Search Results — 2000 specimen records retrieved (1227 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR198015  Abronia latifolia Chris Chan 1991-3-5 04 Sonoma University of California Bodega Marine Lab 34 Comment
  CAS-BOT-BC376300  Abutilon theophrasti Greg de Nevers 1992-7-25 10235 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Mark West Creek 304 Comment
  UC1562992  Acaena novae-zelandiae Melena Schneider 1990-8-16 Sonoma Salt Point State Park, both sides of Highway 1 near 1 mile marker 43.35. Comment
  CAS-BOT-BC332799  Acer macrophyllum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54011 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD117066  Acer macrophyllum C. Wistrom 1996-5-26 39 Sonoma Armstrong Redwoods State Park, Gureneville. 15 Comment
  CAS-BOT-BC336946  Acer negundo var. californicum Peter Rubtzoff 1953-5-16 1363 Sonoma Vacation Beach, near Guerneville. Bank of Russian River 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
  UCD128365  Achillea millefolium Rimy Waraich; Patti Togioka 1993-5-8 236 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  SD37777  Acmispon americanus Edith A. Purer 1932-7-24 4071 Sonoma Canyon west of Santa Rosa Comment
  CAS-BOT-BC391713  Actaea rubra Mrs. E. C. Sutliffe 1928-7-18 s.n. Sonoma Annapolis Comment
  SD88500  Adenocaulon bicolor Darley F. Howe 1972-6-27 Sonoma Trail above Duncan Mills Pond Comment
  SEINET10614483  Adenocaulon bicolor David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20704 A Sonoma 2 mi NW of Forestville on Hwy. 116, Douglas Fir forest with some oaks. Comment
  CAS-BOT-BC139920  Adenostoma fasciculatum A. A. Heller 1902-6-23 5741 Sonoma Petrified Forest Comment
  CAS-BOT-BC361370  Adenostoma fasciculatum Greg de Nevers 1997-3-20 10921 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill 400 Comment
  CDA346  Adenostoma fasciculatum D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .273 Sonoma Cavedale Rd. Comment
  POM140933  Adenostoma fasciculatum var. fasciculatum A. A. Heller 1902-6-23 5741 Sonoma Petrified Forest Comment
  CHSC26308  Adiantum aleuticum P. Kunst 1977-4-12 24 Sonoma Ca. 2 yd n of Coleman Valley Creek and 2.7 mi w of Occidental. 219 Comment
  SBBG216  Adiantum aleuticum H. and M. Dearing 1939-5-15 3383 Sonoma N of Fort Ross Comment
  SJSU2057  Adiantum capillus-veneris A. Bascom 1958-5-16 Sonoma Crane Valley Rd 16 mi SE of Santa Rosa Comment
  CHSC60064  Adiantum jordanii H. A. McLane 1980-3-29 3 Sonoma 4 mi n of Calistoga Road from California State Highway 12, 60 ft e of road. Comment
  CAS-BOT-BC384610  Aegilops triuncialis Greg de Nevers 1989-4-1 9066 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  OBI70628  Aesculus californica Tracey & Viola Call, Viola Call 1961-6-10 2072 Sonoma On Russian river near Forestville 61 Comment
  CAS-BOT-BC15400  Agoseris grandiflora var. grandiflora Peter Rubtzoff 1952-6-3 1172 Sonoma Fitch Mtn. Grove near Healdsburg Comment
  UCD158808  Agoseris heterophylla James A. Neilson Jr. 1974-3-27 2943 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC176398  Agrostis Peter Rubtzoff 1964-6-24 5378 Sonoma Coleman Marsh, along Salmon Creek Comment
  CAS-BOT-BC209999  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  CAS-BOT-BC210003  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh Comment
  RSA785905  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCD166331  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  SEINET10915785  Agrostis P. Rubtzoff 1964-6-24 Rubtzoff 5368 Sonoma Lower Salmon Creek Marsh. Comment
  UC1146626  Agrostis alba Freed W. Hoffman 1942-8-29 2269 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  UC1153791  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma 4.6 mi n Salmon Creek (Duncan's Point, Sonoma Coast State Park); Sonoma Coast State Park, Salmon Creek Comment
  UCD51891  Agrostis densiflora Beecher Crampton 1957-7-22 4397 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. Comment
  CAS-BOT-BC126971  Agrostis exarata Greg de Nevers 1992-6-25 10178 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Rogers Homestead. 304 Comment
  JEPS45807  Agrostis exarata Eleanor Armstrong 1932-6-3 184 Sonoma 2 mi w Bodega 30 Comment
  UCD52506  Agrostis exarata Freed W. Hoffman 1941-5-27 2175 Sonoma Lone Mountain Farm, near Guernerville. Comment
  RSA94460  Agrostis exarata Peter Rubtzoff 1951-8-18 622 Sonoma Uppermost part of the western branch of the upper , Sonoma County Comment
  UCD52392  Agrostis exarata Collector unknown Date Unknown Sonoma near Lewis School. Comment
  CAS-BOT-BC138857  Agrostis microphylla K. Wagnon 1939-5-11 190 Sonoma Vernal Pool in Bennett Valley. Comment
  UCD53026  Agrostis microphylla Beecher Crampton 1959-6-16 5380 Sonoma 1 mile E of Occidental. Comment
  UCD66731  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Above Sulfur Creek Geysers. Comment
  UCD53053  Agrostis microphylla Freed W. Hoffman 1941-6-20 2088 Sonoma Dutch Hill Creek. Comment
  CAS-BOT-BC139119  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC138912  Agrostis pallens Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  CAS-BOT-BC138916  Agrostis pallens John Thomas Howell 1945-7-18 s.n. Sonoma Drier borders of Pitkin Marsh. Comment
  CAS-BOT-BC138920  Agrostis pallens G. DeNevers 1981-6-6 1483 Sonoma Pepperwood Ranch. South slope of Telegraph Hill. Comment
  UCD144566  Agrostis pallens Frederica Bowcutt 1994-6-12 1856 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  UCD55781  Aira caryophyllea Chris Bowen 1974-5-19 136 Sonoma Unit 24 Owners' Map. Sea Ranch. Near Pacific Reach. Near State Highway 1. Comment
  CAS-BOT-BC138389  Aira caryophyllea var. capillaris G. DeNevers 1981-5-5 945 Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden. Comment
  CAS-BOT-BC138392  Aira caryophyllea var. capillaris Alice Eastwood 1921-4-24 10364 Sonoma Santa Rosa. Comment
  CAS-BOT-BC138396  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chileno Valley, southern Sonoma county. Comment
  CAS-BOT-BC445335  Alisma lanceolatum Peter Rubtzoff 1954-7-17 1550 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC445349  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road). Comment
  CAS-BOT-BC445459  Alisma triviale John Thomas Howell 1947-6-26 23310 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC445464  Alisma triviale Peter Rubtzoff 1961-7-22 4667 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445472  Alisma triviale Volney Rattan 1879-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC462392  Allium amplectens Greg de Nevers 1997-5-14 11000 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, Near Mt. House. 457 Comment
  UCD84096  Allium amplectens Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC462389  Allium amplectens Milo S. Baker 1934-4-28 7754 Sonoma Jensen ranch. West of Dry Creek Comment
  CDA31282  Allium dichlamydeum D. G. Kelch, Ed Biffin 2010-5-3 10 .197 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  POM231288  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of mouth of Salmon Creek. Comment
  RSA601311  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  UCD151238  Allium falcifolium James A. Neilson Jr. 1974-3-30 2725 Sonoma Mayacmas Mountains, county line ridge, 1/4 mile north of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  UC189381  Allium peninsulare var. franciscanum J. W. Congdon 1880-6-2 Sonoma Petaluma Comment
  UC909763  Allium peninsulare var. franciscanum Milo S. Baker 1950-5-20 12222 Sonoma sw Kenwood (Wood road n of (opposite) old Chamberlain ranch); Hope Valley Comment
  CAS-BOT-BC478830  Allium vineale Greg de Nevers 1994-6-29 10527 Sonoma On road below Red Corral, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  POM106478  Alnus rubra Marcus E. Jones 1882-7-17 3484 Sonoma Duncan's Mills. Comment
  UCR244612  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 mi south of Freestone 64 Comment
  CAS-BOT-BC137904  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma Vernal pool 6.5 miles northeast of Pengrove, on Lichan Road. 426 Comment
  CAS-BOT-BC540805  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  CAS-BOT-BC540844  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7843 Sonoma Kenwood Marsh Comment
  UCD165118  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  UCD138662  Amaryllis belladonna Mary M. Hektner 1975-8-14 220 Sonoma just E-SE of Leeward Road entrance along State Highway 1, Sea Ranch. Comment
  UCSB2740  Amelanchier alnifolia Keator, Glenn 1959-3-31 Sonoma 0.9 miles north of Camp Meeker on Occidental-Monterio highway. Comment
  SEINET11909600  Amelanchier utahensis W. Knight, Knight, I. 1982-1 4522 Sonoma Tilden Regional Park, botanic garden, Berkely, ca Originally collected at Bodega Bay Comment
  CAS-BOT-BC154124  Ammannia coccinea Peter Rubtzoff 1956-9-16 2922 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  UCR279886  Ammannia robusta Peter Rubtzoff 1972-8-26 6860 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCD127158  Ammi majus K. Esau 1935-7-19 s.n. Sonoma Near Petaluma. Comment
  CAS-BOT-BC222275  Amsinckia Alice Eastwood 1933-5-7 18843 a Sonoma Sonoma Comment
  UC1278041  Amsinckia intermedia Beecher Crampton 1955-4-5 2420 Sonoma 2 mi n Petaluma (along US Hwy 101) Comment
  RSA177955  Amsinckia intermedia R. F. Thorne 1965-4-20 34329 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA178650  Amsinckia spectabilis Roxana S. Ferris 1932-5-27 8257 Sonoma Bodega Bay. Comment
  SEINET3351139 Image available Amsinckia spectabilis Roxana S. Ferris 1932-1 8257 Sonoma Bodega Bay Comment
  SEINET2028844 Image available Anagallis arvensis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15219 Sonoma 2 miles north of Kellogg Comment
  RSA223349  Anagallis arvensis Peter Rubtzoff 1962-8-22 5040 Sonoma Bodega Bay Marsh. Comment
  UC699632  Andropogon glomeratus var. pumilus F. W. Hoffman 1943-6-17 Sonoma Guerneville Comment
  UC558472  Andropogon virginicus var. virginicus J. Bufford 1936-9-8 Sonoma Pitkin Marsh; Pitkin Marsh, Vine Hill District Comment
  UC576313  Andropogon virginicus var. virginicus H. S. Yates 1937-8-22 6865 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  CAS-BOT-BC391877  Anemone grayi Ella Dales Cantelow 1939-4-10 4233 Sonoma 7 mi. e. of Seaview Comment
  CAS-BOT-BC221437  Angelica hendersonii L. R. Abrams 1920-7-3 7583 Sonoma Near Anchor Bay Comment
  JEPS78467  Anisocarpus madioides Edward Lee 1936-6-7 2204 Sonoma McLaren Trail Bohemian Grove Comment
  UCD128899  Anisocarpus madioides J. M. Tucker 1951-6-26 2135 Sonoma near summit of range, road from Glen Ellen to Oakville. Comment
  CAS-BOT-BC173815  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC173823  Anthemis cotula Peter Rubtzoff 1959-9-19 4279 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  POM187931  Anthemis cotula Marcus E. Jones 1931-7-5 29120 Sonoma The Geysers. Comment
  CAS-BOT-BC102235  Anthemis cotula Clare R. Wheeler 1978-3-30 140 Sonoma pine Mt. Road. 4 mi. NE of Cloverdale. 548 Comment
  UC978118  Anthoxanthum aristatum L. Beane and Lois E. James 1949-5-11 1942 Sonoma about halfway between Healdsburg and Windsor Comment
  SEINET7296733 Image available Anthoxanthum aristatum Leo Koch 1940-1 841 Sonoma along Highway 101, 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
  JEPS103955  Antirrhinum vexillocalyculatum subsp. breweri Jack and Betty Guggolz 1991-6-20 1193 Sonoma ridge running W from an old homesite, about 1 1/4 mi N of Camp Meeker 161 Comment
  UC479120  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones, A. M. 1931-7-5 28810 Sonoma The Geysers Comment
  UC479127  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones, A. M. 1931-7-5 28820 Sonoma Cloverdale Comment
  CDA41218  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mike Mason 1977-7-11 PDR# 371779 Sonoma River Road near Guerneville. 0 Comment
  CAS-BOT-BC248904  Antirrhinum virga John Thomas Howell 1932-10-9 10813 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  POM129966  Apocynum X floribundum M. Alice King 1897-06 s.n. Sonoma Near Healdsburg Comment
  UC726166  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  CAS-BOT-BC394997  Aquilegia formosa A. A. Heller 1940-5-10 15601 Sonoma near Fort Ross Comment
  RSA0125766  Arabis glabra A. A. Heller, H. E. Brown 1902-5-29 5929 Sonoma Mt. Hood Comment
  CAS-BOT-BC56912  Arctostaphylos John Thomas Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point Comment
  RSA629208  Arctostaphylos Jon E. Keeley 1993-9-11 24792 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC549553  Arctostaphylos J. E. Adams 1934-3-28 719 Sonoma near Santa Rosa; Vine Hill Comment
  CAS-BOT-BC24125  Arctostaphylos bakeri Roger Raiche 1985-9-29 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill. 121 Comment
  CHSC39445  Arctostaphylos bakeri B. A. Stein 1981-3-7 447 Sonoma Harrison Grade Rd, east of Occidental. 243 Comment
  CHSC67658  Arctostaphylos bakeri James D. Jokerst; Virginia Getz 1988-3-16 3049 Sonoma Healdsburg near water reservoir across highway from Simi Winery. Comment
  SEINET11998395  Arctostaphylos bakeri Unknown 1986-1 60001 Sonoma NE of Healdsburg, Reservoir Hill 122 Comment
  SEINET12524557 Image available Arctostaphylos bakeri C. M. Belshaw 1936-1 1557 Sonoma 2 miles north-northeast of Occidental, Sebastopol quadrangle Sec._ T. 7N.,R. low. 189 Comment
  RSA622703  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24699 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622709  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24707 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  SBBG33672  Arctostaphylos bakeri subsp. bakeri C. Bornstein, E. Collins 2006-8-23 Sonoma Harrison Grade Rd, ca. 1 mi S of jct with Green Valley Rd 158 Comment
  UCD50473  Arctostaphylos bakeri subsp. bakeri Roman Gankin 1966-3-3 695 Sonoma East of Occidental Ridge on Graton Road; ca. 2.5 miles east of Occidental. Comment
  SEINET11998352  Arctostaphylos bakeri subsp. sublaevis Unknown 1987-1 70795 Sonoma N of Cazadero, The Cedars, near confluence of N & E branches of headwaters of Red Slide Creek 421 Comment
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  RSA622723  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24768 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCSB4717  Arctostaphylos canescens Keator, Glenn 1959-4-2 Sonoma Mt. St. Helena, 9.1 miles north of Calistoga 762 Comment
  CAS-BOT-BC23972  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1964-11-15 789 Sonoma Hood's Peak, 1/4 mile down road below Johnson Lake Comment
  UC1281371  Arctostaphylos canescens subsp. canescens H. E. McMinn 1936-4-4 4395 Sonoma ridge near R. L. Stevenson Monument; Mt. St. Helena Comment
  UCD55064  Arctostaphylos canescens subsp. canescens Ellen Dean; California Department of Forestry Personnel 2006-4-26 3002 Sonoma Top of Mt. St. Helena. 1319 Comment
  SEINET12524525 Image available Arctostaphylos canescens subsp. canescens L. S. Rose 1940-1 40006 Sonoma Rincon ridge, 2 mi E of Santa Rosa 61 Comment
  CAS-BOT-BC23886  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12896 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23893  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight 1963-11-21 423 Sonoma Rincon Ridge - Sones' Backyard. Comment
  CAS-BOT-BC23642  Arctostaphylos columbiana Mary P. Wells 1986-1-9 705 A Sonoma Edge of forest by Pilot's Beach, The Sea Ranch Comment
  CAS-BOT-BC24978  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4078 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24987  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5769 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC25015  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality. Comment
  CAS-BOT-BC25020  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  UC1120153  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 831 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1281202  Arctostaphylos densiflora H. E. McMinn 1936-4-5 4412 Sonoma just w Vine Hill School (16 mi w of Santa Rosa) Comment
  UCD50804  Arctostaphylos densiflora L. Whitney 1932-4-1 Sonoma Santa Rosa. Vine Hill. Comment
  SEINET11984897  Arctostaphylos densiflora R. Gankin, Hildreth, W. R. 1967-1 1070 Sonoma along Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  CAS-BOT-BC46150  Arctostaphylos glandulosa subsp. glandulosa James McMurphy 1909-5-29 s.n Sonoma Grade, ridge south of the Geysers Comment
  SBBG33602  Arctostaphylos glandulosa subsp. glandulosa C. Bornstein, E. Collins 2006-8-23 Sonoma near Occidental, Willow Crk Rd, ca. 1 mi NW of jct with Coleman Valley Rd 396 Comment
  UC424816  Arctostaphylos glandulosa subsp. glandulosa unknown 1930-3-1 3881 Sonoma along hwy. region by Frei Bros. Ranch Vine Hill Comment
Read comments
Jun 14 2011
  UC535029  Arctostaphylos glandulosa subsp. glandulosa H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  RSA631187  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24725 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631196  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24732 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  JEPS83505  Arctostaphylos hispidula Jack and Betty Guggolz 1986-3-8 853 Sonoma ca 15 mi nw Healdsburg (9.1-9.3 mi from jnt. Stewart's Point Rd. and Rockpile Rd. on Rockpile Rd. ne side) Comment
  UCD50857  Arctostaphylos hispidula Walter Knight; Irja Knight and Stephen W. Edwards 1985-1-27 5174 Sonoma 7.7 miles from west end of Sonoma Lake bridge on Rockpile Road. Comment
  CAS-BOT-BC39112  Arctostaphylos hispidula Roger Raiche 1984-1-14 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile road). 518 Comment
  RSA339410  Arctostaphylos hispidula Walter Knight, Irja Knight, Stephen W. Edwards 1985-1-27 5172 Sonoma south of Mt. Tom 5.1 miles west on Kelly Road from Rockpile Road junction 609 Comment
  UCSB24400  Arctostaphylos hispidula McMinn, H. 1936-4-5 Sonoma Two miles east of Occidental Comment
  POM294825  Arctostaphylos hookeri subsp. hookeri Boone Hallerg 1947-4-9 199 Sonoma 2 miles NE of Graton, Trenton Road 76 Comment
  CAS-BOT-BC38987  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Near Cazadero, The Cedars, population samples from north end of 10 acre study area. 274 Comment
  OBI5724  Arctostaphylos manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Ave hwy, near Santa Rosa Comment
  RSA633057  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27492 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  UCD36698  Arctostaphylos manzanita Beecher Crampton 1955-6-17 2978 Sonoma Sonoma County, 2.4 miles south of Monte Rio, road to Camp Meeker. 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
  SEINET11984822  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1067 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11987236  Arctostaphylos manzanita J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4157 Sonoma Strybing Arboretum, San Francisco, Golden Gate Park, orig. from Hood's Peak Comment
  SEINET11990971  Arctostaphylos manzanita Unknown 1983-1 30491 C Sonoma near Manning's Flat Campground, Austin Creek State Rec. Area 122 Comment
  SEINET11990980  Arctostaphylos manzanita Unknown 1982-1 20862 Sonoma above Gilliam Creek, East Austin Creek State Rec. Area Comment
  SEINET11991019  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4752 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET11993337  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch 274 Comment
  SEINET11996224  Arctostaphylos manzanita J. T. Vale, Wagnon, K. 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  UCD52252  Arctostaphylos manzanita Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek, a branch of Dutch Bill Creek. Comment
  SEINET11991013  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I.; Knight, T. 1983-1 4767 Sonoma intersection of Occidental Rd & Fascindini Lane near Occidental Comment
  SEINET11995499  Arctostaphylos manzanita subsp. bakeri Unknown 1986-1 60001 Sonoma NE of Healdsburg, Reservoir Hill 122 Comment
  CAS-BOT-BC38910  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11764 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38950  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7944 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38697  Arctostaphylos manzanita subsp. manzanita Aven Nelson; Ruth Ashton Nelson 1933-5-14 549 Sonoma Open woods on the hillsides of Kenwood, Baker's Home 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-BC38746  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1932-3-12 5762 Sonoma Hillsides between Franz Valley and Knights Valley Comment
  UC674749  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-29 75 Sonoma Mt. St. Helena Comment
  UC876428  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1940-2-12 40005 Sonoma 2 mi e Santa Rosa; Rincon Ridge 60 Comment
  CAS-BOT-BC43875  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5771 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC43881  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55008 Sonoma 2 mi. w. of Graton 121 Comment
  JEPS98844  Arctostaphylos stanfordiana unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  RSA636815  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24748 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 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
  UCD53843  Arctostaphylos stanfordiana Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-16 516 Sonoma 0.2 mile on Rockridge Lance from Montecito Road; on Sones Property; Rincon Ridge; Santa Rosa. Comment
  SEINET11989145  Arctostaphylos stanfordiana B. A. Stein 1981-1 453 Sonoma Ida Clayton Rd 457 Comment
  SEINET11990990  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I. 1983-1 4726 Sonoma Tilden Botanic Garden, Berkeley, orig. from Rincon Ridge near Santa Rosa Comment
  UC549526  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 824 Sonoma McNamee's Store Comment
  RSA364239  Arctostaphylos viscida subsp. pulchella Walter Knight, Irja Knight, Steve Edwards, B. K. Knight 1986-4-20 5363 Sonoma Along trail to Sulphur Peak, east of Geyserville. 976 Comment
  POM209633  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
  SEINET9295356  Aristolochia californica John Nelson, Wnek, R. 2000-3-8 20952 Sonoma Abundantly draped from Umbellularia; S side of River Rd. (=Hwy 116) near Levereau Cr on W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  SD99366  Aristolochia californica Christopher Davidson 1977-6-17 5975 Sonoma Sate Hwy #12, ca. 3 miles west of Guerneville, along Russian River. 14 Comment
Read comments
Mar 18 2012
  SEINET7067267  Armeria maritima subsp. californica A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  UCD98494  Armeria maritima subsp. californica R. H. Miller 1949-4-6 12 Sonoma On coast along Highway 1, about 5 miles south of Jenner. Comment
  UCD14373  Armeria maritima subsp. californica L. Coats 1983-5-17 25 Sonoma Sonoma Co., along Highway 1, 4.3 miles north of Salt Point State Park; 21 Comment
  CAS-BOT-BC361354  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC82560  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UC29614  Arnica discoidea J. Burtt Davy 1896-7-1 4130 Sonoma near, (ridge above Smith's Valley) Guerneville; Russian River, Smith's Valley Comment
  UCD56032  Arrhenatherum elatius David L. Morgan 1956-6-10 s.n. Sonoma 2 miles south of Occidental. On Bohemian Highway. Comment
  CAS-BOT-BC90098  Artemisia Mary P. Wells 1988-9-7 965 Sonoma Rincon Valley, Santa Rosa Comment
  POM31359  Artemisia suksdorfii Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CDA2629  Arum italicum L. M. Harwood Jan 1972 Sonoma 5420 Volkerts Road, near junction with Hessel Road, ca. 4 1/2 miles southeast of Sebastopol. 0 Comment
  CAS-BOT-BC400603  Asarum caudatum Peter Rubtzoff 1955-7-31 2016 Sonoma Forestville Marsh. Along the southern margin of the marsh Comment
  UCSB40584  Asarum caudatum Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on highway 1 in a small Redwood canyon Comment
  SEINET10637049  Asclepias fascicularis A. Arthur Heller 1902-6-4 Heller 5643 Sonoma Santa Rosa Comment
  UC42400  Aspidotis californica F. T. Bioletti 1892-5-15 Sonoma Hood's Peak Comment
  JEPS128388  Aspidotis densa Roger Raiche 2000-4-23 045 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC68785  Aspidotis densa Catherine Best 1983-4-16 s.n. Sonoma On serpentine on the Bohemian Hwy. about 3 miles north of Occidental. Comment
  UCD137288  Aspidotis densa Frederica Bowcutt 1994-7-5 1939 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon about 1/4 air mile N of Sonoma Creek and W of Bear Creek road cut along dirt road at intersection wih Goodspeed Trail. 326 Comment
  CAS-BOT-BC376327  Asteraceae Greg de Nevers 1994-4-1 10517 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Cresta horse pasture 400 Comment
  CAS-BOT-BC344836  Asteraceae Peter Rubtzoff 1966-8-3 5779 Sonoma Going up Bennett Mountain from Lawndale to Bennett Mountain Lake. Comment
  CAS-BOT-BC477894  Asteraceae Peter Rubtzoff 1974-9-8 7891 Sonoma Forest Hills. 5.5 mi. east of Guerneville. Comment
  CAS-BOT-BC180464  Astragalus breweri Robert F. Hoover 1939-4-18 4038 Sonoma Occidental Comment
  UC353936  Astragalus breweri Milo S. Baker 1928-4-18 2975 b Sonoma Hiway 1/2 mi n Occidental; n of Occidental Comment
  CAS-BOT-BC66010  Athyrium filix-femina Greg de Nevers 1996-9-1 10870 Sonoma Ida Clayton Road over Mt. St. Helena 914 Comment
  SBBG221  Athyrium filix-femina var. cyclosorum H. and M. Dearing 1939-5-15 3385 Sonoma N of Fort Ross Comment
  UCD114231  Athysanus pusillus Frederica Bowcutt 1996-3-24 2085 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 SE of Red Mountain. Along Vista Trail just SW of Headwaters Trailhead. Comment
  UCD37532  Avena Beecher Crampton 1955-3-15 2326 Sonoma Sonoma County, town of Asti. Comment
  JEPS128387  Avena fatua Roger Raiche 2000-4-23 046 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA785740  Avena fatua Carrie A. Herd 1982-5-4 85 Sonoma Rohnert Park, C.S.U, Sonoma. between dorms and Rancho Cotati High School. Comment
  CAS-BOT-BC68343  Azolla filiculoides Peter Rubtzoff 1955-4-30 1812 Sonoma Forestville Marsh Comment
  SD254556  Azolla filiculoides Ann Howald, Christina Freeman 2015-1-1 3411 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail (Kenwood 7.5'Q) 362 Comment
  CAS-BOT-BC154996  Baccharis douglasii Peter Rubtzoff 1955-9-10 2130 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC98648  Baccharis douglasii G. DeNevers 1981-7-11 1746 A Sonoma Pepperwood Ranch - at the big spring at the Skovie Comment
  RSA784562  Baccharis douglasii Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  UC727746  Baccharis glutinosa Milo S. Baker 1946-7-28 11539 Sonoma Sear's Point Highway Comment
  UCR30559  Baccharis glutinosa John C. Roos 1948-8-28 3959 Sonoma North Coast Ranges, near Healdsburg 31 Comment
  UCD148379  Baccharis glutinosa Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  UC581763  Baccharis salicifolia subsp. salicifolia Joseph P. Tracy 1932-5-8 9900 Sonoma Geyserville North Coast Ranges, Russian River 152 Comment
  CAS-BOT-BC16697  Barbarea orthoceras Catherine Best 1983-4-16 s.n. Sonoma On the edge of the road parallel to the Bohemian Highway about 1 mile north of Occidental. Comment
  UCR255700  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  CAS-BOT-BC145829  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian River. Comment
  CAS-BOT-BC145833  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC145844  Beckmannia syzigachne Peter Rubtzoff 1958-5-10 3645 Sonoma Laguna de Santa Rosa east of Cunningham near Llano Road. Comment
  UC535120  Beckmannia syzigachne Mrs. H. P. Bracelin 1930-7-27 20 Sonoma 1 mi n Fort Ross Comment
  UC573778  Beckmannia syzigachne H. S. Yates 1936-5-16 5620 Sonoma near Grass Valley School; Sebastopol Quadrangle Comment
  SEINET5223259  Bellis perennis Unknown 1994-4-3 79 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  CAS-BOT-BC290558  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC290723  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  UCR248943  Bidens frondosa Peter Rubtzoff 1960-6-25 4509 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC290651  Bidens laevis Peter Rubtzoff 1963-10-30 5300 Sonoma Bodega Head Marsh. Comment
  RSA44227  Blennosperma bakeri J. T. Howell 1949-4-6 25303 Sonoma North Coast Range southwest of Sonoma. Comment
  SEINET3074489  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  UC1211922  Blennosperma nanum var. nanum John H. Weiler 1961-2-17 615 Sonoma 3.4 mi n of, along State Highway 12 Agua Caliente Comment
  CAS-BOT-BC105959  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma Between Warfield and Kenwood, along the highway. Comment
  CAS-BOT-BC154968  Boisduvalia Peter Rubtzoff 1970-8-19 6328 Sonoma Austin Creek beach, 3.5 miles S of Cazadero Comment
