Search Results — 2000 specimen records retrieved (1262 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD134234  Abies grandis Lalit M. Srivastava 1957-11-1 21 Sonoma State Highway 1, 2 miles north of Fort Ross. 30 Comment
  UCD160512  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 701 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.37. 56 Comment
  CAS-BOT-BC451112  Acaena pinnatifida var. californica Alice Eastwood 1915-6-29 4114 Sonoma Bodega Point Comment
  UCD112508  Acaena pinnatifida var. californica P. G. Connors 1991-6-27 185 Sonoma Bodega Marine Laboratory. Bodega Head and Dunes. Near Horseshoe Cove. Comment
  CAS-BOT-BC332751  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  SEINET12233936  Acer negundo Unknown 1947-1 99 Sonoma 1/2 mi W of Freezeout Creek, across Russian River duncan's Mills Comment
  RSA264692  Acer negundo subsp. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma Bank of Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  UC1171645  Acer negundo var. californicum H. S. Yates 1934-4-21 3809 Sonoma near Markham; Duncan's Mills Quad., near Markham 15 Comment
  CAS-BOT-BC82  Achillea borealis subsp. arenicola Amos Arthur Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  UCSB15937  Achillea millefolium 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC30089  Achillea millefolium Mary P. Wells 1982-8-21 125 Sonoma Salt Point State Park, south end of parking lot Comment
  CAS-BOT-BC29157  Achyrachaena mollis A. A. Heller; H. E. Brown 1902-4-16 5304 Sonoma Fields east of Santa Rosa Comment
  POM182698  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  UCD128277  Achyrachaena mollis Frederica Bowcutt 1996-5-23 2153 B Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon above group campground. Near trailhead forLower Bald Mountain. 472 Comment
  UCD104090  Acmispon brachycarpus Patti Togioka; R. Waraich 1993-5-8 207 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail about 2 air miles S of Bald Mtn. 365 Comment
  SD8658  Acmispon glaber Michener, Bioletti 1892-5-30 Sonoma Woods Peak Comment
  CAS-BOT-BC26654  Acmispon gracilis Amos Arthur Heller 1902-6-24 5754 Sonoma Near Burke's Sanitarium Comment
  UCD35511  Acmispon junceus var. biolettii Beecher Crampton 1957-7-22 4370 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  CAS-BOT-BC391713  Actaea rubra Mrs. E. C. Sutliffe 1928-7-18 s.n. Sonoma Annapolis Comment
  UCD128405  Adenocaulon bicolor Frederica Bowcutt 1994-6-12 1873 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. In Adobe Canyon just south of Adobe Canyon Road. Western trail ahead for Canyon Trail. 274 Comment
  UCD128525  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  UCD162160  Adiantum aleuticum D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1514 Sonoma Hooker Creek watershed. 480 Comment
  JEPS82260  Adiantum capillus-veneris Roger Raiche 1983-6-25 30423 Sonoma ca 1 mi w Laton Mine (headwaters of Austin Creek, The Cedars) 365 Comment
  UC479340  Adiantum jordanii Marcus E. Jones, A. M. 1931-7-5 29165 Sonoma The Geysers Comment
  UCD137211  Adiantum jordanii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 56 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  CAS-BOT-BC368067  Aegilops triuncialis Greg de Nevers 1998-5-25 11265 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek 400 Comment
  CAS-BOT-BC29572  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4893 Sonoma Bodega Point Comment
  CAS-BOT-BC29575  Agoseris apargioides var. eastwoodiae Roxana S. Ferris 1932-5-27 8258 Sonoma Cliffs at upper end of Bodega Bay Comment
  SD99422  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Creek Road, 8.6 miles west of Geyserville. 89 Comment
  UCD158774  Agoseris grandiflora James A. Neilson Jr. 1974-6-1 3558 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  SEINET7067263  Agoseris heterophylla A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. 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-BC176393  Agrostis Peter Rubtzoff 1971-6-25 6562 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC209997  Agrostis Peter Rubtzoff 1965-8-13 5590 Sonoma Goat Rock State Beach area, 1.6-1.8 mi. NW of State Hwy. #1 junction. Comment
  CAS-BOT-BC210003  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCR256104  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 91 Comment
  UC1026476  Agrostis alba Peter Rubtzoff 1951-7-8 389 Sonoma lower part of the upper Pitkin Marsh (near Forestville) Comment
  UCD51868  Agrostis capillaris Mary M. Hektner 1974-7-18 148 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA298529  Agrostis capillaris Robert A. Norris, John L. Inase, Allen Nakagawa, Carol A. Roberts, Willie J. Roberts, Nelson R. Powers 1982-8-8 4432 Sonoma Sonoma State Beach, near Goat Rock Picnic Area, across mouth of Russian River from Jenner. Comment
  UCD51973  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma above Blind Beach just south of Goat Rock, Sonoma Coast State Park, 9 miles north of Salmon Creek. Comment
  CAS-BOT-BC126965  Agrostis exarata Greg de Nevers 1992-6-26 10208 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  CAS-BOT-BC126966  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa. 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
  CAS-BOT-BC126978  Agrostis exarata R. F. Hoover 1966-7-17 9415 Sonoma Sausal Creek north of Alexander Valley. Comment
  SEINET3916273  Agrostis exarata Fred W. Hoffman 1941-6-29 2069 Sonoma North Coast Ranges. Sonoma Mountain Road.; 0 Comment
  UC573815  Agrostis exarata H. S. Yates 1937-6-6 6577 Sonoma 3 mi w Santa Rosa; Santa Rosa Quad. Comment
  SEINET10790020  Agrostis exarata A. Arthur Heller 1902-6-27 Heller 5779 Sonoma West of Windsor near Russian river. Comment
  RSA144721  Agrostis hallii Roxana S. Ferris, Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump Comment
  UC1011207  Agrostis hallii Virginia Bufford 1936-5-21 370 Sonoma near Skaggs Springs Comment
  SEINET3916556  Agrostis hallii Fred W. Hoffman 1941-6-28 2067 Sonoma Sonoma Mountain road.; 0 Comment
  UCR280134  Agrostis microphylla Peter Rubtzoff, H. A. Froebe 1971-5-30 6501 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC139116  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UCD53151  Agrostis pallens R. Tofsrud 1951-6-1 s.n. Sonoma summit of Oakville to Kenwood road. Comment
  UC1023594  Agrostis scabra Virginia Bufford 1936-5-20 346 Sonoma 3 mi from Mark West (Kellogg Mark West Rd) Comment
  UCD53528  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. Comment
  RSA94459  Agrostis stolonifera Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville, between the Upper and the Lower marshes Comment
  UCR275266  Agrostis viridis Peter Rubtzoff 1970-9-3 6377 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC210112  Aira caryophyllea Peter Rubtzoff 1971-6-5 s.n. Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  JEPS128357  Aira caryophyllea Roger Raiche 2000-4-23 048 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA244322  Aira caryophyllea Larry E. DeBuhr 1973-5-18 1098 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC138392  Aira caryophyllea var. capillaris Alice Eastwood 1921-4-24 10364 Sonoma Santa Rosa. Comment
  CAS-BOT-BC182739  Alisma Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point Comment
  RSA790059  Alisma Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC173620  Alisma lanceolatum Peter Rubtzoff 1976-5-30 8570 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC445341  Alisma lanceolatum Peter Rubtzoff 1962-7-4 4967 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg. Comment
  UC455143  Alisma plantago-aquatica I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC445477  Alisma triviale Walter Knight; Irja Knight 1965-9-12 1187 Sonoma Newanga Road, Santa Rosa. Comment
  CAS-BOT-BC462382  Allium amplectens Milo S. Baker 1927-6-5 2211 c Sonoma Macartney Woods Comment
  CAS-BOT-BC469104  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north mouth of Salmon Creek Comment
  CAS-BOT-BC469109  Allium dichlamydeum Alice Eastwood 1915-6-29 4880 Sonoma Bodega Point Comment
  SEINET7067339  Allium parryi A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  CAS-BOT-BC475455  Allium serra Greg de Nevers 1992-5-19 10153 Sonoma Pepperwood Ranch Natural Preserve 3450 Franz Valley Road 475 Comment
  UCD138616  Allium unifolium Mary M. Hektner 1975-6-3 202 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC474311  Allium unifolium Peter Rubtzoff 1962-5-30 4852 Sonoma Freestone Marsh Comment
  CAS-BOT-BC169367  Alnus rubra John Thomas Howell 1934-3-3 11736 Sonoma 8 miles S of Fort Ross Comment
  RSA302701  Alnus rubra Jim Shevock 1971-1-30 624 Sonoma Along Russian River Comment
  RSA800594  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  UCD110038  Alnus rubra B. Crampton 1957-7-22 4369 Sonoma Above Fisherman's Bay, 0.3 miles south of Stewart's Point. Along State Hwy. 1. Comment
  UCR244612  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 mi south of Freestone 64 Comment
  SJSU6045  Alopecurus aequalis C. W. Sharsmith 1972-6-24 7799 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  UC579598 Image available Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1 1/2 mi. e. Occidental; Sebastopol Quad. 91 Comment
  CAS-BOT-BC137908  Alopecurus saccatus Alice Eastwood 1921-4-24 10351 Sonoma Santa Rosa. Comment
  JEPS97562  Alopecurus saccatus R. D. Stone 1985-6-1 675 Sonoma Shiloh Ranch Mark West Springs (2.3 airmiles NE of intersection of Shiloh and Faught rds.; 0.6 airmiles WSW of); valley of sm. tributary in Mark West Creek drainage 259 Comment
  CAS-BOT-BC258026  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  RSA234563  Amaranthus californicus Peter Rubtzoff 1963-8-24 5240 Sonoma Laguna de Santa Rosa east of Graton Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  CAS-BOT-BC55542  Ambrosia psilostachya Peter Rubtzoff 1951-9-15 762 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC55540  Ambrosia psilostachya M. K. Bellue 1938-6-1 s.n. Sonoma Near Santa Rosa Comment
  CAS-BOT-BC135663  Amelanchier utahensis Robert Owen 1928-5-1 s.n. Sonoma Rio Nido Comment
  CAS-BOT-BC154126  Ammannia Peter Rubtzoff 1973-8-27 7272 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC154125  Ammannia coccinea Peter Rubtzoff 1963-9-21 5271 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  JEPS13275  Ammi majus Rimo Bacigalupi with G. T. Robbins 1955-7-14 5294 Sonoma 5.3 mi. s. (El Verano junction is 1 mi. w. of Schellville) El Verano junction (along CA State Hwy. 37) 3 Comment
  UCD127158  Ammi majus K. Esau 1935-7-19 s.n. Sonoma Near Petaluma. Comment
  RSA385134  Ammophila arenaria Edith A. Purer 1932-7-24 16233 Sonoma near Bodega bay. Comment
  UC13282  Amorpha californica var. napensis Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6007 B Sonoma Austin Creek Comment
  UCD104617  Amorpha californica var. napensis J. M. Tucker 1977-6-16 4397 Sonoma On upper Barnes Creek, in southern part of Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 152 Comment
  CAS-BOT-BC222274  Amsinckia Alice Eastwood 1933-5-7 18843 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  CAS-BOT-BC222279  Amsinckia John Thomas Howell 1934-3-25 11775 Sonoma Lakeville Comment
  SEINET7067241  Amsinckia lycopsoides A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  NY380649  Amsinckia nigricans A. A. Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  UC725783  Amsinckia spectabilis A. A. Heller 1940-5-17 15629 Sonoma n of Bodega Bay Comment
  RSA785704  Anagallis arvensis Carrie A. Herd 1982-5-19 117 Sonoma Rohnert Park, C.S.U. Sonoma, Cluster School Building closest to Nichols Hall. Comment
  SEINET5733527 Image available Anagallis arvensis Michelle Mahoney 1965-1 29 Sonoma Behind Shell Oil station.; Jenner 30 Comment
  SEINET11845329  Ancistrocarphus filagineus Unknown 1986-1 60049 Sonoma NW of Healsburg, Lake Sonoma area, Rockpile Road ridge, ca 1 mi N of bridge over lake 351 Comment
  RSA94466  Andropogon glomeratus Peter Rubtzoff 1951-11-24 849 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh; in a marshy opening. Comment
  CAS-BOT-BC137819  Andropogon glomeratus var. pumilus F. W. Hoffman 1943-6-17 s.n. Sonoma Guerneville. Comment
  UC1011024  Andropogon glomeratus var. pumilus Milo S. Baker Apr 1936 251 Sonoma Sonoma Co. Geysers Comment
  UC1042505  Andropogon glomeratus var. pumilus Peter Rubtzoff 1951-11-24 849 Sonoma western branch of the Upper Marsh Pitkin Marsh (near Forestville); , western branch of the Upper Marsh Comment
  CAS-BOT-BC137785  Andropogon virginicus var. virginicus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC137786  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  POM188473  Angelica californica Marcus E. Jones 1931-7-5 29050 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC221435  Angelica hendersonii David D. Keck; J. Clausen 1935-6-15 3373 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC221436  Angelica hendersonii David D. Keck; J. Clausen 1935-6-15 3373 Sonoma 1 mile N. of Salmon Creek Comment
  JEPS40427  Anisocarpus madioides Edw. L. Greene 1894-6-14 Sonoma Knights Valley Comment
  UCD128892  Anisocarpus madioides Botany 102 Students 1993-5-8 205 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon. Comment
  RSA796687  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD129069  Anthemis cotula Charles B. Heiser Jr. 1946-8-17 1827 Sonoma Banks of Russian River, near Duncan Mills. Comment
  CAS-BOT-BC137766  Anthoxanthum aristatum G. DeNevers 1982-5-2 1971 Sonoma Pepperwood Ranch. Along manzanita trail just before the tunnel. Comment
  CAS-BOT-BC137771  Anthoxanthum aristatum L. Beane; Lois E. James 1949-5-11 1942 Sonoma About half way between Healdsburg and Windsor. Comment
  UCD56148  Anthoxanthum aristatum R. Tofsrud 1948-5-1 s.n. Sonoma West of Windsor. Comment
  CAS-BOT-BC280667  Anthoxanthum occidentale David L. Morgan 1958-2-13 s.n. Sonoma 4 mi. W. of Monte Rio on Russian River Rd. Comment
  CAS-BOT-BC137688  Anthoxanthum odoratum Peter Rubtzoff 1960-5-16 4348 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  CAS-BOT-BC137691  Anthoxanthum odoratum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewarts Point. Comment
  OBI35994  Anthoxanthum odoratum David J. Keil 1983-6-30 17210 Sonoma Stillwater Cove Regional Park Comment
  UCR179374  Anthriscus caucalis Frederica Bowcutt 1994-6-12 1859 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 miles east of Santa Rosa, 1.5 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 433 Comment
  HSC21459  Anthriscus caucalis James Faro 1962-4-17 32 Sonoma W end of Bodega Bay, N end Comment
  UC1388988  Antirrhinum kelloggii Milo S. Baker 1947-4-22 11688 Sonoma near Kenwood (above Gray Ranch); Hood Mt. Comment
  CDA36839  Aphanes occidentalis 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
  RSA0056423  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma Cavedale Road. 152 Comment
  UC66036  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UC465565  Aquilegia Milo S. Baker 1903-10-1 Sonoma along grade to Clayton Place Hood Mt. Comment
  UCD128215  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CHSC69207  Arctostaphylos James D. Jokerst 1989-4-14 3099 Sonoma Healdsburg Area A Specific Plan Study, in project area. On ridge adjacent to existing subdivision, SW portion of project area. Comment
  RSA629206  Arctostaphylos Jon E. Keeley 1993-9-11 24788 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388328  Arctostaphylos Freed W. Hoffman 1947-4-3 667 Sonoma near Healdsburg (headwaters of creek); North Coast Ranges, Wild Hog Ridge, Mill Creek Comment
  UC1093999  Arctostaphylos bakeri Lewis S. Rose 1951-3-21 55031 Sonoma 2 mi ne Occidental (type locality) 213 Comment
  UC1220417  Arctostaphylos bakeri B. F. Smith 1962-8-3 28 Sonoma 3.5 mi nnw Occidental; Quad. 64B2 158 Comment
  UC518012  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10956 Sonoma 2 mi e Occidental Comment
  CDA38594  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. Comment
  CDA38595  Arctostaphylos bakeri Jim Jokerst, Virginia Getz 1988-3-16 3049 Sonoma Healdsburg near water reservoir across highway from Simi Winery. 0 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
  CDA42379  Arctostaphylos canescens D. G. Kelch, D. A. Weinstein 2013-1-5 13 .001 Sonoma 3 km east of Sonoma; On ridge between Lovall Valley and Castle Rds. Comment
  UCD166539  Arctostaphylos canescens Dylan O. Burge 2016-2-16 2040 Sonoma Gilfillian Vineyard, roadside on Cavedale Road. 400 Comment
  CAS-BOT-BC23974  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-5 4567 Sonoma Petrified Forest Comment
  CDA30999  Arctostaphylos canescens subsp. canescens D. G. Kelch, Troy McGregor 2010-8-22 10 .348 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  SBBG5404  Arctostaphylos columbiana H. and M. Dearing 1939-5-15 3392 Sonoma N of Fort Ross Comment
  UC424786  Arctostaphylos columbiana Milo S. Baker 1929-7-16 3621 c Sonoma nw Inverness (near Hiway) Comment
  UC571193  Arctostaphylos columbiana H. L. Mason 1928-4-8 4280 Sonoma Fort Ross Comment
  CAS-BOT-BC24977  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3858 Sonoma From California Native Plant Society's Preserve on Vine Hill School Road. Near Graton. Comment
  CAS-BOT-BC25021  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma At roadside; Vine Hill School Road, 0.1 mile E of junction with Vine Hill Road, ca. 10 miles W of Santa Rosa. Comment
  JEPS98815  Arctostaphylos densiflora Walter Knight 1967-3-19 Sonoma Vine Hill School Road ca. 100 yds W of the school on N side of road and across fence at edge of vineyard Comment
  JEPS98817  Arctostaphylos densiflora James Roof and Walter Knight 1967-3-20 Sonoma a few mi W of Santa Rosa (Clark's Driveway, Box 5980 on Guerneville Road, near int. with Laguna Road) Comment
  UC1120153  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 831 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC549450  Arctostaphylos densiflora J. E. Adams 1934-3-28 723 Sonoma Vine Hill School Sta. Rosa Comment
  UC876398  Arctostaphylos densiflora Milo S. Baker 1933-3-18 7330 Sonoma near Vine Hill School House (10 mi w of Santa Rosa) Comment
  RSA96838  Arctostaphylos densiflora Percy C. Everett, E. K. Balls 1954-10-20 20382 Sonoma 0.8 mi. NE of Occidental on road to Graton and Hwy 12. 182 Comment
  SEINET11989142  Arctostaphylos densiflora B. A. Stein 1981-1 444 Sonoma Vine Hill Rd, 0.25 mi N of Vine Hill School Rd 46 Comment
  UCD166542  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2043 Sonoma Hooker Creek watershed. 520 Comment
  UCD51109  Arctostaphylos glandulosa Roman Gankin; W. R. Hildreth 1967-10-4 1077 Sonoma Near Rocky Mountain, north of Guerneville. Comment
  RSA631181  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24722 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631186  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24721 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631195  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24734 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24676  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma 5 mi. n. of Cazadero. Comment
  CAS-BOT-BC24678  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight 1963-12-27 472 Sonoma Summit Pine Flat Road. Comment
  UC1120216  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1572 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  RSA631197  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley 1993-9-11 24731 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  LA42174  Arctostaphylos hispidula John Thomas Howell; 1933-4-2 10956 Sonoma 2 mi. E of Occidental Comment
  SEINET11993339  Arctostaphylos hispidula Unknown 1984-1 RR 40016 Sonoma Rockpile Road, 9.1 mi N from its intersection & beginning at Skaggs Springs-Stewarts Point Rd 503 Comment
  CAS-BOT-BC38985  Arctostaphylos manzanita Roger Raiche 1983-7-6 30585 B Sonoma In chaparral on serpentinite soil near old mine building, Layton Mine, Austin Creek, The Cedars. Comment
  CAS-BOT-BC38993  Arctostaphylos manzanita Roger Raiche 1982-11-21 20862 Sonoma Serpentine ridge above Gilliam Creek, East Austin Creek State Rec. Area Comment
  CDA11917  Arctostaphylos manzanita G. F. Hrusa, G. L. Stebbins 1994-4-8 11734 Sonoma North Coast Biodiversity Arena; Cavedale edaphic island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  RSA202105  Arctostaphylos manzanita Freed W. Hoffman 1947-2-27 769 Sonoma Long Mountain Farm, near Guerneville. Comment
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Nov 26 2016
  RSA633060  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24711 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  UCD52233  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1066 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  UCD59420  Arctostaphylos manzanita Walter and Irja Knight; Research Associates, Roger Raiche, and Steve Edwards 1983-7-3 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch. 274 Comment
  SEINET11984823  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1066 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11990963  Arctostaphylos manzanita Unknown 1983-1 30499 G Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990968  Arctostaphylos manzanita Unknown 1983-1 30499 I Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11991019  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4752 Sonoma The Cedars, near Cazadero 274 Comment
  CAS-BOT-BC38908  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11298 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38909  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11299 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38677  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards; Roger Raiche; Walter Knight; Irja Knight 1983-7-3 4751 Sonoma The Cedars, on serpentinite, near Cazadero. 274 Comment
  CAS-BOT-BC38695  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4751 Sonoma The Cedars, near Cazadero 274 Comment
  CAS-BOT-BC38711  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma Residence of M. S. Batker, at west base of Mt. Hood. Comment
  SBBG28917  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Baker Ranch, Kenwood, Adobe Cyn Comment
  UC1043526  Arctostaphylos manzanita subsp. manzanita P. C. Everett and E. K. Balls 1954-10-20 20377 Sonoma 4 mi sw Lake-Sonoma Co. line (nw to w slope Mt. St. Helena) 640 Comment
  RSA94311  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  UC1388367  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-4-7 1879 Sonoma between Healdsburg Calistoga; North Coast Ranges Comment
  UC549423  Arctostaphylos nummularia J. E. Adams 1934-6-9 832 Sonoma near McNamees Store Comment
  UC909864  Arctostaphylos nummularia J. E. Adams 1934-3-28 742 Sonoma s McNamees Store Comment
  CAS-BOT-BC47332  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-8-23 196 Sonoma Jacob Ranch, Calistoga Rd. Comment
  CAS-BOT-BC47335  Arctostaphylos stanfordiana J. Clausen 1933-3-25 722 Sonoma About 4 mi. e. of Warfield on road to Oakville. 213 Comment
  CDA11229  Arctostaphylos stanfordiana G. F. Hrusa 1989-1-1 5798 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. up Cavedale Rd. from Hwy 12 near Kenwood. Comment
  CDA12038  Arctostaphylos stanfordiana G. F. Hrusa 1990-1-2 7351 Sonoma North Coast Biodiversity Arena; NW slopes of Hogback Mtn. approx. 4 km. NE of Sonoma. Comment
  JEPS98844  Arctostaphylos stanfordiana unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  JEPS98849  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 1219 Comment
  RSA380886  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 RR- 20301 G Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about .7 mi. in from King Ridge Rd. on Old Layton Mine Road. On topo map area is called The Cedars. North of Cazadero. Comment
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Oct 17 2013
  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
  UC1084352  Arctostaphylos stanfordiana G. Thomas Robbins 1937-3-25 8 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  UC1093994  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55009 Sonoma 2 mi w Graton 121 Comment
  UC424812  Arctostaphylos stanfordiana Milo S. Baker 1930-2-21 3878 a Sonoma Rincon Ridge Comment
  UC674756  Arctostaphylos stanfordiana E. A. Goldman 1907-12-29 Sonoma se slope Mt. St. Helena 1066 Comment
  UCD53847  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 686 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  SEINET11987193  Arctostaphylos stanfordiana W. Knight, Knight, I. 1981-1 3919 Sonoma Tilden Botanic Garden, Berkeley, orig. from near Annapolis Comment
  SEINET11990978  Arctostaphylos uva-ursi Unknown 1983-1 30488 Sonoma Horseshoe Point, near Kruse Rhodendron State Reserve Comment
  UC1193019  Arctostaphylos viscida subsp. pulchella R. H. Neuns 1950-5-23 116 Sonoma 2 mi ne The Geysers; Quad 60B4 1066 Comment
  CAS-BOT-BC47467  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight; Roger Raiche; Stephen W. Edwards 1983-7-3 4750 Sonoma The Cedars; Twitchell Ranch 274 Comment
  JEPS21819  Arctostaphylos viscida subsp. viscida Roy Ramberg 1958-4-5 Sonoma one-half mi from end of Alta Vista Road; Santa Rosa, Montecito 91 Comment
  RSA262356  Armeria maritima subsp. californica Steven Yoder 1969-5-24 29 Sonoma 1 mile N of Bodega Marine Lab. 9 Comment
  UC353792  Arnica discoidea Milo S. Baker 31676 b. Sonoma road to Youngman's, e side of Los Guilicos Valley Los Guilicos Valley Comment
  CAS-BOT-BC172577  Artemisia douglasiana Peter Rubtzoff 1954-9-6 1743 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC90494  Artemisia douglasiana Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC90496  Artemisia douglasiana Walter Knight; Irja Knight 1963-9-15 297 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC400602  Asarum caudatum Peter Rubtzoff 1955-5-14 1850 Sonoma Duncans Mills Marsh Comment
  SBBG1379  Asarum caudatum H. and M. Dearing 1939-5-15 3381 Sonoma N of Fort Ross Comment
  UC762327  Asarum caudatum Robert F. Hoover 1941-5-14 5100 Sonoma Hills north of Bodega Comment
  POM130171  Asclepias fascicularis A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa Comment
  UC449988  Asclepias fascicularis Harriet A. Walker 1908-6-7 1164 Sonoma Santa Rosa Comment
  RSA264768  Asclepias fascicularis Peter Rubtzoff 1975-8-15 8322 Sonoma Laguna, Chileno Valley. Comment
  UC22995  Asclepias fascicularis F. T. Bioletti June, 1891 Sonoma Comment
  UC399500  Aspidotis densa Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  UCR37731  Aster chilensis A. C. Sanders 1985-1-19 5368 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CAS-BOT-BC157686  Asteraceae Peter Rubtzoff; Nancy Harrison; Dug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC344836  Asteraceae Peter Rubtzoff 1966-8-3 5779 Sonoma Going up Bennett Mountain from Lawndale to Bennett Mountain Lake. Comment
  UC13334  Astragalus breweri W. H. Brewer 1862-4-17 979 Sonoma near Sonoma; ; near Sonoma Comment
  UC353936  Astragalus breweri Milo S. Baker 1928-4-18 2975 b Sonoma Hiway 1/2 mi n Occidental; n of Occidental Comment
  RSA108730  Astragalus claranus H. D. Ripley, R. C. Barneby 1954-4-30 11238 Sonoma 7 miles NE of Santa Rosa near Alpine School. 167 Comment
  CAS-BOT-BC186825  Astragalus gambelianus Greg de Nevers 1993-5-30 10464 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Piny Canyon 457 Comment
  CAS-BOT-BC186819  Astragalus gambelianus G. DeNevers 1981-4-20 773 Sonoma Pippindale farm. On bench between Studio and the ridge top Comment
  CAS-BOT-BC186826  Astragalus gambelianus G. DeNevers 1981-4-25 833 Sonoma Lower Pepperwood entrance Comment
  OBI49330  Astragalus gambelianus Michener & Bioletti, Bioletti June1893 s.n. Sonoma Sonoma, Hood's Peak Comment
  RSA415822  Astragalus gambelianus J. T. Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena. Comment
  UC903146  Athyrium filix-femina var. cyclosorum Ethel Crum 1930-7-27 828 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  UC850844  Atriplex leucophylla Milo S. Baker 1932-6-10 5877 Sonoma next beach n Salmon Cr; n of Salmon Cr Comment
  UCD143729  Atriplex leucophylla Mary M. Hektner 1976-12-14 276 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD97622  Atriplex prostrata Mary M. Hektner 1975-8-14 228 Sonoma on Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC7081  Atriplex triangularis Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  POM207090  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa creek, east of Santa Rosa Comment
  UCD56211  Avena barbata Beecher Crampton 1956-3-12 3222 Sonoma Along U.S. Hwy. 101. Italian-Swiss Colony Winery Grape Vineyards. Asti. Comment
  UCD56217  Avena barbata B. Crampton 1955-3-15 2326 Sonoma U.S. Hwy. 101. Asti. Comment
  UCD72386  Avena fatua Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1790 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence with Rattlesnake Creek. 350 Comment
