Search Results — 2000 specimen records retrieved (1242 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC383909  Abronia latifolia Mrs. H. C. Cantelow 1940-4-20 4023 Sonoma N. of Bay nr mouth of Salmon River Comment
  UCD109792  Abronia latifolia Steven Yoder 1969-5-24 28 Sonoma 1 mile north of Marine Lab at Bodega Bay. 7 Comment
  UCR255648  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC268102  Acacia Peter Rubtzoff 1973-8-21 7252 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  UCD160512  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 701 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.37. 56 Comment
  UCD160513  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 701 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.37. 56 Comment
  CDA40635  Acaena pinnatifida var. californica M. Lusk 1967-5-5 s.n. Sonoma Christmas tree planting, Santa Rosa. 0 Comment
  CAS-BOT-BC332756  Acer macrophyllum J. W. Congdon May, July (no year stated) s.n. Sonoma Unspecified 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
  UC1193400  Acer negundo var. arizonicum P. Zinke 1950-4-25 118 Sonoma Russian River at Cloverdale; Quad. 61A4, Russian River at Cloverdale 152 Comment
  SEINET10721470 Image available Achillea arenicola A. Arthur Heller 1902-5-27 Heller 5608 Sonoma Bodega Bay Comment
  CAS-BOT-BC30083  Achillea millefolium J. H. Thomas 1976-6-15 18268 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC30085  Achillea millefolium Alice Eastwood 1915-6-29 4805 Sonoma Bodega Point Comment
  CAS-BOT-BC30087  Achillea millefolium Roxana S. Ferris 1932-5-27 8254 Sonoma Bodega Bay Comment
  CAS-BOT-BC30449  Achillea millefolium John Thomas Howell 1938-7-3 13958 Sonoma Pitkin Marsh Comment
  RSA0000831  Achillea millefolium var. arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  UCD151201  Achnatherum lemmonii James A. Neilson Jr. 1974-7-10 2818 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
  SD8658  Acmispon glaber Michener, Bioletti 1892-5-30 Sonoma Woods Peak Comment
  UCD161298  Acmispon glaber James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3709 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-BC87  Acmispon gracilis Amos Arthur Heller 1902-6-24 5754 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC391711  Actaea rubra Mary P. Wells 1981-4-18 s.n. Sonoma Near So. Fork Gualala River, The Sea Ranch Comment
  CAS-BOT-BC391714  Actaea rubra L. R. Abrams 1920-7-3 7602 Sonoma Gualala River, near Mendocino - Sonoma County Line Comment
  CHSC60064  Adiantum jordanii H. A. McLane 1980-3-29 3 Sonoma 4 mi n of Calistoga Road from California State Highway 12, 60 ft e of road. Comment
  SEINET1908065  Aesculus californica Lewis S. Rose 1968-1 58116 Sonoma Rincon Valley, Brush Creek, ne of Santa Rosa 122 Comment
  UCD136674  Aesculus californica C. Wistrom 1996-5-26 29 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  CAS-BOT-BC368034  Agoseris grandiflora Greg de Nevers 1998-6-20 11291 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along creek below Rogers Apple Orchard. 400 Comment
  UC1041088  Agoseris hirsuta J. W. Congdon 1880-5-23 Sonoma Petaluma Comment
  NY7042  Agoseris maritima A. Eastwood s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC209998  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC210017  Agrostis Peter Rubtzoff; H. A. Froebe 1971-5-30 6501 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UCD37158  Agrostis blasdalei Beecher Crampton 1957-7-11 4352 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51831  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD37155  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma Sonoma County, 4.6 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1, Duncan's Point. Comment
  UCD51972  Agrostis densiflora P. B. Kennedy Date Unknown s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC126977  Agrostis exarata Beecher Crampton 1959-6-16 5391 Sonoma Jonive School area, ca. 2 miles east of Occidental. Comment
  UCD52136  Agrostis exarata Freed W. Hoffman 1943-10-2 2171 Sonoma near Graton on Ross Road. Comment
  UCD52284  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma N.E. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  UCD52413  Agrostis exarata Freed W. Hoffman 1944-5-30 2014 Sonoma Russian River, Guernewood Park. Comment
  RSA129614  Agrostis hallii H. S. Yates 1936-5-16 5582 Sonoma 1 mile northeast of Graton. 30 Comment
  UC963879  Agrostis hallii Milo S. Baker 1947-5-12 11762 Sonoma Hood Mt. 426 Comment
  UCD36694  Agrostis hallii Beecher Crampton 1955-6-17 2958 Sonoma Sonoma County, 6 miles west of Cazadero, on road to Fort Ross. Comment
  UCD37348  Agrostis hallii Beecher Crampton 1959-6-16 5379 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  UCD52692  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker, Oregon Canyon. Comment
  UCD52696  Agrostis hallii B. Crampton 1955-6-17 2979 Sonoma 2.4 miles south of Monte Rio. Comment
  UCD52714  Agrostis hallii Beecher Crampton 1959-6-16 5382 Sonoma 1 mile E of Occidental. Comment
  SBBG115784  Agrostis hallii B. Crampton 1953-5-19 1298 Sonoma ca. 5 mi W of Calistoga on St Hwy 128, at Napa county line Comment
  UC573805  Agrostis microphylla H. S. Yates 1937-5-30 6550 Sonoma 1/2 mi e Occidental; Sebastopol Quad. Comment
  UCD33096  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UCD53054  Agrostis microphylla Freed W. Hoffman 1941-6-15 2153 Sonoma Eckert Ranch near Salt Point, Sonoma Coast. Comment
  SBBG26362  Agrostis microphylla B. Crampton 1966-5-10 Sonoma 5.5 mi N of Sonoma. St Hwy 12 Comment
  UC174639  Agrostis oregonensis A. A. Heller 1902-6-26 Sonoma along creek at foot Mt. Hood; Sonoma Creek Comment
  CAS-BOT-BC138910  Agrostis pallens Peter Rubtzoff 1952-6-10 1206 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC138926  Agrostis pallens G. DeNevers 1981-6-20 1592 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  UCD53076  Agrostis pallens R. Tofsrud 1941-7-1 128 Sonoma Parker Hill, Santa Rosa. Comment
  UCD53178  Agrostis pallens P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UC790981  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma 5 mi s Steward Point Comment
  UCD53490  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. Comment
  SEINET10868859  Agrostis tenuis Alan A. Beetle 1941-7-8 Beetle 2855 Sonoma Coast, 5 miles south of Steward Point, coastal bluffs. Assoc. Scirpus cernuus, Lagurus ovatus. Comment
  CAS-BOT-BC47989  Ailanthus altissima Catherine Best 1984-9-27 1049 Sonoma Grwoing along the road to the Buena Vista Winery, south of the town of Sonoma. Comment
  CAS-BOT-BC176168  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. 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
  RSA316038  Aira caryophyllea Patricia Wilder 1934-6-10 3634 Sonoma 1.0 mile N of Jenner on California state Hwy 1.North coast 23 Comment
  CAS-BOT-BC138399  Aira caryophyllea var. capillaris John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54665 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC138211  Aira caryophyllea var. caryophyllea David L. Morgan 1955-6-30 s.n. Sonoma Under bridge at Austin Creek, 3 miles west of Monte Rio, State Highway #12. Comment
  CAS-BOT-BC138214  Aira caryophyllea var. caryophyllea John H. Thomas 1966-5-8 11604 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  SJSU6089  Alisma lanceolatum C. W. Sharsmith 1972-6-24 7810 Sonoma Laguna de Santa Rosa, N of Sebastapol, E of Graton Comment
  CAS-BOT-BC173649  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC445341  Alisma lanceolatum Peter Rubtzoff 1962-7-4 4967 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg. Comment
  CAS-BOT-BC445344  Alisma lanceolatum Peter Rubtzoff 1956-9-21 2932 Sonoma Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  CAS-BOT-BC445463  Alisma triviale Peter Rubtzoff 1956-9-15 2903 Sonoma Atascadero Creek Marsh. Comment
  RSA367164  Allium Christopher Davidson 1977-6-20 6018 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  CAS-BOT-BC462390  Allium amplectens Greg de Nevers 1992-5-21 10154 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road; Windy Valley Lake 475 Comment
  UCR255048  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  HSC2927  Allium amplectens Beecher Crampton 1966-5-10 7731 Sonoma 6.5 mi. N of Sonoma, Hwy. 12 Comment
  RSA601311  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC474311  Allium unifolium Peter Rubtzoff 1962-5-30 4852 Sonoma Freestone Marsh Comment
  CAS-BOT-BC474314  Allium unifolium G. DeNevers 1981-5-9 1073 Sonoma In the Oak Woodland Canyon between the two streams draining to the Redwood Canyon Comment
  CDA39418  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma South side of Petaluma - Valley Ford Hwy., 2 miles northwest of Two Rock. 0 Comment
  CAS-BOT-BC169654  Alnus rhombifolia Peter Rubtzoff 1960-6-10 4497 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC169369  Alnus rubra Mary P. Wells 1984-7-20 394 A Sonoma E bank So. Fork Gualala River, The Sea Ranch (near Hot Spot) Comment
  RSA800598  Alnus rubra Peter Rubtzoff 1960-6-11 4504 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC138043  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-8-13 2045 Sonoma Duncans Mills Marsh. Comment
  UCD55875  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-14 1835 Sonoma Ross Marsh. Comment
  CAS-BOT-BC137905  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  CDA37330  Amaranthus albus D. G. Kelch, Troy McGregor 2010-8-22 10 .335 Sonoma Geyser Peak Rd. Comment
  RSA234553  Amaranthus retroflexus Peter Rubtzoff 1971-8-31 6665 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC135671  Amelanchier utahensis John Thomas Howell; Alice Eastwood 1939-4-2 7378 Sonoma Near Camp Meeker on road to Occidental Comment
  UCR255685  Amelanchier utahensis Greg de Nevers 1998-4-27 11198 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  SEINET11909600  Amelanchier utahensis W. Knight, Knight, I. 1982-1 4522 Sonoma Tilden Regional Park, botanic garden, Berkely, ca Originally collected at Bodega Bay Comment
  CAS-BOT-BC137886  Ammophila arenaria John H. Thomas 1969-9-21 15472 Sonoma Coastal strand, near mouth of Russian River. Comment
  CAS-BOT-BC177226  Amorpha californica var. napensis A. A. Heller 1902-6-24 5757 Sonoma Near Burke's Sanitarium 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-BC222273  Amsinckia Alice Eastwood; John Thomas Howell 1940-5-5 7871 Sonoma North end of Sonoma Mt. Comment
  CAS-BOT-BC26841  Amsinckia intermedia anonymous s.n. Sonoma Port Bodega Comment
  UC79320 Image available Amsinckia lycopsoides Katharine Brandegee 1905-6-25 Sonoma Bodega Head Comment
  UC1084538  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 q1 Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  UC1301080  Amsinckia spectabilis Helen K. Sharsmith 1963-5-25 5496 Sonoma just s Bodega Harbor; San Francisco Bay Region 1 Comment
  SEINET12519057  Amsinckia spectabilis Peter Kamb 1952-1 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head 30 Comment
  CAS-BOT-BC26970  Amsinckia viridifolia Alice Eastwood 1921-5-8 10484 Sonoma Petaluma 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-BC137785  Andropogon virginicus var. virginicus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  OBI9030  Angelica hendersonii Tracey Call, Viola Call 1961-6-10 2071 Sonoma 1 mi north of the Kruse Rhododendron State Park Comment
  UC174199  Angelica tomentosa Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CDA38219  Angelica tomentosa A. A. Heller 1902-6-26 s.n. Sonoma Northwestern; Inner North Coast Ranges region; Along Sonoma Creek, at the foot of Mt. Hood. 0 Comment
  UC1299243  Angelica tomentosa Freed W. Hoffman September 1947 1388 Sonoma near Guerneville (North Coast Ranges, Quicksilver Mines); North Coast Ranges, Quicksilver Mines Comment
  CAS-BOT-BC271434  Anisocarpus madioides Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 mile seast of Stewarts Point Comment
  CAS-BOT-BC271431  Anisocarpus madioides Dorothy Scherer 1997-5-6 106 Sonoma Along forest trail northerly from Fort Ross Rd. and .6 mi. west of Seaview Road, Fort Ross State Historic Park 365 Comment
  UCD128895  Anisocarpus madioides Gerry North 1993-4 48 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  CAS-BOT-BC173666  Anthemis cotula Peter Rubtzoff 1958-8-9 3834 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD37345  Anthoxanthum aristatum Beecher Crampton 1959-6-16 5367 Sonoma Sonoma County, 0.2 mile E of Occidental, on Occidental Road. Comment
  CAS-BOT-BC280665  Anthoxanthum occidentale John Thomas Howell 1930-7-27 5396 Sonoma 1 mile north of Ft. Ross Comment
  UC1011019  Anthoxanthum odoratum Virginia Bufford 1936-5-1 178 Sonoma 2 mi above Duncan's Mill Comment
  UCD167561  Anthoxanthum odoratum James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. 1/2 mile west of Black Hawk Ranch on Squaw Creek. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  UCD36687  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma Sonoma County, 0.5 mile north of Guerneville, along Fife Creek. Comment
  UCD160312  Anthriscus caucalis James A. Neilson Jr. 1975-5-23 3212 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCD126273  Anthriscus caucalis Frederica Bowcutt 1996-5-19 2137 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mtn in Adobe Canyon near office and corral. 396 Comment
  OBI57154  Antirrhinum vexillocalyculatum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-5 24499 Sonoma Along east side of Bohemian Highway opposite Camp Meeker Comment
  JEPS82255  Antirrhinum vexillocalyculatum subsp. breweri Roger Raiche 1983-8-6 30583 Sonoma headwaters (creek has no name) of Austin Creek (the Cedars) 457 Comment
  JEPS83374  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma e side Fitch Mt. (just s of resort area on e side, Healdsburg); Healdsburg, Healdsburg Quad. (7.5', 1955) 45 Comment
  UC192792  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum unknown 1880-7 Sonoma Petaluma Comment
  CAS-BOT-BC394990  Aquilegia formosa Saichi Kawahara 1968-4-20 322 Sonoma Trinity Road, 1 mile northwest of Highway 12 152 Comment
  SEINET12093068  Aquilegia formosa F. H. Utech 1986-1 86 -125 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 Comment
  JEPS52998  Arabis blepharophylla Alice Griffin 1928-4-15 Sonoma Bodega Comment
  RSA0125832  Arabis glabra J. T. Howell 1930-6-8 5291 Sonoma 8.5 miles N of Bodega Bay Comment
  SD7778  Arbutus menziesii M. Bioletti 1892-1 Sonoma Comment
  RSA629204  Arctostaphylos Jon E. Keeley 1993-9-11 24783 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629214  Arctostaphylos Jon E. Keeley 1993-9-11 24789 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629226  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC535017  Arctostaphylos H. F. Copeland 1933-3-18 A 14 Sonoma on College Ave. Hwy w Santa Rosa; Vine Hill region Comment
  UC535021  Arctostaphylos H. F. Copeland 1933-3-18 A 10 Sonoma w Santa Rosa; Vine Hill region Comment
  UC549554  Arctostaphylos J. E. Adams 1934-3-28 718 Sonoma near Santa Rosa; Vine Hill Comment
  CAS-BOT-BC25319  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10958 Sonoma Serpentine ridge, 2 miles E of Occidental Comment
  UC1120879  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1559 Sonoma 1/4 mi w Trenton; Sebastopol Quadrangle Comment
  UC1614275  Arctostaphylos bakeri Charles M. Belshaw 1936-3-7 1556 Sonoma 2 mi nne of Occidental Comment
  CDA980  Arctostaphylos bakeri subsp. bakeri D. G. Kelch 2006-6-24 6 .324 Sonoma On serpentine along Harrison Grade. Comment
  RSA622701  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24704 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  SBBG28818  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 mi E of Occidental Comment
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  UCD162183  Arctostaphylos canescens D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1521 Sonoma Hooker Creek watershed. 520 Comment
  SEINET11987352  Arctostaphylos canescens W. Knight, Knight, I. 1981-1 3975 Sonoma 4.1 mi up Cavedale Road from jct of CA 12 Comment
  CAS-BOT-BC23971  Arctostaphylos canescens subsp. canescens A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  CDA10853  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Stebbins 1994-4-8 11729 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  UCD170266  Arctostaphylos canescens subsp. canescens S. J. Seybold; M. A. Siefker 2017-11-14 s.n. Sonoma Vadasz Vineyards, 18070 Carriger Road.Located along driveway near house. 64 Comment
  CAS-BOT-BC23891  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1929-2-9 3388 a Sonoma Rincon Hill Comment
  POM367248  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  UC570377  Arctostaphylos canescens subsp. sonomensis Chas. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi sw County Farm; North Coast Range, Rincon Ridge 152 Comment
  CAS-BOT-BC23602  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11745 Sonoma Between Fort Ross and Stewart's Point Comment
  UC571193  Arctostaphylos columbiana H. L. Mason 1928-4-8 4280 Sonoma Fort Ross Comment
  CAS-BOT-BC23649  Arctostaphylos columbiana Alisa S. M. McKenzie 1981-1-29 24 Sonoma Coast between Russian and Gualala Rivers. Calif. State Hwy. #1 at marker #44.55; Comment
  CAS-BOT-BC25010  Arctostaphylos densiflora Walter Knight; Irja Knight; J. Sigg; Elizabeth McClintock 1981-3-25 4031 Sonoma Originally from a population in Vine Hill Dist Comment
  CAS-BOT-BC25020  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  RSA31996  Arctostaphylos densiflora A. A. Heller 1942-3-15 16398 Sonoma just west of Vine Hill School Comment
  RSA88338  Arctostaphylos densiflora J. T. Howell 1933-4-2 10948 Sonoma 8 miles west of Santa Rosa Comment
  UC549449  Arctostaphylos densiflora J. E. Adams 1934-3-28 715 Sonoma Vine Hill School Sta. Rosa Comment
  UC549450  Arctostaphylos densiflora J. E. Adams 1934-3-28 723 Sonoma Vine Hill School Sta. Rosa Comment
  UC549451  Arctostaphylos densiflora J. E. Adams 1934-3-28 724 Sonoma Vine Hill School Sta. Rosa Comment
  UC549534  Arctostaphylos densiflora J. E. Adams 1934-3-28 717 Sonoma Vine Hill School Sta. Rosa Comment
  UC571086  Arctostaphylos densiflora H. L. Mason 1931-3-7 5806 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  SEINET11987288  Arctostaphylos densiflora W. Knight, Knight, I.; Sigg, J.; McClintock, E. 1981-1 3998 Sonoma Strybing Arboretum, San Francisco, originally from Vine Hill District Comment
  SEINET11977772  Arctostaphylos glandulosa C. M. Belshaw 1936-1 1572 Sonoma on Rincon Ridge 1.5 mi N of County Farm 267 Comment
  CAS-BOT-BC23276  Arctostaphylos glandulosa subsp. cushingiana J. Clausen 1933-3-25 726 Sonoma About 4 miles east of Warfield along the road to Oakville. 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
  JEPS18143  Arctostaphylos glandulosa subsp. glandulosa Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5665 Sonoma near Layton Chromite Mine (headwaters of creek); Big Austin Creek, vicinity of The Cedars 266 Comment
  LA42174  Arctostaphylos hispidula John Thomas Howell; 1933-4-2 10956 Sonoma 2 mi. E of Occidental Comment
  UCD59408  Arctostaphylos hispidula Roger Raiche 1984-2-3 RR 40016 Sonoma Rockpile Road, 9.1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  CAS-BOT-BC39112  Arctostaphylos hispidula Roger Raiche 1984-1-14 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile road). 518 Comment
  RSA364256  Arctostaphylos hispidula Roger Raiche 1984-2-3 RR 40028 Sonoma Kelly Road northwest of Mt. Tom (5.3 miles northwest from its origin at Rockpile Road) 533 Comment
  POM294825  Arctostaphylos hookeri subsp. hookeri Boone Hallerg 1947-4-9 199 Sonoma 2 miles NE of Graton, Trenton Road 76 Comment
  CAS-BOT-BC38991  Arctostaphylos manzanita Roger Raiche 1983-7-10 30491 M Sonoma East Austin Creek State Rec. Area, Near fire road near confluence of Gilliam Creek and Schoolhouse Creek. 121 Comment
  RSA633063  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24714 Sonoma Along Calistoga Road, 8.5 km southwest of Highway 128. 360 Comment
  UCD162167  Arctostaphylos manzanita D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1520 Sonoma Hooker Creek watershed. 520 Comment
  UCD52166  Arctostaphylos manzanita Beecher Crampton 1955-6-17 2978 Sonoma 2.4 miles south of Monte Rio; road to Camp Meeker. Comment