  CAS-BOT-BC154871  Boisduvalia densiflora Peter Rubtzoff 1961-6-23 4644 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154873  Boisduvalia densiflora Peter Rubtzoff 1966-8-29 5814 Sonoma Forest Hills, 5.5 miles E of Guerneville along Russian River Comment
  RSA790868  Boisduvalia densiflora Peter Rubtzoff 1957-8-17 3519 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC173611  Boisduvalia glabella Peter Rubtzoff 1956-9-14 2875 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC28177  Bolboschoenus fluviatilis Peter Rubtzoff 1961-9-20 4758 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road crossing. Comment
  CAS-BOT-BC75494  Bolboschoenus maritimus subsp. paludosus Walter Knight; Irja Knight 1984-8-26 5426 Sonoma Willow Creek Road. 60 Comment
  UC903746  Bolboschoenus robustus Milo S. Baker 1946-7-28 11541 Sonoma On Sear's Point Highway. Comment
  UCR255646  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC418500  Boykinia occidentalis Lizzie Way 1886-6-1 s.n. Sonoma Mark West Creek Comment
  CDA19901  Boykinia occidentalis R. Gross 2002-6-11 s.n. Sonoma Northern California; Trout farm on NW side of Mt St Helena. 0 Comment
  CAS-BOT-BC145445  Brachypodium distachyon G. DeNevers 1981-5-14 1151 Sonoma Pepperwood Ranch. Small canyon north of Pippindale pond, draw. Comment
  RSA93383  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC145655  Brachypodium phoenicoides Peter G. Conners 1991-6-18 s.n. Sonoma In dunes at Bodgea Bay, between Salmon Creek and the State Park Road to the campground. Comment
  CAS-BOT-BC154992  Brassicaceae Peter Rubtzoff 1969-6-22 6100 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road Comment
  RSA633342  Briza maxima Michael A. Vincent, Ethan H. Freid 1997-11-14 8172 Sonoma Bodega Bay, 0.5 mile northeast of city limits along Rt. 1 Comment
  UC1010994  Briza maxima Virginia Bufford 1936-5-1 192 Sonoma near Monte Rio Comment
  UC565401  Briza maxima G. Thomas Robbins 1937-6-5 223 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  UCD57369  Briza maxima Mary M. Hektner 3 Jun1974 20 Sonoma Sea Ranch. Near State Highway 1. Comment
  CAS-BOT-BC145284  Briza minor Peter Rubtzoff 1959-6-20 4156 Sonoma Willow Creek Marsh. Margin of Willow Creek. Comment
  CAS-BOT-BC145290  Briza minor G. DeNevers 1981-4-20 742 Sonoma Pepperwood Ranch. Flat south of line of trees and east of the pond at the toe of Horse Hill. Pippindale Farm. Comment
  CAS-BOT-BC145301  Briza minor Saichi Kawahara 1968-4-20 307 Sonoma 100 yards south of Cannon Lane, off Lakeville Road. 3 Comment
  RSA22248  Briza minor Leo Koch 1938-4-21 82 Sonoma Hayfield along Redwood Highway about four miles north of Santa Rosa Comment
  SEINET10835832  Briza minor George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3072 Sonoma In soil chinks on vertical seaside rock. 5 m S of Stewart's Point. Comment
  CAS-BOT-BC482892  Brodiaea elegans subsp. elegans Alice Eastwood 1915-6-5 4600 Sonoma Petrified Forest Comment
  CAS-BOT-BC484389  Brodiaea elegans subsp. elegans G. DeNevers 1981-6-27 1682 Sonoma Pepperwood Ranch, walk up the creek from Franz Valley Road through the Devil's Kitchen, west of creek Comment
  CAS-BOT-BC484392  Brodiaea elegans subsp. elegans Peter Rubtzoff; Nancy Harrison 1976-6-18 8643 Sonoma False Lake Meadow area, Annadel State Park Comment
  CAS-BOT-BC484396  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-19 4931 Sonoma Occidental Marsh Comment
  CAS-BOT-BC486532  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-8 4884 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC486536  Brodiaea elegans subsp. elegans Peter Rubtzoff 1968-6-20 5898 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road Comment
  SEINET5500783 Image available Brodiaea laxa Sally Walker 1981-5-25 Sonoma 4 mi W of Occidental. Comment
  JEPS5694  Brodiaea leptandra W. L. Jepson 1923-6-28 10006 Sonoma Sonoma Canyon Vicinity of San Francisco Bay, Kenwood Comment
  SEINET206246  Brodiaea stellaris Rimo Bacigalupi, L. R. Heckard 1961-6-9 7746 Sonoma Along Stoeti Lane about 0.5 mile northwest of its junction with Harrison Grade road and about 0.75 mile northwest of O 229 Comment
  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
  SEINET12049826  Brodiaea stellaris F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -237 Sonoma end of Stoetz Road 200 Comment
  SEINET6165246 Image available Brodiaea stellaris Unknown 1983-5-24 s.n. Sonoma By gate N. of alump. Occidental Comment
  JEPS109575  Brodiaea terrestris subsp. terrestris Dean W. Taylor 1994-5-4 14210 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  JEPS6194  Brodiaea terrestris subsp. terrestris Peter Kamb 1950-6-17 1880 Sonoma 2.9 mi w fork in road to Bodge and Valley Fork (Larkspur Rock, s side of Cheney Gulch); Larkspur Rock 30 Comment
Read comments
Jan 20 2008
  CAS-BOT-BC486461  Brodiaea terrestris subsp. terrestris John H. Thomas 1976-6-16 18329 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 milessouth of Gualala. 30 Comment
  CAS-BOT-BC487727  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1962-6-13 4907 Sonoma Freestone Marsh Comment
  CAS-BOT-BC149491  Bromus arvensis Greg de Nevers 1987-6-1 8188 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  CHSC100547  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD58202  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3564 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC149087  Bromus carinatus var. carinatus Peter H. Raven 1950-4-6 1591 Sonoma Santa Rosa to Rincon Ridge. 106 Comment
  CAS-BOT-BC149088  Bromus carinatus var. carinatus John H. Thomas 1976-6-16 18343 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC149093  Bromus carinatus var. carinatus G. DeNevers 1981-6-20 1594 Sonoma Pepperwood Ranch. At confluence of Mark West Creek with Leslie Creek. Comment
  UCD161375  Bromus carinatus var. marginatus James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC155893  Bromus catharticus var. elatus David L. Morgan 1961-5-14 s.n. Sonoma 1 mile east of Cotati on Cotati Avenue. Comment
  CAS-BOT-BC155659  Bromus diandrus G. DeNevers 1981-4-20 748 Sonoma Pepperwood Ranch. Top of Horse Hill. Pippindale farm. Comment
  JEPS71167  Bromus diandrus Virginia Bufford 1932-9-23 575 Sonoma 4 mi sw of Santa Rosa Comment
  CAS-BOT-BC155202  Bromus hordeaceus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC155206  Bromus hordeaceus David L. Morgan 1961-5-17 s.n. Sonoma East of Cotati on Petaluma Hill Road near Cotati Avenue. Comment
  CAS-BOT-BC155247  Bromus hordeaceus Peter Rubtzoff 1958-5-17 3671 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD58689  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti. Comment
  UCD58807  Bromus hordeaceus Collector unknown 1941-3-1 Sonoma Santa Rosa. Doyle Park. Comment
  UC1131025  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma 3 mi wnw of Graton 60 Comment
  UC766917  Bromus laevipes R. F. Hoover 1941-5-14 5089 Sonoma 2 mi s of Monte Rio (on road to Camp Meeker) Comment
  UCD58929  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma 10 miles west of Calistoga. Hwy. 128. Comment
  RSA0034599  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  CAS-BOT-BC161585  Bromus sterilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53965 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UCD60222  Bromus tectorum Freed W. Hoffman 1942-5-11 2264 Sonoma North Coast Ranges. Headwaters of the Gualala River (The Roughs). Comment
  UCD126494  Brugmansia sanguinea A. Greive 1941-8-3 s.n. Sonoma Stewart's Point on coast. Comment
  SD38261  Cakile edentula var. edentula Edith A. Purer 1932-7-21 4040 Sonoma Bodega Bay Comment
  SBBG29786  Cakile maritima R. S. Ferris 1937-8-18 9370 Sonoma near mouth of Salmon Crk on Bodega Bay Comment
  CAS-BOT-BC185401  Calamagrostis bolanderi Mary P. Wells 1985-10-4 665 Sonoma Road to almost-pygmy forest. The Sea Ranch (now property of Travelers Insurance). Comment
  RSA74317  Calamagrostis bolanderi Anonymous 1947-6-26 s.n. Sonoma Cunningham Marsh ca. 1 mile (airline) southwest of Cunningham Station. Comment
  CAS-BOT-BC368031  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  RSA94095  Calamagrostis bolanderi J. T. Howell 1947-6-5 23235 Sonoma Cunningham Marsh Comment
  RSA144400  Calamagrostis koelerioides Roxana S. Ferris, Laura Lorraine 1961-6-15 13563 Sonoma On Harrison Grade Road, 0.3 mi from Junction with Green Valley Road. Comment
  CAS-BOT-BC185127  Calamagrostis nutkaensis Peter Rubtzoff 1952-5-21 1058 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC185132  Calamagrostis nutkaensis Catherine Best 1984-6-11 973 -C Sonoma On a slope above the ocean at Goat Rock Park. Comment
  OBI22358  Calamagrostis ophitidis Robert F. Hoover 1965-6-29 9475 Sonoma N of summit on Harrison Grade rd near Occidental Comment
  UC1146684  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2185 Sonoma Oregon Canyon Comment
  CAS-BOT-BC438608  Calandrinia ciliata G. DeNevers 1982-3-28 1937 Sonoma Pepperwood Ranch. Across the pasture from the barn at Pepperwood. Comment
  POM273085  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  CAS-BOT-BC273237  Calendula arvensis Peter H. Raven 1963-4-28 18257 Sonoma Just west of El Verano Comment
  CAS-BOT-BC290644  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma Laguna, Chileno Valley. Comment
  NY370182  Callitriche heterophylla var. bolanderi F. T. Bioletti 05 1893 s.n. Sonoma Comment
  RSA0035350  Callitriche verna Peter Rubtzoff 1974-4-6 7348 Sonoma Kenwood Marsh. Comment
  UCD139486  Calochortus amabilis C. Wistrom 1996-5-26 23 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD160859  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3297 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-BC483287  Calochortus amabilis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC483293  Calochortus amabilis Charles H. Newman 1964-5-24 s.n. Sonoma Mayacamas Range, N.E. of Santa Rosa Comment
  RSA257007  Calochortus amabilis Gary D. Wallace, Larry E. DeBuhr 1972-5-24 1087 Sonoma 150 yds from Napa Co. line along Hwy 128. Comment
  JEPS61685  Calochortus luteus W. L. Jepson 1918-6-23 7656 Sonoma Windsor Poor Man's Flat Comment
  UCD139533  Calochortus luteus G. V. Morejohn 1954-5-23 30 Sonoma beside Highway 12, 3 miles north of Sonoma. Comment
  SEINET5093107  Calochortus raichei Unknown 1995-6-25 093 .95 Sonoma N of Cazadero; The Cedars; Red Slide Creek drainage; at the top of Red Slide Falls Comment
  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
  UCR255747  Calochortus uniflorus Greg de Nevers 1996-4-18 10791 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  UCD129819  Calycadenia multiglandulosa Jack Guggolz; Betty Guggolz 1990-6-16 1064 Sonoma north side of intersection of Occidental Road and Facendini Lane on serpentine. Comment
  CAS-BOT-BC270847  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers, Mayacamas Range Comment
  JEPS86753  Calycadenia pauciflora Jack and Betty Guggolz 1990-6-22 1074 Sonoma n side of Ida Clayton Road, 2.15 mi from Hwy 128 438 Comment
  UCD129813  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers. Comment
  CAS-BOT-BC371437  Calycadenia truncata Greg de Nevers 1997-7-29 11072 Sonoma Near Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Just south of Redwood Canyon on neighbor's land 400 Comment
  CAS-BOT-BC272755  Calycadenia truncata subsp. truncata Walter Knight; Irja Knight 1963-9-15 293 Sonoma Los Alamos Rd., Santa Rosa Comment
  RSA534717  Calycanthus occidentalis Peter Rubtzoff 1980-5-26 9446 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. Comment
  UC400137  Calycanthus occidentalis Ynes Mexia 1929-6-2 2397 Sonoma near Santa Rosa Comment
  UC635500  Calycanthus occidentalis H. L. Mason 1934-4-28 8067 Sonoma head of Dohrman Creek Dohrman Creek (Jensen Ranch) Comment
  UC9828  Calycanthus occidentalis F. T. Bioletti Aug 1891 Sonoma Sonoma Comment
  UC353894  Calystegia collina subsp. collina Milo S. Baker 1927-5-7 2146 Sonoma Fitzsimmon's Grade , Fitzsimmon's Grade (Adobe Canyon) Comment
  UC1731250  Calystegia collina subsp. oxyphylla Dean W. Taylor 1997-5-7 15986 Sonoma The Cedars, headwaters Austin Creek, slope at head of drainage southward off hill 1904 North Coast Ranges 563 Comment
  RSA0059883  Calystegia collina subsp. oxyphylla Roxana S. Ferris, Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley. Comment
  SEINET6968877  Calystegia fulcrata subsp. malacophylla A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  RSA394815  Calystegia purpurata J. Russell Bruff 1968-5-1 s.n. Sonoma Bodega Bay. Comment
  UCD160869  Calystegia purpurata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3295 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-BC224741  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  JEPS120458  Calystegia purpurata subsp. saxicola Daniel Slakey 2013-7-10 58 Sonoma Salt Point State Park, specimens collected along a 1 mile stretch of coast surrounding Salt Point. Comment
  UC1123588  Calystegia subacaulis E. Armstrong 1934-3-26 938 Sonoma 4 miles N of Camp Meeker; Sebastopol Quad. Comment
  CAS-BOT-BC344885  Camassia Peter Rubtzoff 1970-5-10 6214 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  NY679525  Camissonia cheiranthifolia subsp. cheiranthifolia E. K. Balls 1953-10-9 18597 Sonoma S end of Doran Park, Bodega Bay, Hwy 1. 3 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
  CHSC27726  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Coleta Lawler 1978-7-18 298 Sonoma Bodega Bay, at Doran Park campground; along road. Comment
  UC1176931  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Joanne Taylor 1941-7-3 23 Sonoma Bodega Head 30 Comment
  UC903745  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma at top Rose Butte; Hood Mt. 243 Comment
  JEPS48129  Campanula angustiflora Milo Baker 1942-5-27 10203 Sonoma along road turning n Spring Mt. Road summit (near boundary of Sonoma and Napa Counties) Comment
  CAS-BOT-BC266423  Campanula californica Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  JEPS81953  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (near e end of Templeman Road); Pitkin Marsh 45 Comment
  UC353824  Campanula californica Milo S. Baker 1928-6-28 3046 b Sonoma Pitkin Marsh Vine Hill District Comment
  JEPS120457  Campanula californica Daniel Slakey 2013-8-11 64 Sonoma Salt Point State Park. Growing along an unmapped road in northern section of the park (north of Kruse Rhododendron Preserve) that is no open to the public. Where this road intersects Highway 1, there is an old Wells Fargo building in ruins. Comment
  SEINET10872993  Campanula californica Howell 1945-8-14 Howell 21402 Sonoma Perry Marsh Comment
  RSA135458  Campanula prenanthoides Volney Rattan 1877 Sonoma Guerneville. Comment
  RSA456184  Campanula prenanthoides Lester Rowntree 1931-7-15 s.n. Sonoma Stewart Pt. Skaggs Springs Road. Comment
  SEINET10462847  Campanula prenanthoides Unknown 1896-7-18 Blasdale s.n. Sonoma CAZADERO Comment
  SEINET10463218  Campanula prenanthoides Rattan 1877-6-14 RATTAN s.n. Sonoma Guerneville Comment
  SEINET10905923  Campanula prenanthoides Michener 1892-7-4 MICHENER s.n. Sonoma Shagg's Springs Comment
  SEINET10972386  Campanula prenanthoides Condit 1908-8-13 CONDIT s.n. Sonoma GUERNEVILLE Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  JEPS119398  Cardamine californica J. Greenhouse with R. Raiche, H. Bartosh, J. Game 2012-2-4 5143 Sonoma The Cedars. Comment
  SD130426  Cardamine californica F. Almeda, G. DeNevers 1981-3-30 4889 Sonoma Pepperwood Ranch Comment
  JEPS53391  Cardamine californica var. integrifolia J. Burtt Davy 1896-3-13 1644 Sonoma Duncan's Mills Comment
  UCD114519  Cardamine hirsuta John Thomas Howell 1946-3-31 21589 Sonoma Sonoma. Comment
  RSA73977  Cardamine oligosperma Milo S. Baker 1952-3-20 12391 Sonoma Western outskirts of Sonoma on 5th St. near Bettencourt Comment
  UC963900  Cardamine oligosperma Milo S. Baker Apr 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  CAS-BOT-BC281769  Carduus pycnocephalus F. H. Utech; Walter & Irja Knight 1986-5-15 86 -160 Sonoma The Geysers, ca 14.0 miles ESE of Preston and US Highway 101 on Geysers Rd 120 Comment
  CAS-BOT-BC281770  Carduus pycnocephalus Gordon H. True 1968-7-5 4668 Sonoma Point Reyes Bird Observatory ca 3 miles NW of Bolinas at Arroyo Hondo. Conium plot between Arroyo Hondo and entrance road 60 Comment
  HSC42204  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  CAS-BOT-BC376270  Carex Greg de Nevers 1993-3-10 10324 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In the Bald Hills 304 Comment
  UCD140992  Carex G. F. Hrusa; R. Gross 1996-6-30 13063 Sonoma permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx. 150 meters apart. 2 m. SW of Calistoga. Single colony on W side of pool. 700 Comment
  UCR280168  Carex Peter Rubtzoff, Nancy Harrison 1978-6-11 9213 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  UCD140988  Carex Mary M. Hektner 1976-8-26 267 -A Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1. 150 yards from the ocean bluffs. Between Masthead Reach and Leeward Road. Comment
  UCR255715  Carex abrupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh 6 Comment
  CAS-BOT-BC344827  Carex abrupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  CAS-BOT-BC18137  Carex athrostachya Peter Rubtzoff 1954-7-4 1530 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC18148  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC312673  Carex athrostachya Peter Rubtzoff 1973-8-27 s.n. Sonoma Upper Green Valley Marsh. Comment
  UCR249039  Carex athrostachya Peter Rubtzoff 1974-6-2 7507 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC329310  Carex barbarae Peter Rubtzoff 1975-7-3 8153 Sonoma Kenwood Marsh. Comment
  UCR249353  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) 21 Comment
  CAS-BOT-BC19373  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  CAS-BOT-BC310301  Carex barbarae Peter Rubtzoff 1969-8-24 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  RSA0023067  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  RSA0023068  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh. Comment
  SEINET7551513 Image available Carex barbarae John Thomas Howell, J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  UCD140160  Carex barbarae Beecher Crampton 1964-5-12 6951 Sonoma 6 miles northwest of Calistoga, State Highway 128. Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  CAS-BOT-BC110184  Carex buxbaumii John Thomas Howell 1945-7-18 21327 Sonoma Pitkin Marsh. Comment
  JEPS116508  Carex californica Peter Warner 2009-6-9 107 Sonoma Salt Point State Park, main trail to pygmy forest from Woodside Campground, approx. 1.3 mi E of Hwy 1, approx. 0.25 mi ESE of water tanks, along trail edge 200 Comment
  UCR248870  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC20486  Carex densa Peter Rubtzoff 1951-7-7 369 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh. Comment
  CAS-BOT-BC20493  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Sonoma County Marshes. Fife Creek Marsh. Comment
  CAS-BOT-BC20495  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Sonoma County Marshes. Freestone Marsh. Comment
  CAS-BOT-BC246547  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC246548  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC246550  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Freestone Marsh Comment
  UCD151306  Carex densa James A. Neilson Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC20242  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-BC20507  Carex densa Peter Rubtzoff 1958-4-26 3604 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastopol. Comment
  SEINET7556735 Image available Carex densa Alice Eastwood 1936-5-19 2500 Sonoma North limits of Santa Rosa. Comment
  UCSC000112  Carex dudleyi Coll. Klimansky 1934-4-30 s.n. Sonoma Llano road Comment
  CAS-BOT-BC290571  Carex echinata subsp. phyllomanica Peter Rubtzoff; Bacigalupi; Chuang; Heckard 1971-6-10 6536 Sonoma Pitkin Marsh Comment
  UCR250396  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  RSA0015632  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC28361  Carex gracilior Peter Rubtzoff 1951-6-7 148 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper marsh. Comment
  CAS-BOT-BC28364  Carex gracilior Peter Rubtzoff 1958-5-10 3635 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road) Comment
  CAS-BOT-BC28369  Carex gracilior Peter Rubtzoff 1955-4-30 1808 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC26257  Carex gracilior H. N. Bolander 1864-4-1 3822 Sonoma at Cloverdale Comment
  CAS-BOT-BC28331  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near Mark West Creek. Comment
  CAS-BOT-BC28334  Carex gracilior Henry Nicholas Bolander 1864-4-1 3867 Sonoma Meadow on Russian River. Comment
  CAS-BOT-BC28370  Carex gracilior Peter Rubtzoff 1955-4-23 1779 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC422372  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh. Comment
  SEINET3901419  Carex gynodynama Lewis S. Rose 1964-6-3 64053 Sonoma N end of Bodega Bay.; 0 2 Comment
  UC767098  Carex gynodynama Robert F. Hoover 1941-5-14 5080 Sonoma Three miles south of Monte Rio on road to Camp Meeker. Comment
  RSA0022387  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Sonoma County: Freestone marsh Comment
  CAS-BOT-BC21907  Carex harfordii Peter Rubtzoff 1960-5-16 4350 Sonoma Duncan Mills Marsh. In upper portion of the marsh. Comment
  CAS-BOT-BC249298  Carex harfordii Peter Rubtzoff 1960-5-16 4350 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC249315  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC320572  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC320576  Carex harfordii Peter Rubtzoff 1962-6-1 4865 Sonoma Freestone Marsh. Comment
  SEINET7561245 Image available Carex harfordii Andrew L. Hipp, Glen C. Clifton 1999-5-27 349 Sonoma Marsh opposite entrance to Doran Beach Park, Bodega Harbor Marsh. 15 Comment
  UC1133465  Carex harfordii H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  CHSC114389  Carex hassei Peter Warner; Kara Doolin, Anthony Nelson 2010-6-28 168 Sonoma Lower Pitkin Marsh,--63m, N49 o E ofgate at Hwy. 116, just N of interior fence, in understory of perennialgrasses and herbs. UTM 10S: 511310E, 4256389N, T7N, R9W: Molinos. 39 Comment
  RSA115456  Carex hendersonii Beecher Crampton 1955-6-17 2953 Sonoma 4.5 miles south of Cazadero. Comment
  CAS-BOT-BC311821  Carex lasiocarpa Peter Rubtzoff 1962-4-11 4795 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  OBI22652  Carex lemmonii Robert F. Hoover 1939-5-30 4111 Sonoma Perry's "Twin Pines Ranch" near Sebastopol Comment
  CAS-BOT-BC31432  Carex leptopoda R. F. Hoover 1941-5-14 5079 Sonoma 3 mi S of Monte Rio on road to Camp Meeker. Comment
  UCR249078  Carex leptopoda Peter Rubtzoff 1964-5-20 5323 Sonoma Bodega Bay Marsh 15 Comment
  CAS-BOT-BC119731  Carex nebrascensis John Thomas Howell 1945-8-14 21411 Sonoma Perry Marsh. Comment
  CAS-BOT-BC119579  Carex nudata Helen D. Geis 1902-8-1 564 Sonoma Sulphur Cr. Comment
  RSA0022388  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 mi below Guerneville along Russian River. Comment
  CAS-BOT-BC119315  Carex obnupta Peter Rubtzoff 1951-6-10 208 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  UCD150841  Carex obnupta 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
  CAS-BOT-BC119283  Carex ovalis Peter Rubtzoff 1962-5-25 4845 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC320468  Carex pachystachya Peter Rubtzoff 1964-5-20 5316 Sonoma Brooks Gulch Marsh. Comment
  SEINET7570602 Image available Carex pansa Catherine Best 1985-5-15 1086 Sonoma Bodega Head. Comment
  RSA51977  Carex pellita J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC419695  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh. Comment
  UCR248926  Carex serratodens Peter Rubtzoff 1957-5-11 3341 Sonoma Occidental Marsh Comment
  CAS-BOT-BC117675  Carex serratodens Gregory Clark de Nevers 1982-2-27 1922 Sonoma Pepperwood Ranch, near the barn at Pepperwood. Comment
  SEINET10847110  Carex subbracteata Lewis S. Rose 1939-5-14 Rose 39116 Sonoma Bodega. Wet fields. 30 Comment
  CAS-BOT-BC116782  Carex subbracteata var. subbracteata Peter Rubtzoff 1955-5-14 1854 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC116786  Carex subbracteata var. subbracteata Peter Rubtzoff s.n. Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper 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-BC350933  Carex tumulicola Peter Rubtzoff 1954-7-5 1541 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC115530  Carex tumulicola Alice Eastwood; John Thomas Howell 1936-5-19 2500 B Sonoma Fulton Comment
  UCD140940  Carex tumulicola Gerry North 1993-4 12 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  CDA36813  Carthamus creticus D. B. Joley, W. J. Ferlatte 1976-1 24 Sonoma Petaluma Hill Rd. 0 Comment
  CDA6966  Carthamus lanatus T. C. Fuller 1970-5-4 19487 Sonoma East of Monte Vista Lane, south side of Petaluma-Valley Ford Road, 4.2 miles west of Petaluma. 0 Comment
  SEINET7042572  Castilleja affinis A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  UCR45081  Castilleja applegatei subsp. martini L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  JEPS128272  Castilleja applegatei subsp. martinii Roger Raiche 2000-4-7 019 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS9948  Castilleja attenuata W. L. Jepson 1921-5-6 9188 Sonoma Porter Creek 365 Comment
  UC1012323  Castilleja attenuata F. W. Pennell and H. L. Mason 1940-5-21 25484 Sonoma e of Kellogg (Route 28) 182 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
  UC27168  Castilleja densiflora subsp. densiflora H. N. Bolander 1864-1 3851 Sonoma Mark West Comment
  POM15642  Castilleja densiflora subsp. densiflora A. A. Heller, H. E. Brown 1902-4-16 13150 Sonoma Fields east of Santa Rosa Comment
  SBBG7042  Castilleja exserta subsp. exserta H. and M. Dearing 1939-5-14 3364 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  RSA523434  Castilleja franciscana L. R. Heckard 1964-6-12 1385 Sonoma South side of Russian River, just across bridge on state highway 1. Comment
  OBI60005  Castilleja lacera Joseph Andorfer Ewan 1935-5-13 9250 Sonoma Along low places of RR right-of-way. Wright school on Sebastopal rd Comment
  SEINET10582744  Castilleja latifolia Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2620 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
  JEPS19386  Castilleja uliginosa G. Thomas Robbins 1937-6-5 218 Sonoma about 10 mi w Santa Rosa (marsh on Pitkin Ranch); Vine Hill Region Comment
  JEPS33889  Castilleja wightii Lloy Thurman and Ted Crovello 1964-4-12 Sonoma about 5 mi s Jenner (along the coast (Highway 1)) Comment
  UC1032389  Castilleja wightii H. S. Yates 1934-4-21 3811 Sonoma Bodega Point; Duncan Mills Quad. 7 Comment
  UC190979  Castilleja wightii Katharine Brandegee Jul 1905 Sonoma Bodega Comment
  UCSB5988  Castilleja wightii Keator, Glenn 1958-6-17 Sonoma Near the northern end of Tomales Bay Comment
  CAS-BOT-BC48516  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range, east of Santa Rosa Comment
  CAS-BOT-BC48523  Ceanothus confusus Roger Raiche 1985-4-6 RR 50178 Sonoma W of Healdsburg, Dry Cr area, ridge w side of Dry Cr Valley & n of Dorman Cyn (n as far as Bradford Mt) 243 Comment
  RSA21896  Ceanothus confusus J. T. Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  RSA0005480  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  UC870505  Ceanothus confusus Milo S. Baker 1940-6-20 9775 Sonoma top of ridge N of County Hospital, near type locality Comment
  UCSB21172  Ceanothus confusus McMinn, H. 1944-11-5 Sonoma Rincon Ridge Comment
  CAS-BOT-BC49151  Ceanothus cuneatus John Thomas Howell 1931-3-14 5766 Sonoma River Ridge near Santa Rosa Comment
  CAS-BOT-BC49198  Ceanothus cuneatus Walter Knight; Irja Knight 1963-8-23 190 Sonoma Joost Ranch, Calistoga Rd. Comment
  RSA177990  Ceanothus foliosus Robert F. Thorne 1965-4-20 34343 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  UC1299554  Ceanothus foliosus Freed W. Hoffman 1947-5-30 522 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UC18322  Ceanothus foliosus State Survey 1862-4-18 984 Sonoma near Sonoma Comment
  POM126433  Ceanothus foliosus H. P. Chandler 1907-4-27 7544 Sonoma St. Helena to Santa Rosa via spring Mt. Comment
  CAS-BOT-BC49911  Ceanothus foliosus var. foliosus J. W. Congdon 1880-5-16 s.n. Sonoma Sebastopol Comment
  SBBG4198  Ceanothus foliosus var. foliosus M. Van Rensselaer 1941-4-27 1637 Sonoma Trinity Rd, Mt Hood Range Comment
  CAS-BOT-BC49998  Ceanothus gloriosus Milo S. Baker 1935-4-1 8028 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50016  Ceanothus gloriosus John Thomas Howell 1937-4-11 12901 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  JEPS42421  Ceanothus gloriosus F. W. Hoffman 1928-3-30 Sonoma Lone Mountain Farm Guerneville Comment