  JEPS81900  Baccharis glutinosa Roger Raiche 1982-8-22 20701 Sonoma canyon running through Vine Hill Vine Hill 213 Comment
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Oct 17 2013
  POM213043  Baccharis pilularis C. B. Wolf 1934-10-13 6182 Sonoma 2 2/5 miles north of mouth of Russian River. 61 Comment
  CAS-BOT-BC173600  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC354312  Barbarea Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16693  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  CAS-BOT-BC145827  Beckmannia syzigachne Peter Rubtzoff 1960-6-25 4513 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville roads. Comment
  JEPS75075  Beckmannia syzigachne Edward Lee 1934-4-30 744 Sonoma 1 mi w. 2 Rock junction Comment
  RSA13556  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  RSA129086  Beckmannia syzigachne H. S. Yates 1937-5-6 6576 Sonoma Near Wildwood; Santa Rosa 122 Comment
  SEINET10514173  Beckmannia syzigachne A. Arthur Heller 1902-6-7 Heller 5650 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD122100  Bellardia trixago P. B. Kennedy 1928-5-13 s.n. Sonoma On Napa-Sonoma Highway and counties. Comment
  CAS-BOT-BC75659  Berberis nervosa Walter Knight; Irja Knight 1963-11-22 426 Sonoma Ida Clayton Road not far from Lake county line. Comment
  CAS-BOT-BC300480  Bidens frondosa Peter Rubtzoff 1958-7-20 3785 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road) Comment
  CAS-BOT-BC290573  Bidens laevis Peter Rubtzoff 1963-10-23 5299 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC100247  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  CAS-BOT-BC100254  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field southwest of Sonoma. Type locality. Comment
  CAS-BOT-BC257983  Blennosperma bakeri Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7398 Sonoma Laguna de Santa Rosa, ca. 1 mi. east-southeast of Sebastopol. Comment
  JEPS83487  Blennosperma bakeri Jack and Betty Guggolz 1986-3-18 858 Sonoma just n Piner School Comment
  RSA786928  Blennosperma bakeri Carrie A. Herd 1982-3-16 27 Sonoma Santa Rosa, Todd Road Preserve Comment
  JEPS83485  Blennosperma bakeri Jack and Betty Guggolz 1986-3-14 856 Sonoma n of, w of Hwy 12, n side of Bonneau road Bonneau Comment
  NY31010  Blennosperma californicum E. Samuels 106 Sonoma Comment
  OBI48606  Blennosperma nanum Michener and Bioletti, Bioletti April 1893 Sonoma Kenwood Comment
  POM54940  Blennosperma nanum A. A. Heller, H. E. Brown 1902-3-14 5064 Sonoma Near Windsor Comment
  UC727776  Blennosperma nanum var. nanum Milo S. Baker 1946-4-21 11335 Sonoma near, along S.R.-Sonoma Hiwy. Old Dunbar School Comment
  CAS-BOT-BC154963  Boisduvalia Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7850 Sonoma Kenwood Marsh Comment
  RSA790899  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC154967  Boisduvalia densiflora Peter Rubtzoff 1954-9-6 1742 Sonoma Guerneville Marsh, along the northern border Comment
  CAS-BOT-BC166653  Boisduvalia densiflora Peter Rubtzoff 1959-9-13 4266 Sonoma Vacation Beach, near Guerneville. Russian River. 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
  SEINET12194245  Boisduvalia densiflora W. Knigh, Knight, I. 1984-1 5235 Sonoma 5.9 mi up Cavedale Rd 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
  SEINET11750918  Bolboschoenus glaucus W. Knight, Knight, I. 1990-1 6596 Sonoma Sonoma Mission Comment
  UC56354  Bolboschoenus maritimus J. Burtt Davy 1897-9-19 4054 Sonoma Petaluma. Comment
  CAS-BOT-BC376305  Boraginaceae Greg de Nevers 1992-4-8 10101 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Martin Creek. 400 Comment
  SEINET12122373  Bowlesia incana Unknown 1987-1 70026 Sonoma S of mouth of Russian River, Goat Rock State Park, area W of Coast Hwy 1 & S of main entrance road 12 Comment
  UC874604  Bowlesia incana Koch 1939-4-23 588 Sonoma off Petaluma Hill Road (along Game Refuge Road in Refuge area); North Bay, Game Refuge Road Comment
  CAS-BOT-BC371427  Boykinia occidentalis Greg de Nevers 1996-6-10 10830 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Mark West Creek below Leslie Creek 400 Comment
  RSA331975  Boykinia occidentalis Dave Kelly, W. Wisura 1985-7-26 4058 Sonoma Sugarloaf Ridge State Park E of Santa Rosa. Comment
  UCD57082  Brachypodium distachyon G. Douglas Barbe 1984-6-13 4172 Sonoma On Willow Creek Road between Bridge Haven (Highway 1) and Coleman Valley Road. West of Occidental. Comment
  CAS-BOT-BC100473  Brickellia californica Greg de Nevers 1990-7-24 9679 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, in Franz Creek 457 Comment
  JEPS45817  Briza maxima Eleanor Armstrong 1932-5-16 154 Sonoma 2 mi southeast of Camp Meeker on ridge 106 Comment
  UCD57371  Briza maxima C. H. Lamoureux 1957-4-7 1193 Sonoma 1 mile north of junction of State Highway 12 and Calistoga Road (which leaves Highway 12 3.5 miles east of Santa Rosa). Comment
  SEINET10514376  Briza media Michener MICHENER s.n. Sonoma Kenwood. 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
  CDA36959  Briza minor CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  CAS-BOT-BC123412  Brodiaea californica var. leptandra Amos Arthur Heller 1902-6-23 5742 Sonoma Petrified Forest Comment
  JEPS7639  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7658 Sonoma Mark West Springs Comment
  UCD161243  Brodiaea elegans subsp. elegans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3707 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC486541  Brodiaea elegans subsp. elegans Peter Rubtzoff; Nancy Harrison 1976-6-18 8644 Sonoma False Lake Meadow area, Annadel State Park Comment
  UC72475  Brodiaea leptandra Milo S. Baker 1904-6-20 Sonoma near (hillside opposite) Maple Glen Comment
  SD24123  Brodiaea stellaris R. F. Hoover 1938-6-14 3611 Sonoma 3 miles west of Graton, on road to 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
  UC768720  Brodiaea terrestris subsp. terrestris R. F. Hoover 1938-6-14 3605 Sonoma 2 mi se Healdsburg Comment
  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-BC486475  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma 4.2 miles west of Jenner Comment
  CAS-BOT-BC486476  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1974-5-19 7447 A Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road. Comment
  SBBG22695  Bromus carinatus M. S. Walters 1960-6-17 Sonoma St Hwy 1, ca.2 mi N of Bodega Bay Comment
  UCD36682  Bromus carinatus Beecher Crampton 1955-6-17 2929 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  UCD58250  Bromus carinatus Collector unknown 1941-4-1 Sonoma Santa Rosa. Franklin Ave. Comment
  CAS-BOT-BC149095  Bromus carinatus var. carinatus David L. Morgan 1956-4-9 s.n. Sonoma Mountain View Avenue. Comment
  CAS-BOT-BC149096  Bromus carinatus var. carinatus Lewis S. Rose 1962-4-18 62024 Sonoma 1 mile northwest of Freestone. 76 Comment
  UC573756  Bromus carinatus var. carinatus H. S. Yates 1936-5-17 5627 Sonoma 2 mi n of Bodega Bay 3 Comment
  CAS-BOT-BC148783  Bromus carinatus var. marginatus James Jokerst 1985-4-26 2270 Sonoma Near Caldwell Ranch. Comment
  UCD60211  Bromus catharticus var. elatus Beecher Crampton 1957-7-11 4326 Sonoma Sonoma Coast State Park, along state Hwy. 1, 0.9 miles north of Salmon Creek. Comment
  CAS-BOT-BC155894  Bromus catharticus var. elatus John Thomas Howell 1955-4-14 30148 Sonoma Ranch yard, about 2 miles southeast of Sonoma. Comment
  CAS-BOT-BC155899  Bromus catharticus var. elatus Peter Rubtzoff 1960-5-15 4317 Sonoma Fife Creek Marsh. Comment
  CDA43044  Bromus commutatus G. Radieve & J. Curtis 2014-4-14 Sono 0479 Sonoma Sugarloaf Ridge State Park. 0 Comment
  UC574004  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 mi sw of Healdsburg 152 Comment
  CAS-BOT-BC422358  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh. Comment
  UCD58474  Bromus commutatus B. Crampton 1955-5-8 2820 Sonoma Hwy. 128. Alexander Valley. Comment
  JEPS71167  Bromus diandrus Virginia Bufford 1932-9-23 575 Sonoma 4 mi sw of Santa Rosa Comment
  UCR248893  Bromus diandrus Peter Rubtzoff, H. A. Froebe 1971-5-30 6459 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  CAS-BOT-BC155201  Bromus hordeaceus Peter Rubtzoff 1951-7-21 486 Sonoma Pitkin Marsh, near Forestville. Souther half of Lower Marsh. Comment
  UC1037113  Bromus hordeaceus Leo Whitney 1935-3-16 2264 Sonoma near Occidental (Orchard, Sutherland Ranch); Orchard, Sutherland Ranch Comment
  UC730043  Bromus hordeaceus Leo F. Koch 1940-4-22 831 Sonoma 2 mi from Jimtown (Alexander Valley Road to Geysers); Alexander Valley Road Comment
  CDA366  Bromus laevipes D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .27 Sonoma Cavedale Rd. Comment
  RSA74446  Bromus laevipes Milo S. Baker 1947-5-30 11778 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  UCD58886  Bromus laevipes Beecher Crampton 1959-6-16 5365 Sonoma 3 miles west of Graton. Comment
  UCD58929  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma 10 miles west of Calistoga. Hwy. 128. Comment
  UCR151572  Bromus madritensis Beecher Crampton 1954-4-26 1794 Sonoma N end of Alexander Valley, border of Mendocino Co., 3 miles north of Cloverdale along U.S. Highway 101 122 Comment
  SEINET14440067  Bromus orcuttianus J. A. Churchill 1974-5-1 74 3022 Sonoma CAmp Meeker Comment
  UCD95022  Bromus rubens Freed W. Hoffman 1942-5-3 2249 Sonoma North Coast Ranges. Oregon Canyon near Camp Meeker. Comment
  CAS-BOT-BC161581  Bromus sterilis David L. Morgan 1956-4-20 s.n. Sonoma 4 miles southwest of Petaluma on D Street Ext. Comment
  UCD60250  Bromus vulgaris Beecher Crampton 1955-6-17 2955 Sonoma 5 miles W of Cazadero. Comment
  UCD114959  Cakile maritima Helen K. Sharsmith 1963-5-25 5499 Sonoma Sand dunes just south of Bodega Harbor. 1 Comment
  CAS-BOT-BC352218  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville. Comment
  SEINET10843394  Calamagrostis P. Rubtzoff 1967-8-22 Rubtzoff 5856 Sonoma SE of Lower Salmon Creek Marsh. 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
  RSA0056432  Calamagrostis bolanderi Greg de Nevers 1996-6-17 10831 Sonoma CYO Camp south of Occidental on Bohemian Highway. 121 Comment
  UCR254900  Calamagrostis crassiglumis Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville 38 Comment
  UCD57512  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4349 Sonoma ca. 9 miles north of Salmon Creek, just south of Goat Rock, Sonoma Coast State Park, above Blind Beach. Comment
  CAS-BOT-BC185117  Calamagrostis ophitidis R. F. Hoover 1965-6-29 9475 Sonoma North of summit of Harrison Grade road near Occidental. Comment
  JEPS86741  Calamagrostis ophitidis Jack and Betty Guggolz 1990-6-16 1085 Sonoma about 1 mi n Camp Meeker (upper end of reservoir on creek); Grub Creek 85 Comment
  UCD57536  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4039 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  RSA0065200  Calamagrostis rubescens Greg de Nevers 1997-6-7 11019 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the Oak Hill Ranch burned area. 100 Comment
  UC903715  Calandrinia breweri Milo S. Baker 1947-4-22 11694 Sonoma McCatney Ranch Hood Mt. (w slope of mountain) 213 Comment
  CAS-BOT-BC438601  Calandrinia ciliata Peter Rubtzoff 1959-4-18 4030 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC273241  Calendula arvensis Rimo Bacigalupi 1946-2-1 s.n. Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD33564  Calendula arvensis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st. Street West, just south of r.r. depot. Comment
  RSA0035354  Callitriche Peter Rubtzoff 1972-6-29 6813 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC293674  Callitriche heterophylla Peter Rubtzoff 1974-4-6 7355 Sonoma Along Lawndale Road, 0.75 miles south of Highway 12. Comment
  RSA0015565  Callitriche heterophylla Peter Rubtzoff 1971-5-8 6450 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UC1101513  Callitriche heterophylla var. bolanderi Malcolm A. Nobs 1949-8-1 1106 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  NY370182  Callitriche heterophylla var. bolanderi F. T. Bioletti 05 1893 s.n. Sonoma Comment
  CAS-BOT-BC293757  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh. Comment
  UCR249066  Callitriche verna Peter Rubtzoff 1969-5-3 6027 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  SD6492  Calochortus amabilis Michener, Bioletti 1891-1 2122 a Sonoma Hood's Peak. Comment
Read comments
May 14 2010
  UC157875  Calochortus amabilis Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UCD112401  Calochortus amabilis Christopher Mallek 2008-5-2 HC1- 8 Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC483272  Calochortus amabilis Saichi Kawahara 1968-4-20 328 Sonoma Oak-Trinity Road, 1 mile northeast of Highway 12 152 Comment
  CAS-BOT-BC483294  Calochortus amabilis Wayne Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, n.w. side of Mt. St. Helena 304 Comment
  UCD139533  Calochortus luteus G. V. Morejohn 1954-5-23 30 Sonoma beside Highway 12, 3 miles north of Sonoma. Comment
  JEPS82300  Calochortus raichei Roger Raiche 1983-7-31 30571 Sonoma above Thompson Creek (s-facing slopes of Thompson Ridge); Austin Creek State Recreational Area, Thompson Ridge 243 Comment
  UCD139582  Calochortus tolmiei Mary M. Hektner 1975-4-30 192 A Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC132643  Calochortus uniflorus Greg de Nevers 1996-4-18 10791 Sonoma Knights Valley, on Bavarian Lion Ranch; Knight's Valley Marsh on Bavarian Lion Ranch 137 Comment
  RSA0120932  Caltha palustris Peter Rubtzoff 1955-4-9 1768 Sonoma Forestville Marsh Comment
  CAS-BOT-BC270708  Calycadenia multiglandulosa Milo S. Baker 1932-6-9 6000 Sonoma 1 mile E of Occidental Comment
  CAS-BOT-BC270848  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers, Mayacamas Range Comment
  CAS-BOT-BC371472  Calycadenia pauciflora Greg de Nevers 1993-8-7 10484 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near the barn 400 Comment
  UC1971751  Calycadenia truncata R. L. Carr 1986-10-2 2262 Sonoma Mountain Home Ranch Road, ca. 75 yards W of Petrified Forest Road, 1.3 mi NE of Petrified Forest Lane, ca. 3.6 mi SW of Calistoga Comment
  UC34864  Calycanthus occidentalis W. C. Blasdale 1894-5-10 Sonoma Guerneville Comment
  UC400137  Calycanthus occidentalis Ynes Mexia 1929-6-2 2397 Sonoma near Santa Rosa Comment
  UCD137898  Calycanthus occidentalis P. B. Kennedy 1927-8-20 s.n. Sonoma Knight's Valley. Comment
  UC4384  Calypso bulbosa Miss Atterbury 1895-3-20 Sonoma Cazadero Comment
  CAS-BOT-BC223619  Calystegia collina subsp. oxyphylla Roxana S. Ferris; Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley Comment
  JEPS86303  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1988-4-5 909 Sonoma North side of Ida Clayton Road 1.15 miles from its junction with Highway 128 Comment
  JEPS87234  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1268 Sonoma About 3/8 miles northeast of White Rock is about 1 3/4 miles north of Jimtown 377 Comment
  UCR198236  Calystegia purpurata Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .272 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC215921  Calystegia purpurata subsp. purpurata Dorothy Scherer 1996-6-3 047 Sonoma North of park hdq. ca 1 mi. and east of bluff top 150-200', Fort Ross State Historic Park 15 Comment
  CAS-BOT-BC33000  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  POM180618  Calystegia purpurata subsp. saxicola J. T. Howell 1930-6-8 5290 Sonoma 8.5 miles N of Bodega Bay Comment
  UC1042507  Camassia quamash Peter Rubtzoff 1951-6-7 117 Sonoma uppermost part of the w branch of the upper Pitkin Marsh Forestville; Pitkin Marsh Comment
  UCD138333  Camassia quamash subsp. linearis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC498783  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  NY679548  Camissonia cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  UCD81450  Camissonia ovata M. Wiesendanger 1927-5-5 707 Sonoma Sonoma. Comment
  UCD103511  Camissoniopsis cheiranthifolia H. A. Borthwick 1925-6-7 1844 Sonoma Willow Camp. Comment
  CAS-BOT-BC160369  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC160364  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma Between town of Bodega Bay and Bodega Head Comment
  UCD103489  Camissoniopsis intermedia Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  UCD66816  Campanula californica Mary M. Hektner 1974-8-27 182 A Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  SEINET10873281  Campanula prenanthoides Rattan 1877-1 RATTAN s.n. Sonoma GUERNEVILLE Comment
  RSA790007  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC37757  Cardamine californica A. A. Heller; H. E. Brown 1902-3-14 5056 Sonoma Near Santa Rosa. Comment
  UC10434  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  UC72915  Cardamine californica Milo S. Baker 1898-4-3 Sonoma roadside between Guerneville and Cazadero; btwn Guerneville and Cazadero Comment
  UCR244500  Cardamine californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone Marsh 79 Comment
  UC72911  Cardamine californica var. integrifolia Milo S. Baker 1898-2-13 716 Sonoma near Santa Rosa (Taylor Mt.); , near Santa Rosa Comment
  CAS-BOT-BC38041  Cardamine oligosperma Dorothy Scherer 1996-4-8 023 Sonoma Kolmer Gulch, west of Highway 1, Fort Ross State Historic Park. 1 Comment
  UCD114539  Cardamine oligosperma Frederica Bowcutt 1994-5-1 1757 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Sonoma Creek, just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed Trail about 30 yards from trail head; along Sonoma Creek. 198 Comment
  CAS-BOT-BC38039  Cardamine oligosperma W. R. Dudley 1894-5-1 s.n. Sonoma Mountains west of Calistoga. Comment
  CAS-BOT-BC281772  Carduus pycnocephalus Margaret Bellue 1934-5-30 s.n. Sonoma Santa Rosa Comment
  OBI63072  Carduus pycnocephalus R. K. Brummitt, A. Wolf, & R. W. Howe, R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat rd near Red Hill 650 Comment
  SEINET11843447  Carduus pycnocephalus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -160 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 Comment
  UCD85500  Carduus pycnocephalus Frederica Bowcutt 1984-6-24 464 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Old home site near existing barn along road to Gerstle Cove parking lot. Northwest of Gerstle Cove approx. 1/4 mile. West of Highway 1. 15 Comment
  CAS-BOT-BC281794  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  CAS-BOT-BC173713  Carex Peter Rubtzoff; Nancy Harrison 1978-6-11 9213 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  RSA74051  Carex Milo S. Baker 1947-6-26 11830 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  UCR248965  Carex Peter Rubtzoff 1975-8-11 8313 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC173806  Carex Peter Rubtzoff; Nancy Harrison 1978-5-20 9184 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC422340  Carex Peter Rubtzoff; Betty Lovell 1975-8-11 8313 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC334523  Carex abrupta Peter Rubtzoff 1957-5-4 3307 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC344828  Carex abrupta Peter Rubtzoff 1962-10-9 s.n. Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC18147  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC320571  Carex athrostachya Peter Rubtzoff 1974-6-2 7507 Sonoma Upper Green Valley Marsh. Comment
  UCR208538  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton [Rd.], south of Woolsey Road Comment
  RSA0022355  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma On River Road about 3 miles W of Fulton. Comment
  CDA12902  Carex barbarae G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12736 Sonoma North Coast Biodiversity Arena; Understory of Sequoia sempervirens grove at western terminus of Neeley Rd. approx. 2 m. S of Guerneville and 3 m. N of Bohemian Grove along Russian River. Comment
  SEINET7551510 Image available Carex barbarae Don Pendleton 1993-5-29 5297 Sonoma Westside Road, Russian River Valley, ca. 5 miles SW of Healdsburg. Comment
  CAS-BOT-BC20240  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC20501  Carex densa Peter Rubtzoff 1974-6-2 7509 Sonoma Sonoma County Marshes. Upper Green Valley Marsh. Comment
  CAS-BOT-BC242636  Carex densa Peter Rubtzoff 1957-5-11 3329 Sonoma Occidental Marsh Comment
  CAS-BOT-BC242640  Carex densa Peter Rubtzoff 1958-4-26 3604 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC1133350  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi NE of Petrified Forest 304 Comment
  UC70642  Carex densa Bioletti 1893-1 Sonoma Los Guilucos Valley Comment
  UC935  Carex densa H. N. Bolander April 1864 3824 Sonoma at Cloverdale Cloverdale; Cloverdale, Sonoma Co. Comment
  UCD112359  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC20242  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC320586  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC20447  Carex globosa Roxana S. Ferris; Laura Lorraine 1961-6-15 13556 Sonoma Green Valley Road 0.8 mile E of junction with Harrison Grade Road. Comment
  CAS-BOT-BC28326  Carex gracilior John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC28328  Carex gracilior John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54018 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 mi NE of Penngrove 457 Comment
  UC1026416  Carex gracilior Peter Rubtzoff 1951-6-16 12246 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC249298  Carex harfordii Peter Rubtzoff 1960-5-16 4350 Sonoma Duncan Mills Marsh Comment
  UCR248967  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) 31 Comment
  CAS-BOT-BC352234  Carex leptopoda Peter Rubtzoff 1964-5-20 5323 Sonoma Bodega Bay Marsh. Comment
  RSA0031803  Carex leptopoda Peter Rubtzoff, Nancy Harrison 1974-7-13 7680 Sonoma Upper Green Valley Marsh. Comment
  UCR252542  Carex leptopoda Peter Rubtzoff 1960-5-16 4359 Sonoma Duncan Mills Marsh 2 Comment
  JEPS128364  Carex mendocinensis Roger Raiche 2000-5-28 123 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC119731  Carex nebrascensis John Thomas Howell 1945-8-14 21411 Sonoma Perry Marsh. Comment
  UC931974  Carex nudata Verne Grant and Alva Grant 1947-5-4 7950 Sonoma 2 mi N of Kenwood (Sonoma Creek 1 mi E of Sonoma-Santa Rosa highway) Comment
  RSA0034041  Carex obnupta Peter Rubtzoff 1964-5-20 5305 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC119317  Carex obnupta P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC312676  Carex ovalis Peter Rubtzoff 1955-8-6 2025 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC320465  Carex pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh. Comment
  RSA0022349  Carex pachystachya Peter Rubtzoff 1974-6-2 7504 Sonoma Upper Green Valley Marsh. Comment
  UCR249914A  Carex pachystachya var. pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh 120 Comment
  SJSU8861  Carex senta R. D. Demostene 1965-4-25 Sonoma creek bed 3.5 mi NW of Cloverdale on State Rte 128 144 Comment
  CAS-BOT-BC422360  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh. Comment
  UCD161858  Carex serratodens James A. Neilson Jr. 1975-7-8 3406 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR248724  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh 305 Comment
  CAS-BOT-BC329280  Carex stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC173805  Carex stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  RSA0020333  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  CAS-BOT-BC116930  Carex subbracteata Peter Rubtzoff 1960-5-16 4353 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC320466  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh. Comment
  UCD140874  Carex subbracteata Lewis S. Rose 1964-6-3 64052 Sonoma north end of Bodega Bay. 1 Comment
  CAS-BOT-BC116780  Carex subbracteata var. subbracteata John Thomas Howell 1947-6-5 23238 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC115824  Carex subfusca Peter Rubtzoff 1951-9-2 701 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh, near the edge of a thicket. Comment
  CAS-BOT-BC115829  Carex subfusca John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC115832  Carex subfusca Peter Rubtzoff 1959-4-18 4034 Sonoma Laguna de Santa Rosa NE of Graton, ca. 0.5 mi N of Guerneville Road crossing. Comment
  CAS-BOT-BC350933  Carex tumulicola Peter Rubtzoff 1954-7-5 1541 Sonoma Guerneville Marsh. Comment
  UCR248871  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  CDA7003  Carthamus leucocaulos T. C. Fuller 1978-8-17 20253 Sonoma 1.6 km (1 mile) west of freeway exit, Highway 101, Asti. 0 Comment
  CLARK-A1528-2182  Carthamus tinctorius John C. Roos, Lucille Roos 1956-9-2 6599 Sonoma Healdsburg Comment
  JEPS74987  Castilleja ambigua subsp. ambigua T. I. and F. M. Chuang 1975-7-5 7518 Sonoma s side Pitkin Marsh Comment
  CAS-BOT-BC243776  Castilleja densiflora Barbara Keller 1990-4-30 1999 Sonoma Coleman Valley Road, 6 miles west of Occidental Comment
  SBBG68587  Castilleja densiflora subsp. densiflora H. E. and S. T. Parks 1930-5-7 632 Sonoma N end of Knight's Valley 106 Comment
  HSC82079  Castilleja exserta subsp. exserta Thomas W. Nelson, Jane P. Nelson 1980-5-3 5126 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  JEPS19395  Castilleja exserta subsp. exserta G. Thomas Robbins 1938-4-15 261 Sonoma 6-7 mi w Santa Rosa (along road to Graton) Comment
  SEINET12327823  Castilleja foliolosa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -078 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 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
  CAS-BOT-BC243851  Castilleja latifolia Ella Dales Cantelow 1938-5-7 2412 Sonoma 5 mi. N of Bodega Comment
  JEPS10644  Castilleja rubicundula subsp. lithospermoides W. L. Jepson 1921-6-3 9312 Sonoma Cotati Valley 28 Comment
  UC444863  Castilleja subinclusa subsp. franciscana Miss C. M. Hoak Aug 1912 Sonoma Monte Rio 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
  CAS-BOT-BC361351  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1071513  Ceanothus C. M. Belshaw 1936-3-8 1583 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa Quad. Comment
  CAS-BOT-BC48514  Ceanothus confusus Alice Eastwood 1923-5-9 11749 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC48519  Ceanothus confusus John Thomas Howell 1933-4-2 10937 Sonoma Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC48520  Ceanothus confusus Alice Eastwood 1915-6-6 4700 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC48522  Ceanothus confusus J. Clausen 1933-3-26 739 Sonoma Rincon Range east of Santa Rosa Comment
  UC107067  Ceanothus confusus A. E. Wieslander 1939-3-18 874 Sonoma Rincon Hills, S edge 121 Comment
  UCD111364  Ceanothus confusus Roger Raiche 1985-4-6 RR 50178 Sonoma W of Healdsburg, Dry Creek area, ridge W side of Dry Creek Valley and N of Dorman Canyon (N as far as Bradford Mt.) 243 Comment
  JEPS128184  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 006 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA339400  Ceanothus foliosus Roger Raiche 1985-4-6 50183 Sonoma Dry Creek area near Healdsburg, ridge W of Dry Creek Valley, unamed road N of Dorman Canyon on ridge. 244 Comment
  SEINET12211127  Ceanothus foliosus W. Knight, Knight, I. 1986-1 2317 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Road 853 Comment
  RSA300966  Ceanothus foliosus var. vineatus D. C. Michener 1982-7-26 4118 Sonoma Vine Hill School road, 100' west of Vine Hill school, lot west of residence 6096; north road bank between vineyard and road Comment
  UCD112131  Ceanothus foliosus var. vineatus Roman Gankin; W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School Road, 1/2 mile east of Vine Hill Road. Comment
  RSA0005484  Ceanothus foliosus var. vineatus H. E. McMinn 1936-4-5 4406 Sonoma West of Vine Hill School, ca. 10 miles west of Santa Rosa. Comment
  CAS-BOT-BC32739  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 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
  UC70430  Ceanothus gloriosus var. exaltatus Milo S. Baker 1898-4-2 24 Sonoma near Guerneville. Comment
  UC775008  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma 8.5 mi s Stewarts Point (at entrance to Salt Point Ranch, along coast.) Comment
  RSA276844  Ceanothus incanus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  UCD151304  Ceanothus integerrimus James A. Neilson Jr. 1974-7-31 3030 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  UCD36545  Ceanothus integerrimus Beecher Crampton 1954-4-26 1795 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  RSA181444  Ceanothus jepsonii James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  SJSU10888  Ceanothus jepsonii C. S. Wallen 1965-4-13 32 Sonoma 1 mile N of Jenner 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
  UCD112073  Ceanothus jepsonii P. Zinke 1949-6-14 64 Sonoma Divide between Ery Creek and Smith Creek. 457 Comment
  SEINET12211280  Ceanothus jepsonii var. albiflorus W. Knight, Schmidt, C. 1987-1 6060 Sonoma Bradford Mt. Road near Dorman Campon, W of Healdsburg 168 Comment