  HSC7652  Arctostaphylos manzanita R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1328 Sonoma ca. 1 mi. NW of the Big Geysers, along road Comment
  SEINET11991948  Arctostaphylos manzanita W. Knight, Knight, I. 1984-1 5056 Sonoma Alta Vista Lane, Rincon Ridge, Santa Rosa Comment
  SEINET11995488  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. 1987-1 6336 Sonoma Pepperwood, Devil's Kitchen 229 Comment
  OBI70632  Arctostaphylos manzanita subsp. glaucescens Larry E. Brown 1997-8-12 20797 Sonoma E of hwy 101 off of village ofAsti S of Cloverdale Comment
  CAS-BOT-BC38686  Arctostaphylos manzanita subsp. manzanita R. F. Hoover 1963-1-12 8548 Sonoma Trinity Road, Hoods Peak Range Comment
  CAS-BOT-BC38696  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Adobe Canyon near Kenwood, Baker Ranch Comment
  CAS-BOT-BC38709  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38742  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1963-8-23 279 Sonoma Joost Ranch, Calistoga Rd. Comment
  RSA177969  Arctostaphylos manzanita subsp. manzanita R. F. Thorne 1965-4-20 34345 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  SBBG60027  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mtn Rd, ca. 8 mi E of Santa Rosa Comment
  SBBG83716  Arctostaphylos manzanita subsp. manzanita D. Koutnik, M. Barbercheck 1981-6-18 Sonoma Austin Crk St Recreation Area about 4 mi N of Guerneville. 487 Comment
  UC1094000  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-3-21 55033 Sonoma 2 mi ne Santa Rosa; Rincon Ridge 152 Comment
  UC909869  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 727 Sonoma 4 or 5 mi from Seaview (Cazadero Rd) Comment
  UC1388367  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-4-7 1879 Sonoma between Healdsburg Calistoga; North Coast Ranges Comment
  UC909864  Arctostaphylos nummularia J. E. Adams 1934-3-28 742 Sonoma s McNamees Store Comment
  CAS-BOT-BC47343  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5764 Sonoma Rincon Ridge near Santa Rosa. Comment
  CAS-BOT-BC47345  Arctostaphylos stanfordiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast Mountains near Kachia Rancheria about 5 mi. e of Stewarts Point. Comment
  HSC7717  Arctostaphylos stanfordiana S. N. Wiemeyer 1962-1-28 4 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  LA42281  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA636809  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24746 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636819  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24742 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1093994  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55009 Sonoma 2 mi w Graton 121 Comment
  UC535020  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  UC549680  Arctostaphylos stanfordiana J. E. Adams 1935-3-1 1021 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UC583389  Arctostaphylos stanfordiana Elmer I. Applegate 1924-3-25 8858 Sonoma Pine Flat region Mayacama Mountains (w slope of mts) Comment
  CAS-BOT-BC47347  Arctostaphylos stanfordiana Elsa G. Ruckert 1960-3-12 18 Sonoma 1.5 mi. from Highway 12 on n. Trinity Rd. 152 Comment
  JEPS95231  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  UCD51008  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1982-4-10 20301 C 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 Rd. On topo map area is called ' Red Slide', north of Cazadero in Sonoma County. Comment
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Oct 17 2013
  POM131953  Arctostaphylos stanfordiana subsp. stanfordiana A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 10650 Sonoma Western base of Mt. Hood. Comment
  RSA201846  Arctostaphylos stanfordiana subsp. stanfordiana Roman Gankin 1966-3-3 687 Sonoma 3.1 miles east of junction with State Highway 12. Comment
  RSA364258  Arctostaphylos stanfordiana subsp. stanfordiana Roger Raiche 1983-9-25 RR- 30733 Sonoma Clipper Mill Bridge, Stewarts Point Road (2.6 miles east on that road from Highway 1). Comment
  SEINET11990990  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I. 1983-1 4726 Sonoma Tilden Botanic Garden, Berkeley, orig. from Rincon Ridge near Santa Rosa Comment
  UC549529  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 745 Sonoma s Gualala Riv.; Sonoma Co. coast Comment
  UC1220419  Arctostaphylos viscida subsp. pulchella J. A. Delapp 1962-3-10 62 Sonoma 4.1 mi ne Cazadero; Quad 61D-$, Gilliam Creek 167 Comment
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Mar 7 2016
  CAS-BOT-BC47464  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight; Tiffany Knight; Dr. Steve Edwards 1985-7-21 5210 Sonoma Red Hill on Pine Flat Road 653 Comment
  CAS-BOT-BC47468  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ridge, north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek. Comment
  CAS-BOT-BC400484  Aristolochia californica F. Almeda; G. DeNevers 1981-3-30 4875 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch Comment
  UC6147  Aristolochia californica Alice King c. 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC400481  Aristolochia californica Greg de Nevers 1980-3-19 552 Sonoma Pepperwood Ranch. Confluence of Leslie Creek with Mark West Creek 68 Comment
  SD99366  Aristolochia californica Christopher Davidson 1977-6-17 5975 Sonoma Sate Hwy #12, ca. 3 miles west of Guerneville, along Russian River. 14 Comment
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Mar 18 2012
  SEINET7067267  Armeria maritima subsp. californica A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  UC29614  Arnica discoidea J. Burtt Davy 1896-7-1 4130 Sonoma near, (ridge above Smith's Valley) Guerneville; Russian River, Smith's Valley Comment
  CAS-BOT-BC175852  Artemisia Peter Rubtzoff 1953-11-1 1435 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC172576  Artemisia Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh. Comment
  RSA94406  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma Roadside 6 miles south of Santa Rosa Comment
  UCD148374  Artemisia douglasiana Peter Rubtzoff 1955-10-12 2164 Sonoma Duncans Mills Marsh. Comment
  UCSB15414  Artemisia pycnocephala Breedlove, Dennis 1961-12-31 Sonoma At mouth of Russian River 3 Comment
  SEINET258285  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10233 .1 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  NY318602  Asclepias purpurascens C. B. Towle 06 1874 Sonoma At summit to geysers, on road from Calistoga Comment
  SEINET197693  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 975 Comment
  JEPS343  Aspidotis californica F. T. Bioletti 1892-5-15 Sonoma Hoods Peak Comment
  SACT000181  Aspris capillaris M. Wiesendanger 1927-5-5 Sonoma 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-BC477894  Asteraceae Peter Rubtzoff 1974-9-8 7891 Sonoma Forest Hills. 5.5 mi. east of Guerneville. Comment
  CAS-BOT-BC180464  Astragalus breweri Robert F. Hoover 1939-4-18 4038 Sonoma Occidental Comment
  UC353932  Astragalus breweri Milo S. Baker 1928-4-16 2957 a Sonoma Mill Creek Road near Junction School; Mill Creek Road near Junction School Comment
  UC353936  Astragalus breweri Milo S. Baker 1928-4-18 2975 b Sonoma Hiway 1/2 mi n Occidental; n of Occidental Comment
  UC424775  Astragalus breweri Milo S. Baker 1929-4-16 3512 b Sonoma near Alpine Sch. H.; near Alpine Sch. H. Comment
  JEPS112827  Astragalus gambelianus Dean W. Taylor 1994-5-4 14215 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UC13433  Astragalus gambelianus E. L. Greene 1892-4-20 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC186826  Astragalus gambelianus G. DeNevers 1981-4-25 833 Sonoma Lower Pepperwood entrance Comment
  RSA415822  Astragalus gambelianus J. T. Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena. Comment
  RSA94287  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66148  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-11-24 843 Sonoma Northern half of Lower Marsh Comment
  UCD136295  Athyrium filix-femina var. cyclosorum Frederica Bowcutt 1984-6-24 468 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Southend of Gerstle Cove along creek. Just south of picnic area and parking for Environmental campsite #4. 30 Comment
  UC1299654  Athysanus pusillus Freed Hoffman 1947-2-28 610 Sonoma near. headwaters of Gilliam Creek Guerneville; North Coast Ranges, Gilliam Creek Comment
  RSA0018574  Atriplex Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh. Comment
  RSA0018576  Atriplex Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCR248362  Atriplex prostrata Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh Comment
  CDA36981  Avena fatua CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC1103326  Avena fatua Joseph P. Tracy 1933-5-1 12131 Sonoma Knight's Valley Northern Coast Ranges Comment
  UCD56267  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3563 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CDA33712  Azolla filiculoides Patrick Akers 2011-2-22 s.n. Sonoma Sonoma. 2299 Sobre Vista Road 0 Comment
  CAS-BOT-BC68341  Azolla filiculoides Peter Rubtzoff 1961-6-23 4653 Sonoma Bennett Mtn. Lake Comment
  RSA94308  Baccharis douglasii Peter Rubtzoff 1951-8-4 575 Sonoma Open area between the Upper and Lower marshes Comment
  CAS-BOT-BC99590  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6182 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  POM41966  Baccharis salicifolia Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  HSC5131  Baccharis salicifolia P. J. Zinke 1950-4-25 117 Sonoma 2 miles S. of Cloverdale 152 Comment
  CAS-BOT-BC354326  Barbarea Peter Rubtzoff 1989-6-10 10006 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
  RSA0022354  Beckmannia Peter Rubtzoff 1970-6-14 6263 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC145833  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  POM206250  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian river. Comment
  UC37448  Beckmannia syzigachne Michener and Bioletti 1893-6-10 114 Sonoma Kenwood Comment
  UC70977  Beckmannia syzigachne W. C. Blasdale 1893-6-10 Sonoma Los Guitucos Comment
  CAS-BOT-BC290723  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC290566  Bidens laevis Peter Rubtzoff 1954-11-18 1764 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC27854  Blennosperma bakeri Milo Samuel Baker 1946-3-28 11307 Sonoma Western outskirts of Sonoma Comment
  UC1224619  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 mi s of, on Arnold Drive El Verano Comment
  UC725276 Image available Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma ca 0.25 mi s Napa Street (in field on e side of street, Hog Wallow w outskirts of Sonoma); Sonoma, Hog Wallow; near Sonoma, Sonoma Co. Comment
  NY31010  Blennosperma californicum E. Samuels 106 Sonoma Comment
  POM54940  Blennosperma nanum A. A. Heller, H. E. Brown 1902-3-14 5064 Sonoma Near Windsor Comment
  SEINET10768038  Boechera breweri subsp. breweri Donald Loarie 2014-4-20 Loarie s.n. Sonoma S-facing rock wall on a tributary just upstream of the confluence with Sausal Creek, but before reaching the Pine Flat road culvert and the nearby pumping station. Comment
  CAS-BOT-BC154957  Boisduvalia densiflora Peter Rubtzoff 1962-6-19 4919 Sonoma Occidental Marsh Comment
  RSA94294  Boisduvalia densiflora var. densiflora Peter Rubtzoff 1951-7-14 455 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  CAS-BOT-BC154977  Boisduvalia glabella Peter Rubtzoff 1963-7-14 5202 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC28224  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-11 3656 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  CAS-BOT-BC290549  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1963-8-17 5221 Sonoma Salt marsh near Petaluma River just east of Petaluma. Comment
  UC1051640  Botrychium multifidum Peter Kamb, Francia Chisaki 1950-6-16 1866 Sonoma NW of Sebastopol (Pitkin Marsh, 1 mi N of Sousa Corners) Comment
  CAS-BOT-BC366885  Boykinia occidentalis Greg de Nevers 1997-9-22 11090 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCD102604  Boykinia occidentalis K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC418503  Boykinia occidentalis Mrs. C. A. Burlingame 1921-6-28 s.n. Sonoma Sonoma Comment
  UCD56890  Brachypodium phoenicoides P. G. Connors 1991-7-8 198 Sonoma Bodega Head and Dunes. Comment
  UCD56891  Brachypodium phoenicoides R. C. Morehouse 1937-8-23 s.n. Sonoma Sample plot one mile west of Bloom field. East of Valley Ford. Comment
  CAS-BOT-BC36652  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. Comment
  SEINET11195111  Brassica rapa R. R. Halse 1987-2-22 3374 Sonoma Sonoma Valley, along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend. 6 Comment
  CDA3606  Brassica rapa J. M. DiTomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab across from entrance to the marine facility. 0 Comment
  CAS-BOT-BC145483  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  RSA126876  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 1 mile S.E. of Forestville 30 Comment
  SBBG21223  Briza maxima B. Crampton 1954-4-26 Sonoma 2 mi N of Geyserville, US Hwy 101 Comment
  SEINET3128635  Briza maxima M. A. King 1897-1 sn Sonoma Near Healdsburg Comment
  CAS-BOT-BC145289  Briza minor John Thomas Howell 1935-5-5 12607 Sonoma Kenwood. Comment
  UC750810  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma near Duncan Mills; Russian River Comment
  UCD57431  Briza minor Hursh 1919-5-12 X 3251 Sonoma Santa Rosa. Comment
  CAS-BOT-BC361411  Brodiaea californica subsp. leptandra Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. In Devils Kitchen 457 Comment
  CAS-BOT-BC484395  Brodiaea elegans subsp. elegans Peter Rubtzoff; Nancy Harrison; Dug Jones 1974-6-8 7575 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 miles from Llano Road Comment
  RSA227221  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6087 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  UCD77137  Brodiaea leptandra Robert E. Preston 2004-6-26 2264 Sonoma Ca. 2 mi NE of Santa Rosa, along St. Helena Rd 234 Comment
  CAS-BOT-BC486527  Brodiaea stellaris Peter Rubtzoff 1957-5-26 3365 Sonoma Occidental Marsh Comment
  SEINET207371  Brodiaea stellaris Rimo Bacigalupi, G. T. Robbins; F. Hoffmann 1956-5-31 5675 Sonoma Along secondary road following Big Austin Creek at base of 'The Butcher Knife 183 Comment
  CAS-BOT-BC486457  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1971-6-5 6507 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC486477  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Nancy Harrison 1976-6-18 8642 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD58209  Bromus carinatus P. B. Kennedy 1915-6-1 40 X Sonoma Del Mar. Comment
  UCD58259  Bromus carinatus Collector unknown 1941-6-1 Sonoma Garden in Santa Rosa. Comment
  UC1130960  Bromus carinatus var. carinatus H. S. Yates 1937-5-31 6562 Sonoma 2 mi e of Mark West Springs 243 Comment
  UC1130977  Bromus carinatus var. carinatus H. S. Yates 1934-4-22 3838 Sonoma 3 mi e of Mark West 213 Comment
  CAS-BOT-BC149084  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshal - Petaluma road 5 miles west of junction of Wilson Hill Road. Comment
  CAS-BOT-BC148783  Bromus carinatus var. marginatus James Jokerst 1985-4-26 2270 Sonoma Near Caldwell Ranch. Comment
  UCD160977  Bromus carinatus var. marginatus James A. Neilson Jr. 1975-7-8 3305 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UC1146636  Bromus carinatus var. maritimus Freed W. Hoffman 1944-7-1 1984 Sonoma North Coast Ranges, Bodega Bay Bodega Bay; North Coast Ranges, Bodega Bay Comment
  CAS-BOT-BC155851  Bromus catharticus var. elatus Peter Rubtzoff 1962-5-5 4804 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC155900  Bromus catharticus var. elatus David L. Morgan 1956-5-13 s.n. Sonoma On Arnold Drive, 0.5 mile south of Sonoma State Home. Comment
  CDA43044  Bromus commutatus G. Radieve & J. Curtis 2014-4-14 Sono 0479 Sonoma Sugarloaf Ridge State Park. 0 Comment
  UCD58474  Bromus commutatus B. Crampton 1955-5-8 2820 Sonoma Hwy. 128. Alexander Valley. Comment
  CAS-BOT-BC155201  Bromus hordeaceus Peter Rubtzoff 1951-7-21 486 Sonoma Pitkin Marsh, near Forestville. Souther half of Lower Marsh. Comment
  CAS-BOT-BC155204  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 Sonoma Laguna de Santa Rosa east of Cunningham (Near Llano Road). Comment
  CAS-BOT-BC155250  Bromus hordeaceus John H. Thomas 1966-5-8 11596 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  RSA785738  Bromus hordeaceus Carrie A. Herd 1982-4-25 117 Sonoma Rohnert park. California State University, Sonoma, Open field between down parking lo and bicycle path. Comment
  CAS-BOT-BC162396  Bromus laevipes G. DeNevers 1981-6-20 1591 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  CDA36867  Bromus laevipes 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
  SBBG22698  Bromus laevipes M. S. Walters 1960-6-12 Sonoma vicinity of Monte Rio on St Hwy 12 Comment
  UC37643  Bromus laevipes Michener and Bioletti 1893-6-10 112 Sonoma Hood's Peak Comment
  CAS-BOT-BC161700  Bromus rubens Mary P. Wells 1984-5-24 306 Sonoma Annadel State Park southeast of Santa Rosa. Comment
  CAS-BOT-BC161520  Bromus tectorum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53990 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CDA3587  Cakile maritima H. F. McCracken 1965-8-23 Sonoma Bodega Bay. 0 Comment
  CAS-BOT-BC352218  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville. Comment
  RSA0064342  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of lower Salmon Creek Marsh. Comment
  RSA0064343  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD57039  Calamagrostis bolanderi Freed W. Hoffman 1941-6-15 2157 Sonoma North Coast Ranges, Sonoma Coast, Eckert's Ranch near Salt Point. Comment
  CAS-BOT-BC368031  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  RSA55254  Calamagrostis nutkaensis Timothy S. Ross 1938-7-7 2926 Sonoma Near Ft. Ross. Comment
  SDSU970  Calamagrostis nutkaensis D. F. Howe 1963-7-3 3582 Sonoma 19 miles north of junction with #12 on #1 Comment
  UC1131348  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma 2 mi ne Freestone; Sebastapol Quadrangle Comment
  OBI22358  Calamagrostis ophitidis Robert F. Hoover 1965-6-29 9475 Sonoma N of summit on Harrison Grade rd near Occidental Comment
  RSA0065162  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC438607  Calandrinia ciliata Peter Rubtzoff 1952-3-23 885 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  UC727779  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma a mi or so s of El Verano (along overflow channel just w of Sonoma Cr.) Comment
  CAS-BOT-BC273247  Calendula arvensis John Thomas Howell 1959-5-7 34593 Sonoma Fetters Springs Comment
  RSA90984  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  CAS-BOT-BC167304  California macrophylla J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  RSA90503  Callitriche heterophylla subsp. bolanderi Leo Koch 1939-5-15 630 Sonoma Hamilt(a)on Ranch. 1 mile from Old Adobe. East of Petaluma. Comment
  HSC100960  Callitriche marginata Peter Warner, Sarah Gordon 2011-5-16 199 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 210 Comment
  RSA0035348  Callitriche verna Peter Rubtzoff 1969-5-3 6027 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS61626  Calochortus amabilis F. Hein 1931-4-14 Sonoma Skaggs Spring Comment
  UCR265242  Calochortus amabilis Ann Howald 2015-4-28 3375 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  CAS-BOT-BC483291  Calochortus amabilis A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero 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
  RSA13439  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  UC423007  Calochortus amabilis H. P. Chandler 1907-4-27 7541 Sonoma St. Helena to Santa Rosa Comment
  CAS-BOT-BC492643  Calochortus luteus Carl Purdy No date on label. s.n. Sonoma Sonoma Co Comment
  CAS-BOT-BC32344  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma North of Cazadero, The Cedars, headwaters of Big Austin Crk. near Laton Mine 256 Comment
  JEPS55638  Calochortus tolmiei Wayne Roderick 1967-5-13 Sonoma ca 1 rd mi n Fort Ross 22 Comment
  SD254491  Calochortus uniflorus Ann Howald, Christina Freeman 2015-4-13 3340 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, south shore, ca. 300 feet north of intersection Pig Flat and Marsh trails. 363 Comment