  CAS-BOT-BC32737  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  CAS-BOT-BC49947  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6693 Sonoma Arroyos, Vine Hill district, 9 miles west of Santa Rosa Comment
  CAS-BOT-BC49951  Ceanothus gloriosus var. exaltatus Roman Gankin 1966-3-3 694 Sonoma east of Occidental Ridge on Graton Road, ca. 2.5 miles east of Occidental Comment
  UC728639  Ceanothus gloriosus var. exaltatus Milo S. Baker Mar 1928 2736 b Sonoma near Frei Ranch, Forestville. Comment
  UCD112154  Ceanothus gloriosus var. exaltatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  CAS-BOT-BC49954  Ceanothus gloriosus var. exaltatus J. Clausen 1933-3-26 742 Sonoma southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road Comment
  RSA63688  Ceanothus incanus Howard N. Jensen 1942-4-29 27 Sonoma SW corner science bldg on Santa Rosa Junior College Campus Comment
  CAS-BOT-BC50954  Ceanothus integerrimus James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  RSA181444  Ceanothus jepsonii James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  SEINET12210995  Ceanothus jepsonii F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -165 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  SEINET12211105  Ceanothus jepsonii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -240 Sonoma end of Stoetz Road 200 Comment
  UC1193308  Ceanothus jepsonii var. albiflorus R. H. Neuns 1950-5-5 104 Sonoma 2 1/2 mi W of Mercuryville 914 Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  UCD160147  Ceanothus oliganthus var. sorediatus James A. Neilson Jr. 1974-4-24 2717 Sonoma Mayacmas Mountains, Squaw Creek drainage, at site of geothermal well Ottoboni 17. (Exact location of Ottoboni 17 unknown; this record is georeferenced along Ottoboni Ridge Road in The Geysers; elevation estimated by label-maker). 967 Comment
  CAS-BOT-BC51877  Ceanothus parryi Peter Rubtzoff 1953-5-17 1384 Sonoma Forested hills South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC51888  Ceanothus parryi H. E. McMinn 1922-6-7 165 Sonoma Camp Meeker Comment
  SD133984  Ceanothus parryi Greg de Nevers, Frank Alameda 1987-4-11 8138 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  UC73364  Ceanothus parryi Milo S. Baker May, 1899 Sonoma near Occidental; Green Valley Comment
  SEINET12210605  Ceanothus parryi W. Knight, Knight, I. 1981-1 3968 Sonoma 2.3 mi up Cavedale Road from junction of State Route #12 Comment
  CAS-BOT-BC53043  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CAS-BOT-BC83738  Ceanothus sonomensis D. O. Burge 2008-5-25 991 b Sonoma Mayacmas Mountains, western slope of Hooker Canyon 500 Comment
  UC1281389  Ceanothus sonomensis H. E. McMinn 1941-4-27 5324 Sonoma Trinity road, Mt. Hood Range. Comment
  UC1281390  Ceanothus sonomensis H. E. McMinn 1938-9-5 5254 Sonoma Mt. Hood Range, road from Warfield to Oaskville Comment
  UC1071400  Ceanothus thyrsiflorus E. Armstrong 1934-3-26 951 Sonoma Camp Meeker Sebastopol quad 121 Comment
  UCD112735  Ceanothus thyrsiflorus var. griseus Steven E. Smith 1977-5-14 25 Sonoma 3.8 mi. N. of Graton, W. side of Graton-Occidental Road. 5 Comment
  SD134035  Centaurea calcitrapa Greg de Nevers 1987-5-11 8176 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  CDA29726  Centaurea iberica Robin Breckenridge, S. Ostrom 2009-7-9 PDR# 1538286 Sonoma In the vicinity of Calistoga, off of Highway 128. 0 Comment
  CAS-BOT-BC277252  Centaurea solstitialis Walter Knight; Irja Knight 1963-9-29 230 Sonoma Near railroad bridge ca. 1 mi of Petaluma Comment
  CAS-BOT-BC277256  Centaurea solstitialis Robert M. King 1980-7-8 8416 Sonoma 5 miles generally Northeast of Santa Rosa Comment
  UCD55332  Centaurium tenuiflorum Ellen Dean 2006-6-28 3176 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC157673  Centromadia Peter Rubtzoff; Nancy Harrison 1977-8-26 9118 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC288814  Centromadia fitchii John Thomas Howell 1930-9-14 5485 Sonoma 6 miles N of Geyserville Comment
  CAS-BOT-BC271544  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  UCD166220  Centromadia pungens subsp. pungens Peter Rubtzoff 1970-5-30 6252 Sonoma 5 miles north of Sears Point. Comment
  UCD161264  Cerastium James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3693 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC384971  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay Comment
  CAS-BOT-BC388435  Cerastium glomeratum Catherine Best 1982-3-20 s.n. Sonoma On a flat area off Green Hill Rd. about 2 mi east of Occidental Comment
  CAS-BOT-BC207632  Cercis occidentalis Peter Fritsch 1999-10-3 1749 Sonoma 0.5 mi W of the gate to the geothermal plant along Geysers Resort Road. Comment
  UC1084435  Cercocarpus betuloides var. betuloides G. Thomas Robbins 1940-3-21 293 Sonoma 5-6 mi e of Windsor (Barnes Creek along Chalk Hill Road); Barnes Creek 38 Comment
  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
  CAS-BOT-BC279785  Chamaemelum fuscatum Thomas Nelson; James Nelson 1975-3-25 1751 Sonoma Asti Comment
  CAS-BOT-BC166654  Chenopodium Peter Rubtzoff 1973-8-20 7244 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC166911  Chenopodium Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7841 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166669  Chenopodium Peter Rubtzoff 1975-9-7 8370 Sonoma South side of American River in the vicinity (west) of Watt Ave. bridge. Comment
  CAS-BOT-BC166670  Chenopodium Peter Rubtzoff 1971-7-23 6616 Sonoma Laguna, Chileno Valley. Comment
  RSA786607  Chenopodium Peter Rubtzoff 1972-7-22 6831 Sonoma Laguna, Chileno Valley. Comment
  UCD164598  Chenopodium Peter Rubtzoff 1975-9-7 8370 Sonoma South side of American River in the vicinity (west) of Watt Ave. bridge. Comment
  CAS-BOT-BC493396  Chlorogalum pomeridianum Alice Eastwood 1915-6-29 4892 Sonoma Bodega Point Comment
  CAS-BOT-BC493400  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  OBI35907  Chloropyron maritimum subsp. palustre David J. Keil 1983-6-29 17193 Sonoma Doran Beach Co Park. Bodega Head Comment
  SEINET7067238  Chorizanthe cuspidata var. villosa A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  SEINET7067231  Chrysanthemum segetum A. G. Vestal 1947-5-12 s.n. Sonoma About 3 miles east of Bodega Bay. Coordinate datum: NAD27. UTM Zone 10, 500177mE, 4243446mN. Comment
  UC1011105  Chrysolepis chrysophylla var. chrysophylla Milo S. Baker 1941-8-4 8591 Sonoma 2 mi n Stewart's Point - Healdsburg Highway (Richardson's Ranch, at a point 5 mi from the coast) 457 Comment
  UCD148323  Cichorium intybus Peter Rubtzoff 1954-7-28 1599 Sonoma Guerneville Marsh. Comment
  RSA135376  Circaea alpina subsp. pacifica Volney Rattan 1877-6-13 s.n. Sonoma Guernville Comment
  CAS-BOT-BC284426  Cirsium brevistylum John Thomas Howell 1930-7-27 5400 Sonoma 1 mile north of Fort Ross Comment
  UCD130616  Cirsium douglasii var. douglasii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC280005  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4504 Sonoma 6 miles north of Bodega Bay Comment
  POM53742  Cirsium douglasii var. douglasii A. A. Heller 1902-7-2 5803 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC285704  Cirsium occidentale var. occidentale Joanne Taylor 1941-7-13 13 Sonoma Bodega Head 30 Comment
  CAS-BOT-BC286378  Cirsium occidentale var. occidentale Alice Eastwood 1915-6-29 4888 Sonoma Bodega Point Comment
  UC1195664  Cirsium occidentale var. venustum A. R. Kruckeberg 1947-6-15 1499 Sonoma ca 1/2 mi above Maacamas Creek bridge (on Hwy 28, w end Knights Valley); Knights Valley Comment
  UCD160912  Cirsium occidentale var. venustum James A. Neilson Jr. 1975-7-8 3417 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  RSA0070873  Cirsium remotifolium Marcus E. Jones 1882-7-18 3385 Sonoma Duncan's Mills. Comment
  UCD159443  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 200 Sonoma Near Sonoma state beach hiking trail. Abundant. 41 Comment
  CAS-BOT-BC162608  Clarkia John H. Thomas 1955-5-22 5182 Sonoma Along St. Helena Road and West Creek, 1.2 miles west of Sonoma-Napa County line, about 6 miles from St. Helena 457 Comment
  CAS-BOT-BC162555  Clarkia affinis Alva Day 1982-6-1 82 -58 Sonoma Pepperwood Ranch Comment
  UC1299416  Clarkia affinis Freed W. Hoffman 1947-5-18 771 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC422846  Clarkia amoena Milo S. Baker 1904-6-20 Sonoma Sonoma Creek Canyon Comment
  UC58865  Clarkia amoena unknown 1894-6-27 1087 Sonoma near Bodega Bay (Coast Road) Comment
  CAS-BOT-BC161049  Clarkia amoena subsp. amoena Eliz. Parsons Hawver June 191 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC161061  Clarkia amoena subsp. amoena D. E. Breedlove 1962-6-6 2887 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  RSA453484  Clarkia amoena subsp. amoena E. A. Purer 1932-7-24 s.n. Sonoma Between Bodega Bay and Santa Rosa Comment
  POM271819  Clarkia amoena subsp. huntiana Lyman Benson 1928-6-25 352 Sonoma Mendocino - Somona county line, Cloverdale - Hopland; Middle North Coast Mtn Range, Russian River. Ridge at county line, Redwood Highway 457 Comment
  CAS-BOT-BC172210  Clarkia concinna A. A. Heller 1940-5-10 15600 Sonoma Near Fort Ross on a roadside bank. Comment
  CAS-BOT-BC172222  Clarkia concinna Mrs. E. C. Sutliffe 1894-5-15 s.n. Sonoma Cazadero Comment
  UCR115038  Clarkia concinna G. Fred Hrusa, H. Townsend 1994-5-2 11873 Sonoma Gilliam Creek, canyo immediately downslope of Bullfrog Pond Campground Comment
  SEINET6165015 Image available Clarkia concinna Unknown 1981-5-18 s.n. Sonoma Pine Mountain turnoff, Ida Clayton Rd. 914 Comment
  UCD55330  Clarkia gracilis subsp. gracilis Ellen Dean 2006-6-28 3173 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  RSA41289  Clarkia gracilis subsp. gracilis Robert F. Hoover 1941-5-14 5083 Sonoma 3 miles south of Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC163134  Clarkia gracilis subsp. sonomensis Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  JEPS25145  Clarkia gracilis subsp. sonomensis G. Thomas Robbins 1959-5-16 4015 Sonoma Spring Mt. Road Mayacamas Mt. (between Calistoga Road and Sonoma-Napa County line) 487 Comment
  CAS-BOT-BC163141  Clarkia gracilis subsp. sonomensis Peter H. Raven; R. Snow 1958-7-23 13686 Sonoma 8.3 miles east of Skaggs Springs on road to Stewarts Point Comment
  RSA32025  Clarkia gracilis subsp. sonomensis A. A. Heller 1941-6-4 16162 Sonoma Several miles east of Santa Rosa on the road to Sonoma Comment
  UC424784  Clarkia purpurea Milo S. Baker 1930-6-6 4163 a Sonoma a few mi w Cooper's <Grove?> Comment
  UC486497  Clarkia purpurea subsp. quadrivulnera H. E. and S. T. Parks 1930-5-10 606 Sonoma Knights Valley Comment
  CAS-BOT-BC163471  Clarkia purpurea subsp. quadrivulnera Walter Knight; Irja Knight 1963-8-25 404 Sonoma Magnolia Ave, near cemetery, Petaluma Comment
  RSA97602  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  CAS-BOT-BC172355  Clarkia purpurea subsp. viminea J. W. Congdon 1880-6-5 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC165670  Clarkia unguiculata A. A. Heller 1902-6-24 5750 Sonoma Near Burke's Sanitarium Comment
  UCD160134  Clarkia unguiculata James A. Neilson Jr. 1973-6-7 2971 Sonoma Mayacmas Mountains. The Geysers. Site IV-G, Big Geysers. (Elevation and exact location estimated by label maker.) 365 Comment
  SEINET12194281  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -156 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  SD56829  Claytonia gypsophiloides Darley F. Howe 1963-5-23 3532 Sonoma 4 mi. no. of Cloverdale on # 128 334 Comment
  CAS-BOT-BC439400  Claytonia gypsophiloides D. E. Breedlove 1976-3-27 39 .452 Sonoma Above Dry Creek, west of Warm Springs Dam Comment
  POM164089  Claytonia parviflora A. A. Heller 1902-3-16 s.n. Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC439762  Claytonia perfoliata subsp. perfoliata Peter Rubtzoff 1960-5-22 4405 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental & Guerneville roads). Comment
  CAS-BOT-BC443873  Claytonia sibirica A. A. Heller; H. E. Brown 1902-3-29 5185 Sonoma Bodega Bay Comment
  RSA620423  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Sonoma County: Bodega Bay Marsh Comment
  CAS-BOT-BC92753  Clematis ligusticifolia A. A. Heller 1902-7-8 5809 Sonoma Mark West creek north of Santa Rosa. Comment
  JEPS61595  Clintonia andrewsiana Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC55256  Clintonia andrewsiana Milo S. Baker 1899-6-28 Sonoma roadside near Duncan's Mills Comment
  UC1012303  Collinsia heterophylla F. W. Pennell and H. L. Mason 1940-5-21 25481 Sonoma Kellogg, Route 28 Kellogg; , Route 28 274 Comment
  OBI49261  Collinsia sparsiflora Michener & Bioletti, Bioletti April 1893 s.n. Sonoma Kenwood Comment
  POM126797  Collinsia sparsiflora H. P. Chandler 1907-4-28 7549 Sonoma Santa Rosa to Calistoga. Comment
  JEPS34523  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-4-7 1893 Sonoma Chalk Hill Rd North Coast Ranges Comment
  POM14841  Collinsia sparsiflora var. arvensis A. A. Heller, H. E. Brown 1902-3-21 5117 Sonoma Hills southeast of Santa Rosa Comment
  SEINET6985357  Collinsia sparsiflora var. arvensis A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  UCD151166  Collinsia sparsiflora var. sparsiflora James A. Neilson Jr. 1974-3-27 3016 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  JEPS15453  Collinsia tinctoria Eleanor Armstrong May 1932 508 Sonoma Camp Meeker; near rr tressel 121 Comment
  SJSU6041  Conium maculatum C. W. Sharsmith 1972-6-24 7803 Sonoma 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County Comment
  UCSB21858  Conium maculatum McCarthy, Sharon 1965-4-16 Sonoma Sonoma Creek; approx. 0.5 mile north of bridge at Leveroni Rd., Sonoma 24 Comment
  UC23137  Convolvulus arvensis Alice King May 1897 Sonoma Healdsburg Comment
  UCD138903  Corallorhiza mertensiana Paula Anderson 1977-5-25 31 Sonoma Salt Point State Park. 15 Comment
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May 16 2017
  RSA0065199  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1997-6-7 11074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Oak Hill Ranch. 100 Comment
  RSA0006006  Cordylanthus pilosus var. brunneus W. L. Jepson 1894-7-19 21109 Sonoma Mt. St. Helena Comment
  CHSC107300  Cordylanthus tenuis subsp. brunneus D. G. Kelch; Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. In open areas on serpentine. Comment
  HSC20636  Cordylanthus tenuis subsp. brunneus L. S. Rose 1962-8-6 62078 Sonoma 2 mi. NE of Occidenatal 183 Comment
  JEPS28819  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1962-11-27 1317 Sonoma 3/4 mi nw Occidental School (along Stoetz Lane) Comment
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Jul 27 2009
  SBBG32336  Cordylanthus tenuis subsp. capillaris L. S. Rose 1962-8-6 62078 Sonoma 2 mi NE of Occidental 182 Comment
  UC1239007  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker (on serpentine island); North Coast Ranges Comment
  UCD123140  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-4-6 62078 Sonoma 2 mi. NE of Occidental. 182 Comment
  SD53397  Corethrogyne filaginifolia var. filaginifolia Darley F. Howe 1962-7-29 3365 Sonoma 12 miles north of Jenner on Highway 1. Comment
  CAS-BOT-BC366870  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC212154  Cornus sericea Dorothy Scherer 1996-3-16 004 Sonoma West of hwy 1, north side of Kolmer Gulch, Fort Ross State Historic Park 7 Comment
  UC398754  Coronopus didymus Katharine Brandegee Sonoma Duncan's Mills Comment
  SACT002816  Corylus californica Herbert Copeland 1933-3-18 Sonoma Collected on roadside between Freestone and Sebastopol. Shrub 1 m tall. Comment
  CAS-BOT-BC180189  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-10-3 314 Sonoma Crane Canyon Comment
  POM188384  Corylus cornuta var. californica Marcus E. Jones 1931-7-5 28850 Sonoma West of Cloverdale. Comment
  SEINET12031412  Corylus cornuta var. californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -259 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC143501  Cotoneaster pannosus Mary P. Wells 1989-2-13 975 Sonoma At curve of Montecito Ave. opposite Manzanita Ave., Rincon Ridge, Santa Rosa Comment
  POM66990  Cotula coronopifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  SFV8415  Cotula coronopifolia B. Stanfield 1966-5-8 30 Sonoma Sandy flats near beach, 0.5 miles south of Bodega Bay. Comment
  CDA25350  Cotyledon orbiculata G. D. Bissel 1965-9-22 Sonoma Oscar Miller ranch, west of Petaluma. 0 Comment
  CAS-BOT-BC427645  Crassula aquatica Greg de Nevers 1993-5-6 10435 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
  RSA0073842  Crassula solieri Reid V. Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  SJSU5983  Crataegus douglasii C. W. Sharsmith 1972-6-24 7796 Sonoma Atascadero Cr Marsh c 1 mi NW of Graton by lower Atascadero Cr, a tributary of Green Valley Cr Comment
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Dec 20 2006
  CDA25820  Crataegus douglasii R. Key 1971-7-2 Sonoma W. W. Winkler property, Green Valley School Road, Sebastopol. 0 Comment
  UCD35659  Crataegus gaylussacia Beecher Crampton 1959-6-16 5396 Sonoma 1 mile northeast of Freestone. Comment
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Dec 20 2006
  JEPS107020  Crataegus suksdorfii J. Greenhouse with Gene Cooley, John Game 2004-6-15 5091 Sonoma Cunningham Marsh, ~0.5 mi S of Lone Pine Rd 35 Comment
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Apr 18 2010
  SBBG30057  Cressa truxillensis M. S. Baker 1946-1 11710 Sonoma less than 1 mi N of jct of Sears Pt Cutoff and Black Pt Hwy Comment
  HSC7976  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  SJSU7519  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  UC1561763  Crupina vulgaris Nancy Harrison 1990-5-19 Sonoma Junction of Spring Creek Trail with paved trail across dam; Annadel State Park Comment
  CDA4460  Crupina vulgaris G. D. Barbe 1991-6-6 4430 Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  OBI51541  Crupina vulgaris Keith Wagnon 1989-7-3 s.n. Sonoma SE of Santa Rosa at Annadel State Park Comment
  UCD59962  Crypsis vaginiflora T. O. Morrison 1940-8-22 s. n. Sonoma Field Near Mt. Eden (Oliver Ranch). Comment
  UC78074  Cryptantha leiocarpa Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  SEINET10569437  Cupressus William H. Brewer 1861-11-9 Brewer s.n. 1861 Sonoma Near the little Geysers Comment
  JEPS108593  Cupressus goveniana subsp. pygmaea R. Raiche 1986-11-9 60585 Sonoma Pygmy Forest Trail, Salt Point State Park 182 Comment
  SEINET11739328  Cupressus macnabiana W. Knight, Knight, I.; Howell, J. T. 1984-1 5077 Sonoma above Hooker Canyon on Cavedale Road 640 Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  CDA11978  Cupressus sargentii G. F. Hrusa, T. D. Wilfred 1995-12-3 12483 Sonoma North Coast Biodiversity Arena; Large grove immediately NW of summit of Chalk Mtn. Foote Ranch, at NW base of Mt. St. Helena. On serpentine, trees appearing at the sharp discontinuity of substrata. 5-10 meters tall. Comment
  UC618967  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle Comment
  CAS-BOT-BC85463  Cupressus sargentii Milo Samuel Baker 1928-1-2 3383 a Sonoma north of Mill Creek 2 or 3 miles on trail from Cooper's Ranch Comment
  NY16795  Cupressus sargentii C. B. Wolf 1934-10-13 6184 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY16824  Cupressus sargentii C. B. Wolf 1934-10-13 6183 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC190345  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  HSC3637  Cynoglossum grande R. F. Good 1962-4-19 29 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  POM369230  Cynoglossum grande Christopher Davidson 1977-6-20 6032 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  POM202745  Cynoglossum grande I. L. Wiggins 1932-3-12 5760 Sonoma Between Franz Valley and Knight s Valley. Comment
  CAS-BOT-BC320564  Cynosurus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC331483  Cynosurus Peter Rubtzoff 1972-5-25 6765 Sonoma Laguna, Chileno Valley. Comment
  OBI35899  Cynosurus echinatus David J. Keil 1983-6-30 17215 Sonoma Stillwater Cove Regional Park Comment
  UC1146682  Cynosurus echinatus Freed W. Hoffman 1941-6-1 2186 Sonoma Oregon Canyon; North Coast Ranges, Oregon Canyon Comment
  CAS-BOT-BC350944  Cyperus Peter Rubtzoff 1970-9-2 6352 Sonoma Russian River bottom at Mirabel Park. Comment
  UCR218735  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16222 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  RSA41918  Cyperus eragrostis H. C. Cantelow 1936-5-3 1282 Sonoma Kenwood Comment
  UCD54068  Cyperus eragrostis M. Wiesendanger 1927-5-5 1755 Sonoma Sonoma. Comment
  CAS-BOT-BC114338  Cyperus esculentus Fembrini 1932-5-27 s.n. Sonoma Cloverdale. Comment
  UC728611  Cyperus niger Milo S. Baker 1945-6-18 11118 Sonoma lower Meadow Pitkin Marsh Comment
  CAS-BOT-BC113906  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-1 323 Sonoma Plants of the Pitkin Marsh, near Forestville. Lower part of the upper marsh. Comment
  RSA94263  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-14 438 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC113902  Cyperus niger var. castaneus Milo S. Baker 1938-6-1 10184 Sonoma Wet spot Bennett Valley Road. Comment
  UC1299377  Cypripedium californicum Freed W. Hoffman 1947-5-30 514 a Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC845295  Cypripedium montanum Eliz. Parsons Hawver 1915-6-3 Sonoma Skaggs Springs Comment
Read comments
Jan 23 2016
  CAS-BOT-BC435194  Cypselea humifusa H. K. Wagnon 1991-10-14 1993 Sonoma Jack London State Park. Comment
  RSA177983  Cytisus scoparius Robert F. Thorne 1965-4-19 34310 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; 4 miles W of Santa Rosa. 46 Comment
  CAS-BOT-BC189804  Dactylis glomerata G. DeNevers 1981-5-23 1252 Sonoma Pepperwood Ranch. Along Franz Valley Road. Comment
  JEPS97535  Dactylis glomerata R. D. Stone 1980-11-29 327 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  SBBG56539  Damasonium californicum S. W. Hutchinson -Apr-1927 18 Sonoma Petaluma 5 Comment
  CAS-BOT-BC192264  Danthonia californica Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6273 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC192272  Danthonia californica G. DeNevers 1981-7-1 1719 A Sonoma On the trail to the Studio. Pepperwood Ranch Comment
  CAS-BOT-BC192276  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma Bordering Pitkin Marsh 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
  UC1131394  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCD36533  Danthonia californica var. americana Beecher Crampton 1954-4-26 1789 Sonoma Sonoma County, 9 miles southeast of Geyserville, along Highway 128, 0.5 mile north of Calistoga Road cutoff, on slope facing Alexander Valley. Comment
  UCD60685  Danthonia californica var. americana P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD60686  Danthonia californica var. americana R. Tofsrud 1941-4-1 27 Sonoma Near Wright School. Comment
  SEINET7096798  Danthonia californica var. californica A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane. Ca. 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  SJSU396  Daucus carota A. W. Jacobs 1938-6-15 Sonoma W bank Russian R near Hilton Comment
  CAS-BOT-BC361341  Daucus pusillus Greg de Nevers 1997-4-24 10971 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD127412  Daucus pusillus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-6 129 Sonoma Unit 35A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC9607  Delphinium bakeri Milo S. Baker 1929-5-3 3429 c Sonoma Coleman Valley Comment
  RSA74424  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley; West of Occidental on Hendrin Ranch Comment
  CAS-BOT-BC9018  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC10342  Delphinium hesperium Joseph Whipple Congdon 1880-6-1 s.n. Sonoma Santa Rosa Comment
  LA207501  Delphinium hesperium Carl Epling; L. Stebbins, H. Lewis 1943-6-17 515 Sonoma Bodega Bay, ca. 2 mi. E of bay at rock outcrops Comment
  UC912568  Delphinium hesperium subsp. hesperium Herbert L. Mason 1934-4-28 8088 Sonoma Jensen's Ranch Comment
  UC1299394  Delphinium hesperium subsp. hesperium Freed W. Hoffman 1950-4-27 3475 Sonoma near Hacienda (Roy Litton Ranch); North Coast Ranges 304 Comment
  UC1334519  Delphinium hesperium subsp. hesperium G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 3 Sonoma 100 yds sw of Route 29 Mark West Mineral Spring Comment
  CAS-BOT-BC10126  Delphinium luteum Mary Hallett 1927-4-1 s.n. Sonoma Graton Comment
  UC1084467  Delphinium luteum G. Thomas Robbins 1937-6-6 232 Sonoma rocky cliffs on hills 2-3 mi e Bodega Bay Comment
  SEINET10536041  Delphinium luteum A. Arthur Heller, H. E. Brown 1902-1 Sonoma Comment
  UC1299392  Delphinium nudicaule Freed W. Hoffman 1947-4-13 660 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  UCR265118  Delphinium nudicaule Ann Howald 2015-4-1 3316 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  JEPS86296  Delphinium patens Jack and Betty Guggolz 1989-5-5 1009 Sonoma Comment
  UC486513  Delphinium patens subsp. patens H. E. and S. T. Parks 1930-5-10 843 Sonoma along small stream Knights Valley Comment
  UCSC000275  Delphinium variegatum Beryl O. Schreiber 1936-3-5 2210 Sonoma 2 miles W.N.W. of Mark West Springs Comment
  UC906473  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9240 Sonoma 2 mi n Kenwood; Los Guilicos Comment
  CAS-BOT-BC7770  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  RSA59844  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9240 Sonoma Los Guilicos, 2 miles N of Kenwood. Comment
  SJSU448  Dendromecon rigida H. H. Anderson 1939-5-15 Sonoma Mt St Helena Comment
  UCD95184  Dendromecon rigida K. Esau; E. Hyde 1938-5-25 s.n. Sonoma Mt. St. Helena. Comment
  CAS-BOT-BC584  Dendromecon rigida subsp. rigida E. Ruckert 1960-4-29 128 Sonoma Triniti Road, east of Hwy 12, about 2 miles from junction. Comment
  UCD61232  Deschampsia cespitosa A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3572 Sonoma 7 miles northwest of Santa Rosa on road to Calistoga. Comment
Read comments
Sep 11 2012
  UCD61230  Deschampsia cespitosa R. Tofsrud 1948-6-1 Sonoma By Mark West School. Comment
  UC767083  Deschampsia cespitosa subsp. beringensis R. F. Hoover 1941-5-14 5072 Sonoma 1 mi. n. Valley Ford Comment
  CAS-BOT-BC192606  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC192617  Deschampsia cespitosa subsp. holciformis Mary P. Wells 1981-8-2 s.n. Sonoma Path to garden from Timber Ridge Road, The Sea Ranch Comment
  CAS-BOT-BC201649  Deschampsia danthonioides W. L. Jepson 1911-4-30 4183 Sonoma Sonoma Valley Comment
  RSA784394  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  UCD165167  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mi. from Llano Road. Comment
  CAS-BOT-BC201961  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi. NW of Freestone 76 Comment
  UCD151203  Deschampsia elongata James A. Neilson Jr. 1974-7-10 2880 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
  UCD63238  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  UCD63564  Deschampsia elongata Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh. Comment
  UCR255732  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO Camp south of Occidental on Bohemian Highway [2136 Bohemian Hwy, Occidental] 122 Comment
  SEINET238950 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers 12 miles (direct line) east of Colverdale. North slope of well above Geyser Creek. 494 Comment
  SEINET10559863  Dichanthelium acuminatum var. acuminatum Crampton 1964-8-18 CRAMPTON 7139 f Sonoma N.E. Sonoma Country, The Geysers. 12 miles (in direct line) east of Colverdale, ca. 1/2 mile east Geyser Resort area, slope of stream well (locally called "The Outlaw") or otherwise thermal no. 10 (Thermal Power co.), steep banks along road to steam well. Below slope of live oaks and digger pines, loose sandy-cinnabar soil, moist to dry, plants erect to wide spreading, Topotype. 494 Comment
  RSA94467  Dichanthelium acuminatum var. fasciculatum Peter Rubtzoff 1951-6-9 174 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  POM98585  Dichanthelium acuminatum var. thermale F. W. Peirson 1926-6-22 6809 Sonoma Boiling Lake, Lassen National Park Comment
  CAS-BOT-BC502215  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  SEINET12053848  Dichelostemma capitatum Unknown 1936-1 13369 Sonoma near Healdsburg Comment
  UC1300926  Dichelostemma congestum Helen K. Sharsmith 1963-5-25 5483 Sonoma on road from Freestone to Occidental; San Francisco Bay Region 121 Comment
  CAS-BOT-BC249262  Digitalis purpurea Peter Rubtzoff 1954-7-4 1534 Sonoma Austin Creek Marsh area. Comment