  CAS-BOT-BC126848  Ceanothus parryi D. E. Breedlove 1980-6-28 44798 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1299539  Ceanothus parryi Freed W. Hoffman 1947-5-30 521 Sonoma Layton Mine North Coast Ranges, Austin Creek (Austin Creek) Comment
  UCD170336  Ceanothus parryi D. O. Burge 2016-11-3 2195 Sonoma Mount Saint Helena, roadside on Ida Clayton Road. 600 Comment
  SBBG26768  Ceanothus sonomensis J. T. Howell 1935-5-5 Sonoma Triniti Mtn 2 mi NE of Glen Ellen Comment
  UC1281389  Ceanothus sonomensis H. E. McMinn 1941-4-27 5324 Sonoma Trinity road, Mt. Hood Range. Comment
  UCD112702  Ceanothus sonomensis Roman Gankin 1966-3-3 690 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  SEINET12210794  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4676 Sonoma Tilden Botanic Garden, Berkeley Comment
  UC1281390  Ceanothus sonomensis H. E. McMinn 1938-9-5 5254 Sonoma Mt. Hood Range, road from Warfield to Oaskville Comment
  CAS-BOT-BC277017  Centaurea iberica Maxine Wilkes 1929-7-1 s.n. Sonoma Santa Rosa Comment
  POM130634  Centaurium muehlenbergii A. A. Heller 1902-6-28 5793 Sonoma Between Knight s Valley and Mark West Springs. Comment
  JEPS79685  Centaurium trichanthum Nancy Harrison 1980-7-19 2143 Sonoma n of Kirby Lane (and e of s Wright Rd, air center property); Santa Rosa Comment
  UCD166457  Cerastium Peter Rubtzoff 1955-5-7 1826 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC251266  Cerastium Peter Rubtzoff 1959-6-20 4186 Sonoma Willow Creek Marsh. Comment
  UCD166455  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  JEPS77255  Cerastium glomeratum Robert M. Lloyd 1963-4-24 2394 Sonoma 13.8 mi. from State Hwy. 12 on rd. to Oakdale 365 Comment
  CAS-BOT-BC400228  Ceratophyllum demersum Peter Rubtzoff 1956-9-15 2908 Sonoma Atascadero Creek Marsh Comment
  CDA16230  Ceratophyllum demersum G. F. Hrusa, R. Gross 1998-2-15 14151 Sonoma Knights Valley; Foote Ranch. 0 Comment
  CAS-BOT-BC434183  Cercocarpus betuloides Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5393 Sonoma Pine Mt. Road Comment
  SEINET176827  Cercocarpus betuloides John T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC135421  Cercocarpus betuloides var. betuloides J. Clausen 1933-3-25 734 Sonoma Santa Rosa Creek Canyon, on south exposed slopes. 182 Comment
  UCD167341  Chamaemelum fuscatum James Neilson 1980-5-1 3427 Sonoma Mayacmas Mountains. about 1 mi. southwest of Geysers Resort off of Geysers-Healdsburg Rd. Ranch 1 mile south old Mercuryville. (Exact location unknown. Coordinates estimated by label maker. Neilson probably meant 1 mile north of old Mercuryville.) Comment
  CAS-BOT-BC279781  Chamaemelum fuscatum Jerry Parsons 1983-3-26 25 Sonoma 1/2 m off Highway 101, S of City of Santa Rosa Comment
  RSA432493B  Chamaesyce serpillifolia L. S. Rose 1935-9-11 35624 Sonoma 2 mi N of Healdsburg. 40 Comment
  UC73437  Chamaesyce serpyllifolia Miss Alice King Sept. 1896 Sonoma near Healdsburg Comment
  UC1242071  Cheilanthes intertexta Don Branscomb 1961-2-27 Sonoma 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-BC166742  Chenopodium Peter Rubtzoff 1968-9-21 5987 Sonoma Petaluma Creek at Stony Point Road, 4 miles northwest of Petaluma. Comment
  CAS-BOT-BC499262  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  POM169099  Chlorogalum pomeridianum var. pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian river. Comment
  HSC17260  Chorizanthe cuspidata var. villosa L. S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  SBBG32386  Chorizanthe cuspidata var. villosa L. S. Rose -Aug-1962 62077 Sonoma Bodega Pt 30 Comment
  SEINET4182881  Chorizanthe cuspidata var. villosa K. Brandegee s.n. Sonoma Sand Dunes, Bodega Point Comment
  CAS-BOT-BC173825  Chrysanthemum Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  JEPS38077  Chrysolepis chrysophylla Milo S. Baker Sep 1920 Sonoma near Gualala River mouth; Gualala River Comment
  UCD110110  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UC1193057  Chrysolepis chrysophylla var. minor R. H. Neuns 1950-5-23 114 Sonoma 2 mi w Cobb (on Cobb Mountain, on Sonoma-Lake County line); Cobb Mountain 1264 Comment
  RSA135376  Circaea alpina subsp. pacifica Volney Rattan 1877-6-13 s.n. Sonoma Guernville Comment
  CAS-BOT-BC173549  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma Hillside marsh above Shell Beach in Sonoma Coast State Beach area. Comment
  CAS-BOT-BC280002  Cirsium douglasii var. douglasii Ella Dales Cantelow 1941-6-7 3556 Sonoma 5.7 mi. n. of Fort Ross Comment
  SEINET11842966  Cirsium occidentale var. coulteri F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -197 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 830 Comment
  CAS-BOT-BC280362  Cirsium occidentale var. venustum Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC280374  Cirsium occidentale var. venustum Volney Rattan 1877-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC280535  Cirsium quercetorum Roxana S. Ferris 1932-5-27 8255 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC280536  Cirsium quercetorum John H. Thomas 1976-6-16 18277 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC280540  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC285751  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  JEPS35584  Cirsium remotifolium var. odontolepis L. R. Heckard 1964-6-11 1371 Sonoma about 4 mi nw of Cloverdale (along Calif. 28; just beyond Alder Glenn Springs) 213 Comment
  JEPS79728  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  CAS-BOT-BC285898  Cirsium vulgare John Thomas Howell 1930-6-8 5286 Sonoma 8.5 miles n. of Bodega Bay Comment
  UCD158719  Cirsium vulgare James A. Neilson Jr. 1974-7-31 3025 Sonoma Mayacmas Mountains. Roadside, near Little Geysers. 822 Comment
  CAS-BOT-BC438976  Cistanthe monosperma Annie F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  RSA800600  Citrullus lanatus Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. 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
  UC422846  Clarkia amoena Milo S. Baker 1904-6-20 Sonoma Sonoma Creek Canyon Comment
  UCSB15868  Clarkia amoena Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 0.9 mile northwest of U.S. Highway 101; at Cloverdale 106 Comment
  JEPS43699  Clarkia amoena Milo S. Baker 1923-7-30 141 Sonoma near Frederickson's-Iagua; North Coast Comment
  POM180690  Clarkia amoena subsp. amoena J. T. Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  SEINET3260630 Image available Clarkia amoena subsp. amoena Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15198 Sonoma Two miles North of Kellogg. Comment
  UC1072039  Clarkia amoena subsp. huntiana H. and M. Lewis 1947-6-15 434 Sonoma 3.7 mi s Fort Ross Historical Monument (Highway 1) Comment
  UCD160125  Clarkia concinna James A. Neilson Jr. 1973-6-6 2987 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  CAS-BOT-BC172204  Clarkia concinna Dorothy Scherer 1997-5-16 132 Sonoma Skaggs Springs Rd, south side, 10-11 mi. east of Hwy. 1 365 Comment
  UCSB4289  Clarkia concinna Haller, John 1960-5-28 Sonoma 2.5 miles northwest of US 101; 3.5 miles northwest of Cloverdale; on California 128 152 Comment
  UC1299414  Clarkia concinna subsp. concinna Freed W. Hoffman 1947-5-18 539 Sonoma Dutch Bill Creek North Coast Ranges Comment
  UCD104043  Clarkia davyi Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 30 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC107859  Clarkia gracilis subsp. sonomensis Michener and Bioletti 1893-6-10 37 Sonoma Glen Ellen Comment
  CAS-BOT-BC163132  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1945-7-4 17511 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC163143  Clarkia gracilis subsp. sonomensis Frank W. Hubby 1894-6-1 s.n. Sonoma Windsor Comment
  UC373497  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 19 Sonoma 1/2 mi s of road to Glen Ellen (Sonoma to Santa Rosa Highway) 30 Comment
  LA30762  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13692 Sonoma at 4551 Vine Hill Road, near Pitkin Marsh Comment
  JEPS128201  Claytonia gypsophiloides Roger Raiche 2000-5-4 067 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC486516  Claytonia gypsophiloides H. E. and S. T. Parks 1930-5-10 624 Sonoma Knights Valley Comment
  UC796638  Claytonia gypsophiloides Ira L. Wiggins 1949-4-30 12062 Sonoma 6.8 mi e Santa Rosa (on road to Calistoga) Comment
  CAS-BOT-BC439413  Claytonia gypsophiloides Hy Edwards; J. P. Moore 1877-3-1 s.n. Sonoma Skaggs Springs Comment
  RSA712417  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4252 Sonoma Cloverdale to Booneville rd. (Hwy. 128) 3.7 mi. NW of junction with Hwy. 101 near Cloverdale. Gravelly serpentine roadbank. Comment
  SEINET7075542  Claytonia parviflora A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  POM164089  Claytonia parviflora A. A. Heller 1902-3-16 s.n. Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC439637  Claytonia parviflora subsp. parviflora A. A. Heller; H. E. Brown 1902-3-20 5102 Sonoma Near Windsor Comment
  CAS-BOT-BC92746  Clematis ligusticifolia Volney Rattan 1877-6-24 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC92749  Clematis ligusticifolia Peter Rubtzoff 1970-8-31 6349 Sonoma Along bank of Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC499958  Clintonia andrewsiana Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC499960  Clintonia andrewsiana Peter Rubtzoff 1957-4-28 3293 Sonoma Sonoma County Marshes, Duncans Mills Marsh Area Comment
  SEINET12050384  Clintonia andrewsiana F. H. Utech 1988-1 88 -202 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  SEINET12050385  Clintonia andrewsiana F. H. Utech 1988-1 88 -213 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, Mile Marker 38.39 75 Comment
  UC55255  Clintonia andrewsiana Milo S. Baker 1899-5-1 Sonoma Green Valley near Gallager's; Green Valley Comment
  NY68258  Collinsia arvensis E. L. Greene 1892-4-20 s.n. Sonoma Knight's Valley. Comment
  CHSC43170  Collinsia grandiflora Jeffrey D. Prouty 1979-4-11 223 Sonoma Ca. 7 mi n of Santa Rosa. Grassy slope ca. 100 yds w of Mark West Springs Rd. ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  UC1032564  Collinsia heterophylla H. S. Yates 1934-4-22 3841 Sonoma 2 mi sw of Mark West 152 Comment
Read comments
Dec 13 2013
  HSC20622  Collinsia sparsiflora R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1335 Sonoma At Big Geysers Comment
  JEPS21814  Collinsia sparsiflora var. arvensis Alvin W. Urquhart 1958-4-13 21 Sonoma 2 mi e Glenn Ellen (Sonoma Mt. rd) 304 Comment
  RSA17714  Collinsia sparsiflora var. arvensis Elmer I. Applegate 1934-3-25 8850 Sonoma Sansal Creek, Pine Flat region, west slope Mayacama Mountains. Comment
  UC1238965  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-16 828 Sonoma near Guerneville (Road to Austin Ranch, headwaters of Fife Creek, North Coast Ranges); North Coast Ranges, headwaters of Fife Creek Comment
  CAS-BOT-BC506653  Collomia heterophylla Ann Howald 2015-4-28 3373 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 11.5 mi W of jct with Rockpile Rd, Warm Springs drainage 408 Comment
  UC1299534  Collomia heterophylla Freed W. Hoffman 1947-6-4 596 Sonoma Mill Creek Road to East Austin Creek; North Coast Ranges Comment
  POM193922  Collomia heterophylla J. T. Howell 1929-6-30 4317 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  RSA79067  Collomia heterophylla E. K. Balls, Lee W. Lenz 1952-5-8 17114 Sonoma 0.4 mi s. of Franz Valley Road along road from Mark West Springs to Kellogg 107 Comment
  RSA697153  Convolvulus luteolus var. saxicola J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC286003  Conyza bonariensis Walter Knight; Irja Knight 1963-12-25 491 Sonoma Cor. Marshall & Magnolia Aves., Petaluma Comment
  JEPS64349  Corallorhiza maculata Docia I. Patchett 1917-5-7 Sonoma Cazadero Rd near Williams Comment
  JEPS62601  Cordylanthus maritimus subsp. palustris T. I. Chuang with Fei-Mei Chuang 1970-7-26 6838 Sonoma U. C.. Biological Reserve w of Bodega Bay Comment
  SBBG33944  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  CDA41356  Cordylanthus pilosus G. D. Barbe 1989-8-4 4356 Sonoma East of Dan Galvin Park, east of Matanzas Creek off Bennett Valley Road, south of Annadel State Park, South Santa Rosa. 0 Comment
  JEPS20327  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1956-8-20 56152 Sonoma e Santa Rosa; Rincon Ridge 91 Comment
  JEPS6813  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1895-8-30 21340 Sonoma Petrified Forest Comment
  CAS-BOT-BC238224  Cordylanthus tenuis subsp. brunneus Greg de Nevers 1991-7-15 9758 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CDA30951  Cordylanthus tenuis subsp. brunneus D. G. Kelch, Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC238229  Cordylanthus tenuis subsp. brunneus Roger Raiche 1985-6-30 RR 50567 Sonoma Unnamed ridge on west side of Dry Creek Valley, north of Crane Creek and south of Bradford Mt. 274 Comment
  CAS-BOT-BC238232  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS33009  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1947-9-5 1251 Sonoma between Tyrone and Camp Meeker (Dutch Bill Creek) Comment
  UC1096792  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC1239007  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker (on serpentine island); North Coast Ranges Comment
  UC727699  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  CAS-BOT-BC101572  Corethrogyne filaginifolia Mary P. Wells 1981-7-2 s.n. Sonoma Unit 35A near Leeward Road, The Sea Ranch Comment
  CAS-BOT-BC249261  Cornus Peter Rubtzoff 1973-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  CAS-BOT-BC212292  Cornus glabrata Walter Knight; Irja Knight 1964-8-23 681 Sonoma corner Calistoga and Porter Creek Roads Comment
  RSA94342  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh. Comment
  CAS-BOT-BC210430  Cornus sericea G. DeNevers 1981-4-25 869 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  SACT002816  Corylus californica Herbert Copeland 1933-3-18 Sonoma Collected on roadside between Freestone and Sebastopol. Shrub 1 m tall. Comment
  UCD110093  Corylus cornuta subsp. californica J. M. Tucker 1951-6-26 2140 Sonoma Near summit of the range, beside road from Oakville to Glen Ellen. Comment
  CAS-BOT-BC287241  Cotula australis Greg de Nevers 1992-4-6 10097 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Rd. By steps at Bechtel House 475 Comment
  UC1112869  Cotula australis Milo S. Baker 1956-6-10 13094 a Sonoma Near Granero's Garden, Adobe Canyon Comment
  CAS-BOT-BC290297  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC290300  Cotula coronopifolia Peter Rubtzoff 1951-7-14 451 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  POM66993  Cotula coronopifolia Edward Palmer 1892-6-27 2400 Sonoma Petaluma. Comment
  CAS-BOT-BC368093  Crassula aquatica Greg de Nevers 1998-5-5 11227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC427652  Crassula aquatica Peter Rubtzoff 1974-5-11 7386 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  UCD101816  Crassula solieri Reid Moran; Chas. Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1 km E of Glen Ellen (Rt. 12, 0.5 km S of Arnold Drive.) 110 Comment
  RSA123352  Crataegus suksdorfii H. S. Yates 1934-4-21 3783 Sonoma Near Bodega. 61 Comment
  RSA155431  Crataegus suksdorfii L. S. Rose 1962-6-1 62066 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  RSA94350  Crataegus suksdorfii Peter Rubtzoff 1952-5-10 1015 Sonoma Pitkin Marsh, near Forestville; Lower part of the upper Marsh, in an open marshy area Comment
  CAS-BOT-BC173648  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UCD142044  Croton setiger Frederica Bowcutt 1994-6-24 1886 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. Lower Bald Mountain trail. 426 Comment
  SEINET11686587  Crypsis W. Knight, Knight, I.; Edwards, S. W. 1984-1 5041 Sonoma along Willow Creek between Denman Flat & Corona Road, near Petaluma Comment
  CAS-BOT-BC190145  Crypsis schoenoides Greg de Nevers 1992-10-15 10252 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  CAS-BOT-BC190146  Crypsis schoenoides Peter Rubtzoff 1987-9-27 9855 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC366890  Crypsis schoenoides Greg de Nevers 1997-9-29 11098 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCD59946  Crypsis schoenoides David L. Morgan 1960-8-1 s. n. Sonoma 1/2 mile south of Penngrove on Hwy. 101. Willow Creek. Comment
  UC857111  Cryptantha flaccida Milo S. Baker 1936-1-1 8607 Sonoma Sulphur Creek Canyon Highway, near mouth of canyon Sulphur Creek Canyon Comment
  UC280368  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma Santa Rosa Creek Canyon Comment
  UC66  Cupressus macnabiana W. H. Brewer 1861-11-9 863 Sonoma near the Little Geysers Comment
  UCD133535  Cupressus macnabiana Jo Ann Olson; Gary R. Robbins 1969-3-1 9 Sonoma On Cavedale Road, 1 mile southwest of Mt. Veeder. 609 Comment
  CAS-BOT-BC85470  Cupressus sargentii C. Best 1987-5-2 s.n. Sonoma Harrison Grade Road. 2 miles north of Occidental Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  CAS-BOT-BC85475  Cupressus sargentii Roxana Stinchfield Ferris; L. Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  RSA178042  Cupressus sargentii Robert F. Thorne 1965-4-19 34281 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 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
  UC1042318  Cuscuta obtusiflora var. glandulosa John Thomas Howell 1946-8-17 22851 Sonoma n of Sebastopol; The Laguna Comment
  CAS-BOT-BC182777  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton Comment
  RSA66916  Cynoglossum grande E. K. Balls 1951-5-3 16407 Sonoma Maacama (Miyakama) Creek, 2mi. from turn-off to Geyserville, from Petrifird Forest, Hwy 28, 610 Comment
  UCD119158  Cynoglossum grande Frederica Bowcutt; Kate Mawdsley 1996-3-24 2090 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
  POM202745  Cynoglossum grande I. L. Wiggins 1932-3-12 5760 Sonoma Between Franz Valley and Knight s Valley. Comment
  SEINET12329798  Cynoglossum grande I. Knight, Knight, W.; Edwards, S. 1986-1 5350 Sonoma along trail to summit of Geyser Peak 853 Comment
  CAS-BOT-BC190428  Cynosurus echinatus John H. Thomas 1976-6-18 18359 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  CAS-BOT-BC190435  Cynosurus echinatus Mary P. Wells 1984-5-24 268 Sonoma Annadel State Park Santa Rosa. Comment
  CAS-BOT-BC190436  Cynosurus echinatus Barrett Anderson 1987-4-27 3475 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  SD56797  Cynosurus echinatus D. F. Howe 1963-5-23 3527 Sonoma 3.8 miles north of Cloverdale on #128 334 Comment
  UCR218630  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16205 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  UCD60175  Cynosurus echinatus R. Tofsrud 1948-5-1 s. n. Sonoma Northeast Sonoma County. Comment
  JEPS86770  Cyperus eragrostis Jack and Betty Guggolz 1990-6-18 1068 Sonoma ca. 12 km. e. Healdsburg (Ferrari-Carano Ranch, Maacamas Creek) 70 Comment
  CAS-BOT-BC113907  Cyperus niger var. capitatus John Thomas Howell 1945-8-14 21412 Sonoma Perry marsh Comment
  CAS-BOT-BC435192  Cypselea humifusa Peter Rubtzoff 1969-8-24 6145 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  CAS-BOT-BC189801  Dactylis glomerata Peter Rubtzoff 1962-6-19 4926 Sonoma Occidental Marsh. Comment
  UCD60289  Dactylis glomerata David L. Morgan 1961-4-26 s.n. Sonoma 6 mi. SW of Petaluma on Wilson Hill Rd., near junction of Petaluma--Pt. Reyes Rd. Comment
  UCD60299  Dactylis glomerata Virginia Bufford 1936-5-22 403 Sonoma Highway 1--2 mi. north of Stewarts Point. Comment
  CAS-BOT-BC445552  Damasonium californicum Peter Rubtzoff 1970-6-6 6255 Sonoma At Marin County line on Tomales-Petaluma Road. Comment
  CAS-BOT-BC192267  Danthonia californica A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point Comment
  UCR280139  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  RSA126872  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1.5 miles northeast of Graton 30 Comment
  UCD60685  Danthonia californica var. americana P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD60684  Danthonia californica var. americana Beecher Crampton 1954-5-9 1838 Sonoma 4 miles west of Calistoga. Comment
  UC26120  Datura stramonium J. Burtt Davy Aug. 1896 4133 Sonoma Russian River Station U.P.C.R. Comment
  CAS-BOT-BC154138  Datura stramonium var. tatula Peter Rubtzoff 1951-8-5 593 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  RSA470792  Daucus pusillus D. D. Keck, J. Clausen 1935-6-15 3372 Sonoma 1 mile north of Salmon Creek Comment
  UCR279606  Deinandra corymbosa Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh 2 Comment
  SD134023  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural [preserve, 3500 Franz Valley Road, Santa Rosa. 99 Comment
  RSA31776  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  UCSB31450  Delphinium hesperium Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  CAS-BOT-BC10126  Delphinium luteum Mary Hallett 1927-4-1 s.n. Sonoma Graton Comment
  CAS-BOT-BC10128  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma On State Highway #1, a mile or so east of Bodega Bay Comment
  RSA59837  Delphinium luteum Joseph A. Ewan 1935-5-12 9229 Sonoma 1.5 miles west of Bodega, on Bodega Bay Road Comment
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  CAS-BOT-BC8001  Delphinium nudicaule J. H. Thomas 1955-5-22 5186 Sonoma About 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 365 Comment
  UC635362  Delphinium nudicaule H. L. Mason 1930-6-1 5643 Sonoma mouth Gualala River Comment
  CAS-BOT-BC8014  Delphinium nudicaule Elsa G. Ruckert 1960-3-23 41 Sonoma Triniti Road, 0.75 mi. from junction of Highway 12 243 Comment
  UC1126084  Delphinium variegatum H. S. Yates 1934-4-22 3848 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  CAS-BOT-BC7768  Delphinium variegatum A. A. Heller; H. E. Brown 1902-4-16 5310 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC7773  Delphinium variegatum J. P. Moore s.n. Sonoma Knight Valley Comment
  CAS-BOT-BC7763  Delphinium variegatum subsp. variegatum Milo S. Baker 1928-4-10 2987 a Sonoma Bennett Val. Comment
  CDA23056  Dendromecon rigida D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .266 Sonoma Cavedale Rd. Comment
  RSA6527  Dendromecon rigida Jens Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield on the road to Oakville, on the Youngman Ranch 91 Comment
  UC1126379  Dendromecon rigida J. B. Spring 1932-7-7 96 Sonoma 2/5 mi sw Veeder Mountain; Napa Quadrangle 609 Comment
  UCD136322  Dendromecon rigida M. Rei Scampavia Evangelista 2012-5-20 9 Sonoma Cazadero. Cook House Site at The Cedars. 262 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
  CAS-BOT-BC192605  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1947-6-5 23245 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC192606  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC227667  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1971-6-25 6571 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  UCD63798  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4334 Sonoma Sonoma Coast State Park, along State Hwy. 1, 1.3 miles north of Salmon Creek. Comment
  SEINET10662640  Deschampsia danthonioides P. Rubtzoff 1969-6-14 Rubtzoff 6084 Sonoma 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  CAS-BOT-BC201973  Deschampsia elongata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 15 miles west of Hwy. 101 Comment
  RSA785843  Deschampsia elongata Peter Rubtzoff 1971-6-25 6560 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCD63564  Deschampsia elongata Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh. Comment
  UCD63716  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar Ranch. Comment
  SEINET3927657  Deschampsia holciformis Fred W. Hoffman 1943-5-9 2204 Sonoma Bodega Park, Sonoma Coast.; 0 Comment
  CAS-BOT-BC208930  Dichanthelium acuminatum subsp. acuminatum Peter Rubtzoff 1951-6-30 295 Sonoma Western branch of NE Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC209246  Dichanthelium acuminatum subsp. acuminatum Leo Koch 1938-6-12 311 Sonoma Pitkin Marsh about 10 miles west of Santa Rosa Comment
  CAS-BOT-BC254479  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1945-7-18 21322 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC221146  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 e Sonoma The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called The Outlaw) or otherwise thermal no. 10 (Thermal Power co.), N.E. Sonoma County 493 Comment
  JEPS85586  Dichanthelium acuminatum subsp. thermale Rick York, Sally de Becker, Laurie Wickenheiser, and Joe O'Hagan 1990-7-24 90 -1 Sonoma s Little Geysers Creek (The Little Geysers); Whispering Pines Quad., Geysers Region, The Little Geysers Comment
  UC353870  Dichelostemma capitatum Milo S. Baker 1927-7-3 2288 a Sonoma near Cobb Mt. top; Cobb Mt. Comment
  CAS-BOT-BC502218  Dichelostemma capitatum Dorothy Scherer 1996-4-26 038 Sonoma Along Fort Ross road ca 800' west of Seaview Road, Fort Ross State Historic Park 457 Comment
  SEINET7067346  Dichelostemma capitatum subsp. capitatum A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  UCD148240  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-29 2901 Sonoma 0.6 mi E of Occidental, at jct Occidental Rd and Facendini Lane. 262 Comment
  POM169356  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-14 5065 Sonoma Near Windsor Comment
  UC1300926  Dichelostemma congestum Helen K. Sharsmith 1963-5-25 5483 Sonoma on road from Freestone to Occidental; San Francisco Bay Region 121 Comment
  UCD55137  Dichelostemma congestum Ellen Dean; Tammie Beyerl 2006-4-28 3019 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  JEPS79159  Dichelostemma multiflorum Nancy Harrison 1980-5-16 2124 Sonoma s of Piner Elementary School; Santa Rosa Comment
  RSA788365  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest hills (5.5 mi E of Guerneville). Comment
  RSA788367  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  CAS-BOT-BC152043  Diplacus aurantiacus Peter Rubtzoff 1952-6-11 1247 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC331485  Distichlis Peter Rubtzoff 1970-7-17 6285 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC331486  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road 0.8 miles southeast of Bodega Highway (Two Rock church). Comment
  UCD64362  Distichlis spicata Collector Unknown 1941-9-1 154 Sonoma Near mouth of Walker Cr. by Tomales Bay. Comment
  HSC17868  Dodecatheon hendersonii R. F. Good 1962-4-20 23 Sonoma 2 mi. W of Petaluma on D St. Extension toward Pt. Reyes: Sonoma Mtn. Coastal Range 46 Comment
  JEPS19381  Downingia concolor var. concolor G. Thomas Robbins 1938-5-19 265 Sonoma sw of Santa Rosa (Stony Point Road, near The Lagunas) Comment
  POM59149  Downingia concolor var. concolor A. A. Heller, H. E. Brown 1902-6-2 s.n. Sonoma Santa Rosa. Comment
  SD108305  Downingia concolor var. concolor Walter Knight, Irja Knight 1980-5-12 Sonoma 0.5 mile south of junction of highways 116 and 121 in Sonoma Valley. Comment
  UC76661  Downingia concolor var. concolor Miss M. Alice King May 1897 Sonoma Comment
  UCD164686  Downingia cuspidata Peter Rubtzoff; Tim Tunison, Nancy Harrison 1976-6-5 8581 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS26984  Downingia pusilla Milo S. Baker 1927-5-8 2114 Sonoma near Bennett Valley Road summit Comment
  LA208036  Drymocallis glandulosa John Thomas Howell; 1930-6-8 5289 Sonoma 8.5 mi. N of Bodega Bay Comment
  UCD113045  Drymocallis glandulosa Frederica Bowcutt 1994-6-12 1842 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 Sonoma Creek near trailhead for Hillside trail. 381 Comment
  POM179770  Drymocallis glandulosa var. wrangelliana J. T. Howell 1930-6-8 5255 Sonoma 1 mile east of Bodega Bay Comment
  POM35446  Drymocallis glandulosa var. wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross. Comment
  CAS-BOT-BC71012  Dryopteris arguta John H. Thomas 1976-6-18 18361 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC71015  Dryopteris arguta D. E. Breedlove 1980-6-28 44813 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCR222528  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-5 16249 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  POM188329  Dryopteris arguta Marcus E. Jones 1931-7-5 29172 Sonoma West of Cloverdale. Comment
  UC2031938  Dryopteris expansa Wendy A. Born and Barbara Lee 2009-3-23 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC536737  Duchesnea indica Peter Rubtzoff 1987-5-3 9763 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Weed in shade of trees at 10781 River Drive. Comment
  SEINET7067251  Dudleya caespitosa A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC428183  Dudleya cymosa subsp. cymosa John Thomas Howell 1932-10-9 10814 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC213758  Dudleya eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UCD164337  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176367  Echinochloa crus-galli Peter Rubtzoff 1955-8-7 2031 Sonoma Guerneville Marsh. Comment