  UC3483  Calochortus uniflorus F. T. Bioletti Sonoma Comment
  CAS-BOT-BC270710  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 miles N of Occidental Comment
  RSA255606  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers 488 Comment
  CDA11977  Calycadenia truncata G. F. Hrusa, T. D. Wilfred 1995-12-3 12482 Sonoma North Coast Biodiversity Arena; Immed. below W base of Chalk Mtn. Foote Ranch, NW base of Mt. St. Helena. Comment
  CAS-BOT-BC272757  Calycadenia truncata subsp. truncata John Thomas Howell 1926-10-3 2212 Sonoma Two miles from Petrified Forest on road to Calistoga Comment
  SEINET5626851 Image available Calycanthus Unknown 1893-1 1103 (C.W. Fallass). Sonoma Hoods Peak Comment
  CAS-BOT-BC90996  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek. Comment
  CAS-BOT-BC91000  Calycanthus occidentalis H. E. McMinn 1922-6-7 180 Sonoma Near Monte Rio. Comment
  RSA177998  Calycanthus occidentalis R. F. Thorne 1965-4-19 34301 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  RSA271933  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  RSA534717  Calycanthus occidentalis Peter Rubtzoff 1980-5-26 9446 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. Comment
  UC9828  Calycanthus occidentalis F. T. Bioletti Aug 1891 Sonoma Sonoma Comment
  CHSC27858  Calypso bulbosa Pauline kunst 1977-3-6 12 Sonoma Abundant, ca. 0.2 mi ne of jct of Camp Meeker Occidental Rd. and Sylvania Heights, Camp Meeker. 188 Comment
  RSA168536  Calypso bulbosa M. S. Baker s.n Sonoma Near Cazadero Comment
  SEINET196190  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
  UC1731250  Calystegia collina subsp. oxyphylla Dean W. Taylor 1997-5-7 15986 Sonoma The Cedars, headwaters Austin Creek, slope at head of drainage southward off hill 1904 North Coast Ranges 563 Comment
  UCSB50245  Calystegia occidentalis Gray, John 1976-5-1 Sonoma Bluff above Blind Beach, 1/2 mile west of Highway 1; T7N R11W 60 Comment
  JEPS18142  Calystegia subacaulis Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5664 Sonoma Along and just above creek-bed, headwaters of Big Austin Creek, vicinity of The Cedars, near Layton Chromite Mine. 266 Comment
  UC1299584  Calystegia subacaulis Freed W. Hoffman 1947-4-13 777 Sonoma North Coast Ranges. Near Guerneville, Gilliam Creek. Comment
  UCD138378  Camassia quamash subsp. linearis Mary M. Hektner 1975-4-27 187 -A Sonoma along path to Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD19486  Camissoniopsis cheiranthifolia Terry Reedy 1974-5-11 213 Sonoma Bodega Head. 12 Comment
  CAS-BOT-BC160363  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Milo S. Baker 1925-1-1 s.n. Sonoma Near Bodega Bay Comment
  UC107658  Camissoniopsis hirtella Michener and Bioletti May 1892 Sonoma Comment
  JEPS48129  Campanula angustiflora Milo Baker 1942-5-27 10203 Sonoma along road turning n Spring Mt. Road summit (near boundary of Sonoma and Napa Counties) Comment
  CAS-BOT-BC266427  Campanula californica Peter Rubtzoff 1951-6-30 299 Sonoma The Pitkin Marsh, near Forestville. W branch of the Upper Marsh Comment
  HSC95909  Campanula californica Melissa Brooks, Colette Beaupre 2000-7-20 Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M. 61 Comment
  RSA94358  Campanula californica Peter Rubtzoff 1951-09 708 Sonoma Northwestern; outer North Coast ranges region Margin of creek at Hwy 12, SE of Forestville Comment
  SEINET10905986  Campanula californica Mason 1946-7-4 Mason 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  SEINET10905987  Campanula californica P. Rubtzoff 1951-6-30 Rubtzoff 299 Sonoma Pitkin Marsh, near Forestville, western branch of Upper Marsh, in a marshy opening Comment
  SEINET10939079  Campanula californica Baker 1941-8-4 Baker 10165 Sonoma Coast Highway, between Fort Ross and Stewart's Point Comment
  UCD77454  Cardamine californica Robert E. Preston 2001-2-28 1497 Sonoma Ca. 2.5 mi NE of Fort Ross, near Seaview 381 Comment
  RSA790011  Cardamine californica var. californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone Marsh. Comment
  UCD164684  Carduus Peter Rubtzoff 1976-5-30 8569 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC282948  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  RSA790301  Carduus pycnocephalus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC281766  Carduus pycnocephalus John H. Thomas 1976-6-15 18280 Sonoma S end of the Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  UCD159445  Carduus pycnocephalus subsp. pycnocephalus D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 202 Sonoma Near Sonoma state beach hiking trail. Abundant. 40 Comment
  CDA37139  Carduus tenuiflorus Chris Heintzelman 2012-3-1 PDR# 1596519 Sonoma Bodega Head; approx. 1/4 mile north of the east parking lot (currently closed). 0 Comment
  CAS-BOT-BC422345  Carex Peter Rubtzoff 1975-7-3 8145 Sonoma Kenwood Marsh. Comment
  UCR254736  Carex abrupta Peter Rubtzoff 1958-5-17 3658 Sonoma Laguna de Santa Rosa north of Sebastopol, near Occidental Road 18 Comment
  CAS-BOT-BC334522  Carex abrupta Peter Rubtzoff 1957-6-28 3376 Sonoma Duncans Mills Marsh. Comment
  SEINET7550703 Image available Carex athrostachya John Thomas Howell, J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  CAS-BOT-BC19364  Carex barbarae John Thomas Howell; J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  CAS-BOT-BC19368  Carex barbarae Helen D. Geis 1902-8-1 566 Sonoma Skaggs. Comment
  CAS-BOT-BC422363  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh. Comment
  UC1133324  Carex barbarae H. S. Yates 1936-5-16 5584 Sonoma 1 mi NE of Graton 30 Comment
  UCR249345  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC19374  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  RSA295078  Carex barbarae Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4209 Sonoma Trenton Rd., by the Boriolo Ranch, just S of and paralleling River Rd., approx. halfway between Guerneville and Santa Rosa. (Near N part of Laguna de Santa Rosa). 15 Comment
  RSA94269  Carex buxbaumii Peter Rubtzoff 1952-5-31 1108 Sonoma Pitkin Marsh, near Forestville, northern half of Lower Marsh Comment
  CAS-BOT-BC20240  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC20483  Carex densa Peter Rubtzoff 1951-6-16 264 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC20485  Carex densa Peter Rubtzoff 1952-5-31 1122 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC20487  Carex densa Peter Rubtzoff 1952-5-31 1106 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC20493  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Sonoma County Marshes. Fife Creek Marsh. Comment
  CAS-BOT-BC20495  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Sonoma County Marshes. Freestone Marsh. Comment
  CAS-BOT-BC249290  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh Comment
  UC70642  Carex densa Bioletti 1893-1 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC20471  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  CAS-BOT-BC20497  Carex densa Peter Rubtzoff 1958-5-3 3621 Sonoma Sonoma County Marshes. Atascadero Creek Marsh. Comment
  UCD140271  Carex densa G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12031 Sonoma Todd Road Reserve, near corner Todd Road and Llano Road. Comment
  UC767099  Carex deweyana subsp. leptopoda Robert F. Hoover 1941-5-14 5079 Sonoma 3 mi S of Monte Rio (on road to Camp Meeker) Comment
  RSA758137  Carex dudleyi Peter Rubtzoff 1975-7-3 8148 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC329296  Carex exsiccata Peter Rubtzoff 1960-6-7 4451 Sonoma Austin Creek Marsh. Comment
  RSA0015630  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh. Comment
  RSA0015631  Carex exsiccata Peter Rubtzoff 1958-5-17 3668 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd). Comment
  CAS-BOT-BC20444  Carex globosa J. W. Congdon 1892-5-29 s.n. Sonoma Cazadero. Comment
  CAS-BOT-BC20448  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. 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
  CAS-BOT-BC28363  Carex gracilior Peter Rubtzoff 1959-5-30 4065 Sonoma freestone Marsh. Comment
  CAS-BOT-BC28365  Carex gracilior Peter Rubtzoff 1955-4-30 1794 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC28367  Carex gracilior Peter Rubtzoff 1954-7-20 1500 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC28373  Carex gracilior John Thomas Howell 1938-7-3 13966 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC28375  Carex gracilior John Thomas Howell 1947-6-5 23238 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC28332  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 a Sonoma Meadow at Cloverdale. Comment
  CAS-BOT-BC32473  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  CAS-BOT-BC146602  Carex gynodynama Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4495 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  CAS-BOT-BC21910  Carex harfordii Peter Rubtzoff 1955-5-21 1857 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  UCD112445  Carex harfordii Peter Rubtzoff 1954-6-20 1499 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC31176  Carex lemmonii Peter Rubtzoff 1974-6-8 7572 Sonoma Pitkin Marsh, near forestville. In the southern part of the Upper Marsh, Comment
  UCD140473  Carex lemmonii John Thomas Howell 1957-6-13 s.n. Sonoma Pitkin Marsh. Comment
  UCD140480  Carex leporina Frederica Bowcutt 1994-5-1 1782 a Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco. About 10 air miles east of Santa Rosa. About 2.5 air miles north of Kenwood. About 18 air miles northwest of Napa. Campground, south of Sonoma Creek about 150 yards, 1/4 miles NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. Comment
  CAS-BOT-BC31432  Carex leptopoda R. F. Hoover 1941-5-14 5079 Sonoma 3 mi S of Monte Rio on road to Camp Meeker. Comment
  SBBG32422  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay 1 Comment
  CAS-BOT-BC119315  Carex obnupta Peter Rubtzoff 1951-6-10 208 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  UCR250034  Carex obnupta Peter Rubtzoff 1964-7-29 5445 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  CAS-BOT-BC312676  Carex ovalis Peter Rubtzoff 1955-8-6 2025 Sonoma Duncans Mills Marsh. Comment
  RSA0022356  Carex ovalis Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC118941  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  RSA0023071  Carex pellita Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC331479  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville. Comment
  JEPS100609  Carex serratodens Dean W. Taylor 1994-5-4 14207 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  NY11335  Carex sonomensis T. J. Howell 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  UCR248868  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  UCR208531  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh 9 Comment
  UCD140916  Carex subfusca Peter Rubtzoff 1954-7-5 1537 Sonoma Guerneville Marsh. Comment
  RSA52174  Carex tumulicola J. T. Howell 1947-6-5 23239 Sonoma Cunningham Marsh Comment
  RSA0020341  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh. Comment
  UCD160818  Castilleja affinis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3481 Sonoma Section 10, along Geysers Road, west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  JEPS14262  Castilleja affinis subsp. affinis Rimo Bacigalupi and F. Chisaki with G. Thomas Robbins 1956-4-17 5585 Sonoma 0.9 mi below Rincon Grade summit (on road between Kenwood and Franz Valley and Calistoga, overlooking Rincon Valley) 213 Comment
  JEPS20321  Castilleja ambigua subsp. ambigua Lewis S. Rose 1955-6-2 55057 Sonoma 10 mi w Santa Rosa (w of Vine Hill Road); Pitkin Marsh 30 Comment
  SD130527  Castilleja attenuata F. Almeda, G. DeNevers 1981-4-28 4918 Sonoma Pepperwood Ranch, vicinity of the Bechtel cabin Comment
  LA209417  Castilleja campestris M. S. Baker; May 1935 8043 Sonoma ditch along R.R. track, SW of Wright School Comment
  LA209431  Castilleja densiflora H. E.; S. T. Parks 1930-5-7 632 Sonoma N end of Kinght's Valley 106 Comment
  POM15642  Castilleja densiflora subsp. densiflora A. A. Heller, H. E. Brown 1902-4-16 13150 Sonoma Fields east of Santa Rosa Comment
  SEINET12337432  Castilleja franciscana Unknown 1986-1 60158 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 366 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
  UC1179004  Castilleja rubicundula subsp. lithospermoides Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1132 Sonoma 2.6 mi n Healdsburg Comment
  JEPS19385  Castilleja subinclusa subsp. franciscana G. Thomas Robbins 1938-4-15 256 Sonoma 2.5 mi e Bodega Bay (along road to Bodega) Comment
  JEPS35569  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1385 Sonoma s side Russian River (just across bridge on State Highway 1) Comment
  JEPS35572  Castilleja wightii L. R. Heckard 1964-6-12 1382 Sonoma about 2 mi n Stewarts Point (along Calif Hwy 1) Comment
  JEPS60457  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6696 Sonoma about 1 mi s Stewart's Point Comment
  POM180613  Castilleja wightii J. T. Howell 1930-6-8 5281 Sonoma 8.5 miles north of Bodega Bay. Comment
  RSA700516  Castilleja wightii Noel Holmgren, James L. Reveal 1966-6-6 2650 Sonoma California 1, 2 miles south of California 116 junction. Comment
  SBBG6848  Castilleja wightii H. and M. Dearing 1929-5-14 3348 Sonoma rd to coast, Russian River Comment
  UCSB5988  Castilleja wightii Keator, Glenn 1958-6-17 Sonoma Near the northern end of Tomales Bay Comment
  JEPS86152  Ceanothus Wayne Roderick 1962-1-1 Sonoma near Sea View (on ridge above Ft. Ross) Comment
  UCD168053  Ceanothus James Neilson 1978-6-9 3963 Sonoma Mayacmas Mountains, Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  JEPS83712  Ceanothus confusus R. Raiche 1988-3-28 80020 Sonoma e Guerneville (e end of Gilder Ridge and just w of Wohler Bridge); Mt. Jackson area Comment
  UC449694  Ceanothus confusus Milo S. Baker 1898-3-2 704 Sonoma Santa Rosa Comment
  UCD111373  Ceanothus confusus Roger Raiche 1985-11-28 RR 50897 Sonoma W of Cloverdale, Red Mt. between Hot Springs Road and Cherry Creek Road. 377 Comment
  CAS-BOT-BC49075  Ceanothus cuneatus J. Harry Goff 1937-4-1 s.n. Sonoma Sonoma Creek Canyon near Kenwood Comment
  CAS-BOT-BC49197  Ceanothus cuneatus Walter Knight; Irja Knight 1963-12-27 477 Sonoma Summit, Pine Flat Rd. Comment
  UCD111749  Ceanothus cuneatus G. F. Hrusa 1995-4-2 12041 Sonoma along Franz Valley School Road, approximately 1.25 miles NW of Napa/Sonoma county line. 250 Comment
  JEPS128182  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 005 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC870541  Ceanothus divergens Milo S. Baker 1940-1-1 9588 Sonoma rd. from Calistoga towards Franz Valley (near School House) Comment
  RSA177972  Ceanothus divergens subsp. confusus Robert F. Thorne 1965-4-20 34348 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  RSA339387  Ceanothus divergens subsp. confusus Roger Raiche 1985-11-28 50897 Sonoma W of Cloverdale, Red Mt. betw Hot Springs Road and cherry Creek Road. 378 Comment
  CHSC39450  Ceanothus foliosus B. A. Stein; B. Shumacher 1981-3-7 445 Sonoma Vine Hill School Rd. 45 Comment
  OBI10516  Ceanothus foliosus H. E. McMinn 1941-4-26 5319 Sonoma Rincon Ridge Comment
  POM136437  Ceanothus foliosus A. A. Heller, H. E. Brown 1902-5-29 s.n. Sonoma Mt. Hood. Comment
  UC1299554  Ceanothus foliosus Freed W. Hoffman 1947-5-30 522 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  CAS-BOT-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood Comment
  RSA300966  Ceanothus foliosus var. vineatus D. C. Michener 1982-7-26 4118 Sonoma Vine Hill School road, 100' west of Vine Hill school, lot west of residence 6096; north road bank between vineyard and road Comment
  CAS-BOT-BC49993  Ceanothus gloriosus John Thomas Howell 1937-4-11 12902 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49995  Ceanothus gloriosus John Thomas Howell 1937-4-11 12898 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49997  Ceanothus gloriosus Milo S. Baker 1935-4-1 8026 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50009  Ceanothus gloriosus John Thomas Howell 1937-4-11 12908 Sonoma MS. Baker place, SW. slope of Mt. Hood Comment
  SEINET12210790  Ceanothus gloriosus W. Knight, Knight, I. 1982-1 4511 Sonoma Tilden Botanic Garden, Berkeley 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-BC49948  Ceanothus gloriosus var. exaltatus Walter Knight; Irja Knight 1963-11-21 417 Sonoma Guerneville Rd near Laguna Rd. Comment
  UC912383  Ceanothus gloriosus var. exaltatus Herbert L. Mason 1931-3-7 5801 Sonoma Vine Hill School, 12 miles west of Santa Rosa. Comment
  CAS-BOT-BC49944  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6692 Sonoma Two miles north of Sebastopol Comment
  HSC101102  Ceanothus gloriosus var. exaltatus Peter Warner 2011-8-12 231 Sonoma Jenner Headlands, mid-upper Jenner Gulch watershed, ridgetop, about 1.6 km N42 deg. E fr. cottage on Willig Extension 322 Comment
  SEINET12210818  Ceanothus gloriosus var. exaltatus W. Knight, Knight, I. 1982-1 4650 Sonoma W of Sebastopol Comment
  UCSB25383  Ceanothus gloriosus var. gloriosus McMinn, H. 1938-6-20 Sonoma Stewarts Point to Gualala Comment
  CAS-BOT-BC63735  Ceanothus griseus Dorothy Scherer 1996-3-16 002 Sonoma Winderemere Point, Fort Ross State Historic Park. 24 Comment
  CAS-BOT-BC63737  Ceanothus griseus A. A. Heller 1903-4-23 6606 Sonoma Fort Ross. Comment
  RSA276844  Ceanothus incanus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  UCD112175  Ceanothus incanus Collector unknown Date unknown s.n. Sonoma southeastern part of county. Comment
  UCD111985  Ceanothus integerrimus R. H. Neuns 1950-5-17 111 Sonoma 4 miles east of The Geysers (airline). 990 Comment
  CAS-BOT-BC50720  Ceanothus integerrimus var. macrothyrsus Helen D. Geis 1902-1-1 s.n. Sonoma unspecified Comment
  JEPS46062  Ceanothus jepsonii Eleanor Armstrong 1933-4-15 790 Sonoma Camp Meeker 289 Comment
  POM203618  Ceanothus jepsonii J. T. Howell 1933-4-2 10959 Sonoma 2 miles east of Occidental Comment
  RSA107840  Ceanothus jepsonii L. S. Rose 1955-3-21 55030 Sonoma 2 mi NE of Occidental 213 Comment
  UC1070782  Ceanothus jepsonii E. Armstrong 1934-3-26 935 Sonoma 4 mi nw Camp Meeker; Sebastopol quad Comment
  UC1070783  Ceanothus jepsonii C. M. Belshaw 1936-3-8 1579 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa quad. Comment
  UCD158875  Ceanothus jepsonii James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2906 Sonoma Mayacmas Mountains; northwest corner of Section 15, The Geysers. (Elevation estimated by label maker using Google Earth.) 609 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
  RSA396204  Ceanothus jepsonii subsp. albiflorus F. H. Utech, Dick Walter, I. Knight 1984-4-18 84 -165 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  SEINET12211093  Ceanothus jepsonii var. albiflorus I. Knight, Knightwedwards, S. 1986-1 5360 Sonoma Access from Healdsburg-Geysers Road 975 Comment
  UC1176842  Ceanothus jepsonii var. jepsonii Lewis S. Rose 1955-3-21 55030 Sonoma 2 mi NE of Occidental 213 Comment
  UCD112488  Ceanothus parryi Frederica Bowcutt; Adam Green 1994-5-1 1798 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 Adobe Canyon Road at base of road cut. 213 Comment
  SBBG34155  Ceanothus sonomensis R. Gankin 1966-3-3 689 Sonoma Hooker Cyn, below Cavedale Rd, 3.1 mi E of jct with St Hwy 12 Comment
  UCD123964  Ceanothus sonomensis D. O. Burge 2008-5-25 991 e Sonoma Mayacamas Mountains, western slope of Hooker Canyon, at the residence of Marc Schwager and Allison Ash, Elarra Reserve, 3200 Cavedale Road, 4.50 km 92 deg. ESE of Glen Ellen. 500 Comment
  CAS-BOT-BC53039  Ceanothus sonomensis Milo S. Baker 1927-3-5 2011 a Sonoma South slope of Hood Mt. on Macertney Ranch 213 Comment
  CAS-BOT-BC53040  Ceanothus sonomensis Roman Gankin 1966-3-3 689 Sonoma On south-facing slope in Hooker Canyon, below Cavedale Road, 3.1 miles east of junction with State Highway 12 Comment
  UCSB25382  Ceanothus sonomensis McMinn, H. 1944-11-5 Sonoma Near old rock quarry about 1-2 miles from Kenwood highway as the Oakville road leads off Comment
  UCD112735  Ceanothus thyrsiflorus var. griseus Steven E. Smith 1977-5-14 25 Sonoma 3.8 mi. N. of Graton, W. side of Graton-Occidental Road. 5 Comment
  OBI70820  Celtis reticulata Matt Ritter 2009-7-2 s.n. Sonoma Street tree in Petaluma Comment