  RSA788365  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC208963  Digitaria ischaemum John Thomas Howell; Walter Knight; Irja Knight 1986-10-9 6127 Sonoma Llamo Road between Todd Road adn Gravenstein Hwy. Comment
  CAS-BOT-BC209112  Digitaria sanguinalis John H. Thomas 1969-9-21 15475 Sonoma About 1 mile north of Graton along Highway 116. Comment
  CAS-BOT-BC209116  Digitaria sanguinalis John Thomas Howell 1957-9-26 32981 Sonoma Sandy Russian River bottom near Guerneville. Comment
  UCD64005  Digitaria sanguinalis Collector Unknown 1941-11-1 Sonoma Santa Rosa Cr. by old S.P. R.R. Comment
  CAS-BOT-BC151749  Diplacus kelloggii John Thomas Howell 1931-4-19 6432 Sonoma Spring Mountain Road, 9.5 miles from St. Helena Comment
  CAS-BOT-BC153328  Diplacus layneae Alice Eastwood 1915-6-5 s.n. Sonoma Petrified Forest Comment
  RSA177989  Disporum hookeri var. hookeri Robert F. Thorne 1965-4-19 34294 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC323167  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just south of Highway 116. Comment
  CAS-BOT-BC196919  Distichlis spicata David L. Morgan 1956-6-26 s.n. Sonoma Above Shell Beach, 1/4 mi. S of Goat Rock, off State Hiway #1 Comment
  UCD64619  Distichlis spicata var. stolonifera Mary M. Hektner 1976-8-26 263 Sonoma Walk-on-Beach, Sea Ranch, near Sate Highway 1, Unit 28 Owner's Map. Comment
  CHSC97901  Dittrichia graveolens S. Ostrom 2006-9-1 PDR 1328648 Sonoma Windsor; Shiloh Rd. and Business Park Ct. Roadside. 35 Comment
  UCSB45485  Dodecatheon clevelandii Fairbank, K. 1979-3-29 Sonoma 1/2 mile from the intersection of Vine Hill Road and Laguna Road, on Vine Hill Road 45 Comment
  JEPS30786  Dodecatheon hendersonii G. Thomas Robbins 1937-3-25 12 Sonoma e Santa Rosa; Santa Rosa Creek Canyon, e of Santa Rosa Comment
  UCD118839  Dodecatheon hendersonii Frederica Bowcutt; Kate Mawdsley 1996-3-24 2091 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  HSC49613  Dodecatheon hendersonii R. York 1979-4-8 200 Sonoma Along Hwy. 128; 1 mi. N of Calistoga 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
  SD130505  Dodecatheon hendersonii F. Alamda, G. DeNevers 1981-3-30 4895 Sonoma Pepperwood Ranch, streambank in vicinity of the Redwood Canyon Comment
  JEPS26980  Downingia bicornuta var. bicornuta Allison Hastings 1940-5-3 Sonoma e of Santa Rosa Fair Grounds Comment
  CAS-BOT-BC154135  Downingia concolor var. concolor Peter Rubtzoff 1969-5-11 6039 Sonoma Laguna de Santa Rosa, northeast of Graton, at the end of Piner Road. Comment
  SEINET6059388  Downingia cuspidata Unknown 1976-6-5 8581 Sonoma False Lake Meadow area. Annadel State Park. 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
  UC1188754  Downingia pusilla John Weiler 1960-4-9 6035 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  CAS-BOT-BC41418  Draba verna G. DeNevers 1981-4-1 600 Sonoma Pepperwood Ranch. In Leslie Creek, 200 m up from Mark West Creek and Leslie Creek intersection. Comment
  UC58112  Drymocallis glandulosa var. wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross Comment
  RSA42006  Drymocallis glandulosa var. wrangelliana Ella Dales Cantelow 1938-5-7 2403 Sonoma 4.5 miles NM of Bodega 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
  UCD151156  Dudleya cymosa James A. Neilson Jr. 1973-6-7 2947 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment
  SEINET12217534  Dudleya cymosa F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -238 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC428182  Dudleya cymosa subsp. cymosa Butterfield 1938-5-1 s.n. Sonoma Russian River Comment
  CAS-BOT-BC210132  Echinochloa Peter Rubtzoff 1971-8-31 6663 Sonoma Todd Road near Stony Point Road. Comment
  RSA785443  Echinochloa Peter Rubtzoff 1973-9-4 7296 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC176366  Echinochloa crus-galli Peter Rubtzoff 1955-9-10 2139 Sonoma East Guernewood, near Guerneville. Comment
  UCD60890  Echinochloa crus-galli Harold Weinland 1923-10-13 Sonoma Near Bodega. Comment
  UCD160914  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
  CHSC59374  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay, Bay Flat Road, near Clark Marsh. Roadside. Comment
  CAS-BOT-BC208542  Ehrharta calycina Nancy Harrison 1977-6-11 1376 Sonoma Salmon Creek Beach Comment
  RSA800160  Eleocharis Peter Rubtzoff, Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC113143  Eleocharis palustris John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC112199  Eleocharis radicans Peter Rubtzoff 1954-7-29 1611 Sonoma Guerneville Marsh. Comment
  SEINET10509410  Elymus divergens Davy 1897-9-18 DAVY 4037 Sonoma Near Petaluma Comment
  UC730044  Elymus glaucus Leo F. Koch 1940-4-22 836 Sonoma Geysers Sulphur Creek Canyon Comment
  UCR255679  Elymus glaucus Greg de Nevers 1989-1 9065 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  CAS-BOT-BC203728  Elymus glaucus subsp. glaucus Milo S. Baker 1945-5-15 10919 Sonoma 4 mi W of Santa Rosa near Wright's School Comment
  UC1146676  Elymus glaucus subsp. virescens Freed W. Hoffman 1941-6-22 2089 Sonoma Wright's Beach North Coast Ranges (cliffs) Comment
  CAS-BOT-BC235234  Elymus multisetus D. E. Breedlove 1980-6-28 44794 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC204306  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-27 1711 Sonoma Pepperwood Ranch. At new Pepperwood entrance Comment
  JEPS44009  Epilobium canum subsp. canum W. L. Jepson 1914-9-19 6193 Sonoma Agua Caliente 91 Comment
  UC582992  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-7 14307 Sonoma six mi n Bodega (edge of road) Comment
  CAS-BOT-BC262950  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1681 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC262974  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1607 Sonoma Guerneville Marsh. 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
  POM231111  Epilobium ciliatum subsp. watsonii Jens Clausen 1935-5-24 1082 Sonoma 3.7 miles south of Jenner on the Bodega road Comment
  UC582990  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-8 14312 Sonoma rocky bank Ft. Ross Comment
  UCR248906  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5865 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh 6 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
  UCD165166  Epilobium torreyi Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC4493  Epipactis gigantea F. T. Bioletti 1892-7-5 Sonoma Comment
  CAS-BOT-BC210086  Equisetum Peter Rubtzoff 1964-8-20 5462 Sonoma Americano Creek area, Petaluma-Valley Ford roadside near Bloomfield. Comment
  UCD165326  Equisetum Peter Rubtzoff 1973-8-21 7253 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA790975  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  UC371111  Equisetum X ferrissii Miss M. Alice King 1897-1 Sonoma Comment
  CAS-BOT-BC57041  Equisetum arvense Peter Rubtzoff 1952-5-10 1023 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC57044  Equisetum arvense John H. Thomas 1976-6-15 18324 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC57643  Equisetum telmateia Walter Knight; Irja Knight 1963-9-15 383 Sonoma Los Alamos Rd. Comment
  UCD135599  Equisetum telmateia subsp. braunii Frederica Bowcutt 1997-7-18 2180 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain, West Bear Ck. 365 Comment
  RSA216125  Equisetum telmateia var. braunii Peter Rubtzoff 1954-6-6 1468 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC176170  Eragrostis cilianensis Peter Rubtzoff 1955-9-10 2137 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC366888  Eragrostis mexicana subsp. virescens Greg de Nevers 1997-9-29 11096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 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
  POM138289  Eremocarpus setiger A. A. Heller 1902-7-8 8588 Sonoma Sonoma County: Mark West creek N of Santa Rosa Comment
  CAS-BOT-BC131607  Ericameria arborescens F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch, 5 mi. W. of Calistoga Comment
  RSA0062824  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC293630  Erigeron biolettii Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  UC31491  Erigeron biolettii J. Burtt Davy 1896-7-22 4147 Sonoma below Guerneville (on rocks); Russian River Comment
  HSC2227  Erigeron canadensis Roxana S. Ferris 1937-8-18 9369 Sonoma Dunes near mouth of Salmon Creek on Bodega Bay Comment
  UCD131901  Erigeron foliosus var. hartwegii Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  POM40212  Erigeron inornatus var. biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC300305  Erigeron supplex Mary P. Wells 1984-7-6 357 A Sonoma Site of North Fire Station. The Sea Ranch Comment
  UC1124290  Eriodictyon californicum A. Lewis May 1932 123 Sonoma Calabasas Creek; Napa Quad., Calabasas Creek 457 Comment
  SEINET12320783  Eriodictyon californicum W. Knight, Knight, I. 1981-1 3974 Sonoma 3.1 mi up Cavedale Rd from junction of St Rt 12 Comment
  JEPS82261  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  CAS-BOT-BC259257  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma 4 miles north of Bodega Bay Comment
  POM105430  Eriogonum latifolium Marcus E. Jones 1882-7-17 5 M-11-26 Sonoma Duncan's Mills. Comment
  SD22292  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259472  Eriogonum luteolum Margaret J. Williams; Wayne Roderick 1978-7-16 78- 228 -2 Sonoma Near Occidental Comment
  CAS-BOT-BC259476  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  RSA107415  Eriogonum luteolum L. S. Rose 1955-7-11 55112 Sonoma 2 miles NE of Occidental 244 Comment
  UC85726  Eriogonum luteolum var. luteolum Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC270979  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine, Austin Creek Comment
  RSA221  Eriogonum nudum var. auriculatum E. R. Johnson 1928-8-22 1112 Sonoma Cloverdale Comment
  CAS-BOT-BC261680  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC261694  Eriogonum nudum var. nudum R. F. Hoover 1952-6-1 1132 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  SEINET3160014  Eriogonum nudum var. nudum L. S. Rose 1933-9-3 33351 Sonoma 9 mi. W Petrified Forest Comment
  UCD131466  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1994-6-25 1919 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/4 mi. from Gray Pine Trail. 670 Comment
  SEINET11842952  Eriophyllum lanatum F. H. Utech 1986-1 86 -123 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  SEINET11843923  Eriophyllum lanatum W. Knight, Knight, I.; Edwards, S. 1985-1 6318 Sonoma lower S slope of Bradford Mt 366 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
  CAS-BOT-BC301156  Eriophyllum lanatum var. achilleoides L. R. Abrams 1916-7-4 5789 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC301160  Eriophyllum lanatum var. achilleoides G. DeNevers 1981-5-23 1258 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC301283  Eriophyllum lanatum var. arachnoideum G. DeNevers 1981-4-25 825 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC301297  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  SD88414  Eriophyllum lanatum var. grandiflorum Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  CAS-BOT-BC290704  Erodium Peter Rubtzoff 1974-5-18 7436 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD103021  Erodium botrys Frederica Bowcutt; Kate Mawdsley 1996-3-24 2071 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  RSA44517  Erodium brachycarpum L. S. Rose 1949-4-6 49025 Sonoma Western outskirts of Sonoma. 30 Comment
  UCD103250  Erodium moschatum Frederica Bowcutt; Kate Mawdsley 1996-3-24 2072 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  UCD84100  Eryngium aristulatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  UC1784137  Eryngium armatum Ethel Crum 1930-1 736 Sonoma Petaluma Comment
  UCD127467  Eryngium constancei G. F. Hrusa; R. Gross 1996-10-5 13582 -C Sonoma summit of Mayacmas Range at west end of Diamond Mountain Road. Approx. 2 miles southwest of Calistoga. 700 Comment
  CAS-BOT-BC54761  Erysimum franciscanum A. A. Heller; H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay. Comment
  CAS-BOT-BC54764  Erysimum franciscanum Catherine Best 1981-5-2 s.n. Sonoma South side of the mouth of the Russian RIver. Comment
  CAS-BOT-BC383154  Erythranthe guttata David B. Lowry 2005-5-10 OCC Sonoma East of Occidental at corner of Occidental Road and Facendini Lane 260 Comment
  CAS-BOT-BC153628  Erythranthe inodora Peter Rubtzoff 1955-7-10 1950 Sonoma Duncans Mills Marsh Comment
  UC70419  Erythronium californicum Milo S. Baker 1898-4-6 13 Sonoma Gualala River Comment
  CAS-BOT-BC133296  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 609 Comment
  RSA304235  Erythronium helenae James R. Shevock 1972-3-28 1488 Sonoma Road bank Hwy 128, N. of Clonersdale. 91 Comment
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Mar 30 2015
  CAS-BOT-BC403710  Eschscholzia californica John H. Thomas 1976-6-16 18328 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC635613  Eschscholzia californica H. L. Mason 1930-6-1 5654 Sonoma Gualala River; mouth Comment
  CAS-BOT-BC202773  Euonymus occidentalis H. L. Mason 1925-11-26 2497 Sonoma Near Monte Rio Comment
  RSA0059081  Euphorbia Greg de Nevers 1992-8-16 10244 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. On Franz Valley School Road. 152 Comment
  JEPS117122  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128 ~3.03 mi. (fr. N) at turnout on E side of road at metal gate, in adjacent disturbed grassland and across road, about 2 miles NW of Cloverdale. Comment
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Jul 7 2017
  UCD142451  Euphorbia peplus Freed W. Hoffman 1947-2-28 604 Sonoma Wild Hog Ridge; headwaters of Palmer Creek, a branch of Mill Creek. Comment
  JEPS85899  Eurybia radulina Jack and Betty Guggolz 1991-8-10 1231 Sonoma 1 mi nnw, creek bank above the reservoir on Grub Creek Camp Meeker; Grub Creek 97 Comment
  CAS-BOT-BC310741  Euthamia occidentalis Lewis S. Rose 1960-9-14 60094 Sonoma Laguna de Santa Rosa, 2 mi. e. of Graton 15 Comment
  JEPS32366  Euthamia occidentalis W. L. Jepson 1921-9-12 9484 Sonoma south side of Alexander Valley Alexander Valley 45 Comment
  UCR255520  Euthamia occidentalis Peter Rubtzoff 1962-9-16 5094 Sonoma Vacation Beach, 1.5 miles below Guerneville 3 Comment
  CAS-BOT-BC459232  Euthamia occidentalis Walter Knight; Keith Wagnon 1987-8-28 6106 Sonoma Along Willow Brook north of Petaluma Comment
  CAS-BOT-BC164358  Fabaceae Peter Rubtzoff 1971-5-30 6504 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC239716  Fabaceae Peter Rubtzoff 1974-6-2 7521 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC239720  Fabaceae Peter Rubtzoff 1974-6-2 7520 Sonoma Upper Green Valley Marsh Comment
  CDA18016  Festuca arundinacea S. Parnay 1999-5-25 PDR 008538 Sonoma Glen Ellen. 0 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
  CAS-BOT-BC283194  Festuca californica subsp. californica John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells; Gordon H. True 1981-5-14 54013 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on teh west slope of Sonoma Mountain 457 Comment
  UCD65917  Festuca elmeri Beecher Crampton 1955-6-17 2944 Sonoma 4.5 miles S of Cazadero. Comment
  JEPS112968  Festuca idahoensis Dean W. Taylor 1994-5-4 14212 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UCD160755  Festuca idahoensis James A. Neilson Jr. 1975-5-23 3213 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCD66126  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart point - Annapolis road. Comment
  UCD66173  Festuca occidentalis K. Wagnon 1939-5-14 195 Sonoma Near Wagnon Home, 5 mi. west of Sebastopol. Comment
  OBI35900  Festuca perennis David J. Keil 1983-6-30 17214 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC354074  Filago Peter Rubtzoff; H. A. Froebe 1971-5-30 6480 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC353383  Filago Peter Rubtzoff 1974-5-26 7490 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  SEINET181249  Filago gallica Bassett Maguire, R Maguire; Maguire 1934-6-7 15312 Sonoma 2 mi N of Kellogg Comment
  UC917286  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma approx. 5 mi S of Jenner (Route 1) Comment
  UC1085318  Fragaria vesca H. W. Frazier 1949-6-19 Sonoma Mount Veeder Comment
  CAS-BOT-BC457577  Fragaria vesca subsp. californica Mary P. Wells 1985-4-11 470 Sonoma west of ridge, off end of Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC53277  Frangula californica subsp. californica Peter Rubtzoff 1951-8-18 616 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC62972  Frangula californica subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE. end of town of Healdsburg on Reservoir Hill. 121 Comment
  JEPS82540  Fremontodendron californicum Roger Raiche 1984-5-4 40133 Sonoma North of Guerneville, Morrison Creek, Austin Creek State Recreational Area, headwaters of East Austin Creek 182 Comment
  UCD168039  Fritillaria affinis James A. Neilson Jr. 1981-3-13 3992 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC508137  Fritillaria recurva Michener; Bioletti 1893-3-1 s.n. Sonoma Mt. Hood Comment
  RSA44297  Galium andrewsii E. Z. Lovegrove 1946-4-28 s.n. Sonoma Mt St Helena. Comment
  UCD121675  Galium aparine Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 033 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS128191  Galium californicum Roger Raiche 1999-5-23 007 .99 Sonoma The Cedars, Mineral Falls Canyon, Lunar Fork. Lower Russian River, Big Austin Creek watershed. Comment
  UCD161310  Galium divaricatum James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3701 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UCD121815  Galium murale Frederica Bowcutt; Kate Mawdsley 1996-3-24 2069 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  UCD121891  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  UCD121906  Galium porrigens var. tenue UC Davis Botany 102 Students 1993-4-17 49 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sugarloaf Ridge. Near group campground. Comment
  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
  UCR255027  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA11139  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11550 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  CDA31016  Garrya fremontii D. G. Kelch, Troy McGregor 2010-8-22 10 .349 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC320559  Gastridium Peter Rubtzoff 1973-7-24 7196 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC278684  Gastridium phleoides G. DeNevers 1981-5-26 1329 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC278690  Gastridium phleoides Peter Rubtzoff 1959-9-19 4280 Sonoma Vacation Beach, near Guerneville Comment
  UCD159449  Gazania linearis D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 206 Sonoma Bodega Bay. Near Hitchcock movie house. 53 Comment
  UC405441  Gentiana affinis var. ovata Katharine Brandegee June 1905 Sonoma Bodega Bay 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
  SEINET5501090  Gilia capitata Sally Walker 1981-5-25 Sonoma 4 miles W of Occidental Sonoma Co. Comment
  HSC100880  Gilia capitata subsp. pacifica Peter Warner, Sara Gordon 2011-6-16 219 Sonoma Jenner Headlands property, ~3 mi. NW of Jenner, lower Russian Gulch, near large rock outcrop, downslope from Muniz Ranch Rd., ~400 m N20 deg. E from Hwy. 1, Russian Gulch Bridge. 26 Comment
  CAS-BOT-BC225467  Gilia millefoliata Alice Eastwood 1915-6-29 4825 Sonoma Bodega Point Comment
  UC133787  Gilia millefoliata Alice Eastwood Sonoma Bodega Point Comment
  RSA67105  Gilia tricolor Verne Grant, Alva Grant 1950-4-24 8873 Sonoma Between Santa Rosa and Calistoga Comment
  CAS-BOT-BC227653  Glyceria Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC227665  Glyceria Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  SEINET10849959  Glyceria P. Rubtzoff, Arnaud, P. 1966-5-7 Rubtzoff 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  SEINET11690158  Glyceria X occidentalis W. Knight, Knight, I.; Howell, J. T. 1987-1 6236 Sonoma Todd Road Preserve 24 Comment
  RSA786494  Glyceria declinata Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  CAS-BOT-BC282726  Glyceria elata Peter Rubtzoff 1951-6-17 280 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  SEINET10926269  Glyceria fluitans A. Arthur Heller 1902-5-24 Heller 5606 Sonoma Near Sonoma. Comment
  CAS-BOT-BC282818  Glyceria leptostachya John Thomas Howell 1947-6-5 23230 Sonoma Cunningham Marsh Comment
  RSA786492  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh. Comment
  RSA94014  Glyceria striata Peter Rubtzoff 1951-6-9 160 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166688  Gnaphalium Peter Rubtzoff 1965-10-17 s.n. Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC173574  Gnaphalium Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC302696  Gnaphalium palustre Peter Rubtzoff 1956-9-21 2935 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC302689  Gnaphalium palustre Peter Rubtzoff 1973-10-10 7339 Sonoma 2 miles west of Bloomfield along a tributary of Americano Creek. Comment
  CAS-BOT-BC302692  Gnaphalium palustre Peter Rubtzoff 1969-11-2 6208 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164671  Gnaphalium purpureum Peter Rubtzoff 1952-6-10 1221 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  CAS-BOT-BC261651  Gratiola Peter Rubtzoff 1972-4-23 6730 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC251303  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC305183  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305197  Grindelia hirsutula John Thomas Howell 1929-6-30 4318 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  SBBG45076  Grindelia hirsutula H. E. and S. T. Parks -Nov-1929 411 Sonoma Tubbs Island, sea level Comment
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Feb 9 2015
  CDA20573  Grindelia stricta R. Breckenridge, Vernon 2005-8-2 PDR 1351652 Sonoma North Coast; Hwy 1 near Ft Ross. 0 Comment
  RSA0065160  Guillenia lasiophylla Greg de Nevers 1997-4-24 10959 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCD85231  Hainardia cylindrica John Thomas Howell 1930-6-8 5219 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  CAS-BOT-BC302253  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Sprs. Comment
  CDA34789  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  CAS-BOT-BC306325  Hedypnois cretica G. DeNevers 1981-5-26 1330 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC309579  Helenium puberulum G. DeNevers 1981-5-30 1386 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  CAS-BOT-BC305583  Helianthus bolanderi Walter Knight; Irja Knight 1968-1-1 2271 Sonoma Geysers Resort Comment
  JEPS67991  Heliotropium curassavicum Milo S. Baker 1923-8-26 440 Sonoma Russian R. bed near Geyserville; Russian R. Comment
  RSA264767  Heliotropium curassavicum var. oculatum Peter Rubtzoff 1971-8-9 6635 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC305993  Hemizonia David D. Keck; J. Clausen 1935-6-15 3371 Sonoma 1 mile north of mouth of Salmon Creek Comment
  UCD166135  Hemizonia Peter Rubtzoff 1969-5-11 6031 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC257145  Hemizonia Peter Rubtzoff 1963-7-14 5206 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC257985  Hemizonia Peter Rubtzoff 1962-10-23 5120 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC258386  Hemizonia Peter Rubtzoff 1972-6-29 6796 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC268069  Hemizonia Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh. Comment
  POM362216  Hemizonia Christopher Davidson 1977-6-20 6009 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA0056566  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. Comment
  RSA800150  Hemizonia Peter Rubtzoff 1970-8-5 6302 Sonoma 5 mi north of Sears Point. Comment
  RSA800288  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC371471  Hemizonia congesta Greg de Nevers 1993-8-7 10483 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near barn 400 Comment
  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
  RSA94096  Hemizonia congesta J. T. Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  UC990631  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-7-10 502 Sonoma hills near Cloverdale Comment
  SD62035  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-14 Sonoma East of Santa Rosa. 120 Comment
  CAS-BOT-BC306228  Hemizonia congesta subsp. congesta Peter Rubtzoff 1951-7-21 502 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes Comment
  CDA6570  Hemizonia congesta subsp. congesta T. C. Fuller 1958-5-24 3992 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC990604  Hemizonia congesta subsp. congesta James I. McMurphy 1909-8-9 Sonoma 1 mi s Sonoma Comment
  CAS-BOT-BC309672  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma At Sebastopol Comment
  UC963913  Hemizonia congesta subsp. lutescens Milo S. Baker 1946-1-1 11708 Sonoma bet. El Verano and Sears Point (Black Point Highway) Comment
  CAS-BOT-BC309676  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -C Sonoma About a mile west of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309731  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-5-28 s.n. Sonoma About 1 mile west of Santa Rosa Comment
  JEPS86759  Hemizonia congesta subsp. luzulifolia Jack and Betty Guggolz 1990-9-9 1089 Sonoma in river bed between Cloverdale and Asti crossing; Russian River bed 79 Comment
  UCR233076  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12 329 Comment
  CAS-BOT-BC309959  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-9-15 301 Sonoma Unspecified Comment
  CAS-BOT-BC309964  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  RSA81662  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1910-6-8 s,n, Sonoma Valley across hills from Petaluma. Comment
  JEPS128297  Hesperolinon micranthum Roger Raiche 2010-6-16 023 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  POM8864  Hesperolinon spergulinum A. A. Heller 1902-6-24 5751 Sonoma Near Burke s Sanitarium Comment
  UC1212379  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4132 Sonoma near Pine Flat-Middletown road crossing (above Big Sulphur Creek); Inner North Coast Ranges, Mayacamas Range 762 Comment
  UC1212381  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 4104 Sonoma ca 1 mi beyond origin of Pine Flat road from Alexander Valley (canyon of Saysal Creek); Inner North Coast Ranges, Mayacamas Range, Saysal Creek 182 Comment
  UC762260  Hesperolinon spergulinum Robert F. Hoover 1941-6-7 5305 Sonoma Occidental Comment
  UC762262  Hesperolinon spergulinum R. F. Hoover 1942-7-6 5913 Sonoma ridge s The Geysers Comment
  UCD19305  Hesperomecon linearis Terry Reedy 1974-5-11 211 Sonoma Bodega Head, sand dunes. 13 Comment
  RSA0075934  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  RSA0075935  Heterotheca oregona Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 mi SW of the Russian River bridge in Hacienda. Comment
  UC1093930  Heterotheca oregona var. oregona Herbert L. Mason Nov 26 1925-Nov 27 1925 2493 Sonoma Monte Rio, along Russian River Russian River Comment
  UCD133084  Heterotheca sessiliflora subsp. bolanderi Mary M. Hektner 1976-9-16 269 Sonoma below south end of yardarm Drive, Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC424431  Heuchera pilosissima Dorothy Scherer 1997-5-20 112 Sonoma SE of Kolmer Gulch and Hwy. One, Fort Ross State Historic Park 36 Comment
  RSA0062989  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near the south end of Bodega Bay. Comment
  UC75913  Hieracium albiflorum Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC319703  Hieracium albiflorum Dorothy Scherer 1997-5-20 131 Sonoma Hilltop south side of Fort Ross Road, 1/8 mi. west of Seaview rd., Fort Ross State Historic Park 39 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
  RSA0016775  Hippuris vulgaris Peter Rubtzoff 1955-8-13 2042 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  JEPS65622  Hoita macrostachya W. L. Jepson 1921-9-12 9483 Sonoma Alexander Valley; s side 45 Comment
  RSA800062  Hoita macrostachya Peter Rubtzoff, Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 mi south of junction with Sonoma Mountain Road (2.7 mi north of Lichau Road junction). Comment
  UCD105868  Hoita macrostachya Frederica Bowcutt 1994-6-24 1903 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek at seasonal creek crossing near trail head. 396 Comment
  POM252710  Hoita orbicularis A. A. Heller 1902-6-24 7548 Sonoma Near Burkes Sanitarium Comment
  UC1084457  Hoita orbicularis G. Thomas Robbins 1937-6-5 219 Sonoma 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC280786  Holcus lanatus G. DeNevers 1981-5-30 1364 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  CAS-BOT-BC280799  Holcus lanatus John H. Thomas 1976-6-16 18337 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC573682  Holcus lanatus H. S. Yates 1937-5-30 6538 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UC76910  Holcus lanatus Michener and Bioletti 1892-7-5 Sonoma Skaggs Springs Comment