  UC1011034  Echinochloa crus-pavonis Virginia Bufford 1935-10-13 84 Sonoma Bellevue Rd at Redwood Highway Comment
  CDA1632  Egeria densa K. Meehan 1974-7-23 Sonoma Cattle pond on Agua Caliente Creek, 1/4 mile from the end of Norrbom Road. 0 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
  JEPS128356  Ehrharta erecta Roger Raiche 2000-4-23 049 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD165782  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  SJSU5984  Eleocharis acicularis C. W. Sharsmith 1972-6-24 7797 Sonoma Forestville Marsh c, 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  UC1814  Eleocharis macrostachya F. T. Bioletti 1893-6-5 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC112662  Eleocharis parvula Peter Rubtzoff; Vanette Bunyan 1973-8-25 7257 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112072  Eleocharis quinqueflora Peter Rubtzoff 1951-8-5 596 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112200  Eleocharis radicans Peter Rubtzoff 1965-8-22 5619 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  UCD49738  Eleocharis rostellata P. G. Connors 1991-5-24 111 Sonoma Location: BMR. Comment
  CAS-BOT-BC249275  Elodea canadensis Peter Rubtzoff 1970-8-19 6336 Sonoma Austin Creek, 0.5 miles north of Cazadero Comment
  JEPS45815  Elymus californicus Eleanor Armstrong 1932-5-23 167 Sonoma 1 mi w of Camp Meeker (near coast) 91 Comment
  UC1146595  Elymus californicus Freed W. Hoffman 1943-5-19 2202 Sonoma North Coast Ranges, Sonoma Coast, Russian Gulch Russian Gulch; North Coast Ranges, Sonoma Coast, Russian Gulch Comment
  UCD61803  Elymus glaucus Beecher Crampton 1959-6-16 5377 Sonoma 1 mile E of Occidental. Comment
  UCD62314  Elymus glaucus Freed W. Hoffman 1941-6-15 2145 Sonoma Between Fort Ross and Jenner. Comment
  RSA129232  Elymus glaucus H. S. Yates 1937-6-5 6574 Sonoma 3 miles S.S.E. of Wildwood; Santa Rosa 122 Comment
  CAS-BOT-BC203713  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1174 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  RSA129275  Elymus glaucus subsp. jepsonii H. S. Yates 1937-6-6 6580 Sonoma 8 miles S. W. of Healdsburg 152 Comment
  CAS-BOT-BC376326  Elymus stebbinsii Greg de Nevers 1993-8-7 10479 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC483680  Epilobium brachycarpum Milo S. Baker 1931-9-13 5565 Sonoma near Kenwood; Clifton Hawkins Ranch Comment
  UC582992  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-7 14307 Sonoma six mi n Bodega (edge of road) Comment
  CAS-BOT-BC262974  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1607 Sonoma Guerneville Marsh. Comment
  UCR248906  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5865 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh 6 Comment
  UC873152  Epilobium densiflorum Lewis S. Rose 1938-9-11 38252 Sonoma dry ditch Bloomfield 30 Comment
  UCD166300  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC262787  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  JEPS128200  Epilobium minutum Roger Raiche 2000-5-4 068 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC762773  Epilobium minutum R. F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  RSA784480  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC210084  Equisetum Peter Rubtzoff 1963-8-17 5234 Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC164075  Equisetum X ferrissii Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC57127  Equisetum X ferrissii Mary P. Wells 1984-7-20 389 Sonoma East bank South Fork Gualala River, opp. the Hot Spot, the Sea Ranch Comment
  CAS-BOT-BC57043  Equisetum arvense Peter Rubtzoff 1951-6-30 300 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC164076  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  CAS-BOT-BC176180  Equisetum laevigatum Peter Rubtzoff 1953-5-18 1415 Sonoma Vacation Beach, near Guerneville. Comment
  UCD135453  Equisetum laevigatum Christine Lee 1993-4-24 105 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 0.25 miles from Brushy Creek fork. 396 Comment
  CAS-BOT-BC57644  Equisetum telmateia John H. Thomas 1976-6-16 18293 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC57646  Equisetum telmateia Peter Rubtzoff 1960-5-16 4354 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC57654  Equisetum telmateia J. W. Congdon 1880-4-13 s.n. Sonoma Santa Rosa Road Comment
  CAS-BOT-BC57648  Equisetum telmateia Peter Rubtzoff 1952-6-15 1257 Sonoma Forestville Marsh Comment
  UCD135948  Equisetum telmateia subsp. braunii J. M. Tucker; C. H. Lamoureux 1958-6-8 3407 Sonoma Beside State Highway 12, 1.6 miles southeast of center of Guerneville. Comment
  UC576297  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa; Santa Rosa Quad. 60 Comment
  UCD148411  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Comment
  UCD62972  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa. Comment
  CAS-BOT-BC213573  Eragrostis hypnoides Peter Rubtzoff 1961-8-25 4718 Sonoma Forest Hills, east of Guerneville, bottom of Russian River Comment
  CAS-BOT-BC182752  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1953-11-1 1442 Sonoma Vacation Beach, near Guerneville. Comment
  UCD63537  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma Near Guerneville. Comment
  RSA785230  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  CAS-BOT-BC164645  Erechtites minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  RSA696823  Erigeron glaucus J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay region Comment
  CAS-BOT-BC214552  Erigeron philadelphicus Peter Rubtzoff 1951-7-28 553 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC224149  Eriodictyon californicum Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 mi north of Occidental Comment
  CAS-BOT-BC224153  Eriodictyon californicum Walter Knight; Irja Knight 1963-12-27 469 Sonoma Summit, Pine Flat Rd. Comment
  UC1193343  Eriodictyon californicum R. H. Neuns 1950-4-28 97 Sonoma 8 mi e Cloverdale; Quad. 60B3 640 Comment
  SEINET12327812  Eriodictyon californicum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -075 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 107 Comment
  SEINET5501281 Image available Eriodictyon californicum Sally Walker 1981-5-13 Sonoma 2 mi E of Occidental Comment
  UCD119246  Eriodictyon californicum Frederica Bowcutt 1994-6-25 1918 Sonoma 670 Comment
  UCSB5266  Eriodictyon californicum Keator, Glenn 1959-4-2 Sonoma 3.4 miles east of Cavedale road and 4.5 miles from Agua Caliente Comment
  CAS-BOT-BC259261  Eriogonum latifolium Alice Eastwood 1915-6-29 4882 Sonoma Bodega Point Comment
  UC534933  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma 2 mi n Bodega Comment
  UC6345  Eriogonum latifolium Harley P. Chandler 1900-5-25 699 Sonoma Bodega Bay Comment
  POM225753  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 miles north of Bodega Comment
  SEINET6894807  Eriogonum latifolium W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross. Comment
  CAS-BOT-BC259466  Eriogonum luteolum R. D. Stone 1983-6-14 539 Sonoma Headwaters of Squaw Cr. drainage, S-facing slope ca. 1.2 mi. NW of Geyser Rock 1005 Comment
  CAS-BOT-BC259471  Eriogonum luteolum John Thomas Howell 1932-9-18 10785 Sonoma Field bordering Sonoma Creek where it enters the level of Sonoma Valley Comment
  CAS-BOT-BC259485  Eriogonum luteolum Gladys L. Smith 1961-9-6 1453 Sonoma Road shoulder near P.G.&E. power house, Geysers 822 Comment
  CAS-BOT-BC259486  Eriogonum luteolum H. D. Geis 1902-8-1 s.n. Sonoma Unspecified Comment
  UC1299730  Eriogonum luteolum var. luteolum Freed W. Hoffman 1947-9-11 1375 Sonoma Spring Mountain road to St. Helena Comment
  UC85726  Eriogonum luteolum var. luteolum Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  UCD168058  Eriogonum nervulosum James Neilson 1978-6-17 3969 Sonoma Mayacmas Mountains, east of Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UC196695  Eriogonum nudum var. auriculatum Miss C. M. Hoak 1912-8-8 Sonoma Monte Rio Comment
  CAS-BOT-BC261695  Eriogonum nudum var. nudum Peter Rubtzoff 1952-6-10 1246 Sonoma Resort at east base of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC261696  Eriogonum nudum var. nudum Peter Rubtzoff 1951-8-26 676 Sonoma South of Guerneville (Neeley Hill area) Comment
  UCD100592  Eriogonum nudum var. nudum Frederica Bowcutt 1994-6-25 1907 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. About 1/4 N of Vista Trailhead along Gray Pine Trail, large road cut adjacent to Gray Pine Trail immediately E of Sonoma Creek. 414 Comment
  CAS-BOT-BC253068  Eriogonum roseum Helen D. Geis 1902-8-1 s.n. Sonoma Russian River bed Comment
  UCD101270  Eriogonum ternatum Roger Raiche 1984-6-23 RR 40234 Sonoma The Cedars, 5 miles N of Cazadero on King Ridge Road, headwaters of Big Austin Creek. Above tributary creek referred to locally as Azalea Creek (NE fork before Layton Mine bldgs.) 548 Comment
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Oct 17 2013
  SEINET11933965  Eriogonum ternatum Unknown 1984-1 40235 Sonoma The Cedars,N of Cazadero, headwaters of East Austin Creek, area called Red Slide 549 Comment
  SEINET11933974  Eriogonum ternatum Unknown 1985-1 50716 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek, near Layton mine site 372 Comment
  SD133986  Eriogonum vimineum Greg de Nevers 1986-9-10 8110 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 99 Comment
  CAS-BOT-BC262394  Eriogonum vimineum R. D. Stone 1983-6-13 533 Sonoma In headwaters of Squaw Cr. drainage, ca. 1.2 mi. WNW of Geyser Rock 975 Comment
  CAS-BOT-BC301158  Eriophyllum lanatum var. achilleoides Peter Rubtzoff 1952-6-1 1131 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  CAS-BOT-BC301160  Eriophyllum lanatum var. achilleoides G. DeNevers 1981-5-23 1258 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC301276  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1933-9-3 33354 Sonoma 2 miles w. of Petrified Forest Comment
  CAS-BOT-BC301281  Eriophyllum lanatum var. arachnoideum L. Constance 1938-4-24 2157 Sonoma Russian Gulch, 8 miles south of Fort Ross 121 Comment
  CAS-BOT-BC301298  Eriophyllum lanatum var. arachnoideum Peter Rubtzoff 1952-6-3 1151 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  JEPS41003  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1963-6-3 64057 Sonoma n end Bodega Bay (coastal bluffs) Comment
  UC1301027  Eriophyllum lanatum var. arachnoideum Helen K. Sharsmith 1963-5-25 5477 Sonoma on road from Freestone to Occidental; San Francisco Bay region 121 Comment
  UC31670  Eriophyllum lanatum var. arachnoideum Harley P. Chandler 1900-5-25 694 Sonoma Bodega Bay Comment
  POM256520  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma Jansen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  POM358137  Eriophyllum staechadifolium Christopher Davidson 1977-6-17 5886 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  UC472267  Eriophyllum staechadifolium Miss C. M. Hoak 1912-8-1 Sonoma Comment
  UC66139  Erodium botrys A. A. Heller 1902-4-9 5239 Sonoma Healdsburg Comment
  JEPS17450  Eryngium armatum W. L. Jepson 1921-6-3 9309 Sonoma s. Sonoma Co., Cotati Valley, Wilfred Sta. 27 Comment
  UCD150837  Eryngium armatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  POM259278  Eryngium armatum J. T. Howell 1938-7-3 13947 Sonoma Stony Point. Comment
  CAS-BOT-BC153623  Erythranthe inodora Peter Rubtzoff 1955-7-9 1945 Sonoma Forestville Marsh Comment
  SEINET8255128  Erythranthe microphylla Unknown 1940-5-21 25883 Sonoma Route 28. 183 Comment
  CAS-BOT-BC110557  Eschscholzia John H. Thomas 1969-4-28 14929 Sonoma Duncan's Mill between the coast and Guerneville. Comment
  UC1126388  Eschscholzia caespitosa E. Armstrong 1934-3-26 922 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle 91 Comment
  CAS-BOT-BC402865  Eschscholzia caespitosa Catherine Best 1982-4-17 s.n. Sonoma Bohemian Hwy about 5 miles north of Occidental Comment
  CAS-BOT-BC402866  Eschscholzia caespitosa Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC403695  Eschscholzia californica J. Clausen 1935-5-24 1096 Sonoma 6.5 mi. S. of Jenner, on the Bodega road Comment
  UC1299665  Eschscholzia californica Freed W. Hoffman 1947-6-4 530 Sonoma Red Slide North Coast Ranges, East Austin Creek (headwaters of creek) Comment
  UCD158788  Eschscholzia californica James A. Neilson Jr. 1974-6-1 2882 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CAS-BOT-BC403696  Eschscholzia californica F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  SD58246  Euonymus occidentalis Harry K. Roberts 1959-5-18 Sonoma On Louis Giovanni ranch in the first canyon south of ranch house, Green Valley, northwest of Sebastopol. Comment
  UC1010408  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek); Jonive Creek Comment
  JEPS22971  Euonymus occidentalis var. occidentalis Harry K. Roberts 1959-5-18 Sonoma n.w. Sebastopol (Louis Giovanni ranch, first canyon s. of ranch house); Green Valley, Louis Giovanni ranch Comment
  CAS-BOT-BC202539  Euphorbia Peter Rubtzoff 1978-9-10 9265 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on So. Fitch Mtn. Road Comment
  CAS-BOT-BC294703  Euphorbia Peter Rubtzoff 1973-8-20 7227 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente 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
  UCR2752541  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma North Coast Range, Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road 37 Comment
  UCD158779  Eurybia radulina James A. Neilson Jr. 1974-8-19 2850 a Sonoma Mayacmas Mountains, Geyser Rock. West of Whispering Pines, in the vicinity of the boundary line of Sonoma and Lake Counties. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  JEPS32366  Euthamia occidentalis W. L. Jepson 1921-9-12 9484 Sonoma south side of Alexander Valley Alexander Valley 45 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-BC371457  Festuca Greg de Nevers 1989-4-1 9062 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC376407  Festuca Greg de Nevers 1997-6-7 11019 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the Oak Hill Ranch burned area. 400 Comment
  UCR248729  Festuca arundinacea Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UC1146665  Festuca californica Freed W. Hoffman 1947-5-30 1698 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UCD151103  Festuca californica James A. Neilson Jr. 1973-6-3 2961 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
  UCD161372  Festuca californica James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  UC1011029  Festuca elmeri Virginia Bufford 1936-5-20 315 Sonoma 5 mi from Mark West (Mark West Rd) 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
  UCD66328  Festuca rubra P. B. Kennedy 1918-5-28 Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  CAS-BOT-BC354075  Filago Peter Rubtzoff 1971-6-5 6520 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA0045169  Filago pyramidata Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 91 Comment
  SBBG2924  Fragaria chiloensis H. and M. Dearing 1939-5-14 3357 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD16109  Fragaria chiloensis I. Coats 1983-5-17 26 Sonoma California. Sonoma County: Hwy 1, 4.3 mi N of the entrance to Salt Point State Park. 21 Comment
  UCD112526  Frangula californica Frederica Bowcutt 1994-6-24 1899 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 Vista Trail about between Headwaters Trail and Gray Pine Trail. 457 Comment
  UCSB22888  Frangula californica subsp. californica Von Grafen, Helen 1928-8-20 Sonoma No data Comment
  CAS-BOT-BC217874  Fraxinus latifolia Greg de Nevers 1987-4-25 8162 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CDA29319  Fraxinus latifolia D. G. Kelch 2007-10-16 7 .644 Sonoma Novato. Novato Creek nr Pioneer Park. 0 Comment
  UC843892  Fritillaria affinis Alice Eastwood 1918-5-1 6858 Sonoma Mount St. Helena Comment
  JEPS83496  Fritillaria liliacea Jack and Betty Guggolz 1986-3-16 859 Sonoma California Comment
  UC3632  Fritillaria recurva Jepson 1893-5-5 Sonoma Mount St. Helena Comment
  CAS-BOT-BC508137  Fritillaria recurva Michener; Bioletti 1893-3-1 s.n. Sonoma Mt. Hood Comment
  RSA264725  Galium aparine Peter Rubtzoff 1955-5-21 1862 Sonoma Forestville Marsh. Comment
  UCR222567  Galium aparine George K. Helmkamp, E. A. Helmkamp 2010-6-4 16236 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  JEPS6686  Galium californicum subsp. californicum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville; Russian River Comment
  UC1348904  Galium porrigens var. porrigens Robert F. Thorne 1965-4-19 34284 Sonoma on Stoetz Road near county dump (off Harrison Grade, ca 2 mi nne of Occidental) 182 Comment
  UC28229  Galium tricornutum F. T. Bioletti 1890-1 Sonoma Comment
  UC495528  Galium triflorum Merle Randall 1930-6-7 Sonoma Cazadero 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
  JEPS117099  Gamochaeta pensylvanica Peter Warner 2010-7-12 177 Sonoma Jenner Headlands, main dirt road, about 300 m W of jct. with east ridge road to Parmeter Ranch, on ungraded roadside. Comment
  CAS-BOT-BC303507  Gamochaeta ustulata Walter Knight; Irja Knight 1963-8-13 316 Sonoma Horseshoe Cove Comment
  UCD165160  Gamochaeta ustulata Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC303494  Gamochaeta ustulata G. DeNevers 1981-5-5 946 Sonoma Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden Comment
  CAS-BOT-BC303499  Gamochaeta ustulata John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  UCD121107  Garrya elliptica W. Robert Powell 1978-6-22 2695 Sonoma Along State Highway 1 at Miller Creek, ca. 1 mile southwest of Plantation. 15 Comment
  HSC39063  Garrya fremontii Gary S. Lester 1974-2-9 66 Sonoma Along Trinity Rd. 549 Comment
  HSC8393  Garrya fremontii S. N. Wiemeyer 1962-1-28 5 Sonoma 3/4mi E of County Hospital along Chanate Rd. 213 Comment
  CAS-BOT-BC278687  Gastridium phleoides L. Koch 1938-6-12 312 Sonoma Barbour Home. Ranch four mi. n. of Santa Rosa along Redwood Hgwy. Comment
  CAS-BOT-BC278693  Gastridium phleoides Peter Rubtzoff 1961-8-22 4692 Sonoma Fife Creek Marsh Comment
  HSC101100  Gastridium phleoides Peter Warner 2011-8-10 229 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  UC1023580  Gastridium ventricosum Virginia Bufford 1936-5-21 361 Sonoma Geysers-Cloverdale Rd. Comment
  UC571061  Gaultheria shallon H. L. Mason 1928-4-8 4294 Sonoma 2 mi n of Fort Ross (along coast) Comment
  SBBG3921  Geranium dissectum H. and M. Dearing 1939-5-14 3360 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  SDSU7330  Geranium dissectum D. F. Howe 1963-5-22 3520 Sonoma 14 miles south of Santa Rosa on #12. 122 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
  RSA74043  Gilia capitata Anonymous 1947-5-30 11776 Sonoma ca 2 mi NE of Occidental along Harrison grade Comment
  SEINET7067347  Gilia capitata A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  SEINET12329984  Gilia capitata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -229 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC225279  Gilia capitata subsp. chamissonis Peter Rubtzoff 1960-5-18 4384 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC226166  Gilia capitata subsp. tomentosa Alice Eastwood 1915-6-29 4826 Sonoma Bodega Point Comment
  CAS-BOT-BC226171  Gilia capitata subsp. tomentosa A. A. Heller 1940-5-17 15631 Sonoma Immediately east of Bodega Bay on State Highway #1 Comment
  SJSU8210  Glaux maritima W. Savage 1976-7-16 1104 Sonoma on Chas. Gambonini Ranch by Schultz Slough c. 5 km SE of Petaluma 1 Comment
  UCD148471  Glyceria Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  UCSB45536  Glyceria elata Roos, John 1955-7-2 Sonoma Miller Ridge Comment
  UCR282047  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh 269 Comment
  SJSU6044  Glyceria occidentalis C. W. Sharsmith 1972-6-24 7800 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  UCR244672  Glyceria occidentalis Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa 24 Comment
  CAS-BOT-BC166684  Gnaphalium Peter Rubtzoff 1962-9-30 5103 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  UCD165005  Gnaphalium Peter Rubtzoff; Nancy Harrison 1974-9-7 7883 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166689  Gnaphalium Peter Rubtzoff 1965-11-9 s.n. Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166916  Gnaphalium chilense Peter Rubtzoff 1962-6-21 4936 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  JEPS34012  Gnaphalium palustre Willis L. Jepson 1892-8-7 14749 Sonoma near Cloverdale (valley of the Russian River); Russian River Comment
  CAS-BOT-BC166782  Gnaphalium palustre Peter Rubtzoff 1969-10-29 6202 Sonoma River Road, 3 miles west of Fulton. Comment
  CDA6005  Gnaphalium purpureum T. C. Fuller 1958-5-24 3985 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC164671  Gnaphalium purpureum Peter Rubtzoff 1952-6-10 1221 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  UC429316  Goodyera oblongifolia Franklin P. Nutting Sonoma Taylor Creek; Western Middle California, Taylor Creek Comment
  CAS-BOT-BC251302  Gratiola ebracteata Peter Rubtzoff 1955-7-30 1992 Sonoma Bennett Mountain Lake. Comment
  RSA800205  Gratiola ebracteata Peter Rubtzoff 1959-4-19 4039 Sonoma Laguna de Santa Rosa, east of Sebastopol, near Santa Rosa road crossing. Comment
  CAS-BOT-BC305184  Grindelia hirsutula L. R. Abrams 1916-7-4 5784 Sonoma Road between Petrified Forest and Mark West Comment
  JEPS41910  Grindelia hirsutula W. L. Jepson 1931-7-19 15949 Sonoma sea bluffs just n Salmon Creek Comment
  JEPS86802  Grindelia hirsutula Jack and Betty Guggolz 1991-7-20 1210 Sonoma 2.25 mi nw Camp Meeker (along a road) 182 Comment
  UC468761  Grindelia hirsutula Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC305169  Grindelia hirsutula Walter Knight; Irja Knight 1963-10-29 434 Sonoma Between Two Rock Ranch and County Line Comment
  CAS-BOT-BC305189  Grindelia hirsutula John Thomas Howell 1929-6-9 4304 Sonoma 4 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC361294  Habenaria Greg de Nevers 1993-8-30 10493 Sonoma Field redacted by CAS, contact the data manager for more information 457 Comment
  UC30652  Harmonia nutans F. T. Bioletti 1892-5-15 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  JEPS117092  Harmonia nutans Peter Warner 2010-5-23 158 Sonoma Ida Clayton Rd., ~ 5.3 km fr. jct. w/ Hwy 128; on upslope (W) side of road 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-BC306772  Helenium bigelovii John Thomas Howell 1937-6-6 13035 Sonoma Pitkin Marsh Comment
  UCSB9937  Helenium bigelovii Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners 60 Comment
  UC479400  Helenium puberulum Marcus E. Jones, A. M. 1931-7-5 29104 Sonoma The Geysers Comment
  UCR280186  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC309581  Helenium puberulum Walter Knight; Irja Knight 1963-8-13 208 Sonoma Willow Creek Rd, seep about 2.5 mi. from Bridgehaven Comment
  POM260541  Helenium puberulum Roxana S. Ferris 1937-8-18 9374 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  RSA800483  Helenium puberulum Peter Rubtzoff 1955-7-31 2014 Sonoma Forestville Marsh. Comment
  UC754291  Helianthus bolanderi R. Bacigalupi 1948-3-6 2853 Sonoma The Geysers, just above the resort. Comment
  CAS-BOT-BC257689  Hemizonia Peter Rubtzoff 1958-8-23 3921 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCD166414  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC258385  Hemizonia Peter Rubtzoff 1966-6-5 5753 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC305995  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads Comment
  CAS-BOT-BC305996  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  POM362216  Hemizonia Christopher Davidson 1977-6-20 6009 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA796177  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Marshes: Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  UCD166204  Hemizonia Peter Rubtzoff 1969-8-26 6161 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UCD168048  Hemizonia congesta James Neilson 1981-7-1 4043 Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  RSA81615  Hemizonia congesta James I. McMurphy 1908-09 s.n. Sonoma George's Vineyard, near Fulton. Comment
  CAS-BOT-BC306128  Hemizonia congesta subsp. clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  CAS-BOT-BC306158  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-9 709 Sonoma One mile south of Sonoma Comment
  CAS-BOT-BC306160  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC306241  Hemizonia congesta subsp. congesta J. W. Congdon 1880-8-2 s.n. Sonoma Petaluma & Santa Rosa Road Comment
  UCD132985  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-6-16 1063 Sonoma north side of Occidental Road and Facendini Lane. Comment
  UCD132987  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-7-1 1081 Sonoma 0.35 mile up Duvall Creek from the Bohemian Highway; on the south side of creek. Comment
  UCSB15710  Hemizonia congesta subsp. congesta Breedlove, Dennis 1961-12-31 Sonoma 2.3 miles south of Russian River on State Highway 1 30 Comment
  CAS-BOT-BC309684  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma Comment
  JEPS86756  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-6-16 1063 Sonoma n side intersection of Occidental Road and Facindini Lane Comment
  OBI16232  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 mi NE of Penngrove 244 Comment
  UC1069547  Hemizonia congesta subsp. lutescens H. S. Yates 1937-5-30 6553 Sonoma 1 1/2 mi e Occidental; Sebastopol Quadrangle 91 Comment
  CAS-BOT-BC309669  Hemizonia congesta subsp. lutescens Bruce G. Baldwin 1986-10-29 645 Sonoma 0.3 miles south of junction with State Highway 116 along Lakeville Road Comment
  CAS-BOT-BC309689  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road. Near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC309710  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  CAS-BOT-BC309954  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  UC495618  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1930-9-1 9173 Sonoma Knight's Valley North Coast Ranges Comment
  CAS-BOT-BC309943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12098 Sonoma East side of Russian River between Ukiah and Hopland Comment
  CAS-BOT-BC309959  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-9-15 301 Sonoma Unspecified Comment
  CAS-BOT-BC309963  Hemizonia congesta subsp. luzulifolia J. McMurphy 1910-6-8 s.n. Sonoma Near Shellville Comment
  UC174206  Heracleum lanatum Katharine Brandegee June, 1905 Sonoma Bodega Comment
  HSC92190  Hesperocyparis pygmaea A. T. Austin 1991-5-17 Sonoma Salt Point State Park Comment
  OBI7233  Hesperocyparis sargentii Lewis S. Rose 1955-7-11 55113 Sonoma 2 mi E of Occidental 244 Comment
  UC1212244  Hesperolinon micranthum Freed W. Hoffman 1947-5-18 773 Sonoma near Camp Meeker; Inner North Coast Ranges, Dutch Bill Creek Comment
  UC1212254  Hesperolinon micranthum Helen K. Sharsmith 1952-6-17 4124 Sonoma Trinity road nw Mount Veeder; Inner North Coast Ranges 457 Comment
  JEPS27962  Hesperolinon spergulinum Rimo Bacigalupi and L. R. Heckard 1961-6-9 7745 Sonoma along Stoetz Lane about 1/2 mi nw junction with Harrison Grade road (about 3/4 mi nw of Occidental School) 228 Comment
  UCD167356  Hesperolinon spergulinum James Neilson 1982-6-8 4078 Sonoma Mayacmas Mountains. Just east of Castle Rock near Castle Rock Springs Camp. Comment
  RSA126155  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma Harrison Grade, 1 mi N.E. of Occidental in serpentine area. Comment
  CAS-BOT-BC149831  Heteromeles arbutifolia Ynez Whilton Winblad 1941-6-20 s.n. Sonoma Between Ukiah and Santa Rosa, Highway 101 Comment
  CAS-BOT-BC149838  Heteromeles arbutifolia Saichi Kawahara 1968-4-20 327 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  CAS-BOT-BC251213  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  UCD166419  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS2470  Heterotheca sessiliflora subsp. bolanderi W. L. Jepson 1933-8-1 16550 a Sonoma Agua Caliente Comment
  CAS-BOT-BC420943  Heuchera micrantha var. diversifolia Mary P. Wells 1984-7-20 384 Sonoma Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC424179  Heuchera micrantha var. erubescens Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  RSA0063153  Heuchera micrantha var. hartwegii A. A. Heller 1902-6-24 5756 Sonoma Near Burke s Sanitarium. Comment
  UC727001  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma slopes of a canyon opening near s end Bodega Bay; near s end Bodega Bay Comment
  CAS-BOT-BC319704  Hieracium albiflorum D. E. Breedlove 1980-6-28 44817 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC319709  Hieracium albiflorum Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  UCD160127  Hieracium albiflorum James A. Neilson Jr. 1973-6-6 3559 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  RSA0025690  Hierochloe occidentalis John F. Emmel 1989-12-3 1141 Sonoma 0.3 air mi WSW of Plantation, near NE boundary of Salt Point State Park. 183 Comment