  CAS-BOT-BC282017  Centaurea calcitrapa Greg de Nevers 1987-5-11 8176 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  SEINET11843779  Centaurea calcitrapa W. Knight, Wagnon, K. 1987-1 6102 Sonoma Willow Brook N of Petaluma Comment
  UCD130037  Centaurea melitensis Frederica Bowcutt 1996-5-19 2136 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 east of Red Mountain. Gray Pine Trail. 731 Comment
  CAS-BOT-BC277156  Centaurea melitensis G. DeNevers 1981-6-6 1459 Sonoma Pepperwood Ranch Comment
  RSA121125  Centaurea solstitialis H. S. Yates 1935-10-3 5341 Sonoma Santa Rosa 53 Comment
  CAS-BOT-BC277256  Centaurea solstitialis Robert M. King 1980-7-8 8416 Sonoma 5 miles generally Northeast of Santa Rosa Comment
  OBI35874  Centaurium erythraea David J. Keil 1983-6-29 17201 Sonoma Ca. 10 mi SE of Ft. Ross along hwy 1 Comment
  UC66150  Centaurium muehlenbergii A. A. Heller 1902-6-28 5793 Sonoma near Mark West Springs Comment
  JEPS79686  Centaurium tenuiflorum Nancy Harrison 1980-7-19 2144 Sonoma n of Kirby Lane (and e of S Wright Rd, air center property); Santa Rosa Comment
  UC75838  Centromadia fitchii Miss M. Alice King 1897-6-1 Sonoma near Healdsburg Comment
  UCD160839  Centromadia fitchii James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3482 Sonoma Section 10, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  CAS-BOT-BC279399  Centromadia pungens subsp. pungens H. M. Hall 1931-10-6 13264 Sonoma West of Petaluma Comment
  UC8239  Cerastium arvense Harley P. Chandler 1900-5-25 714 Sonoma Bodega Bay Comment
  JEPS128183  Cerastium fontanum subsp. vulgare Roger Raiche 2001-3-17 007 .01 Sonoma The Cedars. Near Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET7067242  Cerastium glomeratum A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  CAS-BOT-BC400225  Ceratophyllum demersum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC400230  Ceratophyllum demersum Peter Rubtzoff 1955-7-16 1969 Sonoma Bennett Mtn. Lake Comment
  RSA6405  Cercocarpus betuloides Jens Clausen 1933-3-25 734 Sonoma Santa Rosa Creek. 183 Comment
  SEINET176827  Cercocarpus betuloides John T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  UC31015  Chaenactis glabriuscula var. heterocarpha H. N. Bolander 1864-1 3953 Sonoma at the Geysers Old Pine Mt.; Pine Mt., at the Geysers, Sonoma Co. Comment
  CAS-BOT-BC184930  Chasmanthium latifolium G. DeNevers 1981-7-1 1732 Sonoma Pepperwood Ranch. In the Pippindale Garden. Comment
  UCD166098  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  RSA756235  Chenopodium botrys Barbara Ertter 1988-11-5 8029 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  UCD164992  Chenopodium murale Peter Rubtzoff; Nancy Harrison 1974-9-7 7863 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. at creek crossing. Comment
  UCD35703  Chenopodium rubrum Beecher Crampton 1958-12-30 5141 Sonoma ca. 10 miles west of Vallejo. Comment
  CAS-BOT-BC499252  Chlorogalum pomeridianum Peter Rubtzoff 1951-8-18 617 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC499258  Chlorogalum pomeridianum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  UCD138412  Chlorogalum pomeridianum var. divaricatum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  SBBG32386  Chorizanthe cuspidata var. villosa L. S. Rose -Aug-1962 62077 Sonoma Bodega Pt 30 Comment
  JEPS37926  Chrysolepis chrysophylla Alice Griffin 1924-9-1 Sonoma Stewart's Point Comment
  UCR249045  Cirsium Peter Rubtzoff 1960-9-14 4547 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC280001  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  OBI16749  Cirsium douglasii var. douglasii Robert F. Hoover 1966-7-17 9914 Sonoma Sausal Crk N of Alexander Valley Comment
  UC178902  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  UC894296  Cirsium douglasii var. douglasii A. A. Heller 1902-7-2 5804 Sonoma e of Santa Rosa; Santa Rosa creek Comment
  UCD130614  Cirsium douglasii var. douglasii P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC280004  Cirsium douglasii var. douglasii L. R. Abrams 1920-7-3 7620 Sonoma Near Stewart Point Comment
  RSA0070873  Cirsium remotifolium Marcus E. Jones 1882-7-18 3385 Sonoma Duncan's Mills. Comment
  UC1299441  Cirsium remotifolium var. odontolepis Freed W. Hoffman 1946-8-25 792 Sonoma near Guerneville; North Coast Ranges, Cemetery Ridge Comment
  UC30827  Cirsium remotifolium var. odontolepis F. T. Bioletti 1892-1 Sonoma Tracy Comment
  CAS-BOT-BC285896  Cirsium vulgare John Thomas Howell 1946-8-17 22865 Sonoma Cunningham Marsh Comment
  SJSU704  Cirsium vulgare A. W. Jacobs 1941-7-27 Sonoma W bank, Russian River near Hilton Comment
  CAS-BOT-BC169774  Cistanthe quadripetala Maxine Wilkes 1940-5-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC162607  Clarkia W. R. Dudley 1893-9-9 s.n. Sonoma Russian River Comment
  CAS-BOT-BC161059  Clarkia amoena subsp. amoena C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  RSA108395  Clarkia amoena subsp. amoena Harlan Lewis, M. Lewis 1947-6-15 436 Sonoma Highway 1, Bodega Bay at west road to Doran Park Comment
  CAS-BOT-BC172213  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  UCR265106  Clarkia concinna Ann Howald 2015-4-1 3338 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 19.2 miles west of intersection with Rockpile Rd, Wheatfield Fork of Gualala River drainage 132 Comment
  LA206049  Clarkia concinna H. Lewis; 1951-7-10 868 Sonoma 0.7 mi W of Mark West Spring Comment
  SEINET10492115  Clarkia concinna Tim Holtsford 1992-5-23 Holtsford 920523 -3 Sonoma Mark west springs rd, 0.1 mi w of ursuline rd, at milepost "ldtr 362+00." W- Facing slope with oaks, rhus, heracleum. Clarkia unguiculata is sympatric. Comment
  JEPS85536  Clarkia concinna subsp. concinna L. R. Heckard with R. Bacigalupi and A. Q. Howard 1981-5-19 5508 Sonoma 2.5 mi from Mendocino County line (road from Cloverdale to Boonville, near s base of grade) Comment
  POM126043  Clarkia concinna subsp. concinna A. T. Graff 1925-5-20 s.n. Sonoma Trooper s, Cazadero Comment
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Nov 4 2015
  UCD158789  Clarkia gracilis James A. Neilson Jr. 1974-6-1 2876 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  JEPS79261  Clarkia imbricata L. R. Heckard 1980-7-4 5405 Sonoma ca. 2 mi ne Graton (at 4851 Vine Hill Road (Schwartz property)) Comment
  SD51807  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  CAS-BOT-BC164583  Clarkia purpurea subsp. viminea Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  JEPS43725  Clarkia purpurea subsp. viminea E. V. Ferguson 1919-6-11 226 Sonoma near Sebastopol Comment
  UCD161396  Clarkia rhomboidea James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge crest between Big Sulphur Creek and Squaw Creek. (Exact location unkown. Coordinates estimated by label maker.) Comment
  UCD160134  Clarkia unguiculata James A. Neilson Jr. 1973-6-7 2971 Sonoma Mayacmas Mountains. The Geysers. Site IV-G, Big Geysers. (Elevation and exact location estimated by label maker.) 365 Comment
  UCD100597  Claytonia exigua subsp. glauca G. F. Hrusa 1991-4-6 8310 Sonoma app. 1/4 m. N of Ida Clayton Rd. on N shoulder of Mt. St. Helena. 426 Comment
  UC583539  Claytonia gypsophiloides Elmer I. Applegate 1934-3-25 8846 Sonoma Sausal Creek Mayacamas Mountains (w foothills of Mayacamas Mountains) Comment
  UC765773  Claytonia gypsophiloides R. F. Hoover 1939-4-18 4044 Sonoma 3 mi w Graton (on road to Occidental) Comment
  RSA177929  Claytonia gypsophiloides R. F. Thorne 1965-4-20 324378 Sonoma ca. 3/4 mi.; Charles Newman s place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  UCD100671  Claytonia parviflora subsp. parviflora Jennifer Bury; Peggy Herzog 1993-5-8 291 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  UC465904  Clematis ligusticifolia V. King Chesnut Aug. 1887 Sonoma near Santa Rosa Comment
  UC1585374  Clintonia andrewsiana R. Raiche, K. Zadnik, and H. Forbes 1989-1-10 Sonoma 4.3 km e of Stewarts Point (on Skaggs Springs-Stewarts Point Road, along Gualala River); Gualala River 50 Comment
  CAS-BOT-BC499955  Clintonia andrewsiana George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  SEINET12051401  Clintonia andrewsiana F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -225 Sonoma ca 0.15 mi SE from East Ave jct with Bohemian Road on latter enroute to Occidental from Camp Meeker 140 Comment
  UC26616  Collinsia greenei H. N. Bolander 1866-1 3968 Sonoma The Geysers Comment
  RSA94790  Collinsia sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  RSA94791  Collinsia sparsiflora A. A. Heller 1903-4-23 6601 Sonoma Fort Ross. From type locality. Comment
  UC457176  Collinsia sparsiflora var. arvensis David D. Keck 1931-4-2 999 Sonoma Boyes Springs 30 Comment
  POM14841  Collinsia sparsiflora var. arvensis A. A. Heller, H. E. Brown 1902-3-21 5117 Sonoma Hills southeast of Santa Rosa Comment
  JEPS117085  Collinsia sparsiflora var. collina Peter Warner 2010-4-15 132 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. extension), approx. 0.8 km N of Jenner village, in ultramafic grassland about 400 m E of road, between power line overhead at cusp of Jenner Gulch. Comment
  JEPS128185  Collinsia sparsiflora var. sparsiflora Roger Raiche 2000-4-8 032 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS22935  Collinsia sparsiflora var. sparsiflora Volney Rattan 1880 Sonoma Healdsburg Comment
  POM14840  Collinsia sparsiflora var. sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  UC58446  Collinsia sparsiflora var. sparsiflora A. A. Heller 1903-4-23 6601 Sonoma Fort Ross Comment
  JEPS34516  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma on way to Rincon Valley St. Helena (near summit of Spring Mtn Rd); North Coast Ranges 609 Comment
  JEPS7299  Collinsia tinctoria W. L. Jepson 1923-6-28 10005 Sonoma near Kenwood (Sonoma Canyon); Sonoma Canyon 243 Comment
  UC30212  Collomia heterophylla H. N. Bolander 1864-1 3860 Sonoma bed Russian River Comment
  UCD126334  Conium maculatum Frederica Bowcutt 1994-6-12 1876 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. Just S of Adobe Canyon Road and kiosk. 396 Comment
  UCD127332  Conium maculatum Terri Williamson 1990-5-20 66 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  RSA223347  Convolvulus arvensis Peter Rubtzoff 1954-7-5 1540 Sonoma Guerneville Marsh. Comment
  UC23137  Convolvulus arvensis Alice King May 1897 Sonoma Healdsburg Comment
  UC73524  Convolvulus arvensis Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  JEPS45845  Corallorhiza maculata Eleanor Armstrong 1932-5-20 501 Sonoma 3 1/2 mi s Camp Meeker 91 Comment
  UC1134731  Corallorhiza maculata E. Armstrong 1934-3-26 946 Sonoma 4 mi n Camp Meeker; Sebastopol Quadrangle Comment
  UCD138898  Corallorhiza striata K. Esau 1933-4-14 s.n. Sonoma Napa County, Calistoga, near petrified forest. Comment
  JEPS95194  Cordylanthus maritimus subsp. palustris Jake Ruygt and Josh Collins 1993-9-17 Sonoma w 'Horseshoe' Pond (Petaluma Marsh); Petaluma Marsh 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
  UC444905  Cordylanthus pilosus subsp. pilosus V. King Chestnut 1887-7 Sonoma Santa Rosa Comment
  JEPS6815  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1939-9-12 19481 Sonoma 1 mi w summit (w side of mt., w of St. Helena); Spring Mountain 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
  JEPS87247  Cordylanthus tenuis subsp. brunneus Jack and Betty Guggolz 1992-7-25 1334 Sonoma 5/8 mi ssw Bradford Mountain (along a dirt road, 4+ mi wsw of Geyserville) 292 Comment
  UCD123130  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-BC238237  Cordylanthus tenuis subsp. capillaris Walter Knight; Irja Knight 1963-8-13 175 Sonoma Harrison Grade, near Occidental at county dump rd. Comment
  JEPS29842  Cordylanthus tenuis subsp. capillaris Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7832 Sonoma ca. 3/4 mi nw Occidental School (nw of garbage disposal area, along Stoetz Lane, 0.5 mi nw of its junction with Harrison Grade road.) 228 Comment
Read comments
Jul 27 2009
  JEPS6806  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1942-7-13 5916 Sonoma 3 mi s Monte Rio Comment
  SD133719  Cordylanthus tenuis subsp. capillaris T. I. Chuang, Fei-Mei Chuang 1970-7-25 6834 Sonoma Stoetz Road, west of harrison grade, 2.7 miles east of Occidental Comment
  UC1094010  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi e Occidental 243 Comment
  CAS-BOT-BC101573  Corethrogyne filaginifolia Mary P. Wells 1982-7-3 s.n. Sonoma Unit 34A, 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
  RSA295092  Cornus glabrata Robert A. Norris, John L. Inase, Allen Nakagawa, B. Norris 1981-6-27 4206 Sonoma Trenton Rd., just S of and Paralleling River Rd. (near N part of Laguna de Santa Rosa), approx. halfway between Guerneville and Santa Rosa. Below 50ft. 15 Comment
  CAS-BOT-BC210432  Cornus sericea Peter Rubtzoff 1958-8-23 3909 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  CAS-BOT-BC210438  Cornus sericea J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield Comment
  CAS-BOT-BC210472  Cornus sericea subsp. occidentalis Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 1 mile north of Freestone Comment
  UC723024  Coronopus didymus C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma below Bodega State Park Comment
  HSC100847  Cortaderia jubata J. P. Smith, J. O. Sawyer, & R. J. Cole 2009-10-11 12695 Sonoma Along Bay Highway (Hwy. 1) in Bodega Bay. 15 Comment
  JEPS58665  Corylus californica W. L. Jepson 1923-7-20 10025 Sonoma Sonoma Canyon Comment
  UCD110060  Corylus cornuta subsp. californica Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1767 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  CDA25350  Cotyledon orbiculata G. D. Bissel 1965-9-22 Sonoma Oscar Miller ranch, west of Petaluma. 0 Comment
  CAS-BOT-BC427643  Crassula aquatica H. K. Wagnon 1989-5-23 1956 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive. Adjacent to Spring Creek diversion channel 67 Comment
  UCD13110  Crassula connata Eileen F. Chun 1974-5-11 78 Sonoma Sonoma CO. Northside of Bodega Head. Sea level. Comment
  CDA4459  Crupina vulgaris L. Sonder 1990-1-25 Sonoma Annadel State Park, Santa Rosa. 0 Comment
  CAS-BOT-BC190109  Crypsis schoenoides G. DeNevers 1981-9-5 1806 Sonoma Pepperwood Ranch. In creek bed north of the aluminum gate dividing Pepperwood and Pippindale. Comment
  SEINET11687825  Crypsis schoenoides W. Knight, Knight, I.; Knight, T. 1986-1 5519 Sonoma Old Adobe Road toward E Washington St, 0.5 mi from the old adobe Comment
  CAS-BOT-BC190183  Crypsis vaginiflora Peter Rubtzoff 1971-9-30 6708 Sonoma Laguna, Chileno Valley. Comment
  UC66152  Cryptantha leiocarpa A. A. Heller 1902-5-27 5615 Sonoma Bodega Bay Comment
  SEINET483798  Cryptantha leiocarpa F. R. Stermitz 1992-4-13 Sonoma Sand dune west of dormitories - Bodegee Bar reserve Comment
  JEPS67871  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma canyon of Santa Rosa Creek Santa Rosa Creek Comment
  RSA178043  Cupressus macnabiana Robert F. Thorne 1965-4-20 34367 Sonoma Head of Hooker Canyon on Cavedale Road, north of Sonoma 610 Comment
  JEPS79415  Cupressus macrocarpa Edward Lee with W. A. Setchell 1936-6-7 2189 Sonoma South ridge Fire Trail Bohemian Grove (Bohemian Grove, lower trees forming a very extensive area) Comment
  RSA17610  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-13 6183 Sonoma 2.8 miles from Camp Meeker on road to Monte Rio 61 Comment
  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
  UC1280915  Cupressus sargentii H. E. McMinn 1936-4-5 4405 Sonoma 2 mi n Occidental Comment
  RSA17611  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-13 6184 Sonoma Coys Ranch, about 2 miles from Occidental 91 Comment
  SEINET11739563  Cupressus sargentii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -241 Sonoma end of Stoetz Road 200 Comment
  UCD125761  Cuscuta californica var. californica Frederica Bowcutt 1997-7-19 2193 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. 0.75 air miles S of Red Mountain, 0.5 miles NNW of confluence of the Malmf., 1.0 air miles WSW of Brushy Peaks. 457 Comment
  RSA120965  Cuscuta campestris Anita Noldeke 1956-7-24 s.n. Sonoma Sebastopol Comment
  UC1042318  Cuscuta obtusiflora var. glandulosa John Thomas Howell 1946-8-17 22851 Sonoma n of Sebastopol; The Laguna Comment
  SEINET12330328  Cuscuta salina W. Knight, Knight, I. 1985-1 5177 Sonoma Lower Tubbs Island about 1/4 mile from San Pablo Bay 0 Comment
  UCD60096  Cynodon dactylon var. hirsutissimus W. A. Harvey; Lloyd Harwood 1955-10-6 s. n. Sonoma F. P. Grace Ranch, 3.5 miles southwest of Healdsburg. Comment
  UCD119156  Cynoglossum grande Botany 102 Students 1993-4-24 86 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. About 2 air miles S of Bald Mtn. Mid slope on Hillside Trail. 411 Comment
  CAS-BOT-BC190427  Cynosurus echinatus John H. Thomas 1976-6-15 18229 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC1146682  Cynosurus echinatus Freed W. Hoffman 1941-6-1 2186 Sonoma Oregon Canyon; North Coast Ranges, Oregon Canyon Comment
  UCR248900  Cynosurus echinatus Peter Rubtzoff 1972-5-25 6765 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC114519  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-1 381 Sonoma Railroad Ave & freeway, Cotati. Comment
  CAS-BOT-BC435187  Cypselea humifusa Peter Rubtzoff 1966-6-26 5764 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC435190  Cypselea humifusa Peter Rubtzoff 1966-8-3 5780 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC70724  Cystopteris fragilis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC70410  Cytisus scoparius Milo S. Baker 1899-5-7 Sonoma near Occidental Comment
  JEPS97535  Dactylis glomerata R. D. Stone 1980-11-29 327 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  CAS-BOT-BC192275  Danthonia californica G. DeNevers; S. Kaza 1981-5-7 969 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  JEPS86300  Danthonia californica Jack and Betty Guggolz 1989-4-29 1002 Sonoma Comment
  UC1131385  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 mi sse Graton; Sebastopol Quadrangle Comment
  UCD60470  Danthonia californica H. S. Yates 1936-5-16 5579 Sonoma 1 mile NE of Graton. 30 Comment
  UCD60471  Danthonia californica R. Tofsrud 1948-6-24 s.n. Sonoma Old cemetery at end of Mcdonald Ave., Santa Rosa. Comment
  UCD60485  Danthonia californica Beecher Crampton 1957-7-22 4385 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD60515  Danthonia californica R. Tofsrud 1948-6-24 s.n. Sonoma Arata Ave. just off Hwy. 101, nort of East Windsor. Comment
  UCD61013  Danthonia californica R. Tofsrud 1948-5-9 Sonoma Old Santa Rosa cemetery, Santa Rosa. Comment
  SEINET3926852  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma About 8.5 miles SE of Geyserville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads.; 0 Comment
  SEINET7096798  Danthonia californica var. californica A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane. Ca. 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  SEINET7042399  Danthonia californica var. californica A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  CAS-BOT-BC154123  Datura Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  JEPS15988  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma Comment
  UCD127386  Daucus carota K. Esau 1935-7-19 s.n. Sonoma Near Petaluma. Comment
  UCD127390  Daucus carota G. F. Hrusa 1998-11-29 14907 Sonoma mowed field across from furthest south residence. Comment
  UCD127395  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC9575  Delphinium bakeri Milo S. Baker 1929-5-3 3429 Sonoma Coleman Valley Comment
  RSA59839  Delphinium decorum E. Armstrong 1931-1 1936 Sonoma Ranch near Santa Rosa Comment
  UC72779  Delphinium decorum subsp. tracyi Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  CAS-BOT-BC10005  Delphinium hesperium Peter Rubtzoff 1974-5-25 7465 Sonoma Highway 116, 2 miles west of Forestville. Comment
  CAS-BOT-BC10007  Delphinium hesperium Alice Eastwood 1916-6-5 4599 Sonoma Petrified Forest on Calistoga Road Comment
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  UC118641  Delphinium nudicaule J. W. Blankinship 1893-4-27 Sonoma Hood Mountain Comment
  UC1299392  Delphinium nudicaule Freed W. Hoffman 1947-4-13 660 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  UCSB31448  Delphinium nudicaule Townsend, J. 1977-5-29 Sonoma West side U.S. 101; 2 miles north of Petaluma Comment