  UCR32183  Holcus lanatus David J. Keil 1983-6-29 17202 Sonoma c. 10 mi SE of Ft. Ross along Hwy 1 Comment
  UCD148461  Holocarpha Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol. Comment
  JEPS128298  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-16 022 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC315813  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  UC990581  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  CAS-BOT-BC315809  Holozonia filipes Catherine Best 1980-4-16 s.n. Sonoma Westerbeke Ranch west of El Verano on Grove St. Comment
  SD133785  Holozonia filipes Rimo Bacigalupi, P. Rubtzoff 1976-8-6 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road, 1-1.5 miles west of its junction with Franz Valley Road(0.4 mi S of Hwy128 Comment
  SEINET10933146  Hookera terrestris A. Arthur Heller 1940-5-10 Heller 15602 Sonoma Scattered plants on a grassy slope near the Ocean between Fort Rosa and Stewart's Point. Humid Transition Life Zone. Comment
  SEINET258713 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5174 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  CAS-BOT-BC289284  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1957-5-11 3344 Sonoma Occidental Mash Comment
  CAS-BOT-BC289290  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1963-6-5 5154 Sonoma Brooks Gulch Marsh Comment
  UC53612  Hordeum brachyantherum subsp. brachyantherum J. Burtt Davy 1897-9-18 4036 Sonoma Petaluma Comment
  UCD147291  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
  CAS-BOT-BC285190  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  UCD85911  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 miles NW of Graton. 91 Comment
  CAS-BOT-BC285184  Hordeum marinum subsp. gussoneanum Barrett Anderson 1987-4-27 3463 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  CAS-BOT-BC282020  Hordeum murinum subsp. leporinum Mary P. Wells 1981-8-2 s.n. Sonoma Between North Recreation Center and Leeward Rd, the Sea Ranch Comment
  RSA128792  Hordeum vulgare P. H. Raven 1950-4-6 1556 Sonoma Cotati to Santa Rosa. 30 Comment
  POM225967  Horkelia californica Philip A. Munz 1936-8-7 14309 Sonoma 6 miles N of Bodega. Comment
  CDA18032  Horkelia californica subsp. dissita R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena spring, on north side of Mtn. 0 Comment
  CAS-BOT-BC536169  Horkelia californica var. elata A. A. Heller 1902-6-27 5783 Sonoma West of Windsor ner Russian River Comment
  CAS-BOT-BC536170  Horkelia californica var. elata Milo S. Baker 1930-5-31 4150 b Sonoma Russian River east of Healdsburg above Buttes Comment
  JEPS86763  Horkelia tenuiloba Jack and Betty Guggolz 1990-7-1 1082 Sonoma about 2 1/4 mi nne Graton; CNPS Vine Hill Preserve 76 Comment
  JEPS97512  Horkelia tenuiloba Dean Schlichting 2000-5-31 Sonoma 1/2 mi E of Annapolis Comment
  UC424851  Horkelia tenuiloba Milo S. Baker 1929-5-7 3457 ba Sonoma near Sebastopol Comment
  UCD106023  Hosackia gracilis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  UCD106029  Hosackia gracilis G. F. Pratt; C. Pierce 2003-5-15 s.n. Sonoma North Coast: Salt Point State Park. 30 Comment
  UCD128230  Hydrocotyle ranunculoides David E. Bayer 1960-9-29 s. n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC540829  Hypericum Peter Rubtzoff 1974-6-9 7583 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC400999  Hypericum anagalloides Peter Rubtzoff 1955-7-9 1920 Sonoma Forestville Marsh Comment
  UCD110333  Hypericum anagalloides Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1971-7-21 158 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD110339  Hypericum anagalloides P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC410819  Hypericum concinnum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC410824  Hypericum concinnum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road near Warm Spring Dam overlook 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-BC316676  Hypochaeris glabra Peter Rubtzoff 1965-8-29 5628 Sonoma Russian River bottom at Forest Hills 5.5 miles east of Guerneville Comment
  SD88575  Iris douglasiana Darley F. Howe 1972-5-4 Sonoma Near Duncan Mills Pond. 152 Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC133677  Iris longipetala Peter Rubtzoff 1958-5-3 3625 Sonoma Atascadero Creek Marsh Comment
  UC1520700  Iris macrosiphon R. Raiche 1985-4-6 50175 Sonoma w of Healdsburg (Dry Creek area, ridge w side of Dry Creek Valley, n of Dorman Canyon to Bradford Mt. area); Dry Creek Valley, Dry Creek Area 243 Comment
  UC1618153  Isoetes howellii J. C. Game 1996-5-25 96 /41 Sonoma ca 15 mi nw of Warm Springs Dam (along Rockpile Rd, in Rockpile Ranch) Comment
  CAS-BOT-BC61919  Isoetes nuttallii John Thomas Howell 1937-6-6 13029 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112389  Isolepis carinata John Thomas Howell; J. W. Stacey 1937-6-6 13027 Sonoma Pitkin Marsh Comment
  SD134068  Isolepis carinata Peter Rubtzoff 1966-4-30 5696 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 mile from Llano Road, low, moist meadow. Comment
  HSC7451  Isolepis cernua A. A. Beetle 1941-7-8 2854 Sonoma 5 mi. S of Stewart's ('Steward') Point 24 Comment
  RSA540069  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  JEPS30835  Juncus breweri Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8591 Sonoma just n Horseshoe Cove ((indicated on Bodega Head U.S.G.S. Sheet as depressed contour)); Bodega Head Comment
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Dec 13 2006
  SEINET6333666  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  UCD148475  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC157984  Juncus effusus subsp. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC164047  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-7-23 6620 Sonoma Sonoma: Spring Hill Road, 2.7 miles southeast of Bodega Hwy (of Two Rock Church) Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  CAS-BOT-BC328114  Juncus lescurii Peter Rubtzoff 1954-7-26 1559 Sonoma Lower Salmon Creek Marsh. Comment
  HSC42040  Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay near the ocean Comment
  UCD161770  Juncus nevadensis James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1133689  Juncus occidentalis H. S. Yates 1936-5-16 5586 Sonoma 2 mi se Forestville; Pitkin Marsh, Sebastopol Quad. 30 Comment
  RSA94073  Juncus orthophyllus J. T. Howell 1945-7-18 21329 Sonoma Pitkin Marsh Comment
  JEPS86769  Juncus patens Jack and Betty Guggolz 1990-6-18 1070 Sonoma about 12 km e Healdsburg (bed of Maacamas Creek on the Ferrari-Carano Ranch); Maacamas Creek 70 Comment
  POM110915  Juncus patens Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UC143742  Juncus patens A. A. Heller 1902-6-27 5778 Sonoma w of Windsor (near Russian River) Comment
  UCD142832  Juncus xiphioides Frederica Bowcutt 1994-6-24 1895 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. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  UC1238930  Keckiella corymbosa Freed W. Hoffman 1947-8-9 1431 Sonoma e of Cazadero (near East Austin Creek); North Coast Ranges Comment
  CAS-BOT-BC273788  Koeleria pyramidata G. DeNevers 1981-5-23 1309 Sonoma Pepperwood Ranch. Above (N) of the Green House Comment
  CAS-BOT-BC273791  Koeleria pyramidata Peter Rubtzoff 1952-6-11 1250 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCD148410  Lactuca Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  RSA796383  Lactuca serriola Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC341711  Lagophylla ramosissima James I. McMurphy 1909-7-10 503 Sonoma Hills near Cloverdale Comment
  RSA783730  Lagophylla ramosissima Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC274315  Lagurus ovatus David D. Keck 1948-6-29 5927 Sonoma Fort Ross, at the chapel 30 Comment
  UCD63265  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  UCD63266  Lagurus ovatus Chris Bowen 1974-5-18 121 Sonoma Sea Ranch, near Whalers' Ranch, near State Highway 1, Unit 7 Owners' Map. Comment
  UC1146594  Lagurus ovatus Freed W. Hoffman 1944-6-8 2028 Sonoma Cruz Ranch, on coast Comment
  CAS-BOT-BC272433  Lamarckia aurea Greg de Nevers; Frank Almeda 1987-4-11 8146 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  SD56365  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma Near Sebastopol Comment
  SEINET9314468  Lamium purpureum Unknown 1993-3-14 10528 Sonoma Sonoma Co., CA Comment
  UCD124932  Lamium purpureum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 61 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
  CAS-BOT-BC474557  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma NW of the city of Santa Rosa, S of River Rd and W of Fulton Rd, just N of Wood Rd, Sampling pool #4. 44 Comment
  UC1368723  Lasthenia burkei Peter Rubtzoff 1969-5-11 6035 Sonoma ne of Graton at end of Pinar Road; Laguna de Santa Rosa Comment
  UC353935  Lasthenia burkei Milo S. Baker 1928-4-16 2973 d Sonoma Hi<gh>way a few mi n of Winsor Comment
  CAS-BOT-BC346329  Lasthenia californica John H. Thomas 1976-6-15 18305 Sonoma Southern end of Sea Ranch, NW part of county, about 7 miles south of Gualala Comment
  CAS-BOT-BC346333  Lasthenia californica G. DeNevers 1982-4-18 1945 Sonoma Pepperwood Ranch. NW corner of Hansel's Property Comment
  UC1301066  Lasthenia californica subsp. macrantha Helen K. Sharsmith 1963-5-25 5493 Sonoma just n Bodega head; San Francisco Bay Region 7 Comment
  CAS-BOT-BC355530  Lasthenia glaberrima Peter Rubtzoff 1966-4-17 5676 Sonoma Laguna de Santa Rosa, east of Gradon (between Occidental and Guerneville rds.) Comment
  JEPS18020  Lasthenia minor George B. Rossbach 1955-3-19 516 Sonoma sw end Bodega Head 30 Comment
  CAS-BOT-BC164390  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
  UCD84095  Lathyrus angulatus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CDA14415  Lathyrus cicera D. Joley 1995-5-13 Sonoma Sugarloaf Ridge State Park. 0 Comment
  CDA4178  Lathyrus hirsutus T. C. Fuller 1969-10-1 18964 Sonoma Two different ranches north & south of Santa Rosa. 0 Comment
  UCR254873  Lathyrus jepsonii Peter Rubtzoff 1958-7-19 3771 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCR255031  Lathyrus sphaericus Greg de Nevers 1996-6-3 10824 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA0018561  Lathyrus vestitus Keith E. Hoffmaster 1946-3-9 1085 Sonoma near Bodega. Comment
  UC480601  Lathyrus vestitus var. vestitus Carl Meyer 1928-3-3 309 Sonoma Santa Rosa Comment
  CAS-BOT-BC323257  Layia chrysanthemoides Alice Eastwood 1921-4-24 10395 Sonoma Santa Rosa Comment
  CAS-BOT-BC323258  Layia chrysanthemoides Alice Eastwood 1921-5-8 10440 Sonoma Petaluma 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
  RSA785925  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  RSA0001358  Layia chrysanthemoides subsp. maritima Jens Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner Comment
  RSA0001366  Layia platyglossa Jens Clausen 1935-5-24 1094 Sonoma 6.5 miles S. of Jenner. Comment
  CAS-BOT-BC274323  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville Comment
  CAS-BOT-BC376241  Leersia oryzoides Greg de Nevers 1992-8-16 10245 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  CAS-BOT-BC210099  Lemna Peter Rubtzoff 1965-10-10 5656 Sonoma Pitkin Marsh, near Forestville. Comment
  UC971684  Lemna gibba Leo Koch 1940-6-12 1011 Sonoma 3 mi n of Santa Rosa (behind Fountaingrove Vineyard along Highway 101) Comment
  CAS-BOT-BC210100  Lemna gibba Peter Rubtzoff 1966-6-27 5771 Sonoma Santa Rosa Creek area, ca. 1 mi. E of the Laguna de Santa Rosa. Comment
  SEINET6096569  Lemna gibba Unknown 1965-11-9 5666 Sonoma Stony Point Marsh. Comment
  RSA0025210  Lemna minor Peter Rubtzoff 1962-8-24 5067 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC527284  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  UCR256958  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CAS-BOT-BC339165  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-8 394 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC177112  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC89740  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  CAS-BOT-BC12658  Lepidium nitidum A. A. Heller; H. E. Brown 1902-3-12 5048 Sonoma Sonoma Creek, eastern base of Mount Hood. Comment
  UCSC000315  Lepidium nitidum I. J. Condit 2013-3-7 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC12756  Lepidium oxycarpum David D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma). 10 Comment
  CAS-BOT-BC226545  Leptosiphon acicularis Alice Eastwood 1921-4-24 10366 Sonoma Santa Rosa Comment
  POM215702  Leptosiphon androsaceus Jens Clausen 1933-3-25 733 Sonoma Santa Rosa Creek. 183 Comment
  JEPS86801  Lessingia arachnoidea Jack and Betty Guggolz 1991-7-20 1212 Sonoma about 2 1/4 mi nw of Camp Meeker 182 Comment
  POM183313  Lessingia arachnoidea John T. Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to camp Meeker Comment
  JEPS82406  Lessingia hololeuca Roger Raiche 1983-9-20 30727 Sonoma between Monte Rio and Camp Meeker Bohemian Highway; Headwaters Duvoul Creek Comment
  JEPS128237  Lessingia ramulosa Roger Raiche 2000-8-18 145 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR246786  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa, Annadel State Park 351 Comment
  CAS-BOT-BC283529  Leymus X vancouverensis Peter Rubtzoff 1955-9-9 2126 Sonoma Bodega Harbor Marsh. Saline part of the Marsh and along dirt road crossing the Marsh Comment
  CAS-BOT-BC273567  Leymus californicus M. S. Baker 1942-5-23 10198 Sonoma 2 1/2 miles west of Bodega town turning right in town Comment
  JEPS116507  Leymus californicus Peter Warner 2009-6-3 104 Sonoma Poff Ranch, along N unfenced boundary, adjacent to or on Willow Creek (Calif. State Parks Property), upper east Pomo Canyon, along logging road 130 Comment
  CAS-BOT-BC272174  Leymus triticoides J. W. Congdon 1880-7-4 s.n. Sonoma Paper Mill Creek Comment
Read comments
Feb 2 2019
  CAS-BOT-BC451691  Lilaea scilloides Peter Rubtzoff 1951-6-16 221 Sonoma Pitkin Marsh, near Forestville. Just north of the Lower Marsh. Comment
  CAS-BOT-BC451701  Lilaea scilloides David Morgan 1961-5-9 s.n. Sonoma Along Redwood Highway 4 1/2 mi. s. of Mendocino Co. line Comment
  CAS-BOT-BC130827  Lilium pardalinum John Thomas Howell 1945-5-30 20897 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC130832  Lilium pardalinum Peter Rubtzoff 1955-7-24 1991 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC123087  Lilium pitkinense Lawrence Beane; Albert Michael Vollmer 1954-7-20 1270 Sonoma in the Pitkin Marsh Comment
  CHSC31354  Limnanthes douglasii N. Kvasnik 1980-4-2 3 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  HSC15782  Limnanthes douglasii L. S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  OBI12591  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  SFV2129  Limnanthes douglasii C. Bracker 1961-4-29 14 Sonoma North Coast Ranges 4 miles south of Occidental. 75 Comment
  UCD116509  Limnanthes douglasii W. L. Jepson 1914-4-11 5804 Sonoma Sonoma Valley. 35 Comment
  UCSB22630  Limnanthes douglasii McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and MacArthur St. 25 Comment
  RSA215939  Limnanthes douglasii subsp. douglasii Peter Rubtzoff 1966-4-30 5684 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. 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
  UC971868  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-7 1117 Sonoma along Sonoma-Glen Ellen-Santa Rosa road; ditch at crossroad Comment
  UCD116447  Limnanthes douglasii var. nivea Robert F. Thorne 1965-4-19 34274 a Sonoma wet field on Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC45948  Limnanthes vinculans Peter Rubtzoff 1958-5-17 3669 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC258682  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  UCD166114  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  UC336386  Linanthus jepsonii unknown 491 Sonoma Knights Valley Comment
  CDA36854  Linanthus parviflorus 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
  UC133827  Linanthus parviflorus Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol 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
  UCD110566  Linum bienne William J. Costa 1968-5-18 36 Sonoma Shell Beach, ca. 1.5 air miles south of Jenner. 15 Comment
  JEPS70989  Linum grandiflorum Peter Rubtzoff 1972-4-23 6727 Sonoma 0.9 mi s Meacham Road junction with Stony Point Road (near Public Refuse Disposal Area road 0.25 mi w of Meacham Road junction) Comment
  UCD81453  Lithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC36012  Lithocarpus densiflorus var. densiflorus Mary P. Wells 1985-7-10 547 Sonoma King's Ridge Road Comment
  CAS-BOT-BC435671  Lithophragma heterophyllum G. DeNevers 1981-3-25 560 Sonoma In a big road cut on Franz Valley Road below Walter Wards house. Comment
  CAS-BOT-BC437152  Lithophragma heterophyllum Elmer I. Applegate 1934-3-25 8844 Sonoma Sausal Creek, Pine Flat road, foothills of the Cayamaca Mountains Comment
  CAS-BOT-BC283533  Lolium Roxana S. Ferris; Laura Lorraine 1961-6-14 13547 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD66013  Lolium multiflorum Gerry North 1993-4 17 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  UC1011012  Lolium perenne Virginia Bufford 1936-5-19 266 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  CAS-BOT-BC269190  Lolium temulentum 1880-7-28 s.n. Sonoma Petaluma Comment
  POM266014  Lomatium caruifolium Lincoln Constance, Reed Rollins 1942-5-10 2862 Sonoma Sonoma County: 4 miles N of Geyserville. 61 Comment
  RSA177921  Lomatium dasycarpum subsp. dasycarpum R. F. Thorne 1965-4-20 34372 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UC1123015  Lomatium dasycarpum subsp. dasycarpum H. S. Yates 1934-4-21 3830 Sonoma 2 mi. n. County Farm; Santa Rosa Quad. Comment
  UCD167357  Lomatium marginatum James Neilson 1982-6-8 4079 Sonoma Mayacmas Mountains. East of Castle Rock Springs Camp. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC21208  Lomatium utriculatum F. T. Bioletti 1893-6-10 Sonoma Hood's Peak Comment
  UCR265238  Lomatium utriculatum Ann Howald 2015-4-28 3379 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  CAS-BOT-BC240653  Lonicera hispidula G. DeNevers 1981-6-27 1674 Sonoma Pepperwood Ranch. On a walk up through the Devil's Kitchen. Kellogg Ranch. Starting from the bottom of the hill in Franz Valley, along Franz Valley Road Comment
  UC28524  Lonicera hispidula var. vacillans J. Burtt Davy Aug. 1896 4140 Sonoma Russian River Comment
  POM46733  Lonicera involucrata A. A. Heller, H. E. Brown 1902-3-10 5015 Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC243998  Lonicera involucrata var. ledebourii Marcus E. Jones 1882-7-17 2739 Sonoma Duncan's Mills Comment
  CAS-BOT-BC244006  Lonicera involucrata var. ledebourii Peter Rubtzoff 1951-5-28 83 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC244002  Lonicera involucrata var. ledebourii A. A. Heller 1902-6-11 5690 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC540833  Lonicera involucrata var. ledebourii Peter Rubtzoff 1958-5-17 3681 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Rd.) Comment
  CAS-BOT-BC200970  Lotus Peter Rubtzoff 1983-8-28 9682 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  POM18310  Lotus benthamii A. A. Heller 1903-4-25 7458 Sonoma Fort Ross Comment
  CDA31015  Lotus crassifolius D. G. Kelch, Troy McGregor 2010-8-22 10 .346 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  RSA710821  Lotus formosissimus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast: Salt Point State Park. 30 Comment
  UC80972  Lotus formosissimus Michener and Bioletti Jun 1893 Sonoma Kenwood Comment
  SEINET7067239  Lotus heermannii A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  UC496417  Lotus humistratus Merle Randall 1930-6-11 Sonoma Cazadero Comment
  POM27250  Lotus humistratus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  SEINET3694589 Image available Lotus humistratus Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15125 Sonoma 2 miles N of Kellogg Comment
  RSA177971  Lotus micranthus Robert F. Thorne 1965-4-20 34349 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UC15653  Lotus micranthus Harley P. Chandler 1900-5-25 651 Sonoma Bodega Comment
  JEPS55893  Lotus scoparius W. L. Jepson 1923-6-28 10007 Sonoma Sonoma Canyon Kenwood 243 Comment
  UC80761  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  CAS-BOT-BC290614  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC251189  Ludwigia palustris Peter Rubtzoff 1956-9-15 2910 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC258924  Ludwigia palustris Peter Rubtzoff 1958-7-19 3758 Sonoma Laguna de Santa Rosa, east of Sebastopol. 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
  UC727738  Lupinus affinis Milo S. Baker 1946-4-2 11304 Sonoma southern outskirts of El Verano ( along bank of winter stream at hwy. bridge) Comment
  UC905105  Lupinus albifrons Milo S. Baker 1947-4-16 11686 Sonoma cliffs at junction of Mark West Road and one from Rincon Summit; cliffs at jct of Mark West Rd and one fr Rincon Summit Comment
  CAS-BOT-BC195982  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 mi. west along Guerneville road Comment
  CAS-BOT-BC195986  Lupinus albifrons var. albifrons F. Almeda; G. DeNevers 1981-4-28 4912 Sonoma Vicinity of the Bechtel cabin. Pepperwood Ranch Comment
  CAS-BOT-BC196045  Lupinus albifrons var. collinus A. A. Heller 1940-5-17 15632 Sonoma About 2 miles east of Bodega Bay, near State Highway #1 Comment
  CAS-BOT-BC196459  Lupinus arboreus Alice Eastwood; John Thomas Howell 1939-4-2 7371 Sonoma North of Bodega Bay Comment
  CAS-BOT-BC196464  Lupinus arboreus Greg de Nevers 1992-4-23 10114 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UC130308  Lupinus arboreus J. Burtt Davy 1896-3-13 1646 Sonoma Duncan's Mills Comment
  UCD106627  Lupinus arboreus Mary M. Hektner 1976-5-10 241 Sonoma along State Highway 1 roadcut; Unit 35-A Owners' Map, Sea Ranch. Comment
  UCD106631  Lupinus arboreus P. B. Kennedy 1915-5-28 15 Sonoma Del Mar. Comment
  UCR248891  Lupinus bicolor Peter Rubtzoff 1971-5-8 6436 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  CAS-BOT-BC413800  Lupinus bicolor J. Penalosa 1961-5-24 1572 Sonoma Slope above Upper Stemple Cr. Marsh Comment
  SEINET10543866 Image available Lupinus formosus subsp. formosus A. Arthur Heller 1940-4-22 Heller 15546 Sonoma Anderson Valley in clay soil in a field in the oak belt of the Upper Sonoran Life Zone. Comment
  NY15940  Lupinus lutosus A. A. Heller 1940-4-22 15546 Sonoma Alexander Valley. Lower Sonoran Life Zone. Comment
  UCD108930  Lupinus nanus Botany 102 Students 1993-5-8 232 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  UCD109252  Lupinus nanus R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  RSA10735  Lupinus nanus subsp. latifolius A. A. Heller, H. E. Brown, A. H. Heller 1902-4-9 7188 Sonoma Three Miles South of Healdsburg. Comment
  SEINET11091467 Image available Lupinus sericatus John Thomas Howell 1935-5-5 3672 Sonoma Near summit of Triniti P.O Road, Mt. Hood Range, Sonoma co Comment
  SEINET10973357 Image available Lupinus sonomensis A. Arthur Heller 1940-5-17 Heller 15638 Sonoma Stiff clay on a grassy slope, 2 mi E of Shellville along the roadside. Upper Sonoran Life Zone, but no trees present here. Comment
  HSC14947  Lupinus succulentus R. Spellenberg, A. Sylvester, D. Sutherland 1966-3-26 1348 Sonoma 14 mi. W of Big Geysers (along Sulphur Creek) Comment
  SEINET10870696  Lupinus succulentus Joseph W. Congdon 1880-5-2 Congdon s.n. Sonoma Comment
  CAS-BOT-BC202172  Lupinus tidestromii Catherine Best 1980-9-18 s.n. Sonoma On the south side of the mouth of the Russian River Comment
  UCD41195  Lupinus tidestromii Sue Nichol 2003-5-29 s.n. Sonoma Goat Rock Dunes State Park. Jenner. Comment
  UC1129737  Lupinus variicolor H. S. Yates 1934-4-21 3776 Sonoma near Bodega; Sebastopol Quadrangle Comment
  CAS-BOT-BC210019  Luzula Peter Rubtzoff; Nancy Harrison 1978-6-11 9205 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley Comment
  CAS-BOT-BC441041  Luzula macrantha A. A. Heller 1902-3-20 5101 Sonoma Near Windsor Comment
  CAS-BOT-BC441296  Luzula macrantha G. De Nevers 1981-3-25 566 Sonoma Pepperwood Ranch. Between the two fir-Redwood canyons Comment
  CDA37333  Lythrum hyssopifolia D. G. Kelch, Troy McGregor 2010-8-22 10 .341 Sonoma Geyser Peak Rd. Comment
  RSA0015985  Lythrum hyssopifolia Edward Palmer 1892-6-27 2399 Sonoma Petaluma. Comment
  RSA0015996  Lythrum hyssopifolia Peter Rubtzoff 1954-8-10 1683 Sonoma Bodega Head Marsh. Comment
  RSA0016000  Lythrum hyssopifolia Milo S. Baker 1951-07 12321 Sonoma Yard of Ada Hunkins near Kenwood. Comment
  CDA19164  Lythrum salicaria D. Pendleton 2000-8-1 PDR 057088 Sonoma North Coast Ranges; Along Russian River bank, at Casini Ranch, Duncans Mills. 0 Comment
  CAS-BOT-BC344038  Madia elegans CNPS Milo Baker Chapter 1985-8-20 601 Sonoma Rincon Valley, Santa Rosa Comment
  HSC100974  Madia elegans Peter Warner 2011-8-10 225 Sonoma Jenner Headlands Property, Upper Russian Gulch Pasture, N of power line overcrossing. 227 Comment
  CDA31280  Madia elegans subsp. vernalis D. G. Kelch, Ed Biffin 2010-5-3 10 .203 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC344554  Madia exigua Greg de Nevers 1990-5-1 9661 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC343450  Madia gracilis Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC343462  Madia gracilis J. Clausen 1935-5-23 1075 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  CAS-BOT-BC343448  Madia gracilis John H. Thomas 1966-5-8 11601 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC343466  Madia gracilis G. DeNevers 1981-5-30 1422 Sonoma Pepperwood Ranch. In Garrison yard ruderal Comment
  RSA177896  Madia gracilis subsp. gracilis R. F. Thorne 1965-4-20 34351 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CAS-BOT-BC345208  Madia sativa James I. McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  UC990650  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma electric RR station between Santa Rosa and Sebastopol; Leddy Comment
  UCD132831  Madia sativa Frederica Bowcutt 1997-7-19 2199 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Franscio, 10 air miles E of Santa Rosa, 0.5 air miles SSE of Red Mountain, 0.1 air mile ENE of confluence of the Malm Fork and Sonora Creek. Along Meadow Trail E. of Gray Pine Trailhead and N. of Sonora Creek. Downstream of culvert under trail. 411 Comment
  CAS-BOT-BC511575  Maianthemum racemosum subsp. amplexicaule G. de Nevers 1981-3-21 578 Sonoma Jenner. Mouth of Russian River. Coastal Brush. Comment
  UCD139126  Maianthemum stellatum M. Wiesendanger 1927-5-5 725 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC511495  Maianthemum stellatum H. E. Brown; A. A. Heller 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC210082  Marsilea vestita Peter Rubtzoff 1964-7-7 5388 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC348222  Matricaria discoidea A. A. Heller; H. E. Brown 1902-6-2 5635 Sonoma Santa Rosa Comment
  HSC6011  Matricaria discoidea S. N. Wiemeyer 1962-4-20 26 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC262962  Medicago Peter Rubtzoff 1973-8-29 7282 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC268110  Medicago Peter Rubtzoff; Nancy Harrison 1974-9-7 7874 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC262981  Medicago polymorpha Peter Rubtzoff 1958-9-28 4019 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UC55048  Melica aristata Jos. Burtt Davy Jul 1896 Sonoma Russian River Comment
  CAS-BOT-BC269510  Melica californica David L. Morgan 1961-4-15 s.n. Sonoma Bohemian Highway 3 miles north of Occidental Comment
  CAS-BOT-BC281284  Melica geyeri John Thomas Howell; et al. 1981-5-14 53988 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC383038  Melica geyeri Greg de Nevers 1989-4-1 9057 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC262554  Melica torreyana G. DeNevers 1981-5-7 1006 Sonoma Pepperwood Ranch. By confluence of Leslie Creek with Mark West Creek Comment
  HSC10374  Melica torreyana L. S. Rose 1965-4-4 65022 Sonoma 1 mi. N of Sonoma. 61 Comment
  JEPS128350  Melica torreyana Roger Raiche 2000-4-8 024 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1024769  Melica torreyana Leo Whitney 1935-4-14 2259 b Sonoma near Occidental (Blunden's Pasture) Comment
  UC771211  Melica torreyana W. S. Boyle 1942-4-26 1076 Sonoma between Petrified Forest and Mark West (at junction of side road to Santa Rosa) Comment
  SEINET6205052  Melica torreyana L. S. Rose 1965-1 65022 Sonoma 1 mi N of Sonoma Comment
  UCD89197  Melica torreyana R. Tofsrud 1941-3-1 302 Sonoma S. R. Creek Cy. Comment