  CDA27097  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UCD84980  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 miles SE of Forestville. 30 Comment
  CAS-BOT-BC376282  Holocarpha virgata Greg de Nevers 1995-9-30 10774 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CHSC52696  Holodiscus discolor James Jokerst 1985-5-29 2390 Sonoma Near Cobb Mountain. 1126 Comment
  POM274868  Holodiscus discolor Lyman D. Benson 1928-6-25 351 Sonoma Cloverdale-Hopland, Russian River. 457 Comment
  CAS-BOT-BC152394  Holodiscus discolor var. discolor Peter Rubtzoff 1952-6-9 1187 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  JEPS128299  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-16 021 .10 Sonoma The Cedars, Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC289285  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1960-5-15 4338 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC289286  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-5-7 1819 Sonoma Ross Marsh Comment
  UC53612  Hordeum brachyantherum subsp. brachyantherum J. Burtt Davy 1897-9-18 4036 Sonoma Petaluma Comment
  UCD21129  Hordeum brachyantherum subsp. brachyantherum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 304 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  CAS-BOT-BC289541  Hordeum brachyantherum subsp. californicum John H. Thomas 1976-6-16 18346 Sonoma Southern part of Sea Ranch northwestern part of county about 7 iles south of Gualala 30 Comment
  RSA144393  Hordeum brachyantherum subsp. californicum Roxana S. Ferris, Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  SEINET7067246  Hordeum brachyantherum subsp. californicum A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC285008  Hordeum depressum L. R. Abrams 1918-4-27 6923 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC285189  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa 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
  HSC10197  Hordeum murinum subsp. leporinum S. N. Wiemeyer 1962-1-29 7 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  UC72982  Horkelia californica Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  SD56711  Horkelia californica Darley F. Howe 1963-8-1 Sonoma 2.2 mi. no. of Jenner on #1 Comment
  SDSU9065  Horkelia californica D. F. Howe 1963-8-1 3653 Sonoma 2.2 miles north of Jenner on #1. 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
  CDA25951  Horkelia tenuiloba T. C. Fuller 1958-5-24 3998 Sonoma Vinehill District. 0 Comment
  RSA298961  Horkelia tenuiloba Edward Lee 1936-6-7 2200 Sonoma Hear Highpoint, on the fire trail, Bohemian Grove Comment
  UC75491  Horkelia tenuiloba Milo S. Baker May 1899 Sonoma near the Laguna (Forestville Rd); Forestville Comment
  CAS-BOT-BC206158  Hosackia crassifolia Crawford Cooley 1992-5-7 s.n. Sonoma Near the Sonoma - Mendocino line ca. 8 airmiles west of Cloverdale on the Cooley Ranch Comment
  UCSB31800  Hosackia crassifolia Townsend, J. Sonoma East side Russian river about 1 mile south of Gerneyville 457 Comment
  UCD110339  Hypericum anagalloides P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC410822  Hypericum concinnum Alice Eastwood 1913-6-5 4575 Sonoma Petrified Forest Comment
  SEINET11987351  Hypericum concinnum W. Knight, Knight, I. 1981-1 Sonoma 4.1 mi up Cavedale Road from jct of state rt. 12 Comment
  UCD148322  Hypochaeris glabra Peter Rubtzoff 1953-11-1 1429 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC316683  Hypochaeris glabra G. DeNevers 1981-5-9 1061 A Sonoma Below the Strebel Homestead, Pepperwood Ranch Comment
  CAS-BOT-BC316711  Hypochaeris radicata Greg de Nevers 1981-5-9 1022 Sonoma By the Red Corral at teh McCann Homestead, Pepperwood Ranch Comment
  UCD133475  Hypochaeris radicata Gerry North 1993-4 41 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area, 50 m. east of foot bridge. 365 Comment
  HSC100875  Ilex aquifolium Peter Warner 2011-4-6 185 Sonoma Pitkin Marsh, lower, ~752 m N2 deg. E from junction of Hwy. 116 and Guerneville Rd., S of main stream channel, 30 m N of south boundary fence, along-foot trail. 37 Comment
  SEINET7075545  Iris A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  SEINET12048687  Iris douglasiana F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -156 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  RSA135874  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17110 Sonoma 4.4 miles northwest from Mark West Springs, on road to Kellogg 107 Comment
  RSA22094  Iris fernaldii Alice Eastwood, John Thomas Howell 1938-5-15 5512 Sonoma Near Mark West Springs Comment
  RSA48722  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 610 Comment
  CAS-BOT-BC133679  Iris longipetala Peter Rubtzoff 1965-5-16 5529 Sonoma 6 mi. northeast of Penngrove on Lichau Rd. 335 Comment
  UCD55146  Iris macrosiphon Ellen Dean; Tammie Beyerl 2006-4-28 3028 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 Comment
  HSC13861  Iris macrosiphon F. Deemostene 1966-4-3 15 Sonoma 2 mi. E of Healdsburg Comment
  SEINET7883381 Image available Iris macrosiphon Laura Zeller 1965-1 2 Sonoma Ca. 1.5 miles E of Highway 12 on Cavedale Road 198 Comment
  CAS-BOT-BC210128  Isoetes Peter Rubtzoff; Nancy Harrison 1974-5-26 7477 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC164686  Isoetes Peter Rubtzoff 1971-9-30 6714 Sonoma Spring Creek Reservoir area. Comment
  UCD150145  Isoetes howellii Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  CAS-BOT-BC368087  Isoetes howellii Greg de Nevers 1998-3-20 11220 Sonoma Cresta Ranch, Mark West Creek Comment
  CAS-BOT-BC164685  Isoetes nuttallii Peter Rubtzoff; Nancy Harrison 1978-5-20 9182 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC61917  Isoetes nuttallii John Thomas Howell 1935-5-5 12603 Sonoma near Kenwood Comment
  CAS-BOT-BC61923  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC112417  Isolepis carinata Peter Rubtzoff; Hans A. Froebe 1971-5-30 6485 Sonoma Dry bed of vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  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
  CAS-BOT-BC112578  Isolepis cernua Catherine Best 1985-5-15 1087 Sonoma Duncan Mills Comment
  POM111630  Isolepis cernua Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  SD134076  Isolepis cernua Peter Rubtzoff 1955-7-31 2015 Sonoma Forestville Marsh, marshy to wet, partially shaded ground. (IPB 11/07) Comment
  UCSB26159  Isolepis cernua Beetle, Alan 1941-7-8 Sonoma Coastal bluffs; 5 miles north of Steward Point Comment
  UCD142837  Juncus G. F. Hrusa; R. Gross 1996-6-30 13061 Sonoma 2 mi. SW of Calistoga. Diamond Mountain Road. 700 Comment
  RSA790005  Juncus Walter Knight, I. Knight 1968-1-1 2266 Sonoma Geyser Resort. Along geyser trail at creek edge. Comment
  CAS-BOT-BC322122  Juncus arcticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh. Comment
  UC1042427  Juncus balticus Peter Rubtzoff 1951-7-7 368 Sonoma near Forestville (e branch of the upper marsh); Pitkin Marsh Comment
  JEPS66912  Juncus bolanderi W. L. Jepson 1918-6-23 7648 Sonoma Asti Comment
  UCR279628  Juncus dubius Peter Rubtzoff, Betty Lovell 1975-8-11 8314 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC210089  Juncus effusus Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  RSA785889  Juncus effusus Peter Rubtzoff 1964-7-29 5454 Sonoma Duncans Mill Marsh. Comment
  RSA785890  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mill Marsh. Comment
  CAS-BOT-BC164041  Juncus effusus subsp. pacificus Peter Rubtzoff 1973-9-9 7324 Sonoma Sonoma: Kenwood Marsh Comment
  RSA368221  Juncus effusus subsp. pacificus Christopher Davidson 1977-6-20 6025 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  RSA94317  Juncus mexicanus Peter Rubtzoff 1951-9-2 717 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  UCR51377  Juncus oxymeris L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Range, Pine Flat Road, spring near Contact Mine Comment
  JEPS73357  Juncus phaeocephalus Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 742 Sonoma 1 mi w Two Rock Junction Comment
  CDA39262  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  UCR248901  Kickxia elatine Peter Rubtzoff 1971-8-9 6633 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  RSA247442  Kickxia elatine Peter Rubtzoff 1959-6-20 4158 Sonoma Willow Creek Marsh. Willow Creek. Comment
  UC573677  Koeleria macrantha H. S. Yates 1937-5-3 6561 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  UCD85719  Koeleria macrantha T. S. Brandegee 1888-6-1 s.n. Sonoma Island of Santa Rosa, coast of California. Comment
Read comments
Apr 25 2016
  SEINET11688012  Koeleria macrantha F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -232 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC376338  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC341710  Lagophylla ramosissima Milo S. Baker 1934-6-1 7687 Sonoma Along highway north of Warfield one-half mile Comment
  CAS-BOT-BC274315  Lagurus ovatus David D. Keck 1948-6-29 5927 Sonoma Fort Ross, at the chapel 30 Comment
  CAS-BOT-BC274316  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  UCD63265  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  SJSU9868  Lagurus ovatus S. H. Casey 1969-5-13 238 Sonoma 3 mi N of Stewarts Point Comment
  CAS-BOT-BC173572  Lamiaceae Peter Rubtzoff 1958-9-1 3964 Sonoma Guerneville region, Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC486689  Lamiaceae Peter Rubtzoff 1971-6-25 6565 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing Comment
  POM63142  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CDA28919  Lamium purpureum C. Morgan 2009-3-19 s.n. Sonoma Kenwood, 9550 Frederica. 0 Comment
  JEPS86320  Lasthenia burkei Jack and Betty Guggolz 1988-4-17 915 Sonoma 400 m n San Miguel Road (200 m e of Franciscan Road) Comment
  JEPS86746  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1029 Sonoma 1.25 mi nw old Windsor (Kidd Development) 41 Comment
  CAS-BOT-BC346334  Lasthenia californica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53978 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles ne of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC90026  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Bodega Point Comment
  UCD133664  Lasthenia californica subsp. californica Mary M. Hektner; Cathy Hendel 1974-7-2 102 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  CAS-BOT-BC352755  Lasthenia fremontii John Thomas Howell 1943-5-10 17989 Sonoma 1 mile N of Windsor Comment
  CAS-BOT-BC352756  Lasthenia fremontii Alice Eastwood; John Thomas Howell 1936-5-19 2514 Sonoma 2 miles N of Windsor Comment
  POM53048  Lasthenia glaberrima Michener, Bioletti 1893-06 s.n. Sonoma Kenwood Comment
  RSA276854  Lasthenia glaberrima Peter Rubtzoff 1966-5-30 5747 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road Comment
  UC726106  Lasthenia minor A. A. Heller 1940-5-17 15628 Sonoma n of the town of Bay; Bodega Bay Comment
  CAS-BOT-BC370891  Lasthenia minor D. H. Morey 1958-4-10 13331 Sonoma adjacent to Bodega Head Comment
  CAS-BOT-BC164646  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD106225  Lathyrus grandiflorus H. S. Reed 1937-5-31 755 Sonoma Bodega. Comment
  UCD150835  Lathyrus hirsutus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  UCD106227  Lathyrus hirsutus Frederica Bowcutt 1996-5-24 2164 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  CAS-BOT-BC204990  Lathyrus jepsonii var. californicus Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  UC1084420  Lathyrus jepsonii var. californicus G. Thomas Robbins 1937-5-23 189 Sonoma near Wright School (between Santa Rosa and Sebastopol) Comment
  UCD106362  Lathyrus latifolius Terri Williamson 1990-5-20 45 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  UCR255730  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SD134005  Lathyrus vestitus var. vestitus Greg de Nevers 1987-1-29 8124 Sonoma Santa Rosa, Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road 99 Comment
  UCD151309  Lathyrus vestitus var. vestitus James A. Neilson Jr. 1974-4-30 2722 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) 441 Comment
  CAS-BOT-BC323229  Layia chrysanthemoides David D. Keck 1931-4-1 992 Sonoma 2 miles N of Sears Point (9 miles S of Sonoma), southern Sonoma County. 10 Comment
  CAS-BOT-BC323232  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 miles E of Shellville (just E of intersection of Sonoma road). Comment
  CAS-BOT-BC323254  Layia chrysanthemoides A. A. Heller; H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma Comment
  CAS-BOT-BC323259  Layia chrysanthemoides Alice Eastwood 1921-5-8 10447 Sonoma Petaluma Comment
  UC1537075  Layia chrysanthemoides Gordon H. True Jr. 1938-4-13 862 Sonoma near Sonoma 60 Comment
  HSC103521  Layia chrysanthemoides Thomas W. Nelson, Jane Nelson 1981-5-3 6469 Sonoma Along Presseley Rd., ~ 3 mi. N of junction with Roberts Rd. Comment
  RSA785926  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  POM53343  Layia platyglossa subsp. campestris H. E. Brown, A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood. Comment
  RSA106768  Ledum glandulosum subsp. columbianum L. S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  RSA71060  Ledum glandulosum subsp. columbianum L. S. Rose 1951-6-7 51015 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  CAS-BOT-BC274359  Leersia oryzoides Freed Hoffman 1943-10-26 s.n. Sonoma Russian River, near Guerneville Comment
  CAS-BOT-BC274363  Leersia oryzoides Peter Rubtzoff 1958-7-19 3762 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UCR254923  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 5 Comment
  UCD166260  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sear Point. 11 Comment
  CAS-BOT-BC210108  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  SEINET8715371 Image available Lemna gibba Leo Koch 1940-1 1011 Sonoma On surface of pond in hills behind Fountaingrove Vineyard three miles north of Santa Rosa along Highway 101. Comment
  CAS-BOT-BC154155  Lemna minima Peter Rubtzoff 1965-11-9 5667 B Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  SEINET11768003  Lemna minor Unknown 1940-1 1011 Sonoma behind Fountaingrove Vineyard 3 mi N of Santa Rosa along Hwy 101 Comment
  CAS-BOT-BC344880  Lemna minuta Peter Rubtzoff 1961-10-17 4769 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC527280  Lemna minuta Peter Rubtzoff 1951-7-8 385 Sonoma Lower part of Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC534919  Lemna turionifera Peter Rubtzoff 1951-8-19 652 Sonoma Pitkin Marsh, near Forestville Comment
  RSA94305  Leontodon nudicaulis Peter Rubtzoff 1951-7-21 501 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  UCD124767  Lepechinia calycina Frederica Bowcutt 1994-6-25 1923 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  CAS-BOT-BC177112  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh Comment
  UCD115354  Lepidium didymum G. P. McNear 1924-8-1 s.n. Sonoma Petaluma. Comment
  UCSC000315  Lepidium nitidum I. J. Condit 2013-3-7 s.n. Sonoma Petaluma Comment
  UC10632  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC320566  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  RSA0022357  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  SEINET7967475 Image available Leptosiphon androsaceus James Grimes 1981-4-29 1977 Sonoma On Highway 128 2.1 miles north of US 101, north of Cloverdale. Comment
  JEPS117075  Leptosiphon androsaceus Peter Warner 2010-5-6 144 Sonoma Annadel State Park, in grassland along Canyon Trail, ~750 m W of junction with Marsh Trail, ~950 m W of dam at Lake Ilsanjo Comment
  UCD118579  Leptosiphon androsaceus Botany 102 Students 1993-5-8 253 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trailhead parking. About 1 air mile S of Red Mountain, just N of Sonoma Creek. Comment
  UCD118608  Leptosiphon bicolor Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1802 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, approximately 0.25 mile from trailhead. 396 Comment
  CAS-BOT-BC376427  Leptosiphon parviflorus Greg de Nevers 1995-6-3 10745 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 Comment
  CAS-BOT-BC499111  Leptosiphon parviflorus Ann Howald 2015-4-13 3343 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, NW corner, S of Marsh Trail 362 Comment
  CAS-BOT-BC324189  Lessingia hololeuca Walter Knight; Irja Knight 1963-9-11 409 Sonoma Chileno Valley Comment
  UC1299300  Lessingia hololeuca Freed W. Hoffman 1947-7-30 1414 Sonoma near Guerneville; North Coast Ranges, Great Eastern Quicksilver Mines Comment
  CAS-BOT-BC341997  Lessingia ramulosa J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC273566  Leymus californicus G. DeNevers 1981-7-1 1731 Sonoma Pepperwood Ranch. In the Pippindale Garden Comment
  CAS-BOT-BC376325  Leymus triticoides Greg de Nevers 1993-7-27 10476 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa E base of Telegraph Hill 400 Comment
  CAS-BOT-BC451692  Lilaea scilloides Peter Rubtzoff 1951-6-16 221 Sonoma Pitkin Marsh, near Forestville. Just north of the Lower Marsh. Comment
  CAS-BOT-BC451707  Lilaea scilloides Peter Rubtzoff 1954-8-13 1719 Sonoma Bodega Head Marsh. Comment
  RSA73967  Lilaea scilloides Milo S. Baker 1952-4-20 12400 Sonoma Western outskirts of Sonoma, along 5th street. Comment
  UCD139747  Lilium pardalinum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-27 78 A Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CHSC22062  Limnanthes douglasii Robert A. Schlising 1962-3-31 2109 Sonoma Coast Ranges. Field. Comment
  JEPS37920  Limnanthes douglasii subsp. nivea Rimo Bacigalupi and R. Ornduff 1964-4-18 8931 Sonoma n side of Lytton Springs road just e junction of Chiquita Rd. (ca 1 mi w of US 101) Comment
  CAS-BOT-BC123077  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Rd., 1.4 mi from Hwy 116 and 0.6 mi. from Llano Rd. Comment
  JEPS87239  Limnanthes vinculans Jack and Betty Guggolz 1992-4-22 1255 Sonoma se Bloomfield Road (s of Sebastopol) 32 Comment
  UC1331757  Limnanthes vinculans T. J. Crovello 1965-5-8 706 Sonoma 0.4 mi n Route 116 (along Llano Rd, e of Cunningham); Laguna de Santa Rosa Marsh Comment
  RSA800125  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  SEINET7067341  Linanthus acicularis A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  UC52738  Linanthus androsaceus C. B. Turrill Sonoma Comment
  JEPS112969  Linanthus parviflorus Dean W. Taylor 1994-5-4 14209 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UC76069  Linaria vulgaris Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  UCD110569  Linum bienne Mary M. Hektner 1974-5-27 006 Sonoma Unit 7 Owners' Map, south of Whaler's Reach, Sea Ranch, near State Highway 1. Comment
  SEINET6949195  Linum bienne W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Maritime grassland, 5 miles north of Fort Ross. Comment
  CAS-BOT-BC26043  Linum spergulinum H. N. Bolander 1867-6-1 s.n. Sonoma Cloverdale Comment
  CHSC114678  Linum trigynum Peter Warner 2010-5-16 167 Sonoma Jenner Headlands, Knoll Field, 203m, s244 deg. W of residence house, on S-facing slope of knoll in coastal grassland. UTM 10S: 489308E, 4256990N 230 Comment
Read comments
May 27 2016
  CAS-BOT-BC36014  Lithocarpus densiflorus var. densiflorus H. E. McMinn 1922-6-7 191 Sonoma Redwoods near Monte Rio Comment
  CAS-BOT-BC430797  Lithophragma affine Mrs. Clara Hunt 1921-4-1 s.n. Sonoma St. Helena Comment
  JEPS128242  Logfia filaginoides Roger Raiche 2000-5-4 077 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC283282  Lolium multiflorum John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  SEINET11690152  Lolium multiflorum W. Knight, Knight, I.; Howell, J. T. 1987-1 6280 Sonoma Todd Road Preserve, near corner of Llano Road 24 Comment
  UCD84595  Lolium perenne Frederica Bowcutt 1994-6-12 1841 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 Sonoma Creek near trailhead for Hillside trail. 365 Comment
  CHSC114316  Lomatium dasycarpum D. G. Kelch; A. G. Murdock, Ben Carter 2007-5-13 07 .271 Sonoma Cavedale Rd. 518 Comment
  UC1348892  Lomatium dasycarpum subsp. dasycarpum Robert F. Thorne 1965-4-20 34372 Sonoma ca. 6 mi. n. Sonoma (ca. 4 mi. up Cavedale Rd.) 411 Comment
  UCD127043  Lomatium dasycarpum var. dasycarpum Frederica Bowcutt 1994-5-21 1803 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 2.5 air miles NE of Kenwood,. Along Meadow Trail, approx. 3/8 mile from trailhead. 1300 Comment
  UC1348909  Lomatium repostum Robert F. Thorne 1965-4-20 34326 Sonoma ca. 2 1/2 mi N of Santa Rosa (1 mi N of Sonoma Co. Hosp., Parker Hill Rd.) 106 Comment
  UCD127724  Lomatium utriculatum Jennifer Bury; Peggy Herzog 1993-5-8 261 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  CAS-BOT-BC240652  Lonicera hispidula G. DeNevers 1981-6-15 1537 Sonoma Pepperwood Ranch. Below the Rogers Apple Orchard Comment
  UCD137317  Lonicera hispidula Mary M. Hektner 1974-7-8 138 Sonoma along State Highway 1, just north of Whalebone Reach, Unit 24 Owners' Map, Sea Ranch. Comment
  POM128320  Lonicera involucrata H. P. Chandler 1907-4-28 7550 Sonoma Santa Rosa to Calistoga. Comment
  CAS-BOT-BC200972  Lotus Peter Rubtzoff 1983-8-28 9681 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC290638  Lotus Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC293679  Lotus Peter Rubtzoff; Nancy Harrison 1974-9-7 7870 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  UC1321327  Lotus R. F. Hoover 1964-9-8 9289 Sonoma Timber Cove Comment
  CAS-BOT-BC304423  Lotus Peter Rubtzoff 1970-5-16 6226 Sonoma Five miles north of Sears Point. Comment
  JEPS79074  Lotus aboriginus L. R. Heckard with S. Rae and Betty Lovell 1980-4-21 5175 Sonoma 1.5 mi due e Forestville (about 0.5 mi e of Vine Hill road, Vine Hill School road) 60 Comment
  UCR142041  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma North Coast, Fort Ross; bank of roadcut, State Highway 1 61 Comment
  RSA22095  Lotus angustissimus Alice Eastwood, John T. Howell 1938-7-11 6267 Sonoma Near Stillwater Cove Comment
  UCD35510  Lotus angustissimus Beecher Crampton 1957-7-22 4373 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  HSC2127  Lotus formosissimus C. B. Wolf 1927-9-2 1353 Sonoma 1.0 mi. S of Gualala River Comment
  UC1129051  Lotus formosissimus H. S. Yates 1934-4-21 3792 Sonoma near Bodega; Sebastopol Quad. 91 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
  RSA92945  Lotus oblongifolius var. nevadensis Elizabeth McLeod 1930-05 s.n. Sonoma Pilkin Swamps Comment
  UC15595  Lotus scoparius Miss Alice King Jun 1897 Sonoma Healdsburg Comment
  CHSC20629  Lotus uliginosus Robert A. Schlising; G. Keator 1963-7-27 2632 Sonoma California Coastal Range. On east side of Bodega Peninsula. Comment
  RSA568520  Lotus unifoliolatus H. L. Bauer 350 Sonoma Big Basin Comment
Read comments
Sep 18 2012
  RSA31789  Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma Bluff north of Bodega Bay. Comment
  SEINET3523654 Image available Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma Foot of the bluff north of Bodega Bay Comment
  CAS-BOT-BC290614  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD65993  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 33 -LU Sonoma Laguna Wildlife Area, Laguna de Santa Rosa at Blucher Creek Confluence. California Dept. of Fish and Game. Downstream of Todd Road bridge, Laguna de Santa Rosa south of Sebastopol, CA. 22 Comment
  UCD66023  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66042  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 26 -LU Sonoma Lake Wilson, Sonoma County Riverfront Park sw of Windsor, Eastside Road. 16 Comment
  CAS-BOT-BC251285  Ludwigia palustris Peter Rubtzoff 1954-7-17 1551 Sonoma Austin Creek Marsh. Comment
  RSA800127  Ludwigia palustris Peter Rubtzoff 1972-6-27 6793 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC157695  Ludwigia peploides Peter Rubtzoff 1956-9-11 2844 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CAS-BOT-BC157696  Ludwigia peploides Peter Rubtzoff 1955-8-21 2091 Sonoma Vacation Beach, near Guerneville along Russian River, below the dam. Comment
  SJSU393  Ludwigia peploides A. W. Jacobs 1938-6-15 Sonoma Russian R near Hilton 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
  UC424853  Lupinus Milo S. Baker 1929-5-7 3452 b Sonoma near Sebastopol; near Sebastopol Comment
  CDA36944  Lupinus adsurgens CDFA Staff 2008-1 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCR2994  Lupinus albifrons Wm. Horn Jr. 1963-4-10 630410- 01 Sonoma Coast Range, 0.25 mi N on Jonive Rd. at a point 5 mi west of Sebastopol on Bodega Hwy 168 Comment
  CAS-BOT-BC195978  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 miles west Comment
  CAS-BOT-BC196044  Lupinus albifrons var. collinus Peter Rubtzoff 1953-5-18 1414 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  UC130308  Lupinus arboreus J. Burtt Davy 1896-3-13 1646 Sonoma Duncan's Mills Comment
  UCD167409  Lupinus bicolor James Neilson 1977-3-25 3852 Sonoma Mayacmas Mountains, about 3 miles south Pine Flat on Pine Flat Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET10838181  Lupinus densiflorus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma. Comment
  SEINET10737353 Image available Lupinus densiflorus var. lacteus Marcus E. Jones 1882-7-17 Jones 3329 Sonoma Duncan's Mills. Comment
  UC1076235  Lupinus formosus H. L. Mason June 1930 5655 Sonoma mouth of Gualala River Comment
  UC1129697  Lupinus latifolius H. S. Yates 1934-4-22 3834 Sonoma 3 mi e Mark West; Calistoga Quadrangle Comment
  UCR265092  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 17.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 260 Comment
  POM10762  Lupinus latifolius subsp. latifolius A. A. Heller, H. E. Brown 1902-4-17 5320 Sonoma Hills at Santa Rosa Comment
  SEINET10490782  Lupinus latifolius subsp. latifolius Robert F. Thorne 1965-4-19 Thorne 34317 Sonoma Fls violet; on well-drained embankment in douglas-fir forest; harrison grade, 1/2 Mi. From green valley rd.; With calycanthus, pseudotsuga, umbellularia, etc 152 Comment
  SEINET10490799  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-6-5 Congdon s.n. Sonoma Petaluma. Morphology study voucher. Comment
  UCD109068  Lupinus nanus Freed W. Hoffman 1947-4-7 1358 Sonoma Chalk Hill Road. Comment
  SEINET10451627  Lupinus nanus subsp. nanus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7083 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  SEINET10936836  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 Nelson 5127 Sonoma Santa rosa quad. Along roberts rd ca 100 m past bridge over copeland creek, e Of rhonert park. Vernally wet area beside road. T.6n, r.7w, sec.28. 61 Comment
  RSA0036442  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  UC725888  Lupinus variicolor A. A. Heller 1940-5-17 15637 a Sonoma along State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  CDA27599  Lupinus variicolor T. C. Fuller 1966-6-2 14586 Sonoma Road to Petaluma, 1 mile east of Valley Ford. 0 Comment
  POM304144  Lupinus variicolor H. C. Cantelow 1940-4-20 s.n. Sonoma 2 miles S of S. end of Russian River Bridge, Highway 1. Comment
  UCD109665  Lupinus variicolor Eric Davidson 1971-6-29 335 b Sonoma Salt Point State Park, north of Fort Ross. Comment
  UCD109667  Lupinus variicolor Eric Davidson 1972-5-27 391 Sonoma near University of California's Bodega Marine Lab, Bodega Head. Comment
  CAS-BOT-BC210023  Luzula Peter Rubtzoff 1974-4-17 7369 Sonoma Upper Green Valley Marsh area Comment
  UCD166730  Luzula Peter Rubtzoff 1962-4-11 4793 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC210064  Luzula Peter Rubtzoff 1957-5-4 3301 Sonoma Duncans Mills Marsh., upper part of marsh Comment
  CAS-BOT-BC436742  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  CHSC20576  Luzula macrantha Robert A. Schlising 1962-3-31 2129 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  CAS-BOT-BC441393  Luzula subsessilis Ella Dales Cantelow 1939-4-10 2594 Sonoma Grade NW of Cazadero Comment
  UCD151200  Lythrum hyssopifolia James A. Neilson Jr. 1974-7-10 2815 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  RSA0015985  Lythrum hyssopifolia Edward Palmer 1892-6-27 2399 Sonoma Petaluma. Comment
  CDA19171  Lythrum salicaria S. Opbroek 2000-7-14 PDR 038289 Sonoma North Coast Ranges; 6225 Stony Pt. Rd., Cotati. 0 Comment
  RSA0016031  Lythrum tribracteatum Peter Rubtzoff 1970-5-30 6244 Sonoma 5 mi. N of Sears Point. Comment
  UCD166068  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC166909  Madia Peter Rubtzoff 1955-9-25 2161 Sonoma Forestville Marsh area. Comment
  CAS-BOT-BC342608  Madia John H. Thomas 1969-9-21 15471 Sonoma Coastal bluffs to the south of the mouth of the Russian River 121 Comment
  RSA785884  Madia Peter Rubtzoff, Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  UCD134179  Madia Frederica Bowcutt 1994-6-24 1885 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. Lower Bald Mountain Trail. Comment