  UC188644  Delphinium patens J. W. Congdon May 1880 Sonoma Petaluma Comment
  CAS-BOT-BC7771  Delphinium variegatum John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54669 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC7772  Delphinium variegatum John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells; Gordon H. True 1981-5-14 s.n. Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mtn. 457 Comment
  CAS-BOT-BC192606  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC192612  Deschampsia cespitosa subsp. holciformis Herbert L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD63753  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC201649  Deschampsia danthonioides W. L. Jepson 1911-4-30 4183 Sonoma Sonoma Valley Comment
  RSA785371  Deschampsia danthonioides Peter Rubtzoff 1971-6-5 6510 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC201965  Deschampsia elongata Peter Rubtzoff 1960-6-7 4457 Sonoma Austin Creek Marsh Comment
  RSA144369  Deschampsia elongata Roxana S. Ferris, Laura Lorraine 1961-6-14 13544 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  RSA784398  Deschampsia elongata Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh. Comment
  UCD63561  Deschampsia elongata Beecher Crampton 1955-6-17 2951 Sonoma 4.5 miles S of Cazadero. Comment
  SEINET3927657  Deschampsia holciformis Fred W. Hoffman 1943-5-9 2204 Sonoma Bodega Park, Sonoma Coast.; 0 Comment
  UCD63895  Desmazeria rigida Leo Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa. Comment
  UC1196305  Dicentra chrysantha Joseph P. Tracy 1935-7-7 14047 Sonoma on road to Geysers from Geyserville 609 Comment
  CAS-BOT-BC208927  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1903-8-1 569 Sonoma The Geysers 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
  CAS-BOT-BC258920  Dichelostemma capitatum Peter Rubtzoff 1963-5-26 5145 Sonoma Bennett Mountain Lake Comment
  UC353870  Dichelostemma capitatum Milo S. Baker 1927-7-3 2288 a Sonoma near Cobb Mt. top; Cobb Mt. Comment
  SEINET8351809  Dichelostemma capitatum L. R. Abrams 1918-4-27 6908 Sonoma Independence School near Healdsburg. Comment
  JEPS128284  Dichelostemma capitatum subsp. capitatum Roger Raiche 2005-4-22 010 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  RSA177950  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1965-4-20 34327 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  JEPS30801  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma five mi n Jenner Comment
  CAS-BOT-BC209113  Digitaria sanguinalis Mary P. Wells 1985-8-19 599 Sonoma Ducker Creek Dike, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC152036  Diplacus aurantiacus L. R. Abrams 1916-7-3 5780 Sonoma Petrified Forest Comment
  CAS-BOT-BC152042  Diplacus aurantiacus Francis W. Pennell 1940-7-2 26033 Sonoma Mountain northeast of Kenwood Springs 274 Comment
  CAS-BOT-BC151881  Diplacus congdonii John Thomas Howell 1937-4-11 12892 Sonoma Triniti Mt. east of Glen Ellen Comment
  CAS-BOT-BC151973  Diplacus douglasii Milo S. Baker 1927-4-12 2072 a Sonoma S.E. slope Hood's Peak 396 Comment
  CAS-BOT-BC151750  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-4-14 5282 Sonoma Near Mark West Springs Comment
  RSA304236  Disporum hookeri var. hookeri James R. Shevock 1971-3-21 815 Sonoma Sugarloaf State Park. 152 Comment
  RSA367635  Disporum smithii Christopher Davidson 1977-6-20 6036 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC320507  Distichlis Peter Rubtzoff 1971-9-2 6683 Sonoma Todd Road 0.8 miles west of Highway 101. Comment
  CAS-BOT-BC196921  Distichlis spicata Walter Knight; Irja Knight 1963-8-13 277 Sonoma Horseshoe Cove Comment
  UCR248899  Distichlis spicata Peter Rubtzoff 1970-5-30 6234 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  RSA17454  Dodecatheon hendersonii Elmer I. Applegate 1934-3-25 8856 Sonoma Sausal Creek, Pine Flat region. Comment
  UC483301  Dodecatheon hendersonii Ira L. Wiggins 1932-3-12 5759 Sonoma between Knight's Valley and Franz Valley; between Knight's Valley and Franz Valley Comment
  HSC17870  Dodecatheon hendersonii F. Demostene 1966-4-2 13 Sonoma 2 mi. E of Healdsburg Comment
  UCD55093  Downingia concolor G. F. Hrusa; R. Gross 1996-6-30 13059 Sonoma At west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  UCR141959  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  UC1244021  Downingia concolor var. concolor John H. Weiler 1960-5-22 60128 Sonoma Schellville, Southern Pacific railroad gradings Schellville Comment
  UCR279855  Downingia concolor var. concolor Peter Rubtzoff 1966-6-5 5752 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 mile from Llano Road 29 Comment
  UC28965  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley Comment
  SEINET6059388  Downingia cuspidata Unknown 1976-6-5 8581 Sonoma False Lake Meadow area. Annadel State Park. Comment
  JEPS103635  Downingia pusilla Lisa Schultheis 1995-5-15 148 -95 Sonoma Santa Rosa. Alton Lane, approximately 0.25 miles W of Fulton Road Comment
  UCD166073  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UCD151171  Draba verna James A. Neilson Jr. 1974-3-27 3020 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  POM179770  Drymocallis glandulosa var. wrangelliana J. T. Howell 1930-6-8 5255 Sonoma 1 mile east of Bodega Bay Comment
  UC567049  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma near Bodega; Sebastopol Quadrangle Comment
  SEINET3859844 Image available Drymocallis wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross.; 0 Comment
  SD95157  Dudleya cymosa Mark Cary 1971-4-22 45 Sonoma Canyon Road, 15 miles west of Geyserville. Comment
  UCD164211  Echinochloa Peter Rubtzoff 1978-9-10 9264 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  UCD167956  Echinochloa James Neilson 1981-7-16 4048 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD148321  Echinochloa crus-galli Peter Rubtzoff 1953-11-1 1430 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD60857  Echinochloa crus-galli Freed W. Hoffman 1941-6-20 2090 Sonoma Oregon Canyon near Camp Meeker. Comment
  RSA800159  Eleocharis Peter Rubtzoff, Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  RSA800160  Eleocharis Peter Rubtzoff, Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC112207  Eleocharis radicans Peter Rubtzoff 1960-6-5 4440 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UCD61840  Elymus glaucus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-19 23 A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR32117  Elymus glaucus David J. Keil 1983-6-30 17211 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC203708  Elymus glaucus subsp. glaucus Milo S. Baker 1945-5-15 10919 Sonoma 4 mi W of Santa Rosa near Wright's School Comment
  CAS-BOT-BC203716  Elymus glaucus subsp. glaucus Greg de Nevers 1990-5-16 9669 A Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. North of the big rocks near the Red Corral 457 Comment
  CAS-BOT-BC203720  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-12 1133 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  UCD62374  Elymus glaucus subsp. glaucus R. Tofsrud 1941-4-1 47 Sonoma Mc Donald Reservoir. Comment
  UC70815  Elymus multisetus Dr. Ed. Palmer 1892-1 2422 Sonoma Petaluma Comment
  UC1011038  Elymus multisetus Virginia Bufford 1936-5-20 317 Sonoma Mark West Road; Napa-Sonoma Co. line Comment
  UC353823  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1928-6-28 3199 C Sonoma Pitkin Marsh Vine Hill Region Comment
  UC584053  Epilobium ciliatum subsp. watsonii J. Clausen 1935-5-24 1082 Sonoma on Bodega Rd 3.7 mi s Jenner (ditches along hwy) Comment
  UCR248931  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh 15 Comment
  CAS-BOT-BC262813  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidental Marsh, (0.6 - 0.7 miles northeast of Occidental, near the road to Graton). Comment
  RSA155508  Epilobium hallianum L. S. Rose 1962-6-1 62060 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  RSA800408  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidental Marsh. Comment
  UCD167358  Epipactis gigantea James Neilson 1982-6-12 4080 Sonoma Mayacmas Mountains. Near Castle Rock Springs Camp. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC164072  Equisetum Peter Rubtzoff 1962-5-25 4846 Sonoma Atascadero Creek Marsh. Comment
  UC1010445  Equisetum arvense Milo S. Baker 1939-4-2 9268 Sonoma stream in front of Mrs. Morton's place Kenwood Comment
  SD64379  Equisetum hyemale subsp. affine Darley F. Howe 1966-6-2 Sonoma west side of Bodega Bay, on peninsula Comment
  UCD67319  Equisetum laevigatum D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. Riparian forests. 400 Comment
  CAS-BOT-BC57641  Equisetum telmateia Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  UCD135599  Equisetum telmateia subsp. braunii Frederica Bowcutt 1997-7-18 2180 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain, West Bear Ck. 365 Comment
  SEINET11614128  Equisetum telmateia subsp. braunii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -149 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  RSA216125  Equisetum telmateia var. braunii Peter Rubtzoff 1954-6-6 1468 Sonoma Guerneville Marsh. Comment
  RSA216112  Equisetum telmateia var. braunii Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh. Comment
  UCR248711  Eragrostis Peter Rubtzoff 1965-8-16 5600 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC204540  Eragrostis curvula Peter Rubtzoff 1971-8-23 6653 Sonoma Meacham Road 0.35 mi. south of Stony Point Road Comment
  CAS-BOT-BC182770  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1963-9-28 5277 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC204642  Eragrostis mexicana subsp. virescens David L. Morgan 1960-6-22 s.n. Sonoma Watkins Ranch, 1/2 mi. NW of Penngrove on Redwood Highway Comment
  HSC9783  Eragrostis mexicana subsp. virescens C. S. Chavez 1965-6-10 86 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  CAS-BOT-BC284186  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1963-9-28 5278 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg, Russian River Comment
  CAS-BOT-BC131610  Ericameria arborescens Walter Knight; Irja Knight 1963-8-23 194 Sonoma Joost Ranch, Calistoga Rd. Comment
  RSA121646  Ericameria arborescens subsp. arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mile SW of Veeder Mt. 610 Comment
  CAS-BOT-BC376240  Erigeron Greg de Nevers 1992-9-1 10248 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UC909710  Erigeron biolettii Milo S. Baker 1950-8-1 12309 Sonoma near Kenwood (at summit above Coleman's Ranch); Hope Val Comment
  UCD131288  Erigeron canadensis Frederica Bowcutt 1995-11-19 2064 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Along Adobe Canyon Road. About 0.5 miles W of kiosk and turn off for campground. About 1 air mile SW of Red Mtn. 304 Comment
  UCR254906  Erigeron inornatus Greg de Nevers 1993-8-7 10480 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC300252  Erigeron reductus var. angustatus Marian L. Campbell 1920-8-1 s.n. Sonoma Monte Rio Comment
  JEPS82248  Erigeron serpentinus Roger Raiche 1983-8-6 30587 Sonoma near seep above Austin Creek (below Laton Mine buildings); the Cedars Comment
  UC2043165  Erigeron serpentinus Barbara Ertter with R. Raiche, J. R. Shevock, R. Bittman, H. Forbes, M. Skinner et al.. 1994-6-23 12851 Sonoma The Cedars serpentine area at head of Big Austin Creek north of Cazadero, ca. 20 air km due W of Healdsburg. Comment
  JEPS78826  Eriodictyon californicum Edward Lee 1936-6-7 2185 Sonoma South ridge Fire Trail Bohemian Grove Comment
  SEINET11933016  Eriogonum compositum Unknown 1983-1 30373 Sonoma S side of Sweetwater Springs Rd, 3.9 mi W on Sweetwater Springs Rd. from its origin at W side hwy 122 Comment
  RSA149622  Eriogonum latifolium George W. Barclay 1839-09 3033 Sonoma Bodegas Comment
  CAS-BOT-BC259263  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma Two miles north of Bodega Bay Comment
  POM225753  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 miles north of Bodega Comment
  SD22292  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259469  Eriogonum luteolum R. F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade road near Occidental Comment
  CAS-BOT-BC259472  Eriogonum luteolum Margaret J. Williams; Wayne Roderick 1978-7-16 78- 228 -2 Sonoma Near Occidental Comment
  JEPS128231  Eriogonum luteolum Roger Raiche 1999-10-9 046 .99 Sonoma The Cedars. Barnes' Blue Spring Complex. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC259478  Eriogonum luteolum John Thomas Howell 1932-9-18 10786 Sonoma Field bordering Sonoma Creek where it enters the level of Sonoma Valley Comment
  CAS-BOT-BC259486  Eriogonum luteolum H. D. Geis 1902-8-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC261686  Eriogonum nudum var. nudum Walter Knight; Irja Knight 1963-9-1 132 Sonoma Sulphur Creek Rd, 1 mi from US 101, Cloverdale Comment
  UC635014  Eriogonum nudum var. oblongifolium H. L. Mason 1928-7-10 4885 Sonoma Jenner Comment
  CAS-BOT-BC253067  Eriogonum roseum Helen D. Geis 1902-1-1 s.n. Sonoma Cloverdale Comment
  UC1520694  Eriogonum ternatum R. Raiche 1985-8-10 50716 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek, near Laton Mine site. 371 Comment
Read comments
Oct 15 2009
  CAS-BOT-BC267867  Eriogonum umbellatum var. bahiiforme F. G. Krauss 1894-5-1 s.n. Sonoma Mts. west of Calistoga Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  SBBG20895  Eriophyllum lanatum A. I. Richardson 1961-5-16 18 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwoods State Park, N of Guerneville Comment
  CAS-BOT-BC301163  Eriophyllum lanatum var. achilleoides L. Beane; Lois E. James 1949-5-11 1939 Sonoma 2 mi. N. of Cloverdale Comment
  CDA4966  Eriophyllum lanatum var. achilleoides T. C. Fuller 1960-6-14 4487 Sonoma Italian Swiss Colony, Asti. 0 Comment
  CAS-BOT-BC301285  Eriophyllum lanatum var. arachnoideum Walter Knight; Irja Knight 1963-10-27 396 Sonoma Spring Mt. Road Comment
  JEPS34506  Eriophyllum lanatum var. arachnoideum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville Comment
  JEPS86743  Eriophyllum lanatum var. arachnoideum Jack and Betty Guggolz 1990-4-30 1040 Sonoma 4 mi w Occidental; Coleman Valley Road 304 Comment
  UC31668  Eriophyllum lanatum var. arachnoideum Harley P. Chandler 1900-5-25 655 Sonoma Bodega Comment
  RSA655455  Eriophyllum staechadifolium Beecher Crampton 1955-6-17 2972 Sonoma State Hwy. 1, 4 miles south of Fort Ross Comment
  UCD131633  Eriophyllum staechadifolium Frederica Bowcutt 1984-6-23 432 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/2 mile. 15 Comment
  UC668048  Erodium botrys Joseph P. Tracy 1933-4-28 12075 Sonoma Knights Valley 182 Comment
  SEINET12183468  Erodium botrys F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -171 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 450 Comment
  UCD103117  Erodium brachycarpum Frederica Bowcutt 1994-6-24 1887 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
  RSA139172  Erodium moschatum A. A. Heller, H. E. Brown 1902-3-26 s.n. Sonoma Santa Rosa Creek. Comment
  RSA178011  Erodium moschatum Robert F. Thorne 1965-4-19 34264 Sonoma Cotati, Waters Ranch 30 Comment
  UC1307395  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1955-4-23 1773 Sonoma Bennett Mt. Lake Comment
  UC1365624  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-4-17 5682 Sonoma e. Graton (between Occidental and Guerneville rds., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  POM259750  Eryngium aristulatum var. aristulatum J. T. Howell 1933-4-1 10927 Sonoma 3 miles northeast of Petaluma Comment
  SD56682  Eryngium armatum Darley F. Howe 1963-7-3 3584 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  SD88504  Eryngium armatum Darley F. Howe 1972-6-27 Sonoma Near Pitkin Marsh. Comment
  SEINET12121701  Eryngium armatum W. Knight, Knight, I. 1984-1 5424 Sonoma Willow Creek "Rd 61 Comment
  UCD38723  Eryngium armatum Beecher Crampton 1957-7-11 4324 Sonoma Sonoma Coast State Park. 0.8 miles north of Salmon Creek. Comment
  UC1931039  Eryngium constancei G. F. Hrusa 1996-10-5 13582 B Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments
Jan 8 2013
  SEINET14046357 Image available Erythranthe guttata Noel H. Holmgren, Liew Fah Seong 1969-1 3606 Sonoma Calif. 1, 7.2 miles north of Marin County line. Comment
  SEINET12049790  Erythronium helenae F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -199 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC402864  Eschscholzia caespitosa Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 3 mi north of Occidental Comment
  CAS-BOT-BC402861  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC403707  Eschscholzia californica W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  UC635624  Euonymus occidentalis var. occidentalis H. L. Mason 1925-11-26 2497 Sonoma stream bank near Monte Rio Comment
  CAS-BOT-BC540818  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road. Comment
  RSA0020337  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 mi east of Guerneville, at 9981 Old River Road. Comment
  CDA33321  Euphorbia oblongata A Smith/ S. Ostrom 2010-4-26 PDR# 1586212 Sonoma Santa Rosa; Empire 1 Nursery, 3747 Guerneville Road. 0 Comment
  CHSC78646  Euphorbia peplus John B. Nelson; R. H. Wnek 2000-3-8 20951 Sonoma the North Coast Range. In flower bed near Safeway grocery, S side of Main St/River Rd (=Hwy 116) in downtown Guerneville. Comment
  SEINET12143865  Euphorbia supina K. Wagnon, Knight, W. 1987-1 6103 Sonoma Spring Lake Village east of Santa Rosa 15 Comment
  CAS-BOT-BC354319  Euthamia occidentalis Peter Rubtzoff 1956-9-15 2916 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC239715  Fabaceae Peter Rubtzoff; Nancy Harrison 1974-5-26 7472 Sonoma Vernal pool on Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC384609  Festuca Greg de Nevers 1989-4-1 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA0062816  Festuca arundinacea Greg de Nevers 1989-04 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCR248730  Festuca arundinacea Peter Rubtzoff 1962-5-5 4807 Sonoma North Coast Range, Fife Creek Marsh Comment
  SEINET10560466  Festuca californica A. Arthur Heller 1902-5-29 Heller 5629 Sonoma Near the summit of Mt. Hood. Comment
  CAS-BOT-BC283185  Festuca californica subsp. californica G. DeNevers 1981-4-27 882 Sonoma West arm of Garrison Canyon, Pepperwood Ranch Comment
  RSA123473  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma Near Bodega Port 8 Comment
  CAS-BOT-BC278393  Festuca elmeri Greg de Nevers 1987-6-1 8187 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC278414  Festuca idahoensis A. A. Heller 1902-5-29 5628 Sonoma Near the summit of Mt. Hood Comment
  CAS-BOT-BC376431  Festuca occidentalis Greg de Nevers 1996-5-29 10823 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen. 400 Comment
  UCR198238  Festuca occidentalis Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .299 Sonoma Bouverie Preserve; east of Hwy 12 near Glen Ellen 110 Comment
  UCR248743  Festuca octoflora Peter Rubtzoff 1976-6-5 8588 Sonoma North Coast Ranges, False Lake Meadow area, Annadel State Park 244 Comment
  UCD66322  Festuca rubra P. B. Kennedy 1918-5-28 Sonoma 8 miles from Santa Rosa, Calistoga, Petrified Forest Road. Comment
  UCD66379  Festuca rubra Mary M. Hektner 1974-7-20 156 Sonoma Near State Highway 1, Sea Ranch, Unit 24 Owners' Map. Comment
  UC1146575  Festuca rubra Freed W. Hoffman 1944-6-8 2031 Sonoma Cruz Ranch North Coast Ranges, Sonoma Coast Comment
  SEINET181249  Filago gallica Bassett Maguire, R Maguire; Maguire 1934-6-7 15312 Sonoma 2 mi N of Kellogg Comment
  UCR5850  Fragaria chiloensis Frank C. Vasek 1966-7-16 660716- 02 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  UCD112792  Frangula californica subsp. tomentella Roger Raiche 1985-11-29 RR 50900 Sonoma northeast end of town of Healdsburg on Reservoir Hill. 121 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
  SBBG33950  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Crk NE of Santa Rosa 121 Comment
  CAS-BOT-BC130180  Fritillaria affinis Milo S. Baker 1934-3-25 7577 Sonoma Pine Flat Comment
  UC75633  Fritillaria affinis Miss Emma Lobenstin 1906-1 Sonoma Valley Ford Comment
  SEINET180533  Fritillaria lanceolata Mrs. E. Tucker 1936-4-5 Sonoma Camp Meeker. Comment
  CAS-BOT-BC130454  Fritillaria purdyi Milo S. Baker 1927-4-22 s.n. Sonoma Mt. St. Helena 853 Comment