  UCSC000404  Melilotus indicus Merle Randall 1930-7-10 s.n. Sonoma Shore, Jenner to Fort Ross Comment
  CAS-BOT-BC268126  Melilotus indicus Peter Rubtzoff 1961-8-22 4679 Sonoma Fife Creek Marsh. Comment
  RSA784568  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh. Comment
  POM283186  Melissa officinalis A. A. Heller 1902-7-8 5819 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC166970  Mentha Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC376288  Mentha Greg de Nevers 1992-6-26 10197 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC164083  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  JEPS63477  Mentha canadensis W. L. Jepson 1921-9-12 9485 Sonoma Alexander Valley 45 Comment
  UC104585  Mentha pulegium W. E. Bryant July 1887 Sonoma Healdsburg Comment
  SDSU7036  Mentha pulegium D. F. Howe 1962-7-8 3359 Sonoma Mark West Creek, 3.4 miles east of #101, Sonamo Co. Comment
  UC187861  Mentha pulegium Edw. L. Greene 1888-8-30 Sonoma above S. Rosa <Santa Rosa?> (<Santa Rosa?>); above S. Rosa <Santa Rosa?> Comment
  UCD125174  Mentha pulegium F. L. Griffin Date unknown s.n. Sonoma exact location unknown. Comment
  UCD148373  Mentha pulegium Peter Rubtzoff 1955-10-12 2165 Sonoma Duncans Mills Marsh, lower portion of marsh. Comment
  CAS-BOT-BC166691  Mentha spicata Peter Rubtzoff 1968-8-24 5932 Sonoma Upper Salmon Creek Marsh. Comment
  RSA784545  Mentha spicata Peter Rubtzoff 1970-8-18 6322 Sonoma 5 mi N of Sears Point. Comment
  UCD148381  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Vacation Beach, near Guerneville. Comment
  CDA31024  Mentzelia laevicaulis D. G. Kelch, Troy McGregor 2010-8-22 10 .361 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. Comment
  JEPS42860  Mentzelia laevicaulis var. laevicaulis J. B. Davy 1896-7-23 Sonoma Guerneville Comment
  CAS-BOT-BC322598  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma 76 Comment
  CAS-BOT-BC349107  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10450 Sonoma Petaluma Comment
  UCD118901  Microsteris gracilis Frederica Bowcutt 1994-5-21 1833 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Hillside Trail 1/2 mile. 396 Comment
  CAS-BOT-BC311864  Mimulus Peter Rubtzoff 1953-5-16 1357 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC320496  Mimulus Peter Rubtzoff 1955-8-20 2064 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC311872  Mimulus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC311876  Mimulus Peter Rubtzoff 1959-6-20 4171 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC320521  Mimulus Peter Rubtzoff 1970-6-21 6265 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  POM43747  Mimulus aurantiacus var. aurantiacus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale Comment
  RSA177937  Mimulus aurantiacus var. aurantiacus Robert F. Thorne 1965-4-20 34335 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC1193339  Mimulus aurantiacus var. aurantiacus R. H. Neuns 1950-5-8 108 Sonoma 5 mi e Geyserville; Quad. 60B3 457 Comment
  UCD158714  Mimulus cardinalis Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 822 Comment
  UC905106  Mimulus congdonii Milo S. Baker 1927-3-11 2015 b Sonoma near Santa Rosa (above road up canyon); Los Alamos Canyon Comment
  UCD122663  Mimulus grandis Mary M. Hektner 1975-8-14 226 -A Sonoma Unit 24 Owner's Map, Sea Ranch, near State Highway 1. Comment
  POM5118  Mimulus guttatus A. A. Heller 1902-6-11 5687 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UCD122711  Mimulus guttatus Terri Williamson 1990-5-20 58 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  UCR248873  Mimulus guttatus Peter Rubtzoff 1955-7-9 1928 Sonoma North Coast Range, Forestville Marsh 71 Comment
  RSA0022509  Mimulus guttatus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. 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
  SEINET6986285  Mimulus guttatus A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area 1 mile east of Occidental. Comment
  UC1374916  Mimulus microphyllus Noel H. Holmgren, Liew Fah Seong 1969-6-23 3606 Sonoma 7.2 mi n Marin County line (Calif. 1) Comment
  UC27014  Mimulus microphyllus W. H. Brewer 1862-4-18 974 Sonoma near Sonoma Comment
  UC1012405  Mimulus microphyllus Francis W. Pennell Jul 2 1940-Jul 3 1940 26039 Sonoma ne Kenwood Springs 396 Comment
  RSA11104  Mimulus moschatus Carl B. Wolf 1927-9-2 1352 Sonoma Along the coast, 1 mile S of the Gualala River. Comment
  UC124362  Mimulus pilosus T. S. Brandegee July 1887 Sonoma Healdsburg Comment
  JEPS19397  Mimulus tricolor G. Thomas Robbins 1938-5-19 264 Sonoma sw Santa Rosa (Stony Point Road, near The Lagunas) Comment
  UCR242984  Mimulus tricolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  UC727745  Minuartia californica Milo S. Baker 1946-4-2 11301 Sonoma rock outcrop just s Agua Caliente (along Sonoma-Santa Rosa Hwy, e side) Comment
  CAS-BOT-BC388891  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  JEPS18124  Minuartia douglasii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann May 1956 5674 Sonoma The Butcher Knife (R12W) Big Austin Creek (at base, along secondary road following creek) 182 Comment
  JEPS18141  Minuartia douglasii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5661 Sonoma near Layton Chromite Mine (headwaters of creek, along and just above creekbed); Big Austin Creek, Vic. of The Cedars 266 Comment
  UC8116  Minuartia douglasii J. Burtt Davy 1894-6-17 Sonoma Mt. St. Helena Comment
  JEPS128238  Moehringia macrophylla Roger Raiche 2000-5-5 084 .00 Sonoma The Cedars. Danfield Creek, Leona's Cabin Site. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC435114  Mollugo verticillata Peter Rubtzoff 1958-8-30 3935 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  UC1980567  Monardella James L. Reveal 1987-6-7 6414 Sonoma Along Cavedale Road, about 2.4 mile south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles south east of Santa Rosa Comment
  UCD125197  Monardella purpurea Walter Knight; Irja Knight, Roger Raiche, Steve Edwards Date Unknown 4756 Sonoma The Cedars; near Cazadero on Twitchell Ranch. Comment
  JEPS86348  Monardella villosa Jack and Betty Guggolz 1988-5-8 927 Sonoma Comment
  SEINET4173672 Image available Monardella villosa Annetta Carter, Ethel Crum 1941-6-22 1641 Sonoma 3.3 miles east of Bay (Bodega Bay). Comment
  CAS-BOT-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  POM253643  Monardella villosa subsp. franciscana C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  UC157914  Monardella villosa subsp. villosa Milo S. Baker 1898-6-12 651 Sonoma The Geysers Comment
  CAS-BOT-BC314161  Monardella villosa subsp. villosa G. DeNevers 1981-6-6 1475 Sonoma Pepperwood Ranch. Top of Telegraph Hill. Comment
  CAS-BOT-BC314182  Monardella villosa subsp. villosa Milo S. Baker 1926-4-10 216 b Sonoma Mt. St. Helena. Trail to Crater Comment
  CAS-BOT-BC220702  Monardella viridis F. G. Krauss 1894-1-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC445004  Montia fontana Peter Rubtzoff 1966-4-30 5690 Sonoma North side of Hessel Road just west of Hwy. 116. Comment
  JEPS42033  Montia fontana Rimo Bacigalupi with Robert Ornduff 1966-3-18 9141 Sonoma 1 mi s of Kenwood (just s of Los Guilicos Hot Springs, along the Warm Springs Road) 106 Comment
  UCD110293  Morella californica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-29 091 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1146577  Muhlenbergia andina Freed W. Hoffman 1947-5-30 1700 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC515644  Muilla maritima Rimo Bacigalupi 1926-3-27 1252 Sonoma Meadow opposite Myrtledale Geyser 1 1/2 mi north of Calistoga Comment
  SEINET9360775  Myosotis sylvatica John Nelson, Wnek, R. 2000-3-7 20936 Sonoma Wet ground on both sides of Hwy 116 just W of Fern Grove cottages on W side of Guerneville. With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  UCD166291  Myosurus Peter Rubtzoff 1966-5-7 5703 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC101799  Myrica californica John Thomas Howell; J. W. Stacey 1936-7-26 12687 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  JEPS30065  Myrica californica Alice Louise Griffin Sonoma Stewart's Point Comment
  UC672611  Myrica californica Herbert L. Mason 1928-7-11 4893 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC251168  Myriophyllum hippuroides Peter Rubtzoff 1963-9-1 5247 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC361285  Nassella lepida Greg de Nevers 1997-4-24 10964 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1133173  Nassella lepida H. S. Yates 1937-5-31 6567 Sonoma 2 mi sw Petrified Forest; Calistoga Quadrangle 304 Comment
  UCD87889  Nassella lepida Leo Koch 1940-4-24 844 Sonoma Bennett Val. Roadside, 1 mile south of road junction. Comment
  CAS-BOT-BC260283  Nassella pulchra G. DeNevers 1981-5-5 952 Sonoma Pepperwood Ranch. Along the road by Pippindale Garden Comment
  UCD87654  Nassella pulchra Gerry North 1993-4 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. At picnic site across from parking lot east of kiosk. 381 Comment
  CAS-BOT-BC60519  Nasturtium officinale Peter Rubtzoff 1955-8-20 2087 Sonoma Bodega Harbor Marsh. Comment
  JEPS70255  Navarretia cotulifolia W. L. Jepson 1921-6-3 9307 Sonoma s of Santa Rosa (near Wilfred station); Cotati Valley 28 Comment
  UCD160967  Navarretia heterandra James A. Neilson Jr. 1975-7-8 3378 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  RSA135454  Navarretia intertexta Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg. Comment
  UC1719843  Navarretia intertexta David Fruchter 1978-9-17 99 Sonoma Diamond D. Comment
  UCD48410  Navarretia intertexta Calvin McMillan Date Unknown 597 Sonoma Sonoma County, Trinity Road, 6 miles northeast Glen Ellen. Comment
  CAS-BOT-BC230367  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1966-7-4 5773 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UC52427  Navarretia leucocephala subsp. bakeri Milo S. Baker 1899-5-6 Sonoma railroad track between Sebastopol Santa Rosa Comment
  CAS-BOT-BC230375  Navarretia leucocephala subsp. bakeri Niall McCarten; R. Bittman 1985-5-19 5491 Sonoma SE of junction of Highway 101 and Shiloh Road, N of Santa Rosa Comment
  RSA227205  Navarretia leucocephala subsp. plieantha Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road Comment
Read comments
Dec 22 2014
  CAS-BOT-BC233579  Navarretia prostrata Peter Rubtzoff; H. A. Froebe 1971-5-30 6491 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  CDA40114  Navarretia pubescens G. D. Barbe 1991-5-15 4412 c Sonoma Along ridge west of Annadel State Park boundary, Santa Rosa. Comment
  UCD158735  Navarretia sinistra subsp. pinnatisecta James A. Neilson Jr. 1974-7-25 2864 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. 792 Comment
  UC188522  Navarretia squarrosa J. W. Congdon 1889-7-25 Sonoma Petaluma Comment
  UC582809  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 mi n Bodega Comment
  UCD38724  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma State Hwy. 1, 1 1/4 miles southeast Bodega Bay. Comment
  CDA38609  Navarretia squarrosa A. Smith & C. Morgan 2012-7-12 PDR# 1604317 Sonoma Vicinity of Annapolis. 0 Comment
  UCD39803  Navarretia tagetina Collector Unknown 1947-5-16 Sonoma 4.5 miles E. of Windsor. Comment
  UCD160863  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 a Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC1069145  Nemophila heterophylla E. Armstrong 1934-3-26 950 Sonoma 2 mi n Camp Meeker; Sebastopol Quad., n of Camp Meeker 121 Comment
  UC24176  Nemophila heterophylla H. N. Bolander 1864-4-17 3802 Sonoma Santa Rosa Creek Comment
  CHSC57470  Nemophila menziesii John Hale 1990-4-12 19 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  HSC49363  Nemophila menziesii R. York 1979-4-8 201 Sonoma Along Hwy. 128 305 Comment
  UC67151  Nemophila menziesii var. atomaria Milo S. Baker 1899-3 Sonoma near Kenwood (Dr. Turk Canyon); Dr Turk Canyon, near Kenwood Comment
  POM216812  Nemophila menziesii var. menziesii H. F. Copeland 1933-3-18 s.n. Sonoma Field northeast of Santa Rosa. Comment
  CAS-BOT-BC231193  Nemophila parviflora Roxana S. Ferris; Laura Lorraine 1961-6-14 13529 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  CAS-BOT-BC157971  Nicotiana Peter Rubtzoff 1974-8-3 7793 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River Comment
  CAS-BOT-BC231513  Nicotiana D. E. Krause 1894-5-1 s.n. Sonoma Unspecified Comment
  UC111228  Nicotiana acuminata var. multiflora W. A. Setchell 1906-9-3 Sonoma near Monte Rio Comment
  CAS-BOT-BC400120  Nuphar polysepala Peter Rubtzoff 1951-6-9 188 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC336873  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UCR255673  Oemleria cerasiformis Greg de Nevers 1998-5-20 11255 Sonoma North Coast Range, Mark West Creek on Cresta Ranch Comment
  RSA66918  Orthocarpus attenuatus E. K. Balls 1951-5-3 16405 Sonoma Ca. 1 mi. e. from Petrified Forest, road to Calistoga 610 Comment
  POM183040  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-4 5219 Sonoma Hills near Santa Rosa. Comment
  SEINET269411 Image available Orthocarpus erianthus Richard J. Shaw 1963-6-10 1280 Sonoma Highway 1 ca. 2 miles north of Bodega Bay across the street from Arch Rock Beach. Comment
  POM252803  Orthocarpus erianthus var. roseus A. A. Heller 1938-5-14 15083 Sonoma The bluff north of Bodega Bay and along the roadside south of the town of Bay. Comment
  SEINET12270158  Orthocarpus faucibarbatus Unknown 1936-1 13418 Sonoma near Healdsburg Comment
  NY90845  Orthocarpus faucibarbatus var. albidus D. D. Keck 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth. Comment
  RSA32863  Orthocarpus faucibarbatus var. albidus A. A. Heller 1937-5-1 16176 Sonoma Along State Highway #1, on the bluff at Bodega Bay, south of the Town of Bay. Comment
  RSA80275  Orthocarpus lithospermoides F. W. Peirson, Mabel B. Peirson 1926-4-1 6550 Sonoma 6 miles south of Cloverdale. Comment
  SEINET7690378 Image available Oxalis montana Aldridge 1896-1 s.n. Sonoma Santa Rosa Comment
  HSC16700  Oxalis oregana Martha Meagher 1947-3-23 93 Sonoma County Rd. one-half mi. W of Freezeout Creek across Russian River from Duncan's Mills Comment
  SBBG3948  Oxalis oregana H. and M. Dearing 1939-5-14 3379 Sonoma N of Fort Ross Comment
  CDA7164  Oxalis pes-caprae Plane/S. Thomas 2008-2-26 PDR# 1481679 Sonoma Kenwood, 11011 Sonoma Hwy 0 Comment
  HSC16713  Oxalis pes-caprae S. N. Wiemeyer 1962-4-13 9 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UC1389001  Packera Milo S. Baker 1934-4-28 7605 Sonoma w Dry Creek Valley (ne corner of ranch); Jensen Ranch Comment
  CAS-BOT-BC317144  Packera streptanthifolia Milo S. Baker 1934-4-28 7605 Sonoma NE corner of Jensen Ranch, west of Dry Creek Valley Comment
  POM188279  Panicum acuminatum var. acuminatum Marcus E. Jones 1931-7-5 29210 Sonoma The Geysers. Comment
  UCD33494  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 b Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD89127  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 e Sonoma North East part of county. The Geysers, Comment
  UCD89134  Panicum acuminatum var. thermale A. R. Kruckeberg 1949-6-4 S 21 Sonoma Sulphur Creek.Big Geysers. Comment
  SEINET11686588  Panicum capillare subsp. hillmanii W. Knight, Knight, I.; Edwards, S. W. 1984-1 5070 Sonoma along Willow Creek near Stony Point Road betwen Corona Road and Old Redwood Hwy 6 Comment
  UCD35512  Paronychia franciscana Beecher Crampton 1957-7-22 4363 Sonoma Along State Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  CAS-BOT-BC154989  Paspalum Peter Rubtzoff 1973-10-10 7342 Sonoma Tributary of Americano Creek, 2 mi. W of Bloomfield Comment
  RSA227225  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh. Comment
  JEPS25514  Pedicularis densiflora Paul C. Hutchison 1961-2-5 882 Sonoma 2 mi e of Stewarts Point (along the South Fork of the Gualala River, on road from Stewarts Point to Healdsburg); Indian Rancheria, Gualala River 182 Comment
  UC886640  Pedicularis densiflora Alice Eastwood 1918-5-1 6811 Sonoma Mount St. Helena Comment
  HSC24667  Pedicularis densiflora F. Demostene 1966-4-1 5 Sonoma 2 mi. E of Healdsburg Comment
  RSA177942  Pedicularis densiflora Robert F. Thorne 1965-4-19 34319 Sonoma N side of Vine Hill School Road, 0.5 mile from Vine Hill Road. 76 Comment
  UCD165877  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  CDA17203  Pellaea mucronata G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16202 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UCD151229  Penstemon heterophyllus James A. Neilson Jr. 1974-5-17 2847 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  POM14508  Penstemon heterophyllus subsp. heterophyllus Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  JEPS78830  Penstemon heterophyllus var. australis Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  UC146888  Penstemon newberryi var. sonomensis Katharine Brandegee Jun 1910 Sonoma Mt. St. Helena Comment
  SEINET6174116 Image available Penstemon newberryi var. sonomensis Sally Walker 1981-5-8 81 H04 Sonoma Summit of North peak of Mt. St. Helena 1324 Comment
  SEINET4555669 Image available Pentagramma triangularis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15053 Sonoma 2 miles north of Geyserville. Comment
  CAS-BOT-BC71731  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-9 1181 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC222739  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1975-8-16 8328 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC222745  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1962-8-3 5017 Sonoma Atascadero Creek Marsh Comment
  UC1329521  Perideridia kelloggii Peter Rubtzoff 1967-9-16 5884 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  CAS-BOT-BC413648  Persicaria amphibia Peter Rubtzoff 1955-9-9 2116 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC413650  Persicaria amphibia Peter Rubtzoff 1956-9-15 2912 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC413662  Persicaria amphibia Peter Rubtzoff 1963-7-14 5198 Sonoma Laguna de Santa Rosa east of Graton 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-BC418915  Persicaria hydropiperoides Peter Rubtzoff 1963-10-5 5290 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC418923  Persicaria hydropiperoides Peter Rubtzoff 1963-9-1 5248 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC419266  Persicaria maculosa Peter Rubtzoff 1951-7-14 4 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC419274  Persicaria maculosa Peter Rubtzoff 1958-7-20 3787 B Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  CDA12022  Petasites frigidus var. palmatus G. F. Hrusa 1990-3-29 7584 Sonoma North Coast Biodiversity Arena; on of Stewarts Pt. rd. approx. 1 m E of Hwy. 1. Comment
  UC35660  Petasites frigidus var. palmatus J. Burtt Davy March 1896 1639 Sonoma near Duncan's Mills Comment
  JEPS18122  Petrorhagia nanteuilii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek (at base of The Butcher Knife); along secondary road following Big Austin Creek 182 Comment
  UC753396  Phacelia californica Florence Signaigo and Thomas Morley 1946-5-19 129 Sonoma Vine Hill School rd 5-6 mi n Sebastopol 30 Comment
Read comments
Dec 30 2011
  UCD120296  Phacelia californica Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1808 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Meadow trail appx. 1/2 mi from trailhead. 396 Comment
  POM225755  Phacelia californica P. A. Munz 1936-8-7 14310 Sonoma Six miles north of Bodega. Comment
  UC1047018  Phacelia corymbosa L. R. Heckard and C. R. Bell 1951-6-12 154 Sonoma ridge above Pine Flat (reached by road from Alexander Valley to Middletown) Comment
  UC1046968  Phacelia imbricata L. R. Heckard 1952-4-15 227 Sonoma about 2.5 mi ne Alexander Valley (along road to Pine Flat) Comment
  UCD160115  Phacelia imbricata James A. Neilson Jr. 1973-6-3 3117 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
  SEINET12347573  Phacelia imbricata F. H. Utech 1986-5-13 86 -106 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  SEINET10824378  Phacelia suaveolens Peter H. Raven 1965-5-16 Raven 20219 Sonoma Burned flats near Frantz District School. Comment
  CAS-BOT-BC422359  Phalaris Peter Rubtzoff 1975-7-3 8149 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC258949  Phalaris aquatica Walter Knight; Irja Knight 1963-9-11 281 Sonoma Live Oak Road, Liberty Dist. Petaluma Comment
  CAS-BOT-BC265844  Phalaris arundinacea Peter Rubtzoff 1958-5-17 3659 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Comment
  CAS-BOT-BC259023  Phalaris californica Lewis S. Rose 1962-6-1 62067 Sonoma 1 mi. nw of Freestone 76 Comment
  CAS-BOT-BC210061  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh. Comment
  UC1146649  Phalaris paradoxa Freed W. Hoffman 1943-6-6 2209 Sonoma near Wright's Beach (Sonoma Coast); North Coast Ranges, , near Wright's Beach Comment
  UC573901  Phalaris paradoxa H. S. Yates 1937-6-5 6572 Sonoma 5 mi w Sonoma; Sonoma Quad. Comment
  RSA129242  Phleum alpinum H. S. Yates 1936-5-17 5626 Sonoma 1.5 miles E of Bodega Port 122 Comment
  UC1023573  Phleum alpinum Virginia Bufford 1936-5-1 167 Sonoma Larkspur Rock Bodega Canyon; , Larkspur Rock Comment
  UC76891  Phleum pratense unknown Jul 1891 Sonoma Sonoma Comment
  UC762700  Phoradendron densum Robert F. Hoover 1941-6-7 5311 Sonoma 2 mi. s.e. Monte Rio (on rd. to Camp Meeker) Comment
  CDA14899  Phoradendron macrophyllum G. D. Barbe 1968-1-1 860 Sonoma Residence south of Occidental Road, 1.5 miles north of Sebastopol. 0 Comment
  UC1977006  Phyllospadix scouleri Ann Freeman 1963-8-6 1642 Sonoma Bodega Head. North side, Horseshoe Cove with flowers. Comment
  CAS-BOT-BC140621  Physocarpus capitatus Peter Rubtzoff 1958-5-4 3627 Sonoma Forestville Marsh Comment
  UCD113680  Physocarpus capitatus Mary M. Hektner 1975-6-3 208 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET11912602  Physocarpus capitatus K. Wagnon, Vale, J. 1988-1 s.n. Sonoma Hacienda, 1/4mi down Russian River from bridge on shoreline Comment
  RSA796390  Picris echioides Peter Rubtzoff 1973-8-20 7221 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  CAS-BOT-BC176154  Picris echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC164684  Pilularia Peter Rubtzoff; Nancy Harrison 1974-5-26 7479 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC78333  Pinus attenuata Walter Knight; Irja Knight 1964-11-15 787 Sonoma above Johnson Dam - [Hood's] Hoods Peak Comment
  CAS-BOT-BC78784  Pinus lambertiana Mary P. Wells 1981-4-19 s.n. Sonoma between Unit 27A and P.G.+E right-of-way, The Sea Ranch Comment
  OBI35913  Pinus muricata David J. Keil 1983-6-30 17208 Sonoma Stillwater Cove Regional Park Comment
  SBBG55586  Pinus muricata D. I. Axelrod 1983-7-7 E- 3 Sonoma St Hwy 1, vicinity of Salt Point; ISOTYPE: P. muricata var. borealis 76 Comment
  SEINET10612004 Image available Pinus muricata var. borealis Daniel I. Axelrod 1983-7-7 Axelrod E- 3 Sonoma Vicinity of Salt Point, Sate Highway 1. Site on coarse, thickly bedded Eocene marine sandstone. 76 Comment
  UCD158878  Pinus ponderosa James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2900 Sonoma Mayacmas Mountains; northeast corner of Section 15, southwest of The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  CAS-BOT-BC137281  Piperia elegans Peter Rubtzoff 1952-6-10 1240 Sonoma Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC173654  Plagiobothrys Peter Rubtzoff 1969-5-11 6048 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC176381  Plagiobothrys Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCR244756  Plagiobothrys Peter Rubtzoff 1969-6-15 6089 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  UCR279872  Plagiobothrys Peter Rubtzoff 1969-5-11 6048 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR279874  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  CAS-BOT-BC177120  Plagiobothrys Peter Rubtzoff 1969-6-15 6089 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  SBBG119726  Plagiobothrys bracteatus R. F. Thorne 1965-4-19 34276 Sonoma Titus Ranch, Valley Ford 18 Comment
  UC79428  Plagiobothrys bracteatus Dr. Edward Palmer Sonoma Petaluma Comment
  UCD33098  Plagiobothrys bracteatus Beecher Crampton 1966-5-10 7729 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  SD260918  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point. Comment
  UC905097  Plagiobothrys greenei Lewis S. Rose 1949-4-6 49028 Sonoma western outskirts Sonoma 29 Comment
  JEPS117070  Plagiobothrys greenei Peter Warner 2010-3-30 128 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UC881328  Plagiobothrys greenei Milo S. Baker 1940-4-24 9549 Sonoma s Warfield Comment
  SBBG117337  Plagiobothrys nothofulvus B. Crampton 1955-4-5 2414 Sonoma 2 mi SW of Windsor Comment
  RSA788371  Plagiobothrys reticulatus Peter Rubtzoff, H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  POM180616  Plagiobothrys reticulatus var. rossianorum J. T. Howell 1930-6-8 5225 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  UC353910  Plagiobothrys stipitatus Milo S. Baker 1927-4-9 2053 a Sonoma ca 1 mi w Monroe School House (Forestville Road) Comment
  UC353903  Plagiobothrys stipitatus var. micranthus Milo S. Baker 1927-5-8 2141 a Sonoma summit of Bennett Valley Road Comment
  UCD166112  Plagiobothrys tener Peter Rubtzoff 1972-5-14 6740 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  UC1186483  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma w. edge Sonoma (s. of Sonoma Elementary School, housing development both sides of Hayes St.) Comment
  RSA783722  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  RSA783741  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC157657  Plantaginaceae Peter Rubtzoff 1969-5-24 s.n. Sonoma Vernal pool 6.5 mi. N.E. of Penngrove on Lichau Rd. Comment
  CAS-BOT-BC258399  Plantago Peter Rubtzoff 1959-6-20 4143 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC293683  Plantago Peter Rubtzoff 1958-8-31 3952 Sonoma Atascadero Creek Marsh. Comment
  RSA634964  Plantago coronopus Michael A. Vincent, Ethan H. Freid 1998-4-8 8175 Sonoma Bodega Bay, Bodega Bay Marine Reserve, off Bodega Road, Bodega Head Comment
  CHSC22155  Plantago erecta Robert A. Schlising 1962-3-31 2122 Sonoma Along Cavedale Road, 1 mi E of Hwy 12. Comment
  SD130533  Plantago erecta F. Almeda, G. DeNevers 1981-3-30 4880 Sonoma Vicinity of the Bechtel Cabin. Comment
  CAS-BOT-BC258382  Plantago major Peter Rubtzoff 1973-10-3 7331 Sonoma 0.75 miles northwest of Freestone. Comment
  UCR143603  Plantago maritima G. F. Pratt, C. Pierce 2003-6-12 s.n. Sonoma Pacific Coast, Salt Point State Park 12 Comment
  UC565373  Platanthera leucostachys G. Thomas Robbins 1937-6-5 217 Sonoma about ten mi w Santa Rosa; Vine Hill Region, Pitkin Ranch Comment
  RSA94009  Platanthera leucostachys Peter Rubtzoff 1951-5-28 84 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC92118  Platystemon californicus Alice Eastwood 1915-6-29 4863 Sonoma Bodega Point. Comment
  SD130425  Platystemon californicus F. Almeda, G. DeNevers 1981-3-30 4882 Sonoma Vicinity of the Bechtel Cabin. Comment
  UC766307  Plectritis brachystemon R. F. Hoover 1941-5-14 5082 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  CHSC22438  Plectritis ciliosa Robert A. Schlising 1962-3-31 2121 Sonoma Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UC796640  Plectritis macrocera Ira L. Wiggins 1949-4-30 12060 Sonoma 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  CAS-BOT-BC173804  Pleuropogon Peter Rubtzoff 1966-4-30 5686 Sonoma On north side of Highway 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  HSC10608  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  CAS-BOT-BC260976  Pleuropogon californicus var. californicus Alice Eastwood 1921-4-24 10316 Sonoma Santa Rosa Comment
  RSA337037  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 753 Sonoma 1 mile west of 2 Rock junction. Comment
  CAS-BOT-BC260972  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-5-10 3644 Sonoma Laguna de Santa Rosa east of Cunningham near Llamo Road Comment
  RSA201212  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 s.n. Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati. Comment
  UCD90180  Pleuropogon californicus var. californicus R. Tofsrud 1941-3-1 s.n. Sonoma somewhere just south of Santa Rosa. Comment
  UCD90182  Pleuropogon californicus var. californicus R. Tofsrud 1942-4-1 s.n. Sonoma 1/2 mile north of Lewis School, Santa Rosa. Comment
  UCD90211  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2403 Sonoma 1.3 miles west of Fulton, along Woolsey Road. Comment
  UCD92180  Poa Beecher Crampton 1957-7-11 4294 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  RSA0056428  Poa Greg de Nevers 1998-6-10 11281 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UCD55143  Poa annua Ellen Dean; Tammie Beyerl 2006-4-28 3025 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  RSA63655  Poa howellii Milo S. Baker s.n. Sonoma Hood Mountain; above Gray Ranch 305 Comment