  CAS-BOT-BC342621  Madia anomala G. DeNevers 1981-5-15 1213 Sonoma Pepperwood Ranch. Along road to Hansel's Lake (from the bottom of her driveway) Comment
  POM203932  Madia capitata J. T. Howell 1932-9-17 10764 Sonoma Near Kenwood Comment
  CAS-BOT-BC344041  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  UC990649  Madia elegans James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  SD51335  Madia elegans subsp. densifolia Darley F. Howe 1961-7-29 3086 Sonoma 2 miles east of a point on #101, 4 miles north of Santa Rosa on road to Calistoga 120 Comment
  RSA92902  Madia elegans subsp. elegans F. W. Peirson 1925-8-8 6346 Sonoma About 1 mile N of Santa Rosa. Comment
  CAS-BOT-BC166733  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC343462  Madia gracilis J. Clausen 1935-5-23 1075 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  SD56776  Madia gracilis Darley F. Howe 1963-5-23 Sonoma 2.8 miles north of Cloverdale on #128 245 Comment
  UCR265237  Madia madioides Ann Howald 2015-4-28 3378 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 13.8 miles west of intersection with Rockpile Rd, Warm Springs drainage 589 Comment
  CAS-BOT-BC157678  Madia sativa Peter Rubtzoff 1962-8-24 5066 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC345202  Madia sativa Alice Eastwood 1921-5-8 10445 Sonoma Petaluma Comment
  CAS-BOT-BC345222  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  UC485307  Madia sativa Katharine Brandegee Sonoma Bodega Comment
  UCR280152  Madia sativa Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  CAS-BOT-BC345218  Madia sativa H. M. Hall 1931-5-26 13080 Sonoma Sonoma Valley Comment
  RSA94304  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville: south of the Upper Marsh Comment
  UC990654  Madia sativa James I. McMurphy 1909-8-8 702 Sonoma electric railroad station between Santa Rosa and Sebastopol; Leddy Comment
  UCSB15481  Madia sativa Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  UCSB708  Maianthemum racemosum Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits of Camp Meeker Comment
  SD88527  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-1 Sonoma Near mouth of Russian River. Comment
  HSC7018  Marah fabacea F. Demostene 1966-4-1 3 Sonoma 2 mi. E of Healdsburg Comment
  HSC27363  Matricaria chamomilla J. P. Smith 1973-3-4 5844 Sonoma Near Geyserville Comment
  JEPS46174  Meconella californica Eleanor Armstrong 1933-4-15 741 Sonoma Bodega Hill Comment
  CAS-BOT-BC268100  Medicago Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7804 Sonoma Kenwood Marsh. Comment
  RSA800063  Medicago lupulina Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 mi east of Guerneville at 9981 Old River Road. Comment
  JEPS128376  Melica californica Roger Raiche 2000-5-28 119 .00 Sonoma The Cedars. (Shown on SLT maps as Marshall Creek but this is not the name on USGS sheets). Gualala River Wheatfield Fork watershed. Comment
  CAS-BOT-BC281275  Melica geyeri G. DeNevers 1981-5-5 950 Sonoma Pepperwood Ranch. On the trail to the Studio Comment
  CAS-BOT-BC281276  Melica geyeri G. DeNevers 1981-5-15 1164 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  SD134042  Melica geyeri Greg de Nevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  CAS-BOT-BC281281  Melica geyeri David L. Morgan 1961-4-17 s.n. Sonoma On Tomales Rd, 2 miles SW of Tomales Comment
  UC34142  Melica harfordii Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6001 Sonoma Guerneville Comment
  UCD88604  Melica subulata Frederica Bowcutt 1994-5-1 1782 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon, campground S of Sonoma Creek about 150 yds. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC262555  Melica torreyana G. DeNevers 1981-4-27 883 Sonoma Pepperwood Ranch. On the ridge NW of the Garrison House Comment
  CAS-BOT-BC262556  Melica torreyana Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 miles north of Occidental Comment
  CHSC33997  Melica torreyana J. D. Prouty 1980-4-12 859 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi W of junction with Petrified Forest Road. 256 Comment
  UC1024769  Melica torreyana Leo Whitney 1935-4-14 2259 b Sonoma near Occidental (Blunden's Pasture) Comment
  UCD36693  Melica torreyana Beecher Crampton 1955-6-17 2956 Sonoma Sonoma County, 5 miles west of Cazadero, on road to Fort Ross. Comment
  RSA785213  Mentha Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  RSA785672  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  JEPS117114  Mentha aquatica Peter Warner 2010-7-29 173 Sonoma Lower Pitkin Marsh, along primary drainage channel, near NE property boundary. Comment
  JEPS63448  Mentha pulegium W. L. Jepson 1903-10-4 2363 Sonoma near Monte Rio (Bohemian Club Grove, moist bed of winter pond); Bohemian Club Grove Comment
  UC126707  Mentha pulegium Geo. R. Hall 1906-10-14 Sonoma Guerneville; Bohemian Club Grove, etc. Comment
  UC1714396  Mentha pulegium J. Burtt Davy 1896-7-22 Sonoma Russian River Station Comment
  UCR45981  Mentha pulegium L. F. LaPre 1986-7-29 s.n. Sonoma North Coast Ranges, Pine Flat, near the Lake Co. line, 12 mi east of Healdsburg Comment
  CAS-BOT-BC164098  Mentha pulegium Peter Rubtzoff 1958-8-31 3950 Sonoma Atascadero Creek Marsh. Comment
  UCD125123  Mentha pulegium Mary M. Hektner 1974-9-12 183 Sonoma Sea Ranch. Near State Highway 1. Unit 7 Owners' Map. Comment
  CAS-BOT-BC164665  Mentha spicata Peter Rubtzoff 1952-6-15 1259 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC164666  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mills Marsh. Comment
  RSA784549  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh. Bed of Fife Creek. Comment
  RSA785146  Mentha spicata Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh. Comment
  CHSC57512  Micranthes californica Shelly A. Kirn 1991-3-28 6 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  CAS-BOT-BC429002  Micranthes fragosa Milo S. Baker 1928-3-1 2737 b Sonoma Golf Club Links Comment
  JEPS128228  Micropus Roger Raiche 2000-5-4 071 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC348621  Micropus californicus var. californicus H. L. Mason 1934-4-28 8077 Sonoma Jensen's Ranch, head of Dohrmann Creek Comment
  CAS-BOT-BC157685  Microseris Peter Rubtzoff; H. A. Froebe 1971-5-30 6464 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC348731  Microseris bigelovii Alice Eastwood 1915-6-29 4869 Sonoma Bodega Point Comment
  UC682111  Microseris laciniata subsp. laciniata G. L. Stebbins Jr. with A. A. Beetle 1942-6-4 3287 Sonoma on State Highway No. 12 to Sebastopol 4.1 mi w Santa Rosa (e of corner of Wright Road) Comment
  CAS-BOT-BC320530  Mimulus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC311874  Mimulus Peter Rubtzoff 1959-6-20 4170 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC312698  Mimulus Peter Rubtzoff 1964-7-29 5442 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC320517  Mimulus Peter Rubtzoff 1963-6-18 5173 Sonoma Bennett Mountain Lake. Comment
  RSA0025384  Mimulus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh. In lower part of the Upper Marsh. Comment
  JEPS128314  Mimulus aurantiacus Roger Raiche 2000-5-21 102 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this not the name on USGS topo sheets.) Gualala River, Wheatfield Fork watershed. Comment
  JEPS76922  Mimulus aurantiacus var. aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  RSA39875  Mimulus aurantiacus var. aurantiacus P. A. Munz 1947-10-9 12212 Sonoma Dry Slope near entrance to Armstrong Redwoods State Park Comment
  UCR37730  Mimulus aurantiacus var. aurantiacus A. C. Sanders 1985-1-19 5370 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 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
  RSA535826  Mimulus douglasii David M. Thompson 1988-4-2 864 Sonoma 1.1 mi N of Porter Creek Road along Franz Valley Road. 30 ft S of (and opposite) 900 Franz Valley Road residence gate. 305 Comment
  POM5118  Mimulus guttatus A. A. Heller 1902-6-11 5687 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  RSA0040387  Mimulus guttatus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  POM5061  Mimulus guttatus A. A. Heller, H. E. Brown 1902-4-23 5349 Sonoma Near Sonoma. Comment
  SEINET12334049  Mimulus guttatus Unknown 1977-1 17 Sonoma no further locality 122 Comment
  UC196620  Mimulus nasutus F. T. Bioletti Apr. 1893 Sonoma Kenwood Comment
  NY90752  Mimulus nasutus H. T. Edwards 04 1877 s.n. Sonoma Knights Valley Comment
  UCD39138  Mimulus pilosus Beecher Crampton 1964-8-18 7145 Sonoma N.E. Sonoma County: 'The Geysers', Big Sulphur Creek. Comment
  JEPS19397  Mimulus tricolor G. Thomas Robbins 1938-5-19 264 Sonoma sw Santa Rosa (Stony Point Road, near The Lagunas) 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
  CAS-BOT-BC220387  Monardella purpurea Milo S. Baker 1946-7-4 11524 Sonoma Harrison Grade Rd. ca 2 mi N.E. of Occidental Comment
  SBBG7673  Monardella sheltonii C. Bornstein, E. Collins 2006-8-23 Sonoma Bohemian Hwy, along rd above Dutch Bill Crk 45 Comment
  CAS-BOT-BC318599  Monardella villosa subsp. subserrata Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford. Comment
  CAS-BOT-BC318600  Monardella villosa subsp. subserrata J. W. Congdon 1880-6-20 47 Sonoma Petaluma Comment
  CAS-BOT-BC314184  Monardella villosa subsp. villosa John Thomas Howell 1930-7-27 5407 Sonoma 1 mile N of Fort Ross Comment
  JEPS62414  Monardella villosa subsp. villosa M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 221 Sonoma Between Guerneville and Monte Rio; Russian River Comment
  UC1299606  Monardella villosa subsp. villosa Freed W. Hoffman 1946-9-26 577 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UCLA62411  Monardella villosa subsp. villosa unknown 1841-1-1 Sonoma Bodega Comment
  SEINET12330779  Monardella viridis W. Knight, Knight, I.; Edwards, S. 1986-1 5528 Sonoma Pepperwood Nature Preserve on Franz Valley Road, on W rim of Devil's Garden Comment
  JEPS87252  Monardella viridis subsp. viridis Jack and Betty Guggolz 1992-7-25 1332 Sonoma 4 1/2 mi sw Geyserville (about 5/8 mi ssw of Bradford Mountain) 292 Comment
  CAS-BOT-BC166932  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  UC1106074  Montia fontana John Thomas Howell 1949-4-6 25301 Sonoma sw of Sonoma Comment
  CAS-BOT-BC444990  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  CAS-BOT-BC445060  Montia linearis Alice Eastwood 1921-4-24 10348 Sonoma Santa Rosa Comment
  UCD144663  Montia parvifolia Frederica Bowcutt 1994-6-12 1874 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Canyon Trai along edge of Sonoma Creek just E of confluence with Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  CAS-BOT-BC515645  Muilla maritima Alice Griffin 1922-3-29 s. n. Sonoma Meadow opposite Myrtledale Geyser 1 1/2 mi north of Calistoga Comment
  CAS-BOT-BC515646  Muilla maritima Peter H. Raven 1950-4-6 1567 Sonoma Cotati to Santa Rosa Comment
  UC1199520  Myosotis discolor Reino Alava 1955-5-24 2044 Sonoma Pitkin Marsh n.w. of Sebastopol; Pitkin Marsh Comment
  SEINET12348989  Myosotis discolor F. H. Utech 1988-5-19 88 -193 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 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
  UC672617  Myrica californica Herbert L. Mason 1928-4-8 4291 Sonoma Fort Ross Comment
  UC1153820  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma US Hwy 101 3 mi s Healdsburg (banks of railway cut) Comment
  CAS-BOT-BC479713  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, lower E slope, c. 0.2 mi SE of intersection of Lewis Creek and Felder Creek 151 Comment
  UC856857  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  UC952866  Navarretia heterodoxa Milo S. Baker Aug 1950 12308 Sonoma near Kenwood (Hope Valley a short distance s of summit above Coleman Ranch); Hope Valley Comment
  HSC100966  Navarretia intertexta subsp. intertexta Peter Warner, Sarah Gordon 2011-5-27 205 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 159 Comment
  CAS-BOT-BC230374  Navarretia leucocephala subsp. bakeri Alice Eastwood; John Thomas Howell 1938-7-6 6083 Sonoma 2 miles N of Windsor Comment
  CAS-BOT-BC230379  Navarretia leucocephala subsp. bakeri James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  JEPS43458  Navarretia leucocephala subsp. bakeri W. L. Jepson 1921-6-2 9302 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  CDA20084  Navarretia squarrosa R. Gross 2002-12-7 s.n. Sonoma North Coast Ranges; Foote Ranch, 16041 Hwy 128, Kellogg. 0 Comment
  RSA94272  Navarretia squarrosa Peter Rubtzoff 1951-8-19 656 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  UCD39803  Navarretia tagetina Collector Unknown 1947-5-16 Sonoma 4.5 miles E. of Windsor. Comment
  HSC17152  Navarretia viscidula H. K. Sharsmith 1952-7-6 4178 Sonoma Stewart's Point Rd. 12.2 mi. W of Skagg's Springs 579 Comment
  SEINET3156469  Nemophila atomaria L. S. Rose 1933-5-9 33160 Sonoma Bodega Bay Comment
  UC1299129  Nemophila heterophylla Freed W. Hoffman April 1948 2757 Sonoma between Camp Meeker and Monte Rio (along Dutch Bill Creek); , btw Camp Meeker and Monte Rio Comment
  UC494180  Nemophila heterophylla H. E. and S. T. Parks 1930-5-9 611 Sonoma Knights Valley Comment
  JEPS3139  Nemophila heterophylla E. Ferguson 1920-4 356 Sonoma Mt. St. Helena Comment
  UC1057439  Nemophila menziesii G. Thomas Robbins 1937-3-26 42 Sonoma along the Guernville Highway near Village; near Village Comment
  UC24245  Nemophila menziesii var. atomaria H. N. Bolander April, 1864 3883 Sonoma Cloverdale Comment
  UCR265132  Nemophila menziesii var. menziesii Ann Howald 2015-4-1 3332 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  UC65022  Nemophila parviflora M. L. Baker 1898-4-3 15 Sonoma betw Guerneville and Cazadero; betw Guerneville and Cazadero Comment
  RSA0034040  Nicotiana Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC231513  Nicotiana D. E. Krause 1894-5-1 s.n. Sonoma Unspecified Comment
  UC1586101  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma ca 5 air mi s Cloverdale (point below Little Flat parking area w of bridge); Lake Sonoma 152 Comment
  UCD148416  Nicotiana quadrivalvis Peter Rubtzoff 1959-9-19 4284 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  SDSU655  Nuphar lutea subsp. polysepala D. F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  CAS-BOT-BC140454  Oemleria cerasiformis D. E. Breedlove 1976-3-27 39447 Sonoma Along Dry Creek, ca. 1 mile past Warm Springs Dam Comment
  CAS-BOT-BC243696  Orobanche valida subsp. howellii Donald V. Hemphill 1963-9-21 s.n. Sonoma Head of Yellow Jacket Creek, Mt. St. Helena 1310 Comment
  RSA177967  Orthocarpus attenuatus Robert F. Thorne 1965-4-20 34350 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  RSA789046  Orthocarpus erianthus Carrie A. Herd 1982-3-16 25 Sonoma Santa Rosa, S.W. corner of Fulton and Piner Roads Comment
  POM183041  Orthocarpus faucibarbatus A. A. Heller, H. E. Brown 1902-4-15 5292 Sonoma Santa Rosa. Comment
  RSA402033A  Orthocarpus lacerus Christopher Davidson 1977-6-20 6006 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UCD160904  Packera greenei James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3433 Sonoma Section 10, The Geysers, above Geysers Road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC227647  Panicum Peter Rubtzoff 1973-8-20 7232 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC376262  Panicum Greg de Nevers 1996-9-23 10882 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piney Canyon 487 Comment
  OBI30446  Panicum acuminatum John & Lucille Roos, Lucille Roos 1956-9-1 6598 Sonoma The Geysers Comment
  UC1146581  Panicum acuminatum var. acuminatum Freed W. Hoffman 1942-6-21 2143 Sonoma at Hillcrest on highway from Forestville to Sebastopol; North Coast Ranges Comment
  UC1254542  Panicum acuminatum var. acuminatum R. Spellenberg 1964-6-15 402 Sonoma 17 mi e Geyserville; The Geysers, e of Geyserville Comment
  UC971699  Panicum acuminatum var. acuminatum Leo Koch 1940-4-22 825 Sonoma bare slopes around Sulphur Creek Geysers (e of Cloverdale); Inner North Coast Ranges, Sulfur Creek Geysers Comment
  RSA94264  Panicum acuminatum var. acuminatum Peter Rubtzoff 1951-6-7 134 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  UCD32823  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Comment
  RSA0045170  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, at base of Al Cuneo's driveway. 91 Comment
  CAS-BOT-BC253798  Panicum hillmanii G. DeNevers 1981-6-20 1600 Sonoma Pepperwood Ranch. Mark West Creek Comment
  UCD88623  Parapholis incurva Beecher Crampton 1957-7-11 4342 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  SJSU5985  Parentucellia viscosa C. W. Sharsmith 1972-6-24 7806 Sonoma edge of Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol 48 Comment
  UCSB31794  Parentucellia viscosa Townsend, J. 1977-5-30 Sonoma South side calif. state 1166, 2 miles south of Forestville 365 Comment
  CAS-BOT-BC210044  Paspalum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 mi. SE of Bodega Hwy. (of Two Rock Church). Comment
  CAS-BOT-BC259692  Paspalum dilatatum Walter & Irja Knight; John Thomas Howell 1987-5-14 6386 Sonoma Llano Road near sewage treatment plant Comment
  JEPS128249  Pedicularis densiflora Roger Raiche 2000-5-5 096 .00 Sonoma The Cedars. Danfield Creek drainage near crest with Pepperwood Creek; topographic peak 2061. Gualala River, Wheatfield Fork watershed. Comment
  UC1063609  Pellaea andromedifolia E. Armstrong 1934-3-26 900 Sonoma 2 mi nw Camp Meeker; Sebastopol Quadrangle Comment
  HSC1057  Pellaea andromedifolia A. Sylvester, D. Sutherland, R. Spellenberg 1966-3-26 1346 Sonoma 12 mi. W of Big Geysers along Sulfur Cr. Comment
  CAS-BOT-BC245714  Penstemon newberryi var. sonomensis E. Swett 1878-6-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC327999  Pentachaeta alsinoides Alice Eastwood; John Thomas Howell 1938-5-15 5507 Sonoma Near Mark West Springs Comment
  SEINET12332457  Pentagramma triangularis F. H. Utech 1988-1 88 -226 Sonoma 3 mi S of Ft. Ross Historic Site and junction with Ft. Ross Road on CA 1 (Coastal Hwy) Mile 29.90 100 Comment
  JEPS128377  Pentagramma triangularis subsp. triangularis Roger Raiche 2000-4-23 044 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  OBI81671  Perideridia kelloggii Tracey Call, Viola Call 1963-7-12 2240 Sonoma 4 mi NW of Cloverdale Comment
  RSA224244  Perideridia kelloggii Peter Rubtzoff 1969-7-25 6120 Sonoma 6.5 miles NE of Penngrove, on Lichan Road 427 Comment
  CAS-BOT-BC413651  Persicaria amphibia Peter Rubtzoff 1971-9-3 6701 Sonoma Spring Creek Reservoir area Comment
  UCD165109  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC258014  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC419113  Persicaria lapathifolia Peter Rubtzoff 1963-8-24 5244 Sonoma Laguna de Santa Rosa east of Graton Comment
  UCD167961  Persicaria lapathifolia James Neilson 1981-7-16 4054 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker. Location information obtained from Neilson 4048 which was collected on the same day at Big Sulphur Creek at bridge crossing road to Cloverdale, SW 1/4 SE 1/4 Sect. 5, T11N, R9W.) Comment
  CAS-BOT-BC419270  Persicaria maculosa Peter Rubtzoff 1969-8-29 6171 Sonoma Beach of Salmon Creek ca. 1/2 mi. upstream from Hwy. #1 Comment
  UCD60448  Persicaria pensylvanica Brenda Grewell; Gene Cooley 2007-8-23 s.n. Sonoma Sebastopol, access from Cooper Road, west of the confluence of the Laguna de Santa Rosa with Gravenstein Creek on the DFG Laguna Wildlife Area's Lago Marsino parcel. Comment
  CAS-BOT-BC419428  Persicaria punctata Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  RSA26574  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  UC126010  Phacelia distans Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  RSA426095  Phacelia distans Alice Eastwood 1933-5-7 18841 Sonoma Sonoma Comment
  POM127624  Phacelia imbricata subsp. imbricata Milo S. Baker 1898-8-23 s.n. Sonoma Santa Rosa Canon [Canyon] Comment
  RSA178039  Phacelia imbricata subsp. imbricata Robert F. Thorne 1965-4-20 34390 Sonoma Los Alamos Road, ca. one to two miles northeast of State Highway 12. Comment
  JEPS1083  Phacelia nemoralis subsp. nemoralis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  CAS-BOT-BC154987  Phalaris Peter Rubtzoff; Nancy Harrison 1978-5-20 9175 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  UCD160753  Phalaris aquatica James A. Neilson Jr. 1975-5-23 3216 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC259023  Phalaris californica Lewis S. Rose 1962-6-1 62067 Sonoma 1 mi. nw of Freestone 76 Comment
  RSA783844  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh. Comment
  UCD164098  Phalaris lemmonii Peter Rubtzoff; Nancy Harrison 1978-5-20 9175 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  UCD88874  Phalaris lemmonii A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3580 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  SEINET10662674  Phalaris lemmonii P. Rubtzoff 1972-6-23 Rubtzoff 6784 Sonoma Atascadero Creek Marsh. Comment
  UC1023572  Phalaris minor Virginia Bufford 1936-5-19 259 Sonoma Bennett Valley 2 or 3 mi from Santa Rosa; Bennett Valley Comment
  CAS-BOT-BC250743  Phalaris paradoxa Peter Rubtzoff 1962-4-18 4802 Sonoma Border of Highway #101 east of Petaluma Comment
  CAS-BOT-BC253562  Phleum alpinum Alice Eastwood 1915-6-29 4874 Sonoma Bodega Point Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  SEINET12230309  Phoradendron bolleanum var. densum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -163 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UCD102207  Phoradendron leucarpum subsp. tomentosum Frederica Bowcutt 1997-7-19 2191 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air miles SSE of Red Mountain, Mid-slope on S facing side of Adobe Canyon along Vista Trail just E. of Vista Rock (prominent metamorphic rock outcrop). 579 Comment
  RSA247439  Phoradendron macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd). Comment
  CDA11976  Phoradendron villosum G. F. Hrusa, T. D. Wilfred 1995-12-3 12481 Sonoma North Coast Biodiversity Arena; Foote Ranch Property at NW base of Mt. St. Helena. Approx. 1/2 distance to summit along Ida Clayton Rd. Comment
  UCD138370  Phyllospadix scouleri P. G. Connors 1993-6-6 316 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  SEINET3290573 Image available Phyllospadix torreyi W. R. Russell, Roman Gankin 1956-11-14 s.n. Sonoma North end of Sonoma State PArk, about 3 miles north of Bodega Bay Comment
  CAS-BOT-BC140621  Physocarpus capitatus Peter Rubtzoff 1958-5-4 3627 Sonoma Forestville Marsh Comment
  UCD108156  Pickeringia montana Frederica Bowcutt 1994-6-25 1923 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  RSA796390  Picris echioides Peter Rubtzoff 1973-8-20 7221 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC176158  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  RSA796378  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  RSA796384  Picris echioides Peter Rubtzoff 1964-8-26 5489 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  HSC100961  Pilularia americana Peter Warner, Sarah Gordon 2011-5-16 200 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 0 Comment
  RSA516637  Pinus S. Flowers 1988-2-5 s.n. Sonoma Sonoma Rd. marker, Hwy One, 52.32 miles at Pebble Beach Access Trail, across Sea Ranch. Tree located 20 feet W of Hwy 1 and 12 feet N off parking entrance. Comment
  CAS-BOT-BC78333  Pinus attenuata Walter Knight; Irja Knight 1964-11-15 787 Sonoma above Johnson Dam - [Hood's] Hoods Peak Comment
  SEINET11738931  Pinus attenuata W. Knight, Knight, I. 1981-1 3981 Sonoma 5.2 mi up Cavedale road from jct of state route #12 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
  JEPS45844  Piperia transversa Eleanor Armstrong Jun 1932 507 Sonoma near Camp Meek Comment
  CAS-BOT-BC166943  Plagiobothrys Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA784981  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  RSA785156  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCD166129  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC154993  Plagiobothrys Peter Rubtzoff 1970-5-16 6217 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC166762  Plagiobothrys Peter Rubtzoff 1971-7-23 6618 Sonoma Laguna, Chileno Valley. Comment
  CDA13131  Plagiobothrys bracteatus G. F. Hrusa, R. Gross 1996-6-3 13066 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UCR105441  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5169 Sonoma Laguna de Santa Rosa, east of Graton Comment
  UCR279866  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6237 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  POM204149  Plagiobothrys greenei J. T. Howell 1934-3-27 11803 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  POM118682  Plagiobothrys nothofulvus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCR119034  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  RSA52651  Plagiobothrys nothofulvus I. L. Wiggins 1949-4-30 12067 Sonoma 4 miles W of Calistoga, just W of country line. Comment
  CAS-BOT-BC368047  Plagiobothrys reticulatus var. reticulatus Greg de Nevers 1989-4-1 9070 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murrys Gate. 400 Comment
  CAS-BOT-BC228494  Plagiobothrys strictus Rimo Bacigalupi 1926-3-27 1248 Sonoma Opposite Myrtledale Geyser 1 1/2 miles N of Calistoga Comment
  UCR118958  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma Santa Rosa Area, 3 miles west of Fulton, along Woolsey Road, just below Mount Olivet School 61 Comment
  SD130522  Plagiobothrys tenellus F. Almeda, G. DeNevers 1981-3-30 4892 Sonoma southeast facing slopes just west of the Redwood Canyon. Comment
  UCD164695  Plagiobothrys undulatus Peter Rubtzoff; Tim Tunison, Nancy Harrison 1976-6-5 8582 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCR279854  Plagiobothrys undulatus Peter Rubtzoff 1972-6-11 6780 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  RSA783849  Plagiobothrys undulatus Peter Rubtzoff 1972-5-25 6771 Sonoma Laguna, Chileno Valley. Comment
  RSA800599  Plantago Peter Rubtzoff 1965-8-16 5596 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  UCD167333  Plantago erecta James Neilson 1974-4-17 s.n. Sonoma Mayacmas Mountains. Big Geysers. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET6990031  Plantago erecta A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area, 1 mile east of Occidental. Comment
  SD39913  Plantago lanceolata Edith A. Purer 1932-7-21 4050 Sonoma Bodega Bay Comment
  UCD160860  Plantago lanceolata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3289 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
  UCD124577  Plantago lanceolata Chris Bowen 1974-5-19 128 Sonoma West of Whalers' Reach, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UCSB50228  Plantago maritima Gray, John 1976-5-5 Sonoma Bluffs on Duncan's Landing State Beach; T6N R11W 15 Comment
  CAS-BOT-BC258396  Plantago subnuda Peter Rubtzoff 1958-8-23 3907 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UC565399  Plantago subnuda G. Thomas Robbins 1937-6-5 220 Sonoma Pitkin Ranch, Vine Hill region, about 10 miles west of Santa Rosa. Comment
  UC1134746  Platanthera leucostachys H. S. Yates 1936-5-16 5594 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quad. 30 Comment
  UC4551  Platanthera leucostachys F. T. Bioletti 1892-1 Sonoma Point Arena Comment
  CHSC22752  Platystemon californicus Robert A. Schlising 1962-3-31 2111 Sonoma California Coast Ranges. In pastured field. Comment
  UC855269  Platystemon californicus Alice Eastwood 1921-4-24 10342 Sonoma Santa Rosa Comment
  SBBG53028  Platystemon californicus M. R. Benedict 1978-4-18 Sonoma St Hwy 128, 5 mi W of Calistoga Comment
  JEPS89125  Plectritis brachystemon A. A. Heller 1938-5-14 15088 Sonoma e of Bodega Bay (at the Russian settlement at Fort Ross, (farther up the coast)); Fort Ross, Russian settlement Comment
  RSA51334  Pleuropogon californicus P. H. Raven 1958-4-6 1550 Sonoma Cotati, to Santa Rosa Comment
  SD71039  Pleuropogon californicus David L. Morgan 1961-4-25 Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati Comment
  CDA19188  Pleuropogon californicus L. Correia 2001-5-23 PDR 038348 Sonoma North Coast Ranges; Stony Pt Rd, Petaluma. 0 Comment
  CAS-BOT-BC260975  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-4-26 3600 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC260976  Pleuropogon californicus var. californicus Alice Eastwood 1921-4-24 10316 Sonoma Santa Rosa Comment
  CAS-BOT-BC260981  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 8 Sonoma Low wet field near Stemple Creek, NW angle of the junction of Pepper Road wihich runs east to west and Meacham Road coming down from the north, 3 mi. sw. of Cotati Comment
  UCD90203  Pleuropogon californicus var. californicus A. A. Beetle 1946-5-6 4263 Sonoma 1/2 mile south of Cotati. Comment
  NY431399  Pleuropogon hooverianus P. P. But 1975-5-17 P 4 Sonoma Along Bohemian Hwy. at Freestone Flat Road, 0.5 mile from Freestone Comment