  UC480623  Fritillaria recurva Carl Meyer 1928-3-3 321 Sonoma Santa Rosa Comment
  JEPS128248  Galium aparine Roger Raiche 2000-5-28 114 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CDA30960  Galium bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .358 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UCD160758  Galium nuttallii James A. Neilson Jr. 1975-5-23 3219 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCD55328  Galium parisiense Ellen Dean 2006-6-28 3175 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  JEPS19406  Galium porrigens var. porrigens G. Thomas Robbins 1940-3-24 306 Sonoma about 6 mi e Santa Rosa (Calistoga Rd); Rincon Grade 167 Comment
  CHSC30057  Galium porrigens var. tenue Terrence Finn 1980-3-15 16 Sonoma Plant found just under Buzzard Rock. 85 Comment
  UCD121907  Galium porrigens var. tenue Botany 102 Students 1993-5-8 268 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 Trail about 110 ft. above parking lot. About 1 air mile S of Red Mountain, N of Sonoma Creek. Comment
  RSA0009767  Galium triflorum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC303507  Gamochaeta ustulata Walter Knight; Irja Knight 1963-8-13 316 Sonoma Horseshoe Cove Comment
  JEPS20521  Gamochaeta ustulata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 231 Sonoma Guerneville Russian River, Guerneville Comment
  UC1042429  Gamochaeta ustulata Peter Rubtzoff 1951-6-7 137 Sonoma Western branch of Upper Marsh, (near Forestville, in a marshy opening); Pitkin Marsh Comment
  CAS-BOT-BC303496  Gamochaeta ustulata G. DeNevers 1981-5-23 1310 Sonoma Hansel's cow pasture Comment
  RSA790992  Gamochaeta ustulata Peter Rubtzoff 1971-6-5 6519 Sonoma Intermitten lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA790993  Gamochaeta ustulata Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC182166  Garrya fremontii Walter Knight; Irja Knight 1963-9-1 149 Sonoma Pint Mt Rd - NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC278684  Gastridium phleoides G. DeNevers 1981-5-26 1329 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  SEINET11995840  Gaultheria shallon F. H. Utech 1988-1 88 -219 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  CAS-BOT-BC193255  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road 182 Comment
  UC17122  Geranium carolinianum H. N. Bolander 1864-1 3845 Sonoma Cloverdale Comment
  UCD103493  Geranium core-core Frederica Bowcutt 1984-6-23 440 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/2 mile north of Gerstle Cove. 15 Comment
  RSA0028535  Geranium dissectum I. L. Wiggins 1949-4-30 12068 Sonoma 4 miles west of Calistoga. Comment
  SBBG3929  Geranium potentilloides H. and M. Dearing 1939-5-14 3350 Sonoma near coast on Russian River Comment
  CAS-BOT-BC225282  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay Comment
  JEPS30830  Gilia capitata subsp. chamissonis Rimo Bacigalupi and L. R. Heckard 1962-6-19 8586 Sonoma 1/4 mi se Horseshoe Cove (at northeastern base of low hills forming Bodega Head proper); ne base of low hills Bodega Head, se of Horseshoe Cove 12 Comment
  UC931995  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma eleven mi n Bodega (sand dunes near highway 1); n of Bodega Comment
  UC750799  Gilia millefoliata Charles B. Heiser Jr. with J. Davidson 1946-4-14 1734 Sonoma in depression on head Bodega Head Comment
  UCD117852  Gilia millefoliata P. G. Connors 1992-4-28 243 Sonoma Bodega Marine Laboratory, in Old North Dune. Comment
  RSA0006670  Gilia pallida A. A. Heller 1902-6-23 11498 Sonoma Petrified Forest Comment
  UCD117974  Gilia tricolor subsp. tricolor Botany 102 Students 1993-5-8 215 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. Along Meadow Creek. 396 Comment
  UC29077  Githopsis diffusa subsp. robusta Edw. L. Greene 1888-8-30 Sonoma Mt. St. Helena Comment
  RSA436246  Githopsis specularioides P. H. Raven 1965-5-16 20217 Sonoma Near Frantz District School Comment
  CAS-BOT-BC303749  Glebionis segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay Comment
  CAS-BOT-BC435015  Glinus lotoides Peter Rubtzoff 1969-8-24 6146 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  CAS-BOT-BC227640  Glyceria Peter Rubtzoff 1966-4-30 5687 Sonoma North side of Hwy. 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  CAS-BOT-BC283842  Glyceria Paul But 1975-5-18 991 Sonoma W end of Sebastopol city limit, in vernal pool along road to Occidental Comment
  RSA337036  Glyceria declinata Paul But, Peter Rubtzoff 1974-4-6 1005 Sonoma In Kenwood Marsh. Comment
  CAS-BOT-BC282815  Glyceria leptostachya Peter Rubtzoff 1957-5-26 3357 Sonoma Occidental Marsh Comment
  UC15279  Glycyrrhiza lepidota J. Burtt Davy 1896-7-22 4142 Sonoma near Russian River station Comment
  CAS-BOT-BC303865  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca 6 miles E of Guerneville Comment
  CAS-BOT-BC166916  Gnaphalium chilense Peter Rubtzoff 1962-6-21 4936 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CDA13133  Gnaphalium palustre G. F. Hrusa, R. Gross 1996-6-3 13068 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  CAS-BOT-BC302689  Gnaphalium palustre Peter Rubtzoff 1973-10-10 7339 Sonoma 2 miles west of Bloomfield along a tributary of Americano Creek. Comment
  UCD148400  Gnaphalium palustre Peter Rubtzoff 1958-7-19 3766 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC164664  Gnaphalium purpureum Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC261652  Gratiola Peter Rubtzoff; H. A. Froebe 1971-5-30 6495 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD165129  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS87218  Gratiola ebracteata Jack and Betty Guggolz 1992-5-6 1280 Sonoma about 1 1/4 mi nw Windsor 42 Comment
  CAS-BOT-BC251304  Gratiola ebracteata Peter Rubtzoff 1963-6-18 5176 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC305175  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305199  Grindelia hirsutula A. A. Heller 1902-7-8 5810 Sonoma Mark West Creek north of Santa Rosa Comment
  JEPS41905  Grindelia hirsutula R. F. Hoover 1941-6-7 5306 Sonoma Occidental Comment
  SBBG33298  Grindelia hirsutula J. P. Broughton 1969-7-13 1275 Sonoma salt marsh bordering Tomales Bay near Tubbs Island Comment
Read comments
Oct 1 2009
  UC32145  Grindelia hirsutula Willis L. Jepson 1893-9-23 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  UC38767  Hainardia cylindrica A. B. Leckenby July, 1896 Sonoma Petaluma Comment
  UCD85229  Hainardia cylindrica P. G. Connors 1991-6-11 145 Sonoma University of California Bodega Marine Laboratory. Bodega Head. NW corner of Laboratory building. Comment
  SEINET11842303  Haplopappus arborescens W. Knight, Knight, I. 1984-1 5052 Sonoma 2.0 up Cavedale Rd from Hwy 12 [sic] Comment
  UC894090  Harmonia nutans Alice Eastwood 1915-5-1 6842 Sonoma Mt. St. Helena 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-BC306766  Helenium bigelovii Peter Rubtzoff 1951-6-9 155 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  JEPS15040  Helenium puberulum unknown 1877-6-14 Sonoma Guerneville Comment
  RSA800285  Helenium puberulum Peter Rubtzoff 1970-9-3 6373 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC262959  Helenium puberulum Peter Rubtzoff 1979-8-6 9303 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road (between it and a creek) 1.25 - 1.5 miles west of its junction with Franz Valley Road (0.4 miles south of Hwy. 128). Comment
  CAS-BOT-BC314735  Helianthella californica var. californica A. A. Heller; H. E. Brown 1902-3-31 5192 Sonoma Mt. Hood Comment
  CAS-BOT-BC314720  Helianthella californica var. californica C. F. Leitholt 1893-6-1 s.n. Sonoma Bennet Valley Comment
  CDA36608  Helianthemum scoparium T. C. Fuller 1958-5-24 3999 Sonoma Vinehill District. 0 Comment
  CAS-BOT-BC305581  Helianthus bolanderi Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  UC754291  Helianthus bolanderi R. Bacigalupi 1948-3-6 2853 Sonoma The Geysers, just above the resort. Comment
  SEINET13095112  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Bank of Russian river at Healdsburg. Comment
  CAS-BOT-BC305969  Helminthotheca echioides G. DeNevers 1981-6-15 1517 Sonoma Pepperwood Ranch. At the big road cut on Franz Valley Road Comment
  CAS-BOT-BC262968  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  CAS-BOT-BC257144  Hemizonia Peter Rubtzoff 1959-6-13 4115 Sonoma Willow Creek Marsh. Comment
  RSA0056566  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. Comment
  RSA796178  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  RSA800069  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  RSA800073  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. Comment
  UCD166408  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. Comment
  UC75963  Hemizonia citrina Miss M. Alice King 1987-6-1 Sonoma Comment
  UC523520  Hemizonia congesta David D. Keck 1933-11-10 2731 Sonoma 2.3 mi sw Shellville Comment
  CAS-BOT-BC306159  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-26 s.n. Sonoma Foothills E. of Fulton Comment
  CAS-BOT-BC306162  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1933-9-3 33352 Sonoma 4 mi. W. Petrified Forest Comment
  RSA14739  Hemizonia congesta subsp. clevelandii L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  CAS-BOT-BC306179  Hemizonia congesta subsp. congesta 1909-6-20 s.n. Sonoma Fulton Comment
  CAS-BOT-BC306239  Hemizonia congesta subsp. congesta J. McMurphy 1909-8-9 708 Sonoma 1 mile south of Sonoma Comment
  CDA6571  Hemizonia congesta subsp. congesta T. C. Fuller 1958-5-24 4003 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  JEPS27977  Hemizonia congesta subsp. congesta Rimo Bacigalupi, and L. Heckard 1961-6-9 7732 Sonoma 1.7 mi e Tomales Road junction (in field along Petaluma-Valley Ford road) Comment
  CAS-BOT-BC309675  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2649 Sonoma 2.5 mi. N. of Occidental Comment
  CAS-BOT-BC309699  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309716  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC309720  Hemizonia congesta subsp. lutescens David D. Keck; J. Clausen 1935-6-15 3371 Sonoma 1 mile N. of mouth of Salmon Creek Comment
  UC1069547  Hemizonia congesta subsp. lutescens H. S. Yates 1937-5-30 6553 Sonoma 1 1/2 mi e Occidental; Sebastopol Quadrangle 91 Comment
  UC201240  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 Sonoma 8 mi w Petaluma Comment
  UC990603  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-7-10 504 Sonoma 4 mi nw Cloverdale; Boonville Comment
  UCR233074  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges, eastern Petaluma Valley, Manor Lane, 0.5 mi. north of intersection with Old Adobe Rd. 75 Comment
  CAS-BOT-BC309702  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  CAS-BOT-BC309708  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 715 Sonoma 2 miles south of Santa Rosa on road to Petaluma Comment
  UC194216  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-24 10251 Sonoma 12 km on road to San Rafael; Petaluma Comment
  HSC5815  Hemizonia congesta subsp. luzulifolia L. S. Rose 1964-8-26 64064 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  JEPS119464  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12 Comment
  JEPS41000  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 mi ne Penngrove 426 Comment
  UCR233088  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2806 Sonoma North Coast Ranges, Sonoma Valley, Glen Ellen area, entrance road to Sonoma Valley Regional Park, 0.1 mi. west of Hwy 12 110 Comment
  CAS-BOT-BC309942  Hemizonia congesta subsp. luzulifolia Milo S. Baker 1932-8-28 6014 Sonoma M. S. Baker ranch, Adobe Canyon Comment
  CAS-BOT-BC309948  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1966-8-23 9918 Sonoma Mark West Creek, on Santa Rosa-Calistoga road near junction of St. Helena Road Comment
  CAS-BOT-BC309956  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1932-9-18 10784 Sonoma Glen Ellen Comment
  UC32737  Hemizonia congesta subsp. luzulifolia F. T. Bioletti 1892-7-1 Sonoma Chauvert's Comment
  RSA81626  Hemizonia lutescens James I. McMurphy 1909-8-9 710 Sonoma Hills between Sonoma and Petaluma. Comment
  RSA81679  Hemizonia multicaulis subsp. vernalis James I. McMurphy 1909-5-28 s.n. Sonoma About 1 mile W of Santa Rosa. Comment
  CDA38362  Heracleum lanatum T. C. Fuller 1957-9-16 414 -57 Sonoma Jenner. 0 Comment
  CAS-BOT-BC310213  Hesperevax sparsiflora var. sparsiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54004 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  JEPS112828  Hesperevax sparsiflora var. sparsiflora Dean W. Taylor 1994-5-4 14216 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road 249 Comment
  JEPS29497  Hesperevax sparsiflora var. sparsiflora W. L. Jepson 1921-6-3 9306 Sonoma s Santa Rosa (near Wilfred Station, in a flat in the Cotati Valley, on the Northwestern Pacific Ry); Cotati Valley 28 Comment
  UC581115  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8091 Sonoma Jensen's Ranch; Dohrmann Creek Comment
  SD40693  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2.8 miles from Camp Meeker on road to Monte Rio 60 Comment
  UC1212264  Hesperolinon micranthum Helen K. Sharsmith 1947-5-30 3965 Sonoma s slope of mountain near Grant line; Inner North Coast Ranges, Hood Mountain 243 Comment
  POM8863  Hesperolinon micranthum Michener, Bioletti 1893-06 1411 Sonoma Hoods Peak. Comment
  UC66032  Hesperolinon spergulinum A. A. Heller 1902-6-24 5751 Sonoma near Santa Rosa Comment
  UCD167356  Hesperolinon spergulinum James Neilson 1982-6-8 4078 Sonoma Mayacmas Mountains. Just east of Castle Rock near Castle Rock Springs Camp. Comment
  UCR222532  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2010-6-5 16245 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
  UCD102637  Heuchera micrantha Frederica Bowcutt 1996-5-23 2147 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. Toe of Sugarloaf Ridge, just S of campground. Comment
  CAS-BOT-BC424181  Heuchera micrantha var. erubescens Peter Rubtzoff 1954-6-5 1455 Sonoma S of Guerneville (Neely Hill area) Comment
  UC101609  Heuchera pilosissima Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  SEINET12216892  Heuchera pilosissima W. Knight, Knight, I. 1984-1 5292 Sonoma Gualala Pt. State Park Comment
  CAS-BOT-BC319709  Hieracium albiflorum Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  CDA31348  Hieracium albiflorum D. G. Kelch, Ed Biffin 2010-5-3 10 .196 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CDA12021  Hierochloe occidentalis G. F. Hrusa 1990-3-29 7602 Sonoma North Coast Biodiversity Arena; Stewarts Pt. Road approx. 1 m. E of Hwy. 1. Comment
  RSA178030  Hierochloe occidentalis R. F. Thorne 1965-4-19 34316 Sonoma 1/2 mile from Green Valley Road 152 Comment
  CAS-BOT-BC55453  Hirschfeldia incana Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach. Comment
  CAS-BOT-BC55455  Hirschfeldia incana Walter Knight; Irja Knight 1963-9-12 252 Sonoma Petaluma. Magnolia Avenue. Comment
  SEINET10544124 Image available Hoita macrostachya A. Arthur Heller 1902-6-24 Heller 5761 Sonoma Near Burke's Sanitarium. Comment
  NY11970  Hoita villosa A. A. Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  SEINET4461157 Image available Hoita villosa A. A. Heller 1902-1 5761 Sonoma Comment
  CAS-BOT-BC280792  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC280798  Holcus lanatus John H. Thomas 1976-6-16 18342 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC280803  Holcus lanatus Marcus E. Jones 1882-7-18 3546 Sonoma Duncan's Mills Comment
  SEINET10960739  Holcus lanatus A. Arthur Heller 1902-6-7 Heller 5651 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD84957  Holcus lanatus David L. Morgan 1958-8-6 s.n. Sonoma Just SE of Valley Ford city limits. Comment
  RSA790984  Holocarpha virgata subsp. virgata Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol Comment
  UC1084468  Holodiscus discolor G. Thomas Robbins 1937-6-6 233 Sonoma 2-3 mi e of Bodega Bay Comment
  CAS-BOT-BC152389  Holodiscus discolor var. discolor Walter Knight; Irja Knight 1963-8-23 273 Sonoma Joost Ranch, Calistoga Rd., Santa Rosa Comment
  CAS-BOT-BC315813  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  RSA523929  Holozonia filipes R. C. Bacigalupi, Peter Rubtzoff 1976-8-6 s,n, Sonoma Knights Valley. Ffat off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 miles W of its junction with Franz Valley Road. (0.4 mile S of Hwy 128). Comment
  SEINET10933146  Hookera terrestris A. Arthur Heller 1940-5-10 Heller 15602 Sonoma Scattered plants on a grassy slope near the Ocean between Fort Rosa and Stewart's Point. Humid Transition Life Zone. Comment
  SEINET257978 Image available Hordeum brachyantherum Mary E. Barkworth, D Amme 1989-6-15 5174 Sonoma S end of Bodega Head on restored grassland 81 Comment
  CAS-BOT-BC289295  Hordeum brachyantherum subsp. brachyantherum G. DeNevers 1981-5-9 1025 Sonoma At the Red Corral, McCann Homestead, Pepperwood Ranch Comment
  UC1011009  Hordeum brachyantherum subsp. brachyantherum Virginia Bufford 1936-5-1 169 Sonoma Larkspur Rock, Bodega Canyon 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
  UCD38689  Hordeum brachyantherum subsp. californicum Beecher Crampton 1957-5-16 4036 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  CAS-BOT-BC285189  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  UCD85878  Hordeum marinum subsp. gussoneanum David L. Morgan 1956-5-13 s.n. Sonoma 2 miles W of Petaluma on 'I'st. Ext. Comment
  UCD85911  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 miles NW of Graton. 91 Comment
  CAS-BOT-BC280866  Hordeum murinum subsp. leporinum Richard R. Halse 1987-2-22 3375 Sonoma Along State Hwy. 121, .4 miles east of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley 6 Comment
  CAS-BOT-BC146522  Horkelia tenuiloba John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  OBI10083  Horkelia tenuiloba Lauramay T. Dempster 1958-5-24 1106 Sonoma Vine Hill, along road Comment
  UC424851  Horkelia tenuiloba Milo S. Baker 1929-5-7 3457 ba Sonoma near Sebastopol Comment
  UC574867  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 mi n Sebastopol Comment
  UC1299116  Horkelia tenuiloba Freed W. Hoffman 1950-5-27 3593 Sonoma Fred McMurry Ranch on Healdsburg-Guerneville Hwy North Coast Ranges Comment
  UCD106011  Hosackia gracilis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-5 126 Sonoma Unit 35-C Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET957970  Hosackia oblongifolia L. S. Rose 1962-1 62062 Sonoma 1 mi. NW of Freestone. 76 Comment
  RSA0020338  Hypericum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville. Comment
  UCSB4120  Hypericum anagalloides Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; NW of Sebastopol; 1 mi north of Sousa Corners 60 Comment
  UC1299211  Hypericum concinnum Freed W. Hoffman 1947-5-30 525 Sonoma Layton Mine North Coast Ranges, Austin Creek, Layton Mine Comment
  SEINET11987351  Hypericum concinnum W. Knight, Knight, I. 1981-1 Sonoma 4.1 mi up Cavedale Road from jct of state rt. 12 Comment
  CAS-BOT-BC401324  Hypericum scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC312908  Hypochaeris glabra Marcus E. Jones 1931-7-5 29093 Sonoma West of Cloverdale Comment
  CAS-BOT-BC316676  Hypochaeris glabra Peter Rubtzoff 1965-8-29 5628 Sonoma Russian River bottom at Forest Hills 5.5 miles east of Guerneville Comment
  CAS-BOT-BC316682  Hypochaeris glabra John H. Thomas 1976-6-15 18319 Sonoma Southern end of Sea Ranch northeastern part of county about 7 miles south of Gualala 30 Comment
  UCD133363  Hypochaeris glabra Gerry North 1993-4 26 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Pony Gate Gulch Creek by hig rock. 304 Comment
  UC1069664  Hypochaeris radicata H. S. Yates 1934-4-21 3777 Sonoma near Bodega; Sebastopol Quad. Comment
  CAS-BOT-BC316715  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UC909545  Iris douglasiana E. W. Gifford Aug 1950 Sonoma near Stewart's Point (adjacent to coast) 304 Comment
  SDSU11765  Iris douglasiana D. F. Howe 1963-5-23 3533 Sonoma 4.5 miles north of Cloverdale on #128. 366 Comment
  SEINET3875269  Iris douglasiana Janet McIntosh 1966-4-27 24 Sonoma Ca. 1000 feet from shore; State Highway 1, 5 miles North of Jenner, Sonoma County, California.; 0 Comment
  RSA48725  Iris missouriensis Lee W. Lenz 1949-5-2 14428 Sonoma 3 miles from junction of State Highway 12 and road to Calistoga Comment