  CAS-BOT-BC256025  Poa pratensis David L. Morgan 1961-5-13 s.n. Sonoma Western Ave. and Liberty St., Petaluma Comment
  JEPS75076  Poa pratensis subsp. pratensis Edward Lee 1934-4-30 754 Sonoma 1 mi w 2 Rock Junction 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
  UCD90893  Poa secunda subsp. secunda B. A. Etcheverry 1928-4-22 s.n. Sonoma Wilbur Springs. Comment
  UCD92089  Poa secunda subsp. secunda L. Whitney 1935-3-16 s.n. Sonoma Near Occidental. Comment
  CAS-BOT-BC244194  Poa trivialis Peter Rubtzoff 1962-5-25 4831 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road crossing Comment
  CAS-BOT-BC244201  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  RSA227197  Poa trivialis Peter Rubtzoff 1955-7-17 1972 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC244263  Poa unilateralis Catherine Best 1985-5-15 1099 Sonoma Bodega Head Comment
  RSA0062829  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. 100 Comment
  JEPS81441  Pogogyne douglasii subsp. parviflora L. R. Heckard 1982-7-24 5827 A Sonoma Old Naval Air Station. Fall 1981 Comment
  CAS-BOT-BC376254  Pogogyne serpylloides Greg de Nevers 1995-5-5 10719 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  UC1002652  Polycarpon tetraphyllum Milo S. Baker and H. K. Wagnon 1954-7-1 12960 Sonoma Santa Rosa; sidewalk crevices in front of Hughes Garage 2nd St. Comment
  JEPS128176  Polygala californica Roger Raiche 2001-5-17 025 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UC1300820  Polygala californica Helen K. Sharsmith 1963-5-25 5488 Sonoma on Coleman Valley road e Occidental; San Francisco Bay Region 304 Comment
  UCD109700  Polygala californica K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  SEINET12205658  Polygala californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -240 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC110537  Polygonum Peter Rubtzoff 1987-9-27 9854 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC258015  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7847 Sonoma Kenwood Marsh. Comment
  UCD166307  Polygonum Peter Rubtzoff 1966-8-25 5810 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  UC6718  Polygonum amphibium var. emersum Alice King June 1897 Sonoma Healdsburg Comment
  UC1562675  Polygonum aviculare subsp. aviculare Barbara Ertter 1988-11-5 8026 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  CAS-BOT-BC414114  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1954-8-4 1650 Sonoma Guerneville Marsh Comment
  UCD99862  Polygonum bolanderi G. F. Hrusa; T. D. Wilfred 1995-12-3 12487 Sonoma At summit of Chalk Mtn. on the W face. Foote Ranch property, NW base of Mt. St. Helena, immediately N of Ida Clayton Rd. 110 Comment
  RSA234547  Polygonum lapathifolium Peter Rubtzoff 1955-8-7 2030 Sonoma Guerneville Marsh. Comment
  RSA234570  Polygonum punctatum Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  RSA94323  Polygonum punctatum Peter Rubtzoff 1952-10-26 1330 Sonoma Western branch of the upper Marsh, at a shady place in shallow water Comment
  UC1446025  Polypodium Ed Lee 1978-12-2 4776 Sonoma e Santa Rosa (Annadel State Park, Spring Creek Trail ca. 50 m s of Canyon Trail jct.); Annadel State Park Comment
  UC727667  Polypodium calirhiza Milo S. Baker June 1944 10886 Sonoma 1 1/2 mi n in hills along established rd. Sonoma Comment
  CAS-BOT-BC233001  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC50649  Polypogon interruptus A. B. Leckenby 1896-6-9 Sonoma Petaluma Comment
  RSA94462  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCD51645  Polypogon interruptus Beecher Crampton 1964-8-18 7142 Sonoma The Geysers, Geyser Creek. Comment
  RSA262195  Polypogon maritimus Peter Rubtzoff 1968-6-20 5895 Sonoma 6.5 mi. northeast of Penngrove on Lichau Road. 427 Comment
  CAS-BOT-BC237409  Polypogon monspeliensis Peter Rubtzoff 1958-7-5 3745 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC237411  Polypogon monspeliensis Peter Rubtzoff 1959-8-30 4240 Sonoma Drake's Beach, near Guerneville, Russian River Comment
  POM206736  Polypogon monspeliensis A. A. Heller 1902-6-7 5652 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC1023579  Polypogon monspeliensis Virginia Bufford 1936-5-19 257 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  CAS-BOT-BC237614  Polypogon viridis Peter Rubtzoff 1956-9-11 2849 Sonoma Vacation Beach, Russian River near Guerneville Comment
  UC71449  Polystichum Bioletti 1894-12-25 Sonoma Graham Canyon Comment
  RSA302172  Polystichum munitum J. R. Shevock 1971-1-30 623 Sonoma Along Russian River. 13 Comment
  CAS-BOT-BC258004  Potamogeton foliosus Peter Rubtzoff 1970-10-3 6409 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  RSA800334  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh. Comment
  UCR244635  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  CAS-BOT-BC453900  Potamogeton nodosus D. E. Breedlove 1980-6-27 44737 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC454079  Potamogeton pusillus subsp. pusillus M. S. Baker 1899-6-28 s.n. Sonoma Russian River near mouth Comment
  UCD113699  Potentilla anserina subsp. pacifica Terri Williamson 1990-5-20 49 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC141951  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  UCD113693  Potentilla anserina subsp. pacifica Linda A. Bell 1975-5-18 171 Sonoma Bay Flat Road, ca. 0.5 mile north of University of California's Bodega Head Marine Laboratory. Comment
  JEPS26116  Proboscidea louisianica subsp. louisianica Peter H. Raven, R. Snow 1958-7-23 13681 Sonoma along US Hwy 101 2.1 mi n junction to Skagg's Springs Comment
  CAS-BOT-BC516394  Prosartes hookeri A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  SBBG12370  Prunella vulgaris A. I. Richardson 1961-6-17 23 Sonoma near Timber Cove, N of Ft Ross Comment
  CDA40757  Prunella vulgaris subsp. lanceolata G. D. Barbe 1982-5-27 3617 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  CAS-BOT-BC159845  Prunus cerasifera Walter Knight; Irja Knight; Keith Wagnon 5065 Sonoma At jct of Sonoma Mt. Rd. and Bennett Valley Rd. ca. 1 mi west of Glen Ellen Comment
  CAS-BOT-BC154616  Prunus subcordata A. A. Heller; H. E. Brown 1902-4-4 5215 Sonoma Hills East of Santa Rosa Comment
  POM139676  Prunus subcordata A. A. Heller, H. E. Brown 1902-4-4 5215 Sonoma Hills east of Santa Rosa Comment
  UCR255040  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC159453  Prunus virginiana var. demissa G. DeNevers 1981-5-7 1012 Sonoma Between the two driveways at Leslie Road and Mark West Springs Road, Pepperwood Ranch Comment
  CAS-BOT-BC356502  Pseudognaphalium beneolens F. G. Krauss 1893-10-4 s.n. Sonoma Krauss Ranch 5 mi. west of Calistoga Comment
  CAS-BOT-BC356925  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-8-23 287 Sonoma Joost Ranch, Calistoga Rd Comment
  UCD148405  Pseudognaphalium stramineum Peter Rubtzoff 1958-8-16 3884 Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  SEINET11738932  Pseudotsuga menziesii I. Knight, Knight, W. 1981-1 3980 Sonoma 6.2 mi up Cavedale Road from jct of state route #12 Comment
  RSA784564  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC72692  Pteridium aquilinum Peter Rubtzoff 1957-6-28 3383 Sonoma Duncans Mills Marsh Comment
  UC1201280  Pteridium aquilinum var. pubescens E. Samuels 231 Sonoma Comment
  UCD93362  Puccinellia nutkaensis Beecher Crampton 1957-7-11 4314 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  CAS-BOT-BC466309  Pyrola picta Greg de Nevers 1991-7-9 9756 Sonoma Pepperwood Natural Reserve, 3450 Franz Valley Rd. 475 Comment
  RSA94346  Pyrus communis Peter Rubtzoff 1952-10-26 1332 Sonoma Pitkin Marsh, near Forestville, eastern branch of the Upper Marsh. Comment
  CAS-BOT-BC94230  Quercus X eplingii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5139 Sonoma Pine Mountain Rd. 304 Comment
  UC424815  Quercus X morehus unknown 1930-3-1 3880 Sonoma Vine Hill Region, on <?>rei Ranch Vine Hill Region Comment
  CAS-BOT-BC61629  Quercus agrifolia A. A. Heller; H. E. Brown 1902-4-15 5295 Sonoma Santa Rosa Creek Comment
  UC1193299  Quercus agrifolia P. Zinke 1950-4-25 116 Sonoma 4 mi e Cloverdale (Quad. 61A4) 365 Comment
  UC503094  Quercus agrifolia Joseph P. Tracy 1930-11-30 9271 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  RSA94624  Quercus agrifolia Peter Rubtzoff 1951-8-19 639 Sonoma near Forestville. Pitkin marsh Comment
  SEINET12030396  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 s.n. Sonoma 0.4mi up Cavedale Rd from Hwy-12 91 Comment
  CDA12908  Quercus agrifolia var. agrifolia G. F. Hrusa, R. Gross 1996-3-31 12741 Sonoma North Coast Biodiversity Arena; On flats near residences of Foote Ranch, NE corner of Hwy 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. Comment
  CAS-BOT-BC62714  Quercus chrysolepis Irja Knight; Walter Knight 1964-11-15 786 Sonoma Hood's Peak below Johnson Lake Comment
  CAS-BOT-BC62719  Quercus chrysolepis Greg de Nevers 1981-6-27 1675 Sonoma Paperwood Ranch. Walk up the Creek from Frank Valley Road through the Devil's Kitchen Comment
  SACT002627  Quercus chrysolepis M. Wiesendanger 1927-5-5 Sonoma Comment
  SEINET12030399  Quercus douglasii W. Knight, Knight, I.; Knight, T. 1985-1 5391 Sonoma Pine Mt. Road Comment
  CAS-BOT-BC79568  Quercus dumosa Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5138 Sonoma Pine Mt. Road 304 Comment
  UCD45983  Quercus durata Jennifer Bury; Peggy Herzog 1993-5-8 256 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. 379 Comment
  SEINET12030393  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  SBBG53020  Quercus durata var. durata M. R. Benedict 1978-4-18 Sonoma above Skaggs Springs Rd ca. 8 mi W of Geyserville Comment
  CAS-BOT-BC94668  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 Comment
  CDA29269  Quercus garryana D. G. Kelch 2007-10-16 7 .645 Sonoma Novato. W 7th St on undeveloped hill. Comment
  POM270134  Quercus garryana var. garryana Lyman Benson 1933-8-23 5687 Sonoma Mark West Springs, Hood's Peak Mt. Range. 305 Comment
  CAS-BOT-BC105482  Quercus kelloggii Mrs. E. C. Suttiffe 1921-9-5 s.n. Sonoma Valley of the Moon, London's Place 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
  SEINET3144234  Quercus kelloggii Unknown 1952-9-20 2620 Sonoma Voight Ranch, ca. 1.25 mi (airline) SW of Cunningham, along a lane running E from the Voight farmhouse Comment
  CAS-BOT-BC62801  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Pitkin Marsh, near Forestville, Western branch of the Upper Marsh Comment
  CAS-BOT-BC62804  Quercus lobata Greg de Nevers 1981-9-5 1811 Sonoma Pepperwood Ranch, across fence from Hansel's Corral, south Comment
  UCD14500  Quercus parvula var. shrevei Steven J. Barnhart 1995-2-1 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  CAS-BOT-BC134864  Quercus wislizeni Walter Knight; Irja Knight 1963-9-1 148 Sonoma Pine Mt. Rd. - NE of Cloverdale, Harold Smith Ranch Comment
  RSA177965  Quercus wislizeni var. frutescens Robert F. Thorne 1965-4-20 34386 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  JEPS73359  Ranunculus aquatilis var. subrigidus Edward Lee 1934-4-30 749 Sonoma 1 mi w Two Rock Junction Comment
  SEINET12087446  Ranunculus californicus A. Eastwood, Howell, J. T. 1939-1 s.n. Sonoma Sonoma coast N of Bodega Bay Comment
  CAS-BOT-BC378674  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5063 Sonoma near Windsor Comment
  CAS-BOT-BC378681  Ranunculus californicus var. californicus Peter Rubtzoff 1962-6-1 4869 Sonoma Freestone Marsh Comment
  CAS-BOT-BC378698  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5055 Sonoma near Santa Rosa Comment
  CAS-BOT-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-BC378767  Ranunculus californicus var. cuneatus A. A. Heller 1938-5-14 15082 Sonoma common in moist soil in grassy places on and back of the bluff north of Bay, Bodega Bay Comment
  UCD96104  Ranunculus flammula var. ovalis Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 98 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  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
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  SEINET7067254  Ranunculus occidentalis A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles north of Annapolis and towards Bushy Ridge. Coordinate datum: NAD27. Comment
  UC503030  Ranunculus occidentalis Joseph P. Tracy 1931-3-29 9324 Sonoma Knights Valley North Coast Ranges 304 Comment
  UC205821  Ranunculus orthorhynchus var. bloomeri A. A. Heller 1902-3-14 5061 Sonoma near Windsor Comment
  UCR242982  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  CAS-BOT-BC74236  Raphanus sativus Mary P. Wells 1985-5-26 499 Sonoma Ca. 0.5 mile north of Stewart's Point, along Highway #1. Comment
  SDSU10151  Reseda luteola D. F. Howe 1977-10-10 5016 Sonoma W. of Petaluma on D3 near Marin Co. 47 Comment
  UCD135421  Rhagadiolus stellatus Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1778 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground south of Sonoma Creek approximately 150 yards 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  POM136620  Rhamnus californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  SEINET12211235  Rhamnus californica W. Knight, Knight, I.; Edwards, S. 1985-1 6330 Sonoma Bradford Mt., NW of Healdsburg 762 Comment
  UC1299215  Rhamnus tomentella subsp. crassifolia Freed W. Hoffman 1947-5-30 559 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UCD117871  Rhododendron columbianum J. M. Tucker 1958-5-24 3387 Sonoma Northwest end of Pitkin Marsh, ca. 1 1/4 miles east-southeast of Forestville. Comment
  UCR55867  Rhododendron macrophyllum Fran Sibel 1965-4-30 350 Sonoma North Coast, Gualala, off CA Hwy 1 152 Comment
  CDA43236  Rhododendron occidentale G. F. Hrusa 1989-5-21 7035 Sonoma Austin Creek State Recreation Area; Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  CAS-BOT-BC200341  Rhododendron occidentale var. occidentale Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  RSA256986  Rhododendron occidentale var. occidentale Gary D. Wallace 1973-5-18 1201 Sonoma East of Santa Rosa on Guerneville Rd to .25 miles east of Jct. with Hwy 116, then north on Vine Hill Rd. to Pitkin Tree Farm. Comment
  CDA38887  Rhododendron occidentale var. occidentale T. C. Fuller 1958-5-24 3987 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC200354  Rhododendron occidentale var. paludosum M. S. Baker 1898-6-11 s.n. Sonoma Sulphur Creek Comment
  CAS-BOT-BC111887  Rhynchospora californica Peter Rubtzoff 1951-8-5 598 Sonoma Pitkin Marsh, Western branch of the Upper Marsh Comment
  CAS-BOT-BC111888  Rhynchospora californica Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111893  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  UC710417  Rhynchospora californica John Thomas Howell 1936-7-26 12679 Sonoma 5 mi n Sebastopol (Pitkin Marsh); Pitkin Marsh Comment
  RSA90511  Rhynchospora globularis var. recognita M. S. Baker 1945-7-18 11111 Sonoma Pitkin Marsh, upper meadow. Comment
  UC79601  Ribes G. A. Newell Aug. 1900 Sonoma Russian River Station Russian River Comment
  CAS-BOT-BC93060  Ribes californicum var. californicum Greg de Nevers 1981-3-14 531 Sonoma Pepperwood Ranch. Pippindale Farm, 7 miles northwest of Santa Rosa, near Mark West Lodge. Comment
  CAS-BOT-BC168995  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1955-4-30 1803 Sonoma Forestville Marsh Comment
  CAS-BOT-BC169003  Ribes divaricatum var. pubiflorum G. DeNevers 1981-6-20 1579 Sonoma At confluence of Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  UC58119  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma near Cazadero Comment
  CAS-BOT-BC362937  Rigiopappus leptocladus Alice Eastwood 1915-6-5 4587 Sonoma Petrified Forest Comment
  UC35868  Rigiopappus leptocladus F. T. Bioletti 1893-5-27 Sonoma Hood's Peak Comment
  CAS-BOT-BC74702  Rorippa curvisiliqua Peter Rubtzoff 1959-4-19 4043 Sonoma Ross Marsh. Comment
  JEPS79426  Rorippa curvisiliqua Nancy Harrison 1980-4-7 Sonoma Park Trail Drive South Santa Rosa (s Santa Rosa) Comment
  RSA295091  Rorippa curvisiliqua Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4207 Sonoma On the Boriolo Ranch, near Trenton Rd., just S of and paralleling River Rd., (N part of Laguna de Santa Rosa), approx halfway between Guerneville and Santa Rosa. 15 Comment
  CAS-BOT-BC152657  Rosa californica Dorothy Scherer 1997-5-20 119 Sonoma South side of Fort Ross Rd. and east end of Russian Orchard, Fort Ross State Historic Park 106 Comment
  CAS-BOT-BC152673  Rosa californica L. R. Abrams 1916-7-4 5782 Sonoma Road between Petrified Forest and Mark West Co. Comment
  CAS-BOT-BC146769  Rosa gymnocarpa Mrs. Pettibone 1894-5-14 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC146770  Rosa gymnocarpa F. G. Krauss 1895-5-6 s.n. Sonoma Mountains near [Franze] Franz and Knights Valleys Comment
  CAS-BOT-BC148296  Rosa pinetorum Greg de Nevers 1991-12-18 9839 Sonoma Pepperwood Naturual Preserve, 3450 Franz Valley Road, along Franz Valley Rd. by road cut below Al Cuneo's house. 475 Comment
  CAS-BOT-BC262827  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  UCR148005  Rubus discolor Frederica Bowcutt 1994-5-21 1836 Sonoma Coast Range, Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; c. 1.5 air mi N of Kenwood; c. 18 air mi NW of Napa. Hillside trail c. 1 mi past the junction with Digger Pine trail 412 Comment
  UCD113853  Rubus parviflorus Mary M. Hektner 1975-6-3 206 Sonoma coastward from Halycon Road, Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD15022  Rubus parviflorus Allen Hahus 1978-4-22 15 Sonoma along Jonive Road, 0.6 miles north of highway 12; 152 Comment
  UC73079  Rubus spectabilis Milo S. Baker 1899-6-26 Sonoma Russian River , at its mouth (at its mouth) Comment
  CAS-BOT-BC157178  Rubus ursinus Peter Rubtzoff 1951-6-30 291 Sonoma Uppermost of the western branch of the Upper Marsh Comment
  CAS-BOT-BC157180  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills 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
  UC666157 Image available Rubus ursinus S. W. Brown 1942-5-10 42004 Sonoma 2 mi n Ft. Ross State Historic Monument; Ft. Ross Comment
  UCD17809  Rubus ursinus H. Olmo 8-10 May 1962 62 05 Sonoma California. Sonoma County: Bridge 20-70 in Russian Gulch. Comment
  UCD17814  Rubus ursinus H. Olmo 8-10 May 1962 62 09 Sonoma California. Sonoma County: 1.5 miles east of Fort Ross on road to Cazadero. Comment
  UCD17825  Rubus ursinus H. Olmo 8-10 May 1962 62- 11 Sonoma California. Sonoma County: 3.6 miles south of Stewarts Point. Facing ocean, 0.5 miles inland. Comment
  UCD17934  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-3 53 64 B Sonoma California. Sonoma County: 0.5 miles north of city limits in Rio Del. Comment
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Aug 27 2013
  UCR282050  Rubus ursinus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh 15 Comment
  CAS-BOT-BC164030  Rumex Peter Rubtzoff 1963-8-17 5235 Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC173548  Rumex Peter Rubtzoff 1964-7-29 5444 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC422230  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  POM165242  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC422297  Rumex californicus Alice Eastwood; John Thomas Howell 1938-7-6 6088 A Sonoma Alder Glen Springs Comment
  UCR222560  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16238 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC421582  Rumex crassus Peter H. Raven; R. Snow 1958-7-23 13687 Sonoma 2.6 miles north of Jenner Comment
  CAS-BOT-BC166969  Rumex crispus Peter Rubtzoff 1959-9-13 4268 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC433411  Rumex crispus G. DeNevers 1981-5-23 1285 Sonoma Pepperwood Ranch. Big Roadcut along Franz Valley Road, with turnout, below Walter Ward's House. Comment
  CAS-BOT-BC164690  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1479 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC433739  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  RSA0051272  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC173566  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  SEINET11934234  Rumex pulcher F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -155 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 80 Comment
  UCR25318  Rytidosperma penicillatum John C. Roos 1957-7-2 6651 Sonoma Miller Ridge Comment
  CAS-BOT-BC239856  Rytidosperma penicillatum Mary P. Wells 1981-8-2 s.n. Sonoma The Sea Ranch Comment
  RSA658431  Rytidosperma pilosum J. C. Roos 1957-7-2 6651 Sonoma Miller ridge Comment
  UC569  Sagittaria cuneata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC445686  Sagittaria cuneata W. W. Carruth 1901-6-1 s.n. Sonoma Laguna near Fulton Comment
  UCD99149  Salicornia pacifica D. Sanchez-Mata; M. G. Barbour 1996-4-12 s.n. Sonoma S. Pablo Bay. S. Pablo National Wildlife Refuge. 5 Comment
  CAS-BOT-BC290694  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh. Comment
  UCR249033  Salix Peter Rubtzoff 1974-4-6 7358 Sonoma Forestville Marsh 71 Comment
  RSA0015567  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC103075  Salix bonplandiana Maxine Wilkes 1933-5-21 s.n. Sonoma Mt. St. Helena Comment
  RSA534564  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). 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
  HSC19980  Salix lasiandra R. Spellenberg, A. Sylvester, D. Sutherland 1966-3-26 1339 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  CAS-BOT-BC128052  Salix lasiandra var. lasiandra Peter Rubtzoff 1953-5-16 1359 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  CAS-BOT-BC128056  Salix lasiandra var. lasiandra Peter Rubtzoff 1955-8-20 2059 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC128060  Salix lasiandra var. lasiandra A. A. Heller 1902-8-23 5098 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC107097  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC107255  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-12 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga Comment
  UC482119  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC66162  Salix lasiolepis A. A. Heller 1902-3 5096 Sonoma e Santa Rosa; Santa Rosa Creek Comment
  RSA94338  Salix lasiolepis Peter Rubtzoff 1952-3-23 895 Sonoma S of the Upper Marsh. Comment
  SEINET10396306  Salix lasiolepis A. A. Heller 1902-8-23 5096 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  CAS-BOT-BC107358  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-30 2511 Sonoma below road at Bay, Bodega Bay 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
  CAS-BOT-BC128316  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh Comment
  RSA534562  Salix melanopsis Peter Rubtzoff 1978-7-19 9237 Sonoma Russian River at Del Rio Beach. Ca 2.5 miles E of Healdsburg on So. Fitch Mtn. Rd. Comment
  CAS-BOT-BC126178  Salix scouleriana Mary P. Wells 1987-3-25 872 Sonoma By bridge over southern creek (north of end of Wild Moor Reach), The Sea Ranch Comment
  CAS-BOT-BC126180  Salix scouleriana Peter Rubtzoff 1961-10-23 4774 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC126194  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  UC511619  Salix scouleriana W. A. Setchell 1933-7-9 1 Sonoma well away from Russian R. Bohemian Grove; Monte Rio Comment
  UC519397  Salix scouleriana Milo S. Baker 1933-4 Sonoma 3 mi. w. Sebastopol (along Santa Rosa-Bodega Hwy., at O'Farrell Hill); O'Farrell Hill Comment
  CAS-BOT-BC128908  Salix sitchensis Mary P. Wells 1982-8-21 120 Sonoma North end of South Gerstle Cove, Salt Point State Park Comment
  RSA5722  Salix sitchensis Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 344 Sonoma About 2 km E of Bodega Bay. Comment
  UC453081  Salix sitchensis W. A. Setchell 1931-7-25 3 Sonoma above Russian R. at Bohemian Grove near Monte Rio Comment
  UC482059  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 346 Sonoma 2 km. e. Bodega Bay (on Santa Rosa-Bodega Hwy., <Larkspur Rock>) Comment
  UC482068  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay (on Santa Rosa-Bodega Hwy., <Larkspur Rock>) Comment
  UC482104  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UCD111894  Salix sitchensis P. G. Connors 1991-7-2 192 Sonoma On lower slope of damp hillside on Bodega Head, bordering harbor. Comment
  UCD111903  Salix sitchensis Theodore J. Crovello 1965-9-14 721 Sonoma Along Mayacama Creek, 75-100 yards west of junction of creek with bridge of California Highway 128. Comment
  UCD111909  Salix sitchensis Mary M. Hektner 1974-7-20 157 Sonoma Paralleling Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  RSA0038341  Salix sitchensis Carleton R. Ball, H. P. Bracelin, H. E. Parks, S. T. Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga. Comment
  CAS-BOT-BC225211  Salvia sonomensis John H. Thomas 1955-5-22 5189 Sonoma Along St. Helena Road and West Creek, about 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 365 Comment
  CAS-BOT-BC361369  Salvia sonomensis Greg de Nevers 1997-3-20 10924 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa In Oak Hill burn 400 Comment
  UC25743  Salvia sonomensis F. T. Bioletti 1893-5 Sonoma Hood's Peak Comment
  UCR30517  Salvia sonomensis John C. Roos 1939-4-1 311 Sonoma Hood Peak Range, west of Calistoga. Comment
  POM126741  Salvia sonomensis H. P. Chandler 1907-4-27 7545 Sonoma Napa County: St. Helena to Santa Rosa via spring Mt. Comment
  UCSB5819  Salvia sonomensis Keator, Glenn 1959-4-2 Sonoma 2.5 miles east on Cavedale road; 3.6 miles from Agua Caliente Comment
  UCSB15938  Sambucus nigra subsp. caerulea 1962-6-6 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  RSA302186  Sanicula arctopoides James R. Sherock 1971-1-30 628 Sonoma Along Highway 1; Coastal Bluffs. Comment
  CAS-BOT-BC223345  Sanicula bipinnatifida A. A. Heller; H. E. Brown 1902-3-14 5066 Sonoma Near Windsor Comment
  UC1348908  Sanicula crassicaulis Robert F. Thorne 1965-4-20 34325 Sonoma 2 1/2 mi n of Santa Rosa (and 1 mi n of Sonoma County Hospital, Parker Hill Road); Parker Hill Road 106 Comment
  OBI55096  Sanicula graveolens L. Constance, L. R. Heckard and A. R. Kruckeberg 1950-5-13 3329 Sonoma Ridge NE of Sulpher crk 4 mi W of Lincoln Rock 762 Comment
  RSA799993  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Marshes: Guerneville Marsh. Comment
  CAS-BOT-BC251238  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC164097  Satureja Peter Rubtzoff 1957-6-28 3390 Sonoma Duncans Mills Marsh, upper portion of marsh. Comment
  SD56670  Satureja douglasii D. F. Howe 1963-7-3 3589 Sonoma 20 mi. N of jnct. with #12 on #1 Comment
  UC416710  Satureja douglasii Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  UC635130  Saxifraga integrifolia H. L. Mason 1931-3-7 5808 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  JEPS26635 Image available Saxifraga mertensiana R. Bacigalupi 1948-3-6 2854 Sonoma 1 mi w of Skaggs Springs Comment
  RSA41967  Saxifraga mertensiana Ella Dales Cantelow 1936-4-5 1216 Sonoma Grade W of Cazadero. 154 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-BC422364  Schedonorus arundinaceus Peter Rubtzoff 1962-6-13 4911 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC283658  Schedonorus pratensis Greg de Nevers 1997-5-31 11013 Sonoma NW of Finnell Cabin, Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC111435  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1966-7-23 1980 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC111528  Schoenoplectus americanus Peter Rubtzoff 1972-8-26 6861 Sonoma Stony Point Marsh. Comment
  SD134079  Schoenoplectus californicus Peter Rubtzoff 1967-8-28 5871 Sonoma Lower Salmon Creek Marsh, in shallow water (saline), in the open. Comment
  CAS-BOT-BC111659  Schoenoplectus mucronatus Peter Rubtzoff; Nancy Harrison 1974-9-7 7872 Sonoma Hinebaugh Creek in Rohnert Park, creek bed just west of the Commerce Blvd. crossing. Comment
  SD37488  Schoenoplectus pungens var. badius Edith A. Purer 1932-7-24 4074 a Sonoma Near Bodega Bay, sand dunes. Comment
  CAS-BOT-BC111834  Schoenoplectus tabernaemontani Peter Rubtzoff 1970-8-18 6311 Sonoma 5 mi N of Sears Point Comment
  CAS-BOT-BC111843  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-7-4 4970 Sonoma Fitch Mtn. Grove, 2 mi. E of Healdsburg. Comment
  CDA19323  Scirpus californicus Vernon June 2001 PDR P 091976 Sonoma North Coast; Riebli Road near Santa Rosa. 0 Comment
  SEINET7883439 Image available Scleropoa rigida Leo Koch 1940-1 964 Sonoma 349 Second Avenue Wood Residence; persisting at this locality for at least 10 years Comment
  SBBG1055  Scoliopus bigelovii H. and M. Dearing 1939-5-14 3347 Sonoma near Monte Rio Comment