  CAS-BOT-BC311837  Poa Peter Rubtzoff 1974-4-6 7350 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC255608  Poa annua John Thomas Howell; et al. 1981-5-14 53940 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain Comment
  CAS-BOT-BC255612  Poa annua Peter Rubtzoff 1952-3-23 884 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the E Comment
  SEINET13347297 Image available Poa annua A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  HSC10670  Poa compressa J. V. Lenz 1947-4-19 Sonoma Santa Rosa. Comment
  RSA129393  Poa howellii H. S. Yates 1936-5-16 5608 Sonoma 1 mile NW of Mountain View School. 91 Comment
  UCD160974  Poa howellii James A. Neilson Jr. 1975-7-8 3409 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD90524  Poa kelloggii Beecher Crampton 1955-6-17 2947 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC256037  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh Comment
  JEPS75077  Poa pratensis subsp. pratensis Edward Lee 1934-4-30 754 Sonoma 1 mi w 2 Rock Junction Comment
  UCD91674  Poa secunda subsp. secunda P. B. Kennedy 1919-8-18 X 3270 Sonoma Chiquita. Comment
  CAS-BOT-BC244193  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  RSA144371  Poa trivialis Roxana S. Ferris, Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  RSA227230  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh. Comment
  UCD92096  Poa trivialis Beecher Crampton 1955-6-17 2939 Sonoma 0.5 mile south of Guerneville. Comment
  CAS-BOT-BC244264  Poa unilateralis Catherine Best 1984-5-11 935 Sonoma Above the ocean at Salt Point State Park Comment
  CDA13130  Pogogyne douglasii G. F. Hrusa, R. Gross 1996-6-3 13065 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  CDA41540  Pogogyne douglasii G. F. Hrusa, A. Buckmann 1996-10-5 13586 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. 2 mi. SW of Calistoga. Comment
  SDSU19283  Pogogyne douglasii Scott McMillan 1993-6-10 10 VI93A Sonoma Bennett Rd. north of Glen Ellen. Comment
  CDA11013  Polycarpon tetraphyllum G. F. Hrusa 1993-3-14 10527 Sonoma North Coast Biodiversity Arena; NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 152 Comment
  JEPS43011  Polygala californica Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  SEINET5845267  Polygala californica J. Grimes 1981-5-22 1991 Sonoma Dry Creek Road at intersection with Skaggs Springs-Stewarts Point road above Warm Springs Dam west of Geyserville Comment
  CAS-BOT-BC258038  Polygonum Peter Rubtzoff 1975-8-28 8363 Sonoma Kenwood Marsh. Comment
  POM144893  Polygonum aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  RSA0072156  Polygonum convolvulus Greg de Nevers 1992-8-1 10239 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 500 Comment
  JEPS87242  Polygonum douglasii Jack and Betty Guggolz 1991-10-9 1237 Sonoma 3/4 mi nnw Camp Meeker 195 Comment
  UC727705  Polygonum lapathifolium Milo S. Baker 1946-8-17 11562 Sonoma The Laguna; at the crossing of the Occidental Rd Comment
  UC1042522  Polygonum punctatum Peter Rubtzoff 1952-10-26 1338 Sonoma Lower Marsh Pitkin Marsh (near Forestville) Comment
  POM144838  Polygonum punctatum A. A. Heller 1902-8-20 6053 Sonoma Lagoon at Scbastopol 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
  UC1606996  Polypodium Margaret Rockwood and L. Esposito 1995-3-1 644 Sonoma ca. 3 km nw Bodega Comment
  CAS-BOT-BC72012  Polypodium californicum J. W. Congdon s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC72010  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  UC1784201  Polypodium scouleri Ethel Crum 1930-1 748 Sonoma Petaluma Comment
  UC440198  Polypodium scouleri Michener and Bioletti 1897-7-6 Sonoma Gualala Comment
  CAS-BOT-BC332701  Polypogon Peter Rubtzoff; Nancy Harrison 1974-9-7 7889 Sonoma Hinebaugh Creek in Rohnert Park, in creek bed under Commerce Blvd. bridge. Comment
  CAS-BOT-BC350910  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC350942  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0028900  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCR248938  Polypogon interruptus Peter Rubtzoff 1973-7-24 7194 Sonoma Upper Green Valley Marsh Comment
  SD39929  Polypogon monspeliensis Edith A. Purer 1932-7-24 4082 Sonoma Bodega Bay, stabilized dunes Comment
  SEINET8465033 Image available Polypogon monspeliensis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16224 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
  CAS-BOT-BC237413  Polypogon monspeliensis John H. Thomas 1976-6-17 18355 Sonoma Near N end of Sea Ranch, NW part of county, about 4 miles S of Gualala Comment
  UCD91413  Polypogon monspeliensis Terri Williamson 1990-5-24 73 Sonoma Cal-State Hayward Campus, Hayward. 243 Comment
  UC42162  Polystichum californicum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  HSC86326  Polystichum californicum R. W. Becking 1984-3-9 Sonoma Cloverdale, Hwy. 128 W 2 mi. from Hwy. 101 intersection, Alderglen Springs Comment
  UCD163795  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC445293  Portulaca oleracea Peter Rubtzoff 1958-8-30 3941 Sonoma Russian River. Vacation Beach near Guerneville. Comment
  CAS-BOT-BC376233  Potamogeton Greg de Nevers 1992-8-16 10246 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Franz Creek 304 Comment
  CAS-BOT-BC267132  Potamogeton M. S. Baker 1899-6-1 3657 b Sonoma Near Valley Ford Comment
  CAS-BOT-BC251265  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC257684  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area. Comment
  UCR244635  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  UCR244637  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  UCD165770  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC454085  Potamogeton pusillus subsp. pusillus D. E. Breedlove 1980-6-27 44736 Sonoma Pepperwood Ranch W of Knights Valley Comment
  HSC98398  Potentilla anserina subsp. pacifica James Faro 1962-4-17 28 Sonoma W side of Bodega Bay, N end Comment
  JEPS23733  Prunella vulgaris Eleanor Armstrong May 1932 498 Sonoma near Camp Meeker; near Camp Meeker 121 Comment
  NY622091  Prunella vulgaris var. atropurpurea A. A. Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  POM70072  Prunella vulgaris var. lanceolata Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CDA40756  Prunella vulgaris var. lanceolata T. C. Fuller 1958-5-24 4001 Sonoma Vinehill District. 0 Comment
  CAS-BOT-BC159825  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC159826  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  UCD113175  Prunus cerasifera Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 75 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. S of Sonoma Creek, 1/8 mile beginning of Hillside Trail (lower slope). 381 Comment
  UC861010  Prunus virginiana var. demissa Alice Eastwood 1922-5-5 11295 Sonoma Mount St. Helena Comment
  CAS-BOT-BC356498  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-10-3 379 Sonoma Off ramp freeway US 101 & Railroad Ave., Cotati Comment
  CAS-BOT-BC356924  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-9-1 258 Sonoma Sulphur Creek Rd - 1 mi from US 101 near Cloverdale Comment
  CAS-BOT-BC356929  Pseudognaphalium californicum G. DeNevers 1981-6-15 1531 Sonoma Pepperwood Ranch. Below the big spring below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  UC176853  Pseudognaphalium stramineum P. B. Kennedy 1912-5-27 Sonoma Bodega Bay Comment
  CAS-BOT-BC361617  Pseudognaphalium stramineum Peter Rubtzoff 1951-8-18 620 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  UCR119042  Pseudotsuga menziesii Beecher Crampton 1960-10-10 5789 Sonoma Mayacmas Mountains, south foothills, 5 miles northwest of Calistoga, Franz Valley, along Highway 128. 183 Comment
  CAS-BOT-BC166710  Psilocarphus Peter Rubtzoff 1959-6-20 4150 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC176135  Psilocarphus Peter Rubtzoff 1974-5-26 7489 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD148450  Psilocarphus Peter Rubtzoff 1963-6-6 5168 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UCD167966  Psilocarphus James Neilson 1977-6-12 3921 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  UC1601292  Psilocarphus oregonus E. Palmer Sonoma Petaluma Comment
  UCD133718  Psilocarphus tenellus var. tenellus Frederica Bowcutt 1996-5-21 2142 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, campfire center, N of Somoma Creek about 40 meters. 365 Comment
  CAS-BOT-BC262992  Psoralea Peter Rubtzoff; Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 miles south of junction with Sonoma Mountain Road (2.7 miles north of Lichau Road junction). Comment
  SEINET6033390  Pteridium aquilinum var. pubescens P. L. Henderson 1977-4-30 77 -6 Sonoma Bodega Bay, on high ground above coast Comment
  CAS-BOT-BC334469  Pyracantha fortuneana G. K. Helmkamp; E. A. Helmkamp 2010-6-5 16254 Sonoma North Coast Ranges: junction of Martinelli Rd and River Rd, 4.65 air mi. due E of Guerneville 9 Comment
  UCD167310  Pyrola aphylla James Neilson 1977-6-12 3917 Sonoma Mayacmas Mountains, 1/4 mi south of well site #1. On ridge between Coon Creek and McMicking Ranch. (McMicking Ranch is also known as Santa Angelina Ranch. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC460848  Pyrola aphylla W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5449 Sonoma Cherry Creek Road W of Cloverdale Comment
  CAS-BOT-BC460850  Pyrola aphylla Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UCD45329  Quercus X chasei John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch west of Cummingham, Sonoma County. Comment
  RSA34658  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  UCD19428  Quercus X howellii Shannon Murphy 2001-8-1 s.n. Sonoma Austin Creek State Park. 150 Comment
  CDA23774  Quercus agrifolia D. G. Kelch 2006-10-4 06 .497-C Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  UC1193299  Quercus agrifolia P. Zinke 1950-4-25 116 Sonoma 4 mi e Cloverdale (Quad. 61A4) 365 Comment
  UCD45136  Quercus agrifolia J. Adams; J. Weick 1993-5-8 258 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. Tree; Rocky slope habitat south facing. Comment
  CAS-BOT-BC62714  Quercus chrysolepis Irja Knight; Walter Knight 1964-11-15 786 Sonoma Hood's Peak below Johnson Lake Comment
  JEPS37408  Quercus douglasii W. L. Jepson 1918-6-21 Sonoma w of Windsor (Calhoun Ranch) Comment
  UC1193272  Quercus douglasii G. W. Tourtillott 1950-4-28 14 Sonoma 1 mi e Hale ranch; Sulphur Creek 213 Comment
  CAS-BOT-BC79571  Quercus dumosa John Thomas Howell 1926-10-3 2214 Sonoma Petrified Forest Comment
  CAS-BOT-BC94152  Quercus durata D. E. Breedlove 1976-3-27 39445 Sonoma along Dry Creek Road west of Warm Springs Dam Comment
  SD113991  Quercus durata Darley F. Howe 1972-4-28 4813 Sonoma Mt Hood Range, Trinity Road 395 Comment
  SEINET12030394  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  SEINET12030395  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5101 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  UCSB24433  Quercus durata var. durata McMinn, Howard 1938-9-5 Sonoma Hood Mountain Range Comment
  SJSU16080  Quercus garryana Allen W. Jacobs 1934-8-1 3 Sonoma Found near the Hilton on NW slope above the Russian River Comment
  CDA21150  Quercus garryana var. garryana G. F. Hrusa, G. L. Stebbins 1993-10-3 11463 Sonoma Sugarloaf Ridge State Park; Nr. summit of Bald Mountain. 731 Comment
  UCD46086  Quercus garryana var. garryana J. M. Tucker 1950-11-19 2016 Sonoma 9.8 miles south of Healdsburg, beside road to Rio Nido, Sonoma County, California. Comment
  SFV17742  Quercus kelloggii J. M. Tucker 1952-9-20 2621 Sonoma Voight Ranch, about 1.25 miles (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse. Comment
  UC1281159  Quercus kelloggii H. E. McMinn 1938-9-5 5256 Sonoma Hood Mt. Range Comment
  UCD46673  Quercus kelloggii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 73 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Beginning on Hillside Trail. 381 Comment
  UCD46737  Quercus kelloggii John M. Tucker 1952-9-20 2617 Sonoma California, Sonoma Co,; Voight Ranch, ca. 1.25 (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  SEINET12030401  Quercus kelloggii W. Knight, Knight, I.; Edwards, S. 1986-1 5322 Sonoma along trail to summit of Geyser Peak. access from Healdsburg-Geysers Road 872 Comment
  CAS-BOT-BC62806  Quercus lobata W. R. Dudley 1895-2-23 s.n. Sonoma near Knight Valley Winery Comment
  CDA6114  Quercus lobata D. G. Kelch 2007-5-13 7 .292 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD47144  Quercus parvula var. shrevei Willis L. Jepson 1893-9-23 s.n. Sonoma Mt. St. Helena. Napa River Basin. 914 Comment
Read comments
Jul 28 2008
  CAS-BOT-BC134863  Quercus wislizeni G. DeNevers 1981-6-27 1694 Sonoma Pepperwood Ranch. On a walk from Franz Valley Road up the main Creek draining the Devil's Kitchen and W along a chaparral ridge. Volcanic. W of Creek Comment
  UC1193235  Quercus wislizeni R. H. Neuns 1950-4-26 95 Sonoma 5 mi w The Geysers (Sulphur Creek Rd) 457 Comment
  CDA31008  Quercus wislizeni var. frutescens D. G. Kelch, Troy McGregor 2010-8-22 10 .347 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  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
  CDA10852  Quercus wislizeni var. wislizeni G. F. Hrusa, G. L. Stebbins 1994-4-8 11728 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  CDA130  Quercus wislizeni var. wislizeni D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .282 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC379159  Ranunculus aquatilis var. aquatilis Volney Rattan 1884-6-10 s.n. Sonoma Boyes Spring Comment
  CAS-BOT-BC379124  Ranunculus aquatilis var. diffusus Peter Rubtzoff 1964-7-29 5434 Sonoma Brooks Gulch Marsh Comment
  SEINET12087446  Ranunculus californicus A. Eastwood, Howell, J. T. 1939-1 s.n. Sonoma Sonoma coast N of Bodega Bay Comment
  UCD123944  Ranunculus californicus Caitlin Lewis; William Mutch 1993-4-17 6 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain. 1 mile. Near visitor center. 365 Comment
  UCD19721  Ranunculus californicus C. H. Lamoureux; J. M. Tucker and June McCaskill 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  SD88412  Ranunculus californicus var. californicus Darley F. Howe 1972-4-28 4818 Sonoma Trinity Road, Mt. Hood Range 121 Comment
  CAS-BOT-BC378687  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-3-11 564 Sonoma Petaluma, Cor. La Cresta Dr. and Summit Dr. Comment
  CAS-BOT-BC378693  Ranunculus californicus var. californicus Peter Rubtzoff 1955-4-30 1792 Sonoma Stormy Point Marsh Comment
  POM269865  Ranunculus lobbii Carl V. Meyer 1929-3-24 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC83437  Ranunculus lobbii Margot Lowry 1983-5-5 33 Sonoma 2 miles north on Adobe Road from Sonoma Mountain and Adobe Road junction. 30 Comment
  JEPS55144  Ranunculus muricatus W. L. Jepson 1911-4-30 4189 Sonoma near Glen Ellen; Sonoma Valley, Eldridge 60 Comment
  UCD67951  Ranunculus muricatus Wesley Ebert 1977-4-9 2 Sonoma Crane Creek, downstream from Pressley Rd. Growing in low spot of short, grazed grassland. Clayey soil. Bright sunshine. Yellow flowers. 106 Comment
  UCD96242  Ranunculus muricatus Caitlin Lewis; William Mutch 1993-4-17 11 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. In opening of mixed evergreen forest adjacent to Sonoma Creek. 365 Comment
  UC1542900  Ranunculus occidentalis H. E. and S. T. Parks 1930-5-9 614 Sonoma Alexander Valley; on banks of stream entering valley Comment
  UC72899  Ranunculus orthorhynchus var. bloomeri Miss M. Alice King April, 1897 Sonoma near Healdsburg Comment
  POM202755  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5758 Sonoma Hillside between Calistoga and Knight's Valley. Comment
  RSA534613  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1962-5-11 4827 Sonoma Freestone Marsh Comment
  RSA534706  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1959-5-31 4084 Sonoma Freestone Marsh Comment
  SEINET11522461  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Sonoma Valley, along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend. 6 Comment
  HSC100877  Reseda luteola Peter Warner 2011-6-16 216 Sonoma Jenner Headlands property, NE area on ridge between Jenner Gulch and Kidd Creek watersheds, ~400 m E from gate at boundary with the E & P Ranch, along 'east ridge' road. 413 Comment
  UC1121738  Rhamnus californica C. M. Belshaw 1936-3-7 1558 Sonoma 0.25 mi w Trenton; Sebastopol Quad. 182 Comment
  UCR42378  Rhamnus californica L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  JEPS78946  Rhamnus californica subsp. californica Edward Lee 1936-6-8 2213 Sonoma North Ridge to Smith Creek (Trail 3A) Comment
  UC1193389  Rhamnus tomentella subsp. tomentella R. H. Neuns 1950-5-20 100 Sonoma 6 mi e Geyserville 441 Comment
  UCD141958  Rhododendron occidentale G. F. Hrusa 1989-5-8 7009 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  UCD117913  Rhododendron occidentale Donna Allen 1977-5-24 s.n. Sonoma 30 miles on Dry Cr. Road to Stewart's Pt. Comment
  CAS-BOT-BC200337  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  CDA32769  Rhododendron occidentale var. occidentale G. F. Hrusa 1990-6-2 8062 Sonoma Outer North Coast Ranges; Skagg's Springs road from Stewart's Point, approx. 1 mile inland from Hwy 1. 91 Comment
  CDA32770  Rhododendron occidentale var. occidentale G. F. Hrusa, T. D. Wilfred 1992-5-26 9488 Sonoma Outer North Coast Ranges; Kortum Canyon Rd., near its intersection with Hwy 29 in town of Calistoga. 121 Comment
  CAS-BOT-BC111888  Rhynchospora californica Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111891  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  UC1100684  Rhynchospora globularis var. globularis Herbert L. Mason 1946-7-4 12882 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC111930  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  JEPS128275  Ribes californicum Roger Raiche 2004-2-15 043 .04 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC58224  Ribes californicum A. A. Heller 1903-4-24 6613 Sonoma near Cazadero Comment
  CAS-BOT-BC93059  Ribes californicum var. californicum Greg de Nevers 1987-2-10 8126 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  HSC100099  Ribes californicum var. californicum J. P. Smith, & J. O. Sawyer 2010-4-26 12718 Sonoma 211 Comment
Read comments
Nov 24 2014
  CAS-BOT-BC168998  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1962-4-18 4801 Sonoma Laguna de Santa Rosa northeast of Graton, near Laguna Road 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
  CAS-BOT-BC212921  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  UC75436  Ribes menziesii Milo S. Baker 1898-4-3 24 Sonoma between Forestville and Guerneville Comment
  UC75450  Ribes menziesii Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewarts Point (Coast Road) Comment
  SEINET12217220  Ribes menziesii F. H. Utech 1988-1 88 -203 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  UC75468  Ribes roezlii Milo S. Baker 1898-4-4 25 Sonoma between Cazadero and Sea View Comment
  UC11484  Ribes roezlii var. cruentum F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  JEPS9657 Image available Ribes victoris W. L. Jepson 1893-5-5 13507 Sonoma Middletown Grade Mt. St. Helena; Middletown Grade, Mt. St. Helena Comment
  SEINET5660524 Image available Ribes victoris Paul M. McKenzie, Lowell E. Urbatsch; Annette Parker; Karla Wilzer 1971-1 176 Sonoma On North slope near construction site; ca. 8 miles west of Geyserville on Stewarts Point--Skaggs Springs Roads.; Stewarts Point Comment
  CAS-BOT-BC362937  Rigiopappus leptocladus Alice Eastwood 1915-6-5 4587 Sonoma Petrified Forest Comment
  UC1333293  Romanzoffia californica Malcolm L. Byce 1936-3-22 112 Sonoma 3 1/2 mi. w. Cazadero (Ward Creek); Ward Creek Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  CAS-BOT-BC152673  Rosa californica L. R. Abrams 1916-7-4 5782 Sonoma Road between Petrified Forest and Mark West Co. Comment
  RSA39874  Rosa eglanteria Philip A. Munz 1947-10-9 12210 Sonoma 2 miles NE of Armstrong Redwoods State Park. 91 Comment
  JEPS90530  Rosa gymnocarpa Elizabeth Cook 1975-5-18 89 Sonoma 5 mi. w. Oakville (on Oakville grade) Comment
  CAS-BOT-BC146775  Rosa gymnocarpa G. DeNevers 1982-5-18 2034 Sonoma Near Redwoods end at the Redwoods Comment
  CAS-BOT-BC146776  Rosa gymnocarpa R. D. Stone 1983-6-14 537 Sonoma In headwaters of Squaw Cr. drainage ca. 1.2 mi. NW of Geyser Rock 975 Comment
  UCD113886  Rosa nutkana Chris Bowen 1974-6-2 150 Sonoma Near Sea Gate Road, Unit 7 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC148198  Rosa rubiginosa Walter Knight; Irja Knight 1963-10-3 360 Sonoma Pasture edge at Stony Point and Meacham Rds. Comment
  NY415883  Rosa sonomensis L. Greene 1888-9-30 s.n. Sonoma Comment
  UC905110  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mt. (w slope of mt.) 243 Comment
  CAS-BOT-BC274268  Rostraria cristata Beecher Crampton 1957-5-16 4038 Sonoma Hot Springs Road, 3 miles southwest of Cloverdale Comment
  CAS-BOT-BC262827  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  UCR218648  Rubus discolor George K. Helmkamp, E. A. Helmkamp 2010-6-4 16213 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  UCD17812  Rubus leucodermis H. Olmo 8-10 May 1962 62 07 Sonoma California. Sonoma County: 7.4 miles from junction of road to Fort Ross, in Cazadero. Near entrance to Horseshoe Ranch. Comment
  CAS-BOT-BC147183  Rubus parviflorus Alice S. M. McKenzie 1981-2-23 19 Sonoma Calif. State Hwy. #1 at Fort Ross Gulch Comment
  UCD113895  Rubus parviflorus T. E. Weier 1942-5-20 s.n. Sonoma Gualala River. Comment
  UC73079  Rubus spectabilis Milo S. Baker 1899-6-26 Sonoma Russian River , at its mouth (at its mouth) Comment
  SEINET11912601  Rubus ulmifolius var. inermis H. K. Wagnon 1990-1 1976 Sonoma bank of Santa Rosa Creek by Brookwood Ave. bridge, Santa Rosa Comment
  CAS-BOT-BC157183  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  HSC99998  Rubus ursinus J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12694 Sonoma Salt Point State Park 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
  UCD114012  Rubus ursinus Loredo-Prendeville; Canon 1993-4-24 77 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 381 Comment
  CAS-BOT-BC164081  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  CAS-BOT-BC166904  Rumex Peter Rubtzoff 1962-7-28 5007 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC421849  Rumex conglomeratus Mary P. Wells 1985-7-1 522 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC421853  Rumex conglomeratus A. A. Heller 1902-6-7 5660 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC433410  Rumex crispus Mary P. Wells 1984-5-30 317 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC433696  Rumex obtusifolius Peter Rubtzoff 1987-7-18 9800 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road. Comment
  CAS-BOT-BC166929  Rumex obtusifolius Peter Rubtzoff 1959-6-20 4167 Sonoma Willow Creek Marsh. Comment
  RSA783832  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa area East of Graton, West of the Laguna. Between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC433741  Rumex occidentalis Mary P. Wells 1987-2-28 846 Sonoma Within the fork in the north creek south of Pacific Reach. The Seaside Meadow of The Sea Ranch. Comment
  CAS-BOT-BC433851  Rumex pulcher D. E. Breedlove 1980-6-27 44735 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD101464  Rumex pulcher Frederica Bowcutt 1994-6-24 1881 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. Along Goodspeed trail, about 1/8 mile from trailhead on Adobe Canyon Rd. 213 Comment
  UCD101469  Rumex pulcher M. Wiesendanger 1927-5-5 708 Sonoma location unknown. Comment
  HSC49283  Rupertia physodes J. P. Smith, J. O. Sawyer 1977-6-5 2880 Sonoma Canyon Rd. about 1/2 mi. W of US 101 across from Pendrocelli Winery Comment
  SEINET11764773  Ruppia maritima P. G. Connors 1991-1 s.n. Sonoma Bodega Head Comment
  OBI35898  Rytidosperma penicillatum David J. Keil 1983-6-30 17216 Sonoma Stillwater Cove Regional Park Comment
  SEINET3895885  Sagittaria latifolia Lewis S. Rose 1960-9-14 60091 Sonoma Laguna de Santa Rosa 2 mi. e. of Graton.; 0 15 Comment
  CAS-BOT-BC290655  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC290708  Salix Peter Rubtzoff 1974-4-6 7358 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC290712  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh. Comment
  RSA0015573  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. At south margin of the area. Comment
  RSA0015574  Salix Peter Rubtzoff 1973-9-9 7313 Sonoma Kenwood Marsh. Comment
  RSA0019508  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC103084  Salix bonplandiana Peter Rubtzoff 1952-6-15 1265 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC103089  Salix bonplandiana Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7838 Sonoma Kenwood Marsh Comment
  RSA534566  Salix bonplandiana Peter Rubtzoff 1957-5-4 3320 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  POM219057  Salix exigua Carleton R. Ball, Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 38 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  RSA534507  Salix exigua Peter Rubtzoff 1966-4-30 5698 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  UC453099  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 Sonoma Russian R. at Bohemian Grove near Monte Rio Comment
  UC482326  Salix laevigata C. R. Ball and H. E. Parks 1931-2-17 22 Sonoma 1 mi s. Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  CAS-BOT-BC128053  Salix lasiandra var. lasiandra Peter Rubtzoff 1955-4-30 1800 Sonoma Sonoma County Marshes - Stony Point Marsh Comment
  CAS-BOT-BC128064  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC107095  Salix lasiolepis Peter Rubtzoff 1952-6-15 1263 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC107096  Salix lasiolepis Peter Rubtzoff 1952-3-23 894 Sonoma south of the Upper Marsh Comment
  POM219055  Salix lasiolepis Carleton R. Ball, Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 34 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SD37469  Salix lasiolepis Edith A. Purer 1932-7-24 4085 Sonoma Near Bodega Bay, sand dunes Comment
  UC453108  Salix lasiolepis W. A. Setchell 1931-8-1 22 Sonoma Russian R. between Monte Rio and Duncan's Mills; Russian R. Comment
  UCD111597  Salix lasiolepis Frederica Bowcutt 1997-7-18 2177 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD111595  Salix lasiolepis Frederica Bowcutt 1996-3-24 2073 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. Trail head for Lower Bald Mtn. Trail @ group campsite just west of Sonoma Creek. 381 Comment
  CAS-BOT-BC107355  Salix lasiolepis var. bigelovii Alice Eastwood 1915-6-30 s.n. Sonoma Bodega Comment
  CAS-BOT-BC107356  Salix lasiolepis var. bigelovii A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay Comment
  RSA534505  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch 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
  CAS-BOT-BC126199  Salix scouleriana Peter Rubtzoff 1951-8-18 627 Sonoma Western branch of the Upper Marsh Comment
  UC517940  Salix scouleriana W. A. Setchell 1934-3-17 Sonoma beside rd. entering Bohemian Grove Monte Rio Comment
  CAS-BOT-BC128911  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  HSC20118  Salix sitchensis Theodore J. Crovello 1965-9-14 720 Sonoma Along Mayacama Creek, 75-100 yds. W of junction with bridge of Hwy. 128 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
  UC482066  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay Comment
  CAS-BOT-BC403775  Salpichroa origanifolia Greg de Nevers 1991-5-14 9749 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Ward House 475 Comment
  CAS-BOT-BC245885  Sambucus nigra subsp. caerulea Peter Rubtzoff 1966-9-10 5818 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC245886  Sambucus nigra subsp. caerulea Peter Rubtzoff 1970-9-8 6382 Sonoma River Road ca. 3 miles west of Fulton Comment
  JEPS102077  Sanguisorba minor subsp. muricata Dean Schlichting 2002-5-16 Sonoma Bohemian Grove 76 Comment
  UCD127906  Sanicula arctopoides Oz Garton 1974-4-6 s.n. Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC223348  Sanicula bipinnatifida L. R. Abrams 1918-4-27 6919 Sonoma Independence School near Healdsburg Comment
  UC1022490  Sanicula crassicaulis C. Ritchie Bell 1952-3-19 3 X349 Sonoma 1 mi s of Geyserville Comment
  JEPS128263  Sanicula laciniata Roger Raiche 2000-4-15 035 .00 Sonoma The Cedars. Laton Camp. Lower Russian River, Big Austin Creek watershed. Comment
  UC1123195  Sanicula laciniata B. O. Schreiber 1938-2-27 2465 Sonoma 2 mi nw of Mark West Springs 121 Comment
  CAS-BOT-BC251245  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 miles east of Guerneville. Comment
  CAS-BOT-BC436873  Saxifraga Alice Eastwood 1917-5-13 n.s. Sonoma Between Bodega and the bay Comment
  POM142444  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC441180  Saxifraga mertensiana J. Burtt Davy 1896-3-14 1667 Sonoma Adobe Canon Comment