  JEPS128286  Iris purdyi Roger Raiche 2005-4-9 008 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC376280  Iris xiphium Greg de Nevers No date on label 10726 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UC353915  Isoetes howellii Milo S. Baker 1927-5-8 2131 b Sonoma near summit of Bennett Valley Rd. Comment
  CAS-BOT-BC57736  Isoetes howellii Peter Rubtzoff 1963-6-22 5188 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC61921  Isoetes nuttallii J. Clausen 1935-5-24 1078 Sonoma Adobe Canyon along Sonoma Creek Comment
  CAS-BOT-BC112416  Isolepis carinata Peter Rubtzoff 1963-5-26 5140 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC112562  Isolepis cernua Walter Knight; Irja Knight 1963-8-18 177 Sonoma Horseshoe Cove. Comment
  CAS-BOT-BC112568  Isolepis cernua Peter Rubtzoff 1954-8-3 1635 Sonoma Lower Salmon Creek Marsh. Comment
  RSA298528  Isolepis cernua Robert A. Norris, John L. Inase, Allen Nakagawa, Willie J. Roberts, Michael Kurtz, Nelson R. Powers 1982-8-8 4434 Sonoma Sonoma State Beach, near Goat Rock Picnic Area, across mouth of Russian River from Jenner. Comment
  SD58355  Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Sea-bluffs, just north of Salmon Creek. (IPB 11/07) Comment
  UCD82016  Isolepis levynsiana Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool Plot SRP04. 37 Comment
  CAS-BOT-BC340231  Jaumea carnosa J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC164647  Juncus Peter Rubtzoff 1964-7-29 5457 Sonoma Duncans Mills Marsh. Comment
  RSA790896  Juncus Peter Rubtzoff 1968-6-25 5903 Sonoma Lichan Marsh. Comment
Read comments
Apr 16 2014
  CAS-BOT-BC322124  Juncus arcticus Peter Rubtzoff 1962-5-11 4816 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC164032  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6224 Sonoma Sonoma: Five miles north of Sears Point Comment
  SEINET3877577  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa.; 0 Comment
  UCD141376  Juncus bufonius Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 50 A Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET6877095  Juncus bufonius W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  CAS-BOT-BC182750  Juncus dubius Peter Rubtzoff; Betty Lovell 1975-8-11 8314 Sonoma Kenwood Marsh Comment
  RSA234552  Juncus dubius Peter Rubtzoff 1960-6-9 4490 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UCR279885  Juncus dubius Peter Rubtzoff 1972-6-27 6792 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC164038  Juncus effusus Peter Rubtzoff 1970-8-19 6337 Sonoma Sonoma: Austin Creek bank, 0.5 mi. north of Cazadero Comment
  RSA785889  Juncus effusus Peter Rubtzoff 1964-7-29 5454 Sonoma Duncans Mill Marsh. Comment
  CAS-BOT-BC164052  Juncus effusus subsp. pacificus Peter Rubtzoff 1970-8-19 6338 Sonoma Sonoma: Austin Creek bank, 0.5 mi. north of Cazadero Comment
  UCR244616  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC157985  Juncus effusus subsp. pacificus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichan Road 213 Comment
  CAS-BOT-BC210118  Juncus occidentalis Peter Rubtzoff 1974-6-2 7523 Sonoma Upper Green Valley Marsh Comment
  UC143742  Juncus patens A. A. Heller 1902-6-27 5778 Sonoma w of Windsor (near Russian River) Comment
  UCD141757  Juncus patens Frederica Bowcutt 1996-5-19 2153 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. 1 air mile south of Red Mountain. Near trailhead for Lower Bald Mountain. Above Group campground. 472 Comment
  RSA94456  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-6-10 201 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  UCD161842  Juncus xiphioides James A. Neilson Jr. 1974-7-10 2816 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1027 Comment
  RSA0023016  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC376249  Kochia scoparia Greg de Nevers 1992-8-16 10242 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. At Finnel Cabin 304 Comment
  UC1132153  Koeleria macrantha H. S. Yates 1937-5-3 6561 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  UCD86025  Koeleria macrantha Beecher Crampton 1957-7-22 4396 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. Comment
  UC1019891  Koeleria macrantha Milo S. Baker June 1945 10923 Sonoma opposite house at Maplewood Adobe Canyon Comment
  UCD148410  Lactuca Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  UCD158720  Lactuca serriola Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. At the end of the road leading to headwaters of Big Sulphur Creek. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 975 Comment
  UCD164593  Lagophylla Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  UC1146594  Lagurus ovatus Freed W. Hoffman 1944-6-8 2028 Sonoma Cruz Ranch, on coast Comment
  JEPS86322  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 913 Sonoma about 200 m n and 200 m e Northern Pacific RR crossing (crossing of Starr Road) Comment
  JEPS86323  Lasthenia burkei Jack and Betty Guggolz 1988-4-8 912 Sonoma 100 m w Walzer Road (n side of San Miguel Road) Comment
  UC1594209  Lasthenia burkei L. Huntington 1990-4-4 252 Sonoma 1100' e of sharp bend in Lytton Station Rd.; Lytton area 51 Comment
  JEPS86315  Lasthenia burkei Jack and Betty Guggolz 1988-5-12 933 Sonoma on the n edge Laguna (D. Carinalli property) Comment
  CAS-BOT-BC324405  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  UCD33794  Lasthenia californica subsp. macrantha Beecher Crampton 1973-5-5 8926 Sonoma Sonoma Coast State Park at Carmet. Comment
  CAS-BOT-BC352755  Lasthenia fremontii John Thomas Howell 1943-5-10 17989 Sonoma 1 mile N of Windsor Comment
  UC90040  Lasthenia glaberrima Katharine Brandegee 1905-6-8 Sonoma between Santa Rosa Sevastopol Comment
  CAS-BOT-BC355532  Lasthenia glaberrima Peter Rubtzoff 1969-5-24 6054 Sonoma 6.5 mi. NE of Penngrove, on Lichan Road 426 Comment
  UC2061430  Lasthenia gracilis Rachael L. Olliff Yang 2017-5-2 20 Sonoma Pepperwood Preserve, Double ponds area, about 200 m North of the road. Comment
  POM253184  Lasthenia macrantha subsp. bakeri A. A. Heller 1938-5-14 s.n. Sonoma East of Bodega Bay Comment
  RSA32853  Lasthenia macrantha subsp. bakeri A. A. Heller 1938-5-14 s.n. Sonoma East of Bodega Bay Comment
  UCSC000795  Lasthenia macrantha subsp. bakeri A. A. Heller 1938-5-14 s.n. Sonoma Plentiful on a steep slope just east of Bodega Bay Bodega Bay Comment
  RSA42049  Lasthenia macrantha subsp. macrantha Ella Dales Cantelow 1938-5-7 s.n. Sonoma 2.5 miles N of Bodega Comment
  SD64376  Lasthenia minor Darley F. Howe 1966-6-2 Sonoma Coast, 4.0 miles north of Bodega Bay on Highway 1. Comment
  SD112563  Lasthenia minor subsp. maritima Darley F. Howe 1966-6-2 4259 Sonoma Coast,4.0 miles north of Bodega Bay on Highway 1. Comment
  CAS-BOT-BC164661  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  RSA783476  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area Comment
  UCD166069  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
  CAS-BOT-BC164395  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa. Comment
  UCD55070  Lathyrus sphaericus Ellen Dean; Tammie Beyerl 2006-4-28 3014 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  HSC100959  Lathyrus torreyi Peter Warner, Sarah Gordon 2011-5-16 198 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), Fern Trail along lower to mid-Mill Creek. 273 Comment
  UCR37760  Lathyrus vestitus A. C. Sanders 1985-1-19 5372 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CAS-BOT-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-BC323252  Layia chrysanthemoides John Thomas Howell 1931-4-2 6048 Sonoma Boyes Springs Comment
  CAS-BOT-BC323258  Layia chrysanthemoides Alice Eastwood 1921-5-8 10440 Sonoma Petaluma Comment
  POM361720  Layia chrysanthemoides J. T. Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  JEPS82234  Layia platyglossa Roger Raiche 1983-7-5 30486 Sonoma Horseshoe Pt Comment
  UC572646  Ledum glandulosum G. Thomas Robbins 1937-5-23 203 Sonoma Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh Comment
  CAS-BOT-BC184131  Leersia Peter Rubtzoff 1970-9-2 6358 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC274365  Leersia oryzoides Greg de Nevers 1992-6-26 10191 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. Franz Creek 91 Comment
  CAS-BOT-BC210094  Lemna Peter Rubtzoff 1965-10-10 5653 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC210106  Lemna Peter Rubtzoff 1968-6-25 5910 Sonoma Lichan Marsh. Comment
  UCR254446  Lemna minima Peter Rubtzoff 1961-10-17 4769 Sonoma Cunningham Marsh [near 1460 Big Cedar Lane, Sebastapol, CA] 38 Comment
  CAS-BOT-BC344877  Lemna minor Peter Rubtzoff 1958-8-31 3956 Sonoma Atascadero Creek Marsh. Comment
  UC1019908  Lemna minuscula Peter Rubtzoff 1951-6-17 287 Sonoma Pitkin Marsh near Forestville; Pitkin Marsh Comment
  UCR256959  Lemna minuta Peter Rubtzoff 1962-5-11 4815 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  UCD166177  Lemna valdiviana Peter Rubtzoff 1969-7-5 6105 Sonoma Pond 5.25 mi. NE of Penngrove near Lichau Road. Comment
  UCR256525  Lemna valdiviana Peter Rubtzoff 1958-6-1 3686 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC534883  Lemna valdiviana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5847 Sonoma Llano Road near sewage disiposal plant near bridge on water of Laguna de Santa Rosa Comment
  RSA94305  Leontodon nudicaulis Peter Rubtzoff 1951-7-21 501 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC89148  Lepidium didymum Mary P. Wells 1985-6-3 509 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  POM258953  Lepidium didymum C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC89738  Lepidium latifolium Walter Knight; Irja Knight 1963-8-9 199 Sonoma North side Lakeville Highway at Petaluma Fertilizer office - Petaluma (waif). Comment
  RSA201201  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on hwy to Lakeville. Comment
  CAS-BOT-BC12659  Lepidium nitidum A. A. Heller; H. E. Brown 1902-3-14 5054 Sonoma Near Santa Rosa. Comment
  CHSC57358  Lepidium nitidum Shelly A. Kirn 1991-3-28 2 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  POM182701  Lepidium oxycarpum D. D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  CDA15514  Lepidium strictum Sallee 1999-5-6 PDR 009208 Sonoma North Coast Ranges; Sonoma Co. Ag. Comm. office complex, Santa Rosa. 0 Comment
  RSA262194  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC273994  Leptochloa fusca subsp. fascicularis John Thomas Howell; W. Knight; I. Knight 1988-7-6 s.n. Sonoma Old Redwood Highway & Adobe Road, Penngrove Comment
  SBBG53027  Leptosiphon androsaceus M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site Comment
  RSA6406  Leptosiphon androsaceus Jens Clausen 1933-3-25 733 Sonoma Santa Rosa Creek. 183 Comment
  CAS-BOT-BC376422  Leptosiphon ciliatus Greg de Nevers 1992-6-24 10177 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By the PG&E tower in the saddle. 400 Comment
  CHSC40733  Leptosiphon ciliatus H. N. Bolander 1866-1-1 Sonoma Russian River Valley. Comment
  CAS-BOT-BC226698  Leptosiphon jepsonii Alice Eastwood; John Thomas Howell 1938-5-15 5508 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC376428  Leptosiphon jepsonii Greg de Nevers 1995-6-3 10746 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 Comment
  HSC101103  Leptosiphon parviflorus Peter Warner 2011-4-22 237 Sonoma Pepperwood Preserve, Franz Valley Rd., ~9 mi. N of Santa Rosa; on NW slope of 3 Tree Hill, ~350 m W296 deg. N fr. hilltop at gravel parking area 406 Comment
  CDA39790  Lessingia arachnoidea Peter Warner 2013-8-2 298 Sonoma Bohemian Highway, ~ 3 km north-northwest of Camp Meeker, just south of sharp west bend in road, in roadside turnout above Dutch Bill Creek. Comment
  JEPS20588  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma hills se Santa Rosa Comment
  UCR246786  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa, Annadel State Park 351 Comment
  CAS-BOT-BC283528  Leymus X vancouverensis Alice Eastwood 1915-6-29 4876 Sonoma Bodega Point Comment
  CAS-BOT-BC283531  Leymus X vancouverensis Peter Rubtzoff 1962-10-9 5119 Sonoma Near Highway 1 crossing of Salmon Creek near town of Salmon Creek Comment
  UCD64625  Leymus mollis P. G. Connors 1992-5-7 246 Sonoma near Mussel Point, overlooking Salmon Creek Beach. Comment
  CAS-BOT-BC272175  Leymus triticoides Jos. Burtt Davy 1897-9-18 4037 Sonoma Roadside bank near Petaluma Comment
  CAS-BOT-BC436536  Ligusticum apiifolium Alice Eastwood; John Thomas Howell 1939-6-11 7409 Sonoma Near Triniti P.O., Hood Mt. Range Comment
  UC32501  Ligusticum apiifolium W. C. Blasdale 1894-6-8 Sonoma Kenwood Comment
  CAS-BOT-BC451707  Lilaea scilloides Peter Rubtzoff 1954-8-13 1719 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC130826  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  UCD160808  Lilium pardalinum James A. Neilson Jr. 1975-5-23 3198 Sonoma Mayacmas Mountains. Big Sulphur Creek, Abril property. (Elevation, and coordinates estimated by label maker). 548 Comment
  UCD35883  Limnanthes douglasii Beecher Crampton 1966-5-10 7730 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  RSA155473  Limnanthes douglasii L. S. Rose 1962-6-1 62061 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  UC75635  Limnanthes douglasii subsp. douglasii Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  RSA262357  Limnanthes douglasii subsp. douglasii Lynn Gould 1962-4-20 57 Sonoma 1 mile east of Sonoma. 24 Comment
  UC635629  Limnanthes douglasii subsp. nivea H. L. Mason 1928-4-8 4299 Sonoma near Sebastopol Comment
  JEPS102970  Limnanthes vinculans Ann Howald 1994-4-19 1809 Sonoma Knights Valley, Bavarian Lion Ranch Comment
  JEPS87239  Limnanthes vinculans Jack and Betty Guggolz 1992-4-22 1255 Sonoma se Bloomfield Road (s of Sebastopol) 32 Comment
  CAS-BOT-BC258682  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  SD251298  Limosella Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa, East of Graton, between Occidental and Guerneville roads Comment
  UCD166255  Limosella acaulis Peter Rubtzoff 1970-8-18 6310 Sonoma 5 miles north of Sears Point. 11 Comment
  RSA800892  Limosella acaulis Peter Rubtzoff 1966-4-17 5675 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. 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
  SEINET7042679  Linanthus acicularis A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  SEINET6969971  Linanthus androsaceus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma About 7.8 miles south-southeast of Annapolis. Comment
  UC106672  Linanthus ciliatus Michener and Bioletti 1892-5-20 1542 a Sonoma Hood's Peak Comment
  UC30163  Linanthus dichotomus W. H. Brewer 1862-4-18 969 Sonoma near 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
  SEINET7067243  Linum bienne A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1 and east of Ocean Cove. Coordinate datum: NAD27. Comment
  CDA34809  Linum trigynum Peter Warner 2010-6-16 167 Sonoma Jenner Headlands, Knoll Field, 203 m, S244 deg. W of residence house. Comment
  CAS-BOT-BC437153  Lithophragma heterophyllum J. W. Congdon 1883-4-1 19 Sonoma Petaluma Santa Rosa Comment
  UCD102729  Lithophragma heterophyllum S. P. Lynch 1974-3-14 392 Sonoma 6 mi. W of Callistoga on 128. Comment
  UC38792  Lolium multiflorum A. M. Coomes 1896-6-20 Sonoma Cloverdale Comment
  CAS-BOT-BC283285  Lolium multiflorum John H. Thomas 1976-6-16 18344 Sonoma S part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  SEINET11690140  Lolium multiflorum J. T. Howell, Knight, W.; Knight, I. 1987-1 6310 Sonoma Todd Road Preserve 24 Comment
  SEINET7042400  Lolium multiflorum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  CAS-BOT-BC269193  Lolium temulentum K. Wagnon 1939-4-20 181 Sonoma Across the road from Santa Rosa Country Club, about 5 miles east of Santa Rosa Comment
  CAS-BOT-BC368074  Lomatium caruifolium Greg de Nevers 1998-6-10 11275 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  SEINET12121702  Lomatium dasycarpum W. Knight, Knight, I.; Edwards, S. 1986-1 5371 Sonoma along trail to summit of Geyer Peak, access from Healdsburg-Geysers Rd 856 Comment
  SEINET8465377 Image available Lomatium dasycarpum Lincoln Constance 1953-4-4 Sonoma Mark West road, 1 mile southwest of Petrified Comment
  RSA0051266  Lomatium hallii Greg de Nevers 1993-5-10 10443 Sonoma Harrison Grade. 182 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
  SD241724  Lomatium utriculatum Dean Wm. Taylor 1994-5-4 14213 Sonoma Ca. 2 miles SW of Occidental; at junction of Bittner Road and Joy Road (Camp Meeker 7.5'Q) 249 Comment
  POM132577  Lomatium vaginatum A. A. Heller, H. E. Brown 1902-4-2 5198 Sonoma Hills northeast of Santa Rosa Comment
  UCD137329  Lonicera hispidula Frederica Bowcutt; Jeff Kennedy, Jolie Hendricks 1994-5-1 1748 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; 10 air miles E of Santa Rosa; 18 air miles NW of Napa; 1.5 air miles NE of Kenwood. In Adobe Canyon along Goodspeed Trail approximately 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  CDA11137  Lonicera hispidula var. vacillans G. F. Hrusa, G. L. Stebbins, J. Major 1993-11-12 11548 Sonoma North Coast Biodiversity Arena; Fairfield-Osborne Reserve, 3 mi. E of Cotati. Comment
Read comments
Jul 28 2008
  CAS-BOT-BC244003  Lonicera involucrata var. ledebourii A. A. Heller; H. E. Brown 1902-3-10 5015 Sonoma Hills east of Santa Rosa Comment
  RSA177973  Lonicera involucrata var. ledebourii R. F. Thorne 1965-4-19 34268 Sonoma Halfway between Bloomfield and Valley Ford. 18 Comment
  UCR275253  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rhonert Park, creek bed west of Commerce Blvd. crossing 29 Comment
  CAS-BOT-BC198577  Lotus C. F. L. 1890-7-1 s.n. Sonoma Bennet Valley Comment
  CAS-BOT-BC294700  Lotus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh. Comment
  UCR197883  Lotus angustissimus Beecher Crampton 1946-8-16 417 Sonoma Fort Ross Comment
  CDA31015  Lotus crassifolius D. G. Kelch, Troy McGregor 2010-8-22 10 .346 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC15582  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  RSA155472  Lotus oblongifolius L. S. Rose 1962-6-1 62062 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  CDA31006  Lotus purshianus D. G. Kelch, Troy McGregor 2010-8-22 10 .357 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CDA4158  Lotus tenuis A. C. Browne 1953-5-27 Sonoma Black Point Cut-off. 0 Comment
  RSA138211  Lotus unifoliolatus Volney Rattan 1877-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  UC1714538  Ludwigia palustris Michener and Bioletti 1892-7-24 Sonoma Glen Ellen Comment
  CAS-BOT-BC251285  Ludwigia palustris Peter Rubtzoff 1954-7-17 1551 Sonoma Austin Creek Marsh. Comment
  UCD148388  Ludwigia peploides Peter Rubtzoff 1956-9-11 2844 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC157963  Ludwigia peploides Peter Rubtzoff 1955-8-28 2110 Sonoma Forestville Marsh Comment
  CAS-BOT-BC201295  Lupinus Charles Piper Smith 1946-4-26 46233 Sonoma Highway 1 at Coast Russian River Bridge Comment
  UC1299684  Lupinus adsurgens Freed W. Hoffman 1949-6-5 3218 Sonoma summit of road leading from Lake County to Pine Flat; North Coast Ranges, rd fr Lake County to Pine Flat Comment
  SEINET12164398  Lupinus albifrons F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -104 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  UC157780  Lupinus albifrons H. P. Chandler 1907-4-21 7530 Sonoma road from Glen Ellen to Oakville; rd fr Glen Ellen to Oakville Comment
  CAS-BOT-BC195983  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1938-5-15 5514 Sonoma Near Mark West Springs Comment
  UC127548  Lupinus arboreus Setchell 1900-4-3 3 Sonoma Comment
  UCD106630  Lupinus arboreus P. B. Kennedy 1915-5-28 14 Sonoma Del Mar. Comment
  JEPS128221  Lupinus bicolor Roger Raiche 2000-3-26 011 .00 Sonoma The Cedars. The Quarry. Lower Russian River, Big Austin Creek watershed. Comment
  UCD167410  Lupinus bicolor James Neilson 1977-3-25 3853 Sonoma Mayacmas Mountains, about 3 miles south Pine Flat on Pine Flat Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC413800  Lupinus bicolor J. Penalosa 1961-5-24 1572 Sonoma Slope above Upper Stemple Cr. Marsh Comment
  CAS-BOT-BC187859  Lupinus chamissonis Alice Eastwood; John Thomas Howell 1939-4-2 7375 Sonoma Russian River Canyon, near Monte Rio Comment