  SEINET12058074  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  UCD92507  Scribneria bolanderi Beecher Crampton 1959-6-16 5384 Sonoma 1 mile east of Occidental. Comment
  UC444983  Scrophularia californica Milo S. Baker May 1899 Sonoma Stewart's Canyon Comment
  UCD124849  Scrophularia californica Terri Williamson 1990-5-20 51 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  CAS-BOT-BC63941  Sedum spathulifolium J. F. Emmel 1970-5-10 274 Sonoma .3 air mile E of confluence of Rancheria Creek and Warm Springs Creek on Stewarts Pt. Skaggs Springs Road. 144 Comment
  RSA31690  Selaginella bigelovii Amos Arthur Heller 1902-4-2 5201 Sonoma On the Calistoga road, 10 miles from Santa Rosa. Comment
  CAS-BOT-BC366869  Selaginella wallacei Greg de Nevers 1998-4-26 11194 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's property in Sec. 6 400 Comment
  UCD148329  Senecio glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  UCD148425  Senecio glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  UCR279612  Senecio minimus Peter Rubtzoff 1955-9-24 2150 Sonoma Duncan Mills Marsh, upper portion of marsh 9 Comment
  RSA12703  Sequoia sempervirens C. B. Wolf, E. R. Johnson 1934-10-13 6179 Sonoma Log Cabin Ranch, inland from Gualala 305 Comment
  SEINET3876427  Sequoia sempervirens Ralph R. Wilson 1939-7-25 438 Sonoma Ft. Ross. 1/2 mile from ocean.; 0 Comment
  SEINET6727390  Sequoia sempervirens L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa on Guerneville Highway Comment
  CAS-BOT-BC366891  Setaria Greg de Nevers 1997-9-29 11099 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCR275239  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma North Coast Range, east side of Hwy 12, c. 0.75 mile south of Kenwood (0.9 mile south of Warm Springs Road junction) 127 Comment
  CAS-BOT-BC187889  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-19 640 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  JEPS50081  Sidalcea diploscypha M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio; Russian River, btw Gurneville and Monte Rio Comment
  UC18867  Sidalcea diploscypha Michener and Bioletti June 1897 Sonoma Hoods Peak Comment
  SEINET4854003  Sidalcea malviflora subsp. laciniata C. Leo Hitchcock 1952-6-4 19582 Sonoma About 2 miles east of Sebastopol on road to Petaluma. Comment
  CAS-BOT-BC290629  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
Read comments
Mar 10 2009
  UC1541415  Silene californica H. E. and S. T. Parks 1930-5-10 840 Sonoma Knights Valley 152 Comment
  CAS-BOT-BC392492  Silene gallica Greg de Nevers 1997-5-23 11008 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  UCD98647  Silene gallica Mary M. Hektner; Sue Dakuzaku 1974-6-3 14 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC392496  Silene gallica Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  RSA177901  Silene gallica R. F. Thorne 1965-4-20 34356 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  SBBG71623  Silene laciniata subsp. californica L. Rowntree 1931-7-15 Sonoma Stewart Point to Skaggs Springs Comment
  UCD98974  Silene laciniata subsp. californica K. Esau 1933-7-7 s.n. Sonoma Calistoga, near Petrified Forest. Comment
  UCD115720  Sisymbrium officinale Frederica Bowcutt 1994-6-12 1857 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  UC1032511  Sisyrinchium bellum E. Armstrong 1934-3-26 940 Sonoma 3 mi nw of Camp Meeker 91 Comment
  JEPS64293  Sisyrinchium californicum Lucille Roush 1928-4-15 Sonoma near Russian River; Fort Ross Comment
  SD112453  Sisyrinchium californicum Darley F. Howe 1963-7-3 3585 Sonoma 20 miles north of #12 on #1. Comment
  UC1134661  Smilacina racemosa E. Armstrong 1934-3-26 917 Sonoma 2 mi s Camp Meeker; Sebastopol Quadrangle Comment
  UC1134675  Smilacina stellata E. Armstrong 1934-3-26 933 Sonoma 1 mi n Camp Meeker; Sebastopol Quadrangle 121 Comment
  UC72278  Smilacina stellata Milo S. Baker 1898-4-3 Sonoma bet. Guerneville and Cazadero Comment
  CAS-BOT-BC164418  Solanum Peter Rubtzoff 1965-8-22 5613 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD167960  Solanum nigrum James Neilson 1981-7-16 4053 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET6185639  Solanum nigrum Unknown 1970-8-21 s.n. Sonoma Bodega Bay Comment
  UC1125083  Solanum umbelliferum E. Armstrong 1934-3-26 931 Sonoma 4 mi n of Camp Meeker 91 Comment
  RSA0062823  Solidago californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC365585  Solidago elongata Peter Rubtzoff 1951-9-16 750 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  RSA0062825  Solidago occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 100 Comment
  POM232056  Solidago spathulata Roxana S. Ferris 1937-8-19 9378 Sonoma 1.5 miles north of Fort Ross on State Highway 1. Comment
  CAS-BOT-BC365262  Solidago velutina subsp. californica J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma 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
  CAS-BOT-BC173669  Soliva sessilis Peter Rubtzoff 1955-8-7 2036 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC173670  Soliva sessilis Peter Rubtzoff 1963-5-26 5137 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC173701  Soliva sessilis Peter Rubtzoff 1960-5-18 4363 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC164384  Sonchus Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC164658  Sonchus Peter Rubtzoff 1960-5-15 4326 Sonoma Fife Creek Marsh. Comment
  UCD92664  Sorghum halepense Freed W. Hoffman 1941-7-1 2220 Sonoma North Coast Ranges. Near Guerneville. Comment
  POM119055  Sparganium angustifolium subsp. emersum Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC258919  Spergula Peter Rubtzoff 1958-9-28 s.n. Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  RSA178018  Spergula arvensis R. F. Thorne 1965-4-19 34277 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA800207  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  CAS-BOT-BC258903  Spergularia Peter Rubtzoff 1955-8-7 2035 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC323963  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC471243  Spergularia Peter Rubtzoff 1971-8-9 6632 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC390518  Spergularia macrotheca var. macrotheca Alice Eastwood; John Thomas Howell 1937-5-31 4502 Sonoma 6 miles north of Bodega Bay Comment
  CAS-BOT-BC502057  Stachys Peter Rubtzoff 1968-7-13 5915 Sonoma Upper Salmon Creek Marsh Comment
  UCD158712  Stachys albens Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 0.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 731 Comment
  CAS-BOT-BC361391  Stachys stricta Greg de Nevers 1993-8-8 10487 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa at Upper Skovie Spring (below Rd. T) 400 Comment
  UCD166327  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UCD166458  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-6-4 1901 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC251257  Stellaria media Peter Rubtzoff 1958-8-31 3951 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC397771  Stellaria media Peter Rubtzoff 1981-4-27 1116 Sonoma Pitkin Marsh, near Forestville; Thickets south of the Upper 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
  CAS-BOT-BC408518  Stellaria nitens Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-3-23 10528 Sonoma 1.1 mi. s. of Mendocino Co. line on State Highway 128, n. of Cloverdale. Comment
  UC1394178  Stephanomeria elata L. D. Gottlieb 1966-8-5 66115 Sonoma 0.5 mi e junction with Cavedale Road (on Triniti Road) 548 Comment
  UCD136267  Stephanomeria elata L. D. Gottlieb 1966-8-4 66115 Sonoma on Trinity road, 1/2 mile east of junction with Cavedale Road. 548 Comment
  SEINET1783484  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 mi S of Healdsburg. Comment
  UCD167312  Streptanthus James Neilson 1977-6-7 3904 Sonoma Mayacmas Mountains, between Lunar Point and crest of Mayacmas. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61147  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  UC956503  Streptanthus barbiger Freed W. Hoffman 1948-6-17 2345 Sonoma tributary of East Austin Creek North Coast Ranges, Gilliam Creek Comment
  UC963921  Streptanthus barbiger Milo S. Baker 1947-5-30 11775 Sonoma along grade ca 2 mi ne Occidental; North Bay Counties, Harrison Grade Comment
  UC1292730  Streptanthus brachiatus Freed W. Hoffman 1950-5-25 3358 Sonoma E of Pine Flat, near Contact Mine Comment
  UCD161423  Streptanthus brachiatus James A. Neilson Jr. 1977-6-7 3903 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167314  Streptanthus glandulosus James Neilson 1977-6-7 3906 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
  UCD167408  Streptanthus glandulosus James Neilson 1977-3-25 3851 Sonoma Mayacmas Mountains, about 3 miles south Pine Flat on Pine Flat Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS86336  Streptanthus glandulosus subsp. glandulosus Jack and Betty Guggolz 1988-6-13 949 Sonoma n side of Pine Flat Road 7.9 mi from junction with Hwy 128 Comment
  JEPS128312  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2000-5-21 105 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1492785  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  NY185747  Streptanthus glandulosus subsp. secundus F. W. Hoffman 1948-6-8 2323 Sonoma North Coast Ranges; Great Eastern Quicksilver Mine near Guerneville Comment
  RSA29978  Streptanthus glandulosus subsp. secundus Lincoln Constance 1942-5-10 2863 Sonoma Sonoma County: 4 miles N of Geyserville. 61 Comment
  UC1492769  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-25 3396 Sonoma near Guerneville; North Coast Ranges, Great Eastern Quicksilver Mines Comment
  UC483689  Streptanthus glandulosus subsp. secundus Milo S. Baker 1932-5-8 5916 Sonoma 5 mi n Ft. Ross; Salt Point Comment
  CAS-BOT-BC87297  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  UC1292741  Streptanthus morrisonii Freed W. Hoffman 1946-9-26 1025 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UCD167021  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UCD167335  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma Mayacmas Mountains. On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167367  Streptanthus morrisonii James Neilson Date Unknown 4060 Sonoma Hillside due east of Layton Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC936538 Image available Streptanthus morrisonii subsp. hirtiflorus Freed W. Hoffman 1948-6-16 2344 Sonoma a short distance above Dorr's Cabin (Headwaters of East Austin Creek); North Coast Ranges, East Austin Creek; East Austin Creek above Dorr's Creek, Sonoma Co. Comment
  JEPS2878 Image available Streptanthus tortuosus Michener and Bioletti 1893-5-30 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  RSA799980  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  RSA799983  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC269629  Symphoricarpos albus var. laevigatus Peter Rubtzoff 1952-6-13 1252 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC269633  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale Comment
  UCR254879  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC97817  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Masrh Comment
  CAS-BOT-BC97835  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  CAS-BOT-BC98567  Symphyotrichum lentum Peter Rubtzoff 1958-8-16 3863 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Rd.) - Sonoma County Marshes Comment
  CAS-BOT-BC221966  Taeniatherum caput-medusae G. DeNevers; M. Harding 1981-7-11 1755 Sonoma Pepperwood Ranch. Above Skovie Comment
  CDA5450  Taeniatherum caput-medusae D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .278 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC376985  Taraxacum officinale Greg de Nevers 1981-4-1 s.n. Sonoma Pepperwood Ranch Comment
  OBI23271  Taraxacum officinale Jim Rogers 1972-7-30 9 Sonoma 3764 Oregon Dr, Santa Rosa 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-BC88008  Teesdalia coronopifolia Catherine Best 1990-3-24 1359 Sonoma In the southwest part of Annadel Park. Comment
  RSA786864  Teesdalia coronopifolia Carrie A. Herd 1982-3-16 236 Sonoma Santa Rosa, S.W. corner of Fulton & Piner Roads Comment
  UC1925913  Tetragonia tetragonoides Ethel Crum Oct 1930 872 Sonoma Petaluma marshes, Sonoma County, to Rio Vista, Solano County. Comment
  UC796642  Thermopsis californica var. californica Ira L. Wiggins 1949-4-30 12058 Sonoma roadside 6.8 mi e Santa Rosa (on road to Calistoga) Comment
  CAS-BOT-BC66807  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10934 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66822  Thysanocarpus curvipes David D. Keck 1931-4-4 1099 Sonoma Santa Rosa Creek Canyon. 225 Comment
  RSA0049967  Thysanocarpus radians 1931-4-2 6041 Sonoma Boyes Springs. Comment
  CAS-BOT-BC447591  Tiarella trifoliata subsp. unifoliata Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC447593  Tiarella trifoliata subsp. unifoliata Peter Rubtzoff 1957-7-28 3395 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC447588  Tiarella trifoliata var. unifoliata J. W. Congdon 1901-8-6 s.n. Sonoma Trail from Shell Beach to Pomo Campground. 40 Comment
  SEINET12217316  Tiarella unifoliata F. H. Utech 1988-1 88 -200 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC371426  Torilis arvensis Greg de Nevers 1996-6-3 10825 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD160853  Torilis arvensis James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3300 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  RSA257027  Torreya californica G. D. Wallace 1973-7-10 1239 Sonoma Along the coast Highway 1, just south of Salt Point and north of Fort Ross Comment
  CAS-BOT-BC169262  Toxicodendron diversilobum Saichi Kawahara 1968-4-20 326 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  CDA8947  Tracyina rostrata J. T. Howell 1967-6-17 42599 Sonoma Near ranch house on Arthur E. Cooley ranch at forks of Dry & Galloway Creeks. Northern Sonoma County. Comment
  CAS-BOT-BC157684  Tragopogon Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7807 Sonoma Kenwood Marsh. Comment
  JEPS25828  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma N and E of Occidental (Harrison Grade summit) Comment
  UCD67622  Trichostema laxum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  UC496403  Trientalis latifolia Merle Randall 1930-6-11 Sonoma near Cazadero Comment
  SEINET11995244  Trientalis latifolia F. H. Utech 1988-1 88 -207 Sonoma 6 mi W of Coleman Valley Road on Willow Creek Road, along Willow Creek 40 Comment
  CAS-BOT-BC166755  Trifolium Peter Rubtzoff 1974-8-5 7815 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC173641  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7476 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA785000  Trifolium Peter Rubtzoff, Nancy Harrison 1978-5-20 9188 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC173550  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173562  Trifolium Peter Rubtzoff 1974-5-11 7383 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  RSA784991  Trifolium Peter Rubtzoff 1974-5-18 7427 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC1784121  Trifolium Milo S. Baker 1932-4-25 5680 Sonoma at Larkspur Hill, 1 mile east of Bodega Bay, south of highway Comment
Read comments
Jun 12 2012
  CAS-BOT-BC217057  Trifolium amoenum John Thomas Howell 1938-7-3 13952 Sonoma Stony Point Comment
  UC249680  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  POM313529  Trifolium barbigerum P. B. Kennedy 1929-5-24 10292 Sonoma Between Sea View and Plantation Comment
  UC494184  Trifolium bifidum var. bifidum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  UCSC006095  Trifolium buckwestiorum Randall Morgan 1996-5-18 2953 Sonoma Seed from near Two Rock Comment
  CAS-BOT-BC368053  Trifolium ciliolatum Greg de Nevers 1998-5-12 11250 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CHSC33018  Trifolium depauperatum var. depauperatum Jane A. Rogers 1979-4-14 7 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  UC16722  Trifolium depauperatum var. truncatum Edw. L. Greene 1892-4-23 Sonoma Knight's Valley Comment
  UCSC010687  Trifolium dichotomum R. Morgan 1995-5-18 2612 Sonoma Serpentine outcrop 4 miles up Coleman Valley Road from Occidental Comment
  UC631613  Trifolium fucatum P. B. Kennedy 1928-5-13 10151 Sonoma Sonoma to San Rafeal hwy 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
  SEINET12166390  Trifolium glomeratum H. K. Wagnon 1989-1 1886 Sonoma Adjacent to Fort Ross School's reservoir- Timber Cove 122 Comment
  POM313546  Trifolium grayi P. B. Kennedy 1929-5-25 10303 Sonoma Frick Ranch, Del Mar Comment
  UCD109770  Trifolium hirtum Frederica Bowcutt 1994-5-21 1823 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Meadow Trail, .75 mile from the trail head. 396 Comment
  RSA633344  Trifolium incarnatum Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8170 Sonoma Cloverdale. Along S. Cloverdale Blvd., just off Rt. 101 exit. Comment
  UC1096834  Trifolium incarnatum Milo S. Baker May 1957 13175 Sonoma near S. F. State College (n Santa Rosa, Hwy 101) Comment
  SEINET6935123  Trifolium macraei W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Cove at Bodega Head. Comment
  UC1177072  Trifolium microcephalum Peter H. Raven 1951-4-22 2782 Sonoma e Agua Caliente (hills) Comment
  UCR255043  Trifolium microcephalum Greg de Nevers 1997-4-24 10976 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC368065  Trifolium microdon Greg de Nevers 1998-5-26 11263 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UCD109171  Trifolium microdon R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  SEINET10577407  Trifolium tridentatum var. tridentatum William H. Brewer 1862-4-17 Brewer 981 Sonoma Sonoma Valley, in a field. Comment
  UCD109400  Trifolium variegatum Jennifer Bury; Peggy Herzog 1993-5-8 277 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  UCD109429  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  UCD109446  Trifolium variegatum var. major P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  UCD55337  Trifolium vesiculosum Ellen Dean 2006-6-28 3181 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  UC496412  Trifolium willdenovii Merle Randall 1930-4-7 Sonoma Redwood Grove Cazadero Comment
  UC535099  Trifolium willdenovii H. E. Parks 1930-5-9 621 Sonoma edge of Alexander Valley Comment
  UC16810  Trifolium wormskioldii J. Burtt Davy 1896-7-23 Sonoma May's Canyon Guerneville Comment
  RSA94345  Trifolium wormskioldii Peter Rubtzoff 1951-7-8 400 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  UCD165156  Trifolium wormskioldii Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC451941  Triglochin maritima Peter Rubtzoff 1955-8-6 2023 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC368077  Trillium albidum Greg de Nevers 1998-4-27 11203 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UC72282  Trillium albidum Milo S. Baker 1898-3-23 696 Sonoma near Melita Melita Comment
  SEINET12051461  Trillium albidum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -263 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  SEINET12050389  Trillium ovatum F. H. Utech, Knight, W.; Knight, I. 1988-1 88 -001 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  JEPS79427  Triphysaria eriantha subsp. eriantha Nancy Harrison 1980-4-7 2089 Sonoma South Santa Rosa (Park Trail Drive) Comment
  JEPS10692  Triphysaria eriantha subsp. rosea Docia I. Patchett 1918-5-26 Sonoma near Black Point; near Black Point Comment
  UC1239031  Triphysaria versicolor subsp. faucibarbata Freed W. Hoffman 1947-4-7 1894 Sonoma Chalk Hill road; North Coast Ranges, Chalk Hill road Comment
  UC1334870  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-5-4 468 Sonoma 0.1 mi w of junction of Petaluma-Valley Ford road with Tomales-Petaluma road Comment
  UC185474  Triphysaria versicolor subsp. faucibarbata Katharine Brandegee May 1905 Sonoma Sebastopol Comment
  UC27192  Triphysaria versicolor subsp. faucibarbata H. N. Bolander 1860-1 3850 Sonoma Mark West Comment
  UC673454  Triphysaria versicolor subsp. faucibarbata H. L. Mason 1928-4-8 4297 Sonoma in fields near Sebastopol Comment
  UC726087  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1941-5-4 16089 Sonoma two mi e Shellville Comment
  UC58260  Triphysaria versicolor subsp. versicolor A. A. Heller 1903-4-23 6607 Sonoma Fort Ross Comment
  UC651086  Trisetum canescens P. B. Kennedy June 1915 Sonoma Del Mar; n Sonoma County Comment
  UCD36301  Trisetum canescens Beecher Crampton 1953-5-19 1297 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa County line. Comment
  UCD36683  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. 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
  RSA173356  Triteleia laxa Walter Knight 1965-6-5 1116 Sonoma McDowell Road 1/2 mile from Casa Grande Road. Petaluma Comment
  RSA540050  Typha latifolia Peter Rubtzoff 1971-7-9 6596 Sonoma 5 miles north of Sears Point. Comment
  SDSU6675  Ulex europaeus D. F. Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on #1. Comment
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Feb 6 2013
  CAS-BOT-BC91282  Umbellularia californica Walter Knight; Irja Knight 1963-12-27 476 Sonoma Summit, Pine Flat Road. Comment
  SEINET9317589  Umbellularia californica John Nelson, Wnek, R. 2000-3-5 20956 Sonoma Livereau Creek Comment
  CAS-BOT-BC382822  Uropappus lindleyi D. E. Breedlove 1983-5-4 58699 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC133488  Uropappus lindleyi C. F. Baker 1903-4-20 2609 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC403985  Urtica dioica subsp. gracilis Peter Rubtzoff 1960-5-18 4382 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC404233  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road) Comment
  CAS-BOT-BC404244  Urtica dioica subsp. holosericea Peter Rubtzoff 1965-9-5 5633 Sonoma Forest Hills (5.5 miles east of Guerneville) Comment
  CAS-BOT-BC404229  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-9-13 5503 Sonoma Clear Lake State Park, along Cole Creek Comment
  SEINET14053332  Urtica dioica subsp. holosericea Duaccares Ueills 1943-1 Sonoma roadside Comment
  RSA471155  Vaccinium parvifolium H. L. Bauer 355 Sonoma Big Basin Comment
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Sep 18 2012
  UC754368  Vaccinium parvifolium Ira L. Wiggins 1948-3-21 11617 Sonoma At western margin of Kruse Rhododendron State Park Comment
  JEPS78948  Vancouveria planipetala Edward Lee 1936-6-8 2216 Sonoma Smith Creek Road Bohemian Grove Comment
  CAS-BOT-BC156315  Verbascum Peter Rubtzoff 1955-7-17 1976 Sonoma [Guernerville] Guerneville Marsh Comment
  CAS-BOT-BC376291  Verbascum virgatum Greg de Nevers 1992-6-16 10170 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  CDA37932  Verbascum virgatum D. G. Kelch, Troy McGregor 2010-8-22 10 .34 Sonoma Geyser Peak Rd. Comment
  CDA5687  Verbena bonariensis var. conglomerata Anita Noldeke 1961-5-14 Sonoma Sebastopol. 0 Comment
  UCR244667  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road 16 Comment
  CAS-BOT-BC164371  Veronica Peter Rubtzoff 1961-6-23 s.n. Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC166701  Veronica americana Peter Rubtzoff 1954-8-3 1632 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC166804  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC177116  Veronica americana Peter Rubtzoff 1955-7-9 1939 Sonoma Forestville Marsh. Comment
  RSA783724  Veronica americana Peter Rubtzoff 1954-6-6 1460 Sonoma Guerneville Marsh. Comment
  RSA786488  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Freestone Marsh Comment
  UCD163999  Veronica americana Peter Rubtzoff 1977-9-4 9127 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  UCR279614  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh 9 Comment
  UCD19306  Veronica americana Terry Reedy 1974-5-11 209 Sonoma Bodega Head, in freshwater marsh in open water. 6 Comment
  CAS-BOT-BC371440  Veronica peregrina Greg de Nevers 1998-4-21 11159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Franz Valley Road intersection with Mark West Springs Road 400 Comment
  RSA0021073  Veronica scutellata Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC540814  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC376269  Vicia lutea Greg de Nevers 1995-6-18 10753 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In grassland south-east of Hill 1524 487 Comment
  UCD108795  Vicia lutea Frederica Bowcutt 1996-5-19 2152 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Near trailhead for Lower Bald Mountain. Above Group campground. 472 Comment
  JEPS66188  Vicia pannonica Milo S. Baker May 1931 5162 Sonoma Rincon School Rincon Valley (Rincon Valley, in Austin's field just n of highway) Comment
  UC17022  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  UCSB22472  Vicia sativa subsp. nigra McCarthy, Sharon 1965-4-17 Sonoma In field west of 5th Street West, opposite Betancourt Street intersection, Sonoma 25 Comment
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Jul 28 2008
  UCSB31793  Vicia villosa Townsend, J. 1977-5-29 Sonoma On north side of Calif, state 12 in Freestone 304 Comment
  UCD109137  Vicia villosa subsp. varia Caitlin Lewis; William Mutch 1993-4-17 15 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. Comment
  POM130069  Vinca major A. A. Heller, H. E. Brown 1902-4-17 s.n. Sonoma Hills at Santa Rosa Comment
  RSA264712  Vinca major Peter Rubtzoff 1974-4-6 7362 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  CAS-BOT-BC270243  Viola adunca Walter Knight; Irja Knight 1964-2-27 536 Sonoma Highway 1, Rocky Point, coastal bluffs Comment
  SEINET11992142  Viola adunca F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -151 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  UCD110667  Viola adunca subsp. adunca Jo Nixon 1951-3-24 5 Sonoma Along Highway 1, 5 miles N of Bodega Bay. Comment
  UC1762559  Viola douglasii Milo S. Baker 1928-3-1 3239 Sonoma Melitta, Golf Club Links Comment
  UC1761451  Viola lobata Milo S. Baker 1926-5-31 164 -1926 Sonoma Triniti road, 1 mi up Comment
  CAS-BOT-BC536962  Viola lobata Mary P. Wells 1984-5-1 204 Sonoma Near Humbug Creek, S of Calistoga Rd, Hood Mountain Range Comment
  UC496479  Viola ocellata Merle Randall 1930-6-8 Sonoma Cazadero Comment
  UC1761619  Viola pedunculata Helen Von Grafen 1927-4-15 Sonoma near Cunningham station; Sebastopol Comment
  UC19359  Viola sempervirens J. Burtt Davy 1896-3-14 1666 Sonoma Cazadero Comment
  CDA10943  Viola sempervirens G. F. Hrusa, G. L. Stebbins 1994-3-28 11701 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. N of Duncan's Mills on D.M. Cazadero Rd. Adjacent to East Austin Cr. Rd. on E side of Creek. Comment
  UC1761984  Viola sempervirens Helen Von Grafen 1927-4-27 Sonoma Mill Creek Comment
  UC1762399  Viola sempervirens Edith Hessel 1927-4-17 Sonoma Mill Creek Comment
  CAS-BOT-BC135286  Viscum album Stanley Rose 1966-5-8 s.n. Sonoma 1 mile N of Sebastopol on Gravenstein Hwy. - North Comment
  OBI65600  Viscum album C. W. Nichols & W. O. McCartney, W. O. McCartney 1966-1-17 s.n. Sonoma Backyard of 1220 Gravenstein hwy N at Ill Station rd, 1 mi N of Sebastopol Comment
  CDA36403  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-BC203131  Vitis californica James McMurphy 1908-9-27 s.n. Sonoma Mark West Creek Comment
  SJSU7518  Vitis californica L. S. Rose 1968-6-25 68115 Sonoma Rincon Ridge NE of Santa Rosa 121 Comment
  UCD17551  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Comment
  CAS-BOT-BC385077  Vitis girdiana L. R. Abrams 1916-7-4 5799 Sonoma Road between Petrified Forest and Mark West Comment
  UC1023600  Vulpia Virginia Bufford 1936-5-1 177 Sonoma 2 mi above Duncan's Mill Comment
  CAS-BOT-BC199899  Vulpia bromoides Barrett Anderson 1987-4-27 3467 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  UCD93558  Vulpia bromoides Gerry North Apr - May 1993 16 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 2 miles east of park entrance gate. 243 Comment
  RSA94641  Vulpia bromoides Peter Rubtzoff 1952-5-31 1095 Sonoma Eastern branch of the upper marsh. Comment
  UC1146643  Vulpia microstachys var. pauciflora Freed W. Hoffman 1942-5-3 2246 Sonoma Oregon Canyon; North Coast Ranges Comment
  UCD161305  Vulpia myuros James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3687 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC178600  Vulpia myuros var. myuros G. De Nevers 1981-5-26 1328 Sonoma Garrison Canyon - Pepperwood Ranch Comment
  CAS-BOT-BC128748  Whipplea modesta G. DeNevers 1981-6-20 1647 Sonoma Pepperwood Ranch, at Redwoods Comment
  CAS-BOT-BC128750  Whipplea modesta John H. Thomas 1955-5-22 5188 Sonoma Along St. Helena Road and West Creek, about 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 365 Comment
  CDA25510  Whipplea modesta G. D. Barbe 1982-5-27 3623 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0