  JEPS77257  Scandix pecten-veneris Robert M. Lloyd 1963-4-24 2395 Sonoma 13.8 mi from State Highway 12 (on road to Oakdale) 365 Comment
  RSA0022392  Schedonorus arundinaceus Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC111638  Schoenoplectus californicus Peter Rubtzoff 1971-9-1 6680 Sonoma Spring Creek Reservoir area. Comment
  RSA227213  Schoenoplectus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma Sonoma County: Guerneville Marsh. Comment
  CAS-BOT-BC111800  Schoenoplectus pungens var. badius Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  UC1153783  Scirpus cernuus B. Crampton 1957-7-22 4374 Sonoma 0.9 mi s Stewart's Point (along State Hwy 1); s of Stewart's Point Comment
  UCR249061  Scirpus maritimus Peter Rubtzoff 1954-8-6 2021 Sonoma Bodega Harbor Marsh 0 Comment
  POM186202  Scirpus microcarpus A. A. Heller 1902-6-24 5746 Sonoma Near Burke s Sanitarium. Comment
  CAS-BOT-BC111107  Scirpus microcarpus Peter Rubtzoff 1951-8-4 583 Sonoma A marshy opening south of the Upper Marsh, at the edge of a thicket. Comment
  RSA227198  Scirpus microcarpus Peter Rubtzoff 1958-9-6 3982 Sonoma Laguna de Santa Rosa, east of Sebastopol 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
  JEPS74327  Scoliopus bigelovii Robert M. Lloyd 1963-2-24 2044 Sonoma abandoned picnic ground 0.5 mi. n. Occidental (on rd. to Camp Meeker) 45 Comment
  SEINET12057679  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  UCSB13223  Scoliopus bigelovii Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Nr. Monte Rio Comment
  RSA54039  Scribneria bolanderi J. T. Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente. Comment
  RSA73958  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma East side Highway 12, ca. 1/4 mile North of Caliente. Comment
  CAS-BOT-BC320545  Scrophularia californica Peter Rubtzoff 1955-8-20 2069 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC320546  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD124561  Scrophularia californica Frederica Bowcutt 1994-5-21 1835 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. On side of hillside trail past the junction with Digger Pine trail approx. 1 mile. 411 Comment
  UC112913  Scutellaria californica Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UCD160919  Scutellaria californica James A. Neilson Jr. 1975-7-8 3382 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  UCR254833  Scutellaria tuberosa Greg de Nevers 1997-4-16 10933 Sonoma North Coast Range, Cavedale Road 152 Comment
  RSA0004003  Scutellaria viarum A. A. Heller 1902-6-27 5786 Sonoma West of Windsor near Russian river. Comment
  UCD135987  Selaginella wallacei Frederica Bowcutt 1994-6-24 1897 a Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon, Vista Trail about 1/2 way between Bald Mtn. Trail and Headwater Trail. 566 Comment
  UCR45083  Senecio greenei L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UCR280142  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  RSA790297  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma Laguna Lake, Chilano Valley. Comment
  CAS-BOT-BC363762  Senecio integerrimus F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  UC1299457  Senecio minimus Freed W. Hoffman 1946-9-1 1236 Sonoma ocean bank Bodega Park; North Coast Ranges, Bodega Park Comment
  UCD148366  Senecio minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  UCR279861  Senecio minimus Peter Rubtzoff 1954-8-13 1706 Sonoma Bodega Head Marsh 2 Comment
  UC1299455  Senecio sylvaticus Freed W. Hoffman 1948-5-30 2680 Sonoma near Guerneville; North Coast Ranges, Poole Ridge Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC80321  Sequoia sempervirens John Thomas Howell 1924-3-22 285 Sonoma Near Camp Meeker Comment
  CDA31319  Sequoia sempervirens D. G. Kelch, Ed Biffin 2010-5-3 10 .195 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  LA16918  Sequoia sempervirens C. B. Wolf; E. R. Johnson 1934-10-13 6179 Sonoma Log Cabin Ranch inland from Gualala 304 Comment
  UC401314  Sequoia sempervirens W. P. Taylor 1913-6-1 Sonoma Freestone Comment
  YM-YOSE15453  Sequoia sempervirens Jesse Peter 1938-1 Sonoma 7 Miles South of Santa Rosa in Bennet Valley Comment
  CHSC13721  Sidalcea diploscypha J. G. Moore 1970-5-29 154 Sonoma Cazadero. Comment
  JEPS50080  Sidalcea diploscypha W. L. Jepson 1921-6-2 9295 Sonoma Healdsburg Comment
  UC608489  Sidalcea diploscypha Beryl O. Schreiber 1934-5-14 1110 Sonoma near Fitch Mountain (Healdsburg); , near Fitch Mountain Comment
  POM210232  Sidalcea diploscypha H. E. Parks, S. T. Parks 1930-05 625 Sonoma Head of Alexander Valley Comment
  RSA87979  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19585 Sonoma 2 miles N. of Ft. Ross. Comment
  JEPS67239  Sidalcea malviflora subsp. laciniata W. L. Jepson 1921-5-6 9191 Sonoma Sonoma Valley Comment
  CHSC63918  Sidalcea malviflora subsp. purpurea John Hale 1990-4-10 16 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
Read comments
Sep 2 2009
  CAS-BOT-BC213172  Sidalcea oregana subsp. valida Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7813 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC290626  Sidalcea oregana subsp. valida Peter Rubtzoff; Rimo Bacigalupi 1979-8-6 9305 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  RSA0020348  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 mi west of its junction with Franz Valley Road. Comment
  UC1601099  Sidalcea oregana subsp. valida Edw. L. Greene 1890-1 Sonoma Knight's Valley Comment
  UC1541419  Silene gallica H. E. and S. T. Parks 1930-5-10 846 Sonoma Knights Valley 152 Comment
  CAS-BOT-BC392490  Silene gallica John H. Thomas 1976-6-16 18334 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 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
  CAS-BOT-BC389230  Silene laciniata subsp. californica Peter Rubtzoff 1952-6-10 1225 Sonoma Top of Fitch Mtn., near Healdsburg 304 Comment
  SBBG14879  Silene laciniata subsp. californica A. I. Richardson 1961-6-16 21 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwoods State Park, N of Guerneville Comment
  UCD136307  Sisyrinchium bellum M. Rei Scampavia Evangelista 2012-5-19 5 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  JEPS64293  Sisyrinchium californicum Lucille Roush 1928-4-15 Sonoma near Russian River; Fort Ross Comment
  JEPS128213  Solanum umbelliferum Roger Raiche 2002-4-12 004 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC424779  Solanum umbelliferum Milo S. Baker 1929-4-14 3489 b Sonoma Jensen's Ranch Comment
  UC583529  Solanum umbelliferum Elmer I. Applegate 1934-3-25 8854 Sonoma Pine Flat, w slope of the Mayacama Mountain Range Pine Flat; Mayacama Mountain Range, Pine Flat Comment
  UC26216  Solanum xanti J. Burtt Davy Aug. 1896 4132 Sonoma Russian River Comment
  POM58783  Solidago californica A. A. Heller 1902-7-2 6055 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC173668  Soliva sessilis Peter Rubtzoff; Walter Lennon 1974-5-11 7397 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA788955  Sonchus asper subsp. asper Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  UCD133992  Sonchus asper subsp. asper Frederica Bowcutt 1996-5-24 2171 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road near entrance. Comment
  CAS-BOT-BC374744  Sonchus oleraceus D. E. Breedlove 1983-5-9 58696 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD92664  Sorghum halepense Freed W. Hoffman 1941-7-1 2220 Sonoma North Coast Ranges. Near Guerneville. Comment
  RSA227248  Sparganium angustifolium subsp. emersum Peter Rubtzoff 1954-7-27 1587 Sonoma Guerneville Marsh, in the northwestern end of the marsh. Comment
  CAS-BOT-BC251230  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC390051  Spergula arvensis Walter Knight; Irja Knight 1963-12-25 432 Sonoma Magnolia & Marshall Aves. Comment
  RSA696201  Spergula arvensis Keith E. Hoffmaster 1946-3-9 1043 Sonoma Near Santa Rosa. Comment
  RSA800207  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  RSA0022422  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing. Comment
  UCD99235  Spergularia marina S. F. Bailey 1951-6-1 s.n. Sonoma Skagg's Island, north of Plack Point cutoff (Highway 48). Comment
  UC1563939  Spergularia rubra Barbara Ertter 1988-11-5 8027 Sonoma ca. 5 air mi due s Cloverdale (point below Little Flat parking area w of bridge); Lake Sonoma 152 Comment
  CAS-BOT-BC390728  Spergularia rubra Alice Eastwood; John Thomas Howell 1936-5-19 2497 Sonoma Santa Rosa Comment
  CAS-BOT-BC354328  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Field redacted by CAS, contact the data manager for more information 426 Comment
  CAS-BOT-BC534956  Spirodela punctata Peter Rubtzoff 1964-8-20 5466 Sonoma Pond one mile SE of Jenner (near crossing of Hwys. 1 and 12) Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD160979  Stachys albens James A. Neilson Jr. 1975-7-8 3403 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UC1541665  Stachys bullata H. E. and S. T. Parks 1930-5-9 618 Sonoma at head Alexander Valley Comment
  UCD126021  Stachys bullata Author Unknown Date Unknown s.n. Sonoma exact location unknown. Comment
  UC380648  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  SEINET6744782 Image available Stachys chamissonis Marcus E. Jones 1882-1 Sonoma Duncan's Mills Comment
Read comments
Apr 7 2018
  UCD125541  Stachys chamissonis Frederica Bowcutt 1984-6-24 437 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg . W of Hwy 1. N of Gerstle Cove along creek. 15 Comment
  POM252831  Stachys emersonii A. A. Heller 1938-5-14 s.n. Sonoma Just east of Bodega Bay. Comment
  RSA293432  Stachys rigida subsp. quercetorum Reino Alava 1958-5-24 2065 Sonoma About one mile from Graton on the road from Graton to Occidental. Comment
  SEINET9340248  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  UCD126062  Stachys rigida var. quercetorum Terri Williamson 1990-5-20 55 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UC25954 Image available Stachys stricta J. Burtt Davy 1894-6-18 Sonoma Knight's Valley; ; Knight's Valley, Sonoma Co. Comment
  CAS-BOT-BC251170  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC293753  Stellaria media Peter Rubtzoff 1960-5-18 4380 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC397765  Stellaria media Alice S. M. McKenzie 1981-2-23 22 Sonoma Coast between Russian and Gualala Rivers; Calif. State Hwy 1 at Kolmer Gulch. Comment
  CAS-BOT-BC397766  Stellaria media John H. Thomas 1976-6-15 18310 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 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-BC405137  Stellaria nitens G. DeNevers 1982-2-21 1913 Sonoma Hill side above first serpentine road cut, end of canyon. Pine Flat Road. Blm. Comment
  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
  NY431573  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsberg Comment
  UC1292731  Streptanthus brachiatus Freed W. Hoffman 1951-7-30 3831 Sonoma E of Pine Ridge, near Contact Mine Comment
  UC1492709  Streptanthus brachiatus Freed W. Hoffman 1950-6-22 3379 Sonoma summit of ridge about 0.5 mi s Mercuryville (on road to Big Geysers); North Coast Ranges Comment
  UC1292753  Streptanthus glandulosus Freed W. Hoffman 1947-9-5 1085 Sonoma Dutch Bill Creek near Camp Meeker Comment
  CAS-BOT-BC87231  Streptanthus glandulosus subsp. glandulosus Mrs. C. A. Burlingame 1921-5-20 s.n. Sonoma Sonoma. Comment
  UC117404  Streptanthus glandulosus subsp. glandulosus Michener and Bioletti 1892-5-1 Sonoma Hood's Peak Comment
  JEPS128292  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2009-4-30 030 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  JEPS83491  Streptanthus glandulosus subsp. secundus Jack and Betty Guggolz 1986-4-23 863 Sonoma w-facing steep bank on Kelly Rd 0.2 mi w junction with Rockpile Road (ca 15 mi nw of Healdsburg) Comment
  UC639136  Streptanthus glandulosus subsp. secundus Beryl O. Schreiber 1934-5-16 1121 Sonoma Fitch Mountain Road Healdsburg Comment
  UC70399  Streptanthus glandulosus subsp. secundus Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  UC985968  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-5-22 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1.0 mi nw of Guerneville) 213 Comment
  RSA29978  Streptanthus glandulosus subsp. secundus Lincoln Constance 1942-5-10 2863 Sonoma Sonoma County: 4 miles N of Geyserville. 61 Comment
  UC1292743  Streptanthus morrisonii Freed W. Hoffman 1948-6-17 2347 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  CAS-BOT-BC257963  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC258005  Symphoricarpos Peter Rubtzoff 1966-6-5 5754 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UCD166492  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC97831  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-3 246 Sonoma Wiggins Hill Comment
  UC1119622  Symphyotrichum spathulatum H. S. Yates 1935-10-3 5346 Sonoma Santa Rosa Santa Rosa Quad. 53 Comment
  UC469054  Symphyotrichum subspicatum Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  UC76083  Synthyris reniformis Milo S. Baker 1898-4-4 Sonoma between Cazadero and Sea View Comment
  UCD144431  Taeniatherum caput-medusae Frederica Bowcutt 1994-6-12 1843 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. ca. 20 ft.Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  CHSC1158  Taraxia ovata V. Holt 1935-3-24 Sonoma Near Petaluma. Comment
  UCD107047  Taraxia ovata M. Wiesendanger 1927-5-5 707 Sonoma location unknown. Comment
  CAS-BOT-BC447465  Tellima grandiflora A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  SEINET12217337  Tellima grandiflora F. H. Utech 1988-1 88 -227 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  CAS-BOT-BC262979  Thermopsis Peter Rubtzoff 1965-5-8 5527 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC66817  Thysanocarpus curvipes G. DeNevers 1981-4-25 843 Sonoma Pepperwood Ranch. At the big road cut and turnout below Walter Ward's House on Franz Valley Road. Comment
  CAS-BOT-BC66823  Thysanocarpus curvipes John H. Thomas 1969-4-28 14924 Sonoma About 3.6 miles north of Monte Rio. Comment
  UC11048  Thysanocarpus radians Alice King Apr., 1897 Sonoma Healdsburg Comment
  RSA0049969  Thysanocarpus radians M. Alice King 1897-05 s.n. Sonoma Healdsburg Comment
  RSA0049971  Thysanocarpus radians Peter H. Raven 1913-4-6 1602 Sonoma Lower slopes of Rincon River. 4 miles from Santa Rosa to Sonoma. 243 Comment
  JEPS86782  Torilis arvensis Jack and Betty Guggolz 1990-6-11 1060 Sonoma Cloverdale; 1123 Palomino Rd. Comment
  RSA801567  Torilis arvensis Peter Rubtzoff 1967-7-2 5844 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD128172  Torilis nodosa Frederica Bowcutt 1984-6-23 436 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  CAS-BOT-BC169261  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Sonoma Calistoga Comment
  UCR265117  Toxicoscordion fontanum Ann Howald 2015-1-30 3311 Sonoma North Coast, Coastal terrace, c. 3 miles southeast of Del Mar Point 64 Comment
  CAS-BOT-BC377111  Tragopogon porrifolius Volney Rattan 1877-6-6 s.n. Sonoma Healdsburg Comment
  UCSB21811  Tragopogon porrifolius McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th Street West and McArthur Street, Sonoma 25 Comment
  CAS-BOT-BC519551  Triantha occidentalis subsp. occidentalis Peter Rubtzoff 1951-7-28 566 Sonoma Sonoma Comment
  JEPS25828  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma N and E of Occidental (Harrison Grade summit) Comment
  POM312557  Trichostema laxum H. L. Mason 1946-7-4 12897 Sonoma 2 miles east of Occidental. Comment
  RSA0089543  Trientalis latifolia Ann Howald 2015-4-28 3372 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 1..5 miles west of intersection with Rockpile Rd, Warm Springs drainage. 408 Comment
  UC496403  Trientalis latifolia Merle Randall 1930-6-11 Sonoma near Cazadero Comment
  UCR265088  Trientalis latifolia Ann Howald 2015-4-28 3372 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  CAS-BOT-BC376242  Trifolium Greg de Nevers No date on label 10837 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  RSA784986  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  RSA784995  Trifolium Peter Rubtzoff, Nancy Harrison 1974-5-26 7467 Sonoma On Bennett Valley Road, 4.25 mi W of Glen Ellen. Comment
  CAS-BOT-BC173557  Trifolium Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173650  Trifolium Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  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
  UCSC006358  Trifolium Randall Morgan 1996-5-30 2980 Sonoma Bodega Bay, Bodega Marine Lab Comment
  OBI12721  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  NY33717  Trifolium bifidum var. decipiens J. M. Bigelow 1853-1 404 Sonoma Comment
  POM21441  Trifolium bifidum var. decipiens A. A. Heller, H. E. Brown, A. H. Heller 1902-4-15 7339 Sonoma Santa Rosa. Comment
  CDA36828  Trifolium ciliolatum CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD108258  Trifolium ciliolatum Erik Beever 1993-5-8 230 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  SEINET12166391  Trifolium cyathiferum H. K. Wagnon 1989-1 1888 Sonoma ca 20 yards N of Fort Ross Schools Reservoir 122 Comment
  UCD108381  Trifolium depauperatum var. depauperatum Christine Lee 1993-4-24 91 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  UCD84294  Trifolium depauperatum var. truncatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  POM21436  Trifolium dichotomum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-14 5290 Sonoma Near Mark West Springs Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh Comment
  CAS-BOT-BC361299  Trifolium fragiferum Greg de Nevers 1997-5-31 11012 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, northwest of Finnell Cabin 457 Comment
  UC555451  Trifolium fucatum Herbert L. Mason 1926-3-20 2749 Sonoma s Calistoga (along rr right-of-way) Comment
  UCD109129  Trifolium grayi Beecher Crampton 1955-4-5 2401 Sonoma 2 miles W of Fulton, Woolsey Road. Comment
  CDA36945  Trifolium hirtum CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD164681  Trifolium repens Peter Rubtzoff 1976-5-30 8555 Sonoma Kenwood Marsh. Comment
  UCD109323  Trifolium striatum Frederica Bowcutt 1996-5-21 2141 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 S of Red Mtn. in Adobe Canyon. 396 Comment
  UCD109492  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UC16820  Trifolium wormskioldii F. T. Bioletti 1892-5-15 Sonoma Comment
  CAS-BOT-BC520852  Trillium albidum Greg de Nevers 1993-4-6 10360 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UC1057434  Trillium albidum G. Thomas Robbins 1937-3-25 3 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  CAS-BOT-BC521307  Trillium rivale Volney Rattan 1903-1-1 1877 Sonoma Guerville Comment
  JEPS44411  Triphysaria eriantha subsp. eriantha Lewis S. Rose 1965-4-4 65018 Sonoma Sonoma 24 Comment
  JEPS77866  Triphysaria eriantha subsp. eriantha Robert M. Lloyd 1965-5-8 3629 Sonoma on highway 12, 3 mi n of junction with Aqua Caliente Road across from Lawrence Triangle End Garage Comment
  JEPS79427  Triphysaria eriantha subsp. eriantha Nancy Harrison 1980-4-7 2089 Sonoma South Santa Rosa (Park Trail Drive) Comment
  HSC26831  Triphysaria eriantha subsp. eriantha Thomas W. Nelson 1971-3-23 349 Sonoma 3 mi. S of Healdsburg Comment
  UC886563  Triphysaria pusilla Keith Wagnon 1938-3-25 Sonoma Macken's pasture on O'Farrel Hill Comment
  UC1239022  Triphysaria pusilla Freed W. Hoffman 1947-4-3 878 Sonoma road to Austin Ranch near Guerneville (headwaters of Fife Creek); North Coast Ranges, headwaters of Fife Creek Comment
  SEINET7067247  Triphysaria versicolor subsp. faucibarbata A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UC1222442  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1931-3-29 9321 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  UC726087  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1941-5-4 16089 Sonoma two mi e Shellville Comment
  HSC20863  Triphysaria versicolor subsp. faucibarbata R. F. Good 1962-4-20 25 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes, Sonoma Mtn. Coast Range 0 Comment
  UC1334862  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-5-3 665 Sonoma on State Highway #1, 2 mi n Bodega Bay; n of Bodega Bay Comment
  UC726148  Triphysaria versicolor subsp. versicolor A. A. Heller 1940-5-17 15630 a Sonoma back of the bluff n of the town of Bay Bodega Bay; , Bodega Bay Comment
  UC726331  Triphysaria versicolor subsp. versicolor A. A. Heller 1937-5-1 16176 a Sonoma along State Highway #1 on the bluff at Bodega Bay (s of the town of Bay); on the bluff at Bodega Bay Comment
  CAS-BOT-BC200113  Trisetum canescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13533 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  JEPS77861  Triteleia hyacinthina Robert M. Lloyd 1965-5-8 2625 Sonoma 3 mi n junction Highway 12 with Aqua Caliente Road (meadow across from Lawrence Triangle End Garage) Comment
  UC3278  Triteleia hyacinthina Michener and Bioletti May 1893 Sonoma Kenwood Comment
  CAS-BOT-BC522358  Triteleia hyacinthina Peter Rubtzoff 1971-5-8 6439 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  CAS-BOT-BC522360  Triteleia hyacinthina Peter Rubtzoff 1969-5-11 6042 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner road. Comment
  CAS-BOT-BC523026  Triteleia hyacinthina David D. Keck 1933-5-28 2322 Sonoma 3.4 miles east of Shellville (just east intersection of Sonoma road). Comment
  UCD160809  Triteleia laxa James A. Neilson Jr. 1973-6-6 2988 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  CAS-BOT-BC527043  Triteleia laxa John Thomas Howell 1931-6-15 6689 Sonoma Near Sebastopol Comment
  SD112291  Triteleia laxa Darley F. Howe 1963-7-2 Sonoma Sea bluff, 4.2 miles north of junction with #12 on #1. Comment
  SEINET12050379  Triteleia laxa F. H. Utech 1988-1 88 -191 Sonoma Willow Creek marsh & adjoining meadows, ca 1.5 mi E of CA 1 on Willow Creek Road 10 Comment
  JEPS74717  Triteleia peduncularis Eleanor Armstrong May, 1932 516 Sonoma near small stream Camp Meeker, Sorrenti Ranch 106 Comment
  CAS-BOT-BC80204  Tsuga heterophylla John Madison; Mary P. Wells; Mary Rhyne 1985-11-4 691 Sonoma Forest about 1/3 mile south of the Gualala River Comment
  RSA94265  Typha latifolia Peter Rubtzoff 1951-8-4 572 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC258006  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  RSA40094  Umbellularia californica L. S. Rose 1948-1-17 48003 Sonoma Glen Ellen 40 Comment
  UC581348  Umbellularia californica W. A. Setchell 1938-2-27 Sonoma Monte Rio Comment
  CAS-BOT-BC404223  Urtica dioica subsp. holosericea Peter Rubtzoff 1968-8-24 5934 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC404244  Urtica dioica subsp. holosericea Peter Rubtzoff 1965-9-5 5633 Sonoma Forest Hills (5.5 miles east of Guerneville) Comment
  UCR105446  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-9-9 7311 Sonoma Kenwood Marsh 120 Comment
  SEINET14053332  Urtica dioica subsp. holosericea Duaccares Ueills 1943-1 Sonoma roadside Comment
  CAS-BOT-BC391314  Vaccaria hispanica Miss May 1886-6-15 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC193980  Vaccinium cespitosum Milo S. Baker 1939-5-19 9329 Sonoma Marsh on ranch of J.J. Perry, on Gravenstein Highway about one half miles south of Molino west side of road, Twin Pine Ranch Comment
  UC634727  Vaccinium ovatum H. L. Mason 1928-4-8 4289 a Sonoma 2 mi n Fort Ross Comment
  UC419732  Vaccinium parvifolium Mrs. H. P. Bracelin 1930-7-27 22 Sonoma 1 mi N of Fort Ross Comment
  CAS-BOT-BC76167  Vancouveria planipetala Rimo Bacigalupi 1926-4-30 1376 Sonoma Cazadero. Comment
  CDA29820  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 a Sonoma North Coast Biodiversity Arena; Along Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Sheet 1 of 3. Comment
  JEPS58976  Verbascum virgatum Pat Watters and Walter Knight 1963-7-19 Sonoma Gravenstein Highway intersection with US 101 Freeway Cotati (Cotati) Comment
  CHSC22309  Veronica americana Robert A. Schlising; Lloy Thurman 1962-6-15 2313 Sonoma Along Stewarts Point Road, 2 mi E of Jct with Hwy 1 near Stewarts Point. California Coast Ranges. Comment
  JEPS67155  Veronica anagallis-aquatica Peter Rubtzoff 1971-8-24 6660 Sonoma 3 mi w of Fulton (tributary of Mark West Creek); Mark West Creek Comment
  CAS-BOT-BC164360  Veronica arvensis Peter Rubtzoff 1959-6-20 4147 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC262807  Veronica scutellata Peter Rubtzoff; Nancy Harrison 1978-5-20 9185 Sonoma Cunningham Marsh Area, on north side of Blucher Creek Valley. Comment
  JEPS81725  Veronica scutellata Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6362 Sonoma n of Sebastopol (at Pitkin Marsh); Vine Hill region, Pitkin Marsh 60 Comment
  JEPS12695  Viburnum ellipticum Miss R. Kuhn May 1914 Sonoma Sonoma Comment
  SEINET12165197  Vicia angustifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -225 Sonoma Valley Ford, junction of CA 1 & Valley Ford-Freestone highway, along Ebabias Creek 30 Comment
  RSA0045171  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along road to Weimar Flat. 100 Comment
  UC764641  Vicia gigantea R. F. Hoover 1941-5-14 5098 Sonoma sw of Occidental (near Joy District School) Comment
  CAS-BOT-BC361410  Vicia hirsuta Greg de Nevers 1997-5-8 10991 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Garrison Canyon 457 Comment
  JEPS73355  Vicia sativa Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 758 Sonoma 1 mi w Two Rock Junction Comment
  UC73219  Vicia sativa Milo S. Baker 1898-5-7 596 Sonoma Glen Ellen Comment
  JEPS77260  Vicia sativa subsp. sativa Robert M. Lloyd 1963-4-24 2397 Sonoma on road to Oakdale (16.0 mi from State Highway) 274 Comment
  UCR198231  Vicia villosa Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .274 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC270243  Viola adunca Walter Knight; Irja Knight 1964-2-27 536 Sonoma Highway 1, Rocky Point, coastal bluffs Comment
  UC1763296  Viola douglasii Milo S. Baker May 1906 5518 Sonoma near Melita (Santa Rosa Golf Links, Peach Flat) Comment
  RSA135422  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  UC1762398  Viola glabella Freed Hoffman 1947-3-30 891 Sonoma Guerneville Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC536909  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC5196  Viola helleriana Amos Arthur Heller; H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay. Comment
  CAS-BOT-BC536963  Viola lobata Mrs. C. A. Burlingame 1921-4-1 s.n. Sonoma Sonoma Comment
  UCD110890  Viola lobata A. A. Beetle 1939-4-12 1775 Sonoma Mt. St. Helena. Comment
  UCD110694  Viola ocellata Frederica Bowcutt 1996-5-22 2143 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon about 1.25 air miles SW of Red Mountain. Along Canyon Trail near lower elev trailhead. Just N of Sonoma Creek. Down slope of Adobe Canyon Road. 231 Comment
  UC1763352  Viola pedunculata Edith Hessel 1927-4-15 Sonoma 3 mi from Cotati (Gravenstein Hwy toward Sebastopol) Comment
  UCD111068  Viola pedunculata Mary M. Hektner 1975-4-27 188 Sonoma Unit 24 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC455410  Viola sempervirens I. J. Condit 1908-8-13 Sonoma Guerneville 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
  CAS-BOT-BC385036  Vitis californica L. R. Abrams 1922-6-21 8099 Sonoma Healdsburg to Cloverdale Comment
  UCD158821  Vitis californica James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2898 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  CAS-BOT-BC385058  Vitis californica G. de Nevers 1981-6-4 1434 Sonoma Pepperwood Ranch, by bridge south of the green gate Comment
  RSA0121715  Vitis californica Christopher Davidson 1977-6-20 6003 Sonoma Dry Cr. Road, 7.2 miles W of Geyserville. Along Warm Sprgs Cr. 76 Comment
  RSA0121716  Vitis californica Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4210 Sonoma Trenton Road (near N end of Laguna de Santa Rosa), just S of and paralleling River Road, approx. halfway between Guerneville and Santa Rosa. 15 Comment
  UC1023600  Vulpia Virginia Bufford 1936-5-1 177 Sonoma 2 mi above Duncan's Mill Comment
  CAS-BOT-BC199909  Vulpia bromoides Peter Rubtzoff 1955-5-21 1878 Sonoma Ross Marsh Comment
  CAS-BOT-BC199916  Vulpia bromoides Peter Rubtzoff 1957-5-11 3346 Sonoma Occidental Marsh Comment
  CAS-BOT-BC199904  Vulpia bromoides G. DeNevers 1981-6-8 1505 Sonoma In Pippindale Garden Comment
  CAS-BOT-BC199915  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC184595  Vulpia microstachys var. pauciflora Leo Koch 1939-4-16 585 Sonoma Ca. 7 mi. from Petaluma to Marshalls Comment
  CAS-BOT-BC184596  Vulpia microstachys var. pauciflora Greg de Nevers 1990-5-1 9669 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 457 Comment
  UCD94740  Vulpia myuros Beecher Crampton 1955-4-11 2470 Sonoma Green Valley. Comment
  CAS-BOT-BC185833  Vulpia myuros subsp. megalura A. A. Heller 1902-4-9 5250 Sonoma In a railroad cut three miles south of Healdsburg Comment