  POM66231  Lupinus densiflorus var. densiflorus Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  RSA442341  Lupinus densiflorus var. densiflorus E. A. Purer 1932-7-24 s.n. Sonoma near Bodega bay. Comment
  UCD160313  Lupinus latifolius James A. Neilson Jr. 1975-5-23 3200 Sonoma Big Sulphur Creek, Abril property. ( (Elevation and coordinates estimated by label maker.) 388 Comment
  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
  UCD108128  Lupinus latifolius P. B. Kennedy 1915-5-31 22 Sonoma Annapolis. Comment
  RSA177946  Lupinus latifolius var. latifolius Robert F. Thorne 1965-4-19 34317 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UC479108  Lupinus luteolus Marcus E. Jones, A. M. 1931-7-5 28954 Sonoma The Geysers Comment
  UC424873  Lupinus microcarpus var. densiflorus Milo S. Baker 1930-4-16 4117 a Sonoma on the Lakeport Hiway a few mi e Hopland; e of Hopland Comment
  SDSU5019  Lupinus microcarpus var. microcarpus D. F. Howe 1962-5-24 3317 Sonoma Bodega Bay. Comment
  UC73194  Lupinus nanus Milo S. Baker 1898-4 706 Sonoma hills near Santa Rosa; hills near Santa Rosa Comment
  SEINET10837773  Lupinus nanus subsp. nanus P. Rubtzoff 1974-5-18 Rubtzoff 7411 Sonoma Todd road 1.4 mi from hwy 116 and .6 mi from llano rd. Vernally wet, now Drying meadow. Comment
  SEINET12164400  Lupinus propinquus F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -147 Sonoma between Salmon Creek & Cormet at junction of Coleman Valley Road & CA 1 12 Comment
  CAS-BOT-BC207260  Lupinus sericatus Greg de Nevers 1996-4-19 10794 Sonoma In Devil's Kitchen outcrops on Oak Hill Ranch east of Chalk Mountain, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  JEPS77251  Lupinus succulentus Robert M. Lloyd 1963-4-24 2390 Sonoma on road to Oakdale 1.3 mi from State Highway 12; rd to Oakdale 243 Comment
Read comments
Sep 25 2013
  SEINET11162204  Lupinus tidestromii W. S. Cooper Sonoma Comment
  RSA0036487  Lupinus variicolor Daisie Huang 2006-5-30 06053005 Sonoma Bodega Marine Laboratory. Costal bluff near building (waypt 30B). 1 Comment
  RSA0070026  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  JEPS116509  Lupinus variicolor Peter Warner 2009-6-2 118 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, on N-facing slope about 1.5 km ENE of ranch house and barn 276 Comment
  SEINET5500889 Image available Lupinus variicolor Sally Walker 1984-6-6 Sonoma Salt Point Comment
  CDA12825  Luzula comosa G. F. Hrusa, R. Gross 1996-3-8 12658 Sonoma North Coast Biodiversity Arena; Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  UCD55071  Luzula comosa Ellen Dean; Tammie Beyerl 2006-4-28 3015 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  POM170557  Luzula comosa A. A. Heller, H. E. Brown 1902-3-26 2793 Sonoma Santa Rosa Creek. Comment
  RSA52692  Luzula comosa I. L. Wiggins 1949-4-30 12063 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC441402  Luzula macrantha A. A. Heller; H. E. Brown 1902-3-26 5156 Sonoma Santa Rosa Creek Comment
  RSA0015994  Lythrum hyssopifolia Peter Rubtzoff 1958-7-19 3775 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA0015996  Lythrum hyssopifolia Peter Rubtzoff 1954-8-10 1683 Sonoma Bodega Head Marsh. Comment
  SEINET7042722  Machaeranthera canescens A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  CAS-BOT-BC166707  Madia Peter Rubtzoff 1970-8-19 6329 Sonoma On Austin Creek Beach, 3.5 miles south of Cazadero. Comment
  CAS-BOT-BC227611  Madia Peter Rubtzoff 1971-6-30 6582 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  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-BC344035  Madia elegans James I. McMurphy 1909-7-10 502 Sonoma (Hills near) Cloverdale Comment
  CHSC107497  Madia elegans D. G. Kelch; Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UCR218637  Madia elegans George K. Helmkamp, E. A. Helmkamp 2010-6-4 16229 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
  SD254541  Madia exigua Ann Howald, Christina Freeman 2015-1-1 3414 Sonoma Inner North Coast Ranges: Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails (Kenwood 7.5'Q) 370 Comment
  CAS-BOT-BC166723  Madia gracilis Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC157678  Madia sativa Peter Rubtzoff 1962-8-24 5066 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC345204  Madia sativa John Thomas Howell 1930-6-8 5264 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC345225  Madia sativa David D. Keck; J. Clausen 1935-6-15 3365 a Sonoma 1 mi. N. of Salmon Creek Comment
  CAS-BOT-BC345230  Madia sativa John H. Thomas 1976-6-15 18285 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC345201  Madia sativa Minnette Matthaie 1965-7-1 s.n. Sonoma Near Sonoma on road to Napa Comment
  POM53567  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa. Comment
  CAS-BOT-BC540136  Malus domestica Peter Rubtzoff 1952-5-31 1102 Sonoma Area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  POM59382  Marah fabacea A. A. Heller, H. E. Brown 1902-4-15 5300 Sonoma Santa Rosa Creek Comment
  UCD125013  Marrubium vulgare M. Barbour 1970-11-30 s.n. Sonoma Bodega Marine Station. Comment
  CAS-BOT-BC348222  Matricaria discoidea A. A. Heller; H. E. Brown 1902-6-2 5635 Sonoma Santa Rosa Comment
  CAS-BOT-BC422697  Meconella californica John Thomas Howell 1931-4-18 6409 Sonoma Larkspur Rock, near Bodega Bay Comment
  CAS-BOT-BC262962  Medicago Peter Rubtzoff 1973-8-29 7282 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC268116  Medicago Peter Rubtzoff 1956-9-14 2890 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA54042  Medicago arabica J. T. Howell 1948-4-18 24212 Sonoma Hills east of Agua Caliente. 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
  SEINET10599374  Melica californica A. Arthur Heller Heller 5351 Sonoma Comment
  CAS-BOT-BC281279  Melica geyeri G. DeNevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  UC933821  Melica geyeri Leo Koch 1940-4-22 830 Sonoma ca 0.5 mi from bridge over Little Sulphur Creek towards Mercuryville from the Geysers Mercuryville Comment
  UC971700  Melica geyeri Leo Koch 1940-4-24 843 Sonoma 1 mi n of 2.5 mi jct from Kenwood and Glen Ellen Glen Ellen; Bennett Valley Comment
  UCD87311  Melica geyeri Virginia Bufford 1936-5-19 290 Sonoma Redwood Grove -- 11 mi. from Santa Rosa -- Sonoma Mt. Rd. Comment
  RSA123516  Melica harfordii H. S. Yates 1936-5-16 5615 Sonoma 2 miles northwest of Mountain View School. 76 Comment
  UCD87554  Melica harfordii R. Tofsrud 1947-6-18 190 Sonoma Armstrong Grove. Comment
  SEINET261375 Image available Melica imperfecta P. G. Connors 1990-5-24 15 Sonoma Bodega Head. Bodega Marine Station 1150N 4850E Comment
  CAS-BOT-BC262557  Melica torreyana Alice Eastwood 1922-5-4 11247 Sonoma Calistoga Comment
  HSC10374  Melica torreyana L. S. Rose 1965-4-4 65022 Sonoma 1 mi. N of Sonoma. 61 Comment
  JEPS45821  Melica torreyana Eleanor Armstrong 1932-5-19 164 Sonoma Camp Meeker 106 Comment
  POM204779  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  RSA184996  Melica torreyana L. S. Rose 1965-4-4 s.n. Sonoma 1 mile north of Sonoma. 61 Comment
  UC771211  Melica torreyana W. S. Boyle 1942-4-26 1076 Sonoma between Petrified Forest and Mark West (at junction of side road to Santa Rosa) Comment
  UCD89219  Melica torreyana H. S. Yates 1936-5-16 5616 Sonoma California Forest and Range Experiment Station. 3 miles N.W. of Camp Meeker. 60 Comment
  RSA784569  Melissa Peter Rubtzoff 1973-9-9 7317 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164086  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164362  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  RSA785218  Mentha Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh. Comment
  RSA785671  Mentha Peter Rubtzoff 1960-9-17 4571 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  RSA785664  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  RSA83444  Mentha pulegium F. W. Peirson 1925-8-8 6345 Sonoma 5 miles south of Santa Rosa Comment
  RSA94355  Mentha pulegium Peter Rubtzoff 1951-7-14 458 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  SEINET7952677  Mentha pulegium G. R. Hall 1906-10-14 s.n. Sonoma Guerneville. Comment
  UC187861  Mentha pulegium Edw. L. Greene 1888-8-30 Sonoma above S. Rosa <Santa Rosa?> (<Santa Rosa?>); above S. Rosa <Santa Rosa?> Comment
  RSA784546  Mentha spicata Peter Rubtzoff 1955-8-28 2112 Sonoma Forestville Marsh. Comment
  RSA784550  Mentha spicata Peter Rubtzoff 1961-8-24 4708 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC322615  Micropus amphibolus John Thomas Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC348619  Micropus californicus var. californicus Greg de Nevers; Frank Almeda 1987-4-11 8149 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC348626  Micropus californicus var. californicus David D. Keck 1933-5-28 2325 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  SEINET11601910 Image available Microseris bigelovii P. Kamb, F. Chisaki 1952-6-21 2304 Sonoma Fort Ross Comment
  UC50030  Microseris douglasii subsp. douglasii Edw. L. Greene 1892-4-23 Sonoma Mt. St. Helena Comment
  SEINET7042723  Microseris laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC50058  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma Los Guilicos Comment
  CAS-BOT-BC7490  Microseris obtusata Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC322748  Microseris paludosa Ella Dales Cantelow 1941-4-18 3508 Sonoma 2 miles north of Windsor Comment
  CAS-BOT-BC320496  Mimulus Peter Rubtzoff 1955-8-20 2064 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC311866  Mimulus Peter Rubtzoff 1969-6-14 6073 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  RSA0025403  Mimulus Peter Rubtzoff 1969-5-24 6060 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  JEPS77266  Mimulus arvensis Robert M. Lloyd 1963-4-24 2403 Sonoma 18.3 mi e State Highway 12 (on road to Oakdale) 243 Comment
  UCD161246  Mimulus aurantiacus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3712 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  SEINET12329968  Mimulus aurantiacus F. H. Utech 1986-1 86 -101 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  HSC42330  Mimulus aurantiacus var. aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay 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
  CDA15996  Mimulus cardinalis G. F. Hrusa, M. Gillogly 2000-7-26 15676 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  JEPS86851  Mimulus douglasii David M. Thompson 1989-4-4 995 Sonoma 1.1 mi n Porter Creek Road (along Franz Valley Road) 300 Comment
  POM5118  Mimulus guttatus A. A. Heller 1902-6-11 5687 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  RSA178001  Mimulus guttatus Robert F. Thorne 1965-4-19 34286 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCR248742  Mimulus guttatus Peter Rubtzoff 1974-5-18 7407 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UCR252544  Mimulus guttatus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh 79 Comment
  UCR253011  Mimulus guttatus Peter Rubtzoff 1959-6-20 4170 Sonoma Willow Creek Marsh 9 Comment
  UCR265243  Mimulus guttatus Ann Howald 2015-4-28 3376 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  UCR275267  Mimulus guttatus Peter Rubtzoff 1955-8-20 2081 Sonoma Bodega Harbor Marsh 0 Comment
  RSA94312  Mimulus guttatus Peter Rubtzoff 1951-7-14 420 Sonoma Southern half of Lower Marsh. Comment
  SEINET6986285  Mimulus guttatus A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area 1 mile east of Occidental. Comment
  RSA80677  Mimulus kelloggii E. K. Balls, Lee W. Lenz 1952-5-8 17112 Sonoma 0.4 mi. s. of Franz Valley Road along road from Mark West Springs to Kellogg. 107 Comment
  UC26987  Mimulus microphyllus Michener and Bioletti Apr. 1893 Sonoma Adobe Canyon Comment
  UC8120  Minuartia douglasii Alice King May, 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC388899  Minuartia douglasii Peter Rubtzoff 1957-5-26 3353 Sonoma Hillslope near Occidental-Graton road, 2.7 mi. east of Occidental Comment
  SEINET10869892 Image available Monardella villosa subsp. sheltonii A. Arthur Heller 1902-7-8 Heller 5812 Sonoma Sandy bank of Russian river at Healdsburg Comment
  CAS-BOT-BC314206  Monardella villosa subsp. subserrata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Rd., 18 miles E of Stewart's Point. Comment
  CAS-BOT-BC314163  Monardella villosa subsp. villosa John Thomas Howell 1930-6-8 5283 Sonoma Rocky slope overlooking the ocean, 8.5 miles N of Bodega Bay. Comment
  CAS-BOT-BC314185  Monardella villosa subsp. villosa W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River. Comment
  CAS-BOT-BC220699  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma Youngman Ranch 2 1/2 mi N.E. of Glen Ellen Comment
  CAS-BOT-BC220702  Monardella viridis F. G. Krauss 1894-1-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC444996  Montia fontana Greg de Nevers 1993-3-7 10316 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Double Ponds. 304 Comment
  SD99365  Morella californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. 3.0 miles north of Jenner. Comment
  SBBG128418  Morella californica L. Ahart, M. Anthony, J. Dittes, J. Guardino 2013-4-25 18601 Sonoma near the edge of a residential driveway, 0.7 mi E of Pacific Ocean, 0.8 mi W of Gualala River 111 Comment
  UC572663  Myosotis discolor G. Thomas Robbins 1937-5-23 198 Sonoma Pitkin Marsh Vine Hill Region, Pitkin Marsh Comment
  UCR255876  Myosotis discolor Greg de Nevers 1993-5-17 10454 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  RSA113964  Myosotis discolor Peter Kamb, Francia Chisaki 1950-6-16 1867 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  RSA800350  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC251163  Myriophyllum aquaticum Peter Rubtzoff 1970-8-18 6318 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC258916  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC60519  Nasturtium officinale Peter Rubtzoff 1955-8-20 2087 Sonoma Bodega Harbor Marsh. Comment
  UCD116102  Nasturtium officinale Terri Williamson 1990-5-20 65 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  UCR255655  Navarretia Greg de Nevers 1997-8-17 11075 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  JEPS70255  Navarretia cotulifolia W. L. Jepson 1921-6-3 9307 Sonoma s of Santa Rosa (near Wilfred station); Cotati Valley 28 Comment
  RSA0088471  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek. 151 Comment
  UCR66595  Navarretia cotulifolia F. W. Peirson 1925-8-8 6339 Sonoma 6 mi south of Santa Rosa 38 Comment
  UCD48410  Navarretia intertexta Calvin McMillan Date Unknown 597 Sonoma Sonoma County, Trinity Road, 6 miles northeast Glen Ellen. Comment
  CAS-BOT-BC230370  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1976-6-18 8647 Sonoma False Lake Meadow area, Annadel State Park Comment
  UC631637  Navarretia leucocephala subsp. bakeri G. Thomas Robbins 1937-5-23 186 Sonoma near Wright School Comment
  JEPS70380  Navarretia leucocephala subsp. plieantha Joseph Andorfer Ewan 1935-5-13 9265 Sonoma near Wright School (Sebastopol road) Comment
  CAS-BOT-BC232683  Navarretia pubescens Peter Rubtzoff; H. A. Froebe 1971-5-30 6505 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  POM225971  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 miles N of Bodega. Comment
  UCD160847  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 b 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.) 716 Comment
  HSC13575  Nemophila heterophylla H. E. Parks, S. T. Parks 1930-5-9 611 Sonoma Knights Valley Comment
  UC24176  Nemophila heterophylla H. N. Bolander 1864-4-17 3802 Sonoma Santa Rosa Creek Comment
  UCD119981  Nemophila heterophylla Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1753 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  UCD161317  Nemophila heterophylla James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3703 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101 along the Geysers Road, ca. 1/2 mile north of Big Sulphur Creek; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  UC1057439  Nemophila menziesii G. Thomas Robbins 1937-3-26 42 Sonoma along the Guernville Highway near Village; near Village Comment
  UCSC000578  Nemophila menziesii subsp. atomaria Charisse Bickford 1979-4-13 s.n. Sonoma in wet, rocky soil at roadside near an orchard 4.7 miles east of the junction of Trinity Road with highway 12 Trinity Road, highway 12 671 Comment
  CHSC26441  Nemophila menziesii var. atomaria P. Kunst 1977-4-11 20 Sonoma Moist open area within Redwood Forest. 195 Comment
  UCD120241  Nemophila menziesii var. atomaria Frederic Hrusa 1988-2-21 5501 Sonoma South of Mt. St. Helena. Near Kenwood. Comment
  POM65318  Nemophila menziesii var. menziesii Milo S. Baker 1898-4-8 s.n. Sonoma Healdsburg. Comment
  SEINET9309775  Nemophila parviflora John Nelson, Wnek, Richard 2000-3-7 20937 Sonoma Sonoma Co., CA Comment
  UC58518  Nemophila parviflora A. A. Heller 1903-4-23 6611 Sonoma Fort Ross Comment
  UC25544  Nepeta cataria J. Burtt Davy Jul 1896 4134 Sonoma Russian River Comment
  CAS-BOT-BC164379  Nicotiana Peter Rubtzoff 1974-8-3 7792 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River Comment
  SEINET12327553  Nicotiana acuminata var. multiflora W. Knight, Knight, I.; Edwards, S. W. 1984-1 5043 Sonoma along Willow Creek near Stony Point Rd, between Corona Rd & Old Redwood Hwy 6 Comment
  CAS-BOT-BC400125  Nuphar polysepala Peter Rubtzoff 1964-8-20 5468 Sonoma 1 mi. southeast of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  UC1731298  Orobanche bulbosa Dean W. Taylor 1998-6-22 16680 Sonoma 0.3 mi e along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Creek, Mayacamas Mountains); North Coast Ranges Region, Mayacamas Mountains 792 Comment
  SEINET6171222 Image available Orobanche bulbosa Sally Walker 1984-7-22 Sonoma Schoolhouse beach Comment
  RSA32863  Orthocarpus faucibarbatus var. albidus A. A. Heller 1937-5-1 16176 Sonoma Along State Highway #1, on the bluff at Bodega Bay, south of the Town of Bay. Comment
  RSA144398  Orthocarpus lithospermoides Roxana S. Ferris, Laura Lorraine 1961-6-14 13549 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD127789  Osmorhiza berteroi M. Wiesendanger 1927-5-7 731 Sonoma Kenwood Springs. Comment
  SEINET12121674  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -169 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  UCD110761  Oxalis corniculata Lloyd M. Harwood 1964-4-20 s.n. Sonoma Santa Rosa. Comment
  HSC6144  Packera greenei H. K. Sharsmith 1952-6-18 4127 Sonoma Near junction of Socrates Mine road with Pine Flat-Middle-town road, Mayacamas Mountains 976 Comment
  RSA0000459  Panicularia davyi Jos Burtt Davy 1899-7-21 6005 Sonoma Near Guerneville. Comment
  UC1146583  Panicum acuminatum var. acuminatum Freed W. Hoffman 1943-6-13 2040 Sonoma around hot springs, The Geysers (The Geysers); North Coast Ranges, The Geysers Comment
  UC204227  Panicum acuminatum var. acuminatum Volney Rattan 1877-6-26 Sonoma Geysers Comment
  UCD88406  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4386 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD33493  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD89133  Panicum acuminatum var. thermale Freed W. Hoffman 1943-6-13 2040 Sonoma The Geysers. Comment
  CDA32592  Panicum thermale Beecher Crampton 1964-8-18 7139 f Sonoma NE Sonoma County, The Geysers, 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam well (locally called The Outlaw ) or otherwise thermal no. 10 (Thermal Power co.) Comment
  JEPS128230  Parnassia palustris Roger Raiche 2000-9-9 152 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD88720  Paspalum dilatatum Frederica Bowcutt 1996-5-23 2144 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. Entrance to campground in Adobe Canyon. 350 Comment
  CAS-BOT-BC265688  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC265693  Paspalum distichum Peter Rubtzoff 1958-7-26 3809 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  SEINET10732556  Peniocereus greggii var. transmontanus George Thurber 1851-1 Sonoma Comment
  CAS-BOT-BC258802  Pennisetum clandestinum Peter Rubtzoff 1971-9-30 6717 Sonoma Spring Creek Reservoir area Comment
  CDA14391  Pennisetum clandestinum L. Correia 1996-4-15 Sonoma from vacant lot in San Francisco to be planted at Thornton Ranch, 19600 Brookline, Sonoma. 0 Comment
  RSA247449  Pennisetum glaucum Peter Rubtzoff 1968-9-21 5071 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville Comment
  POM14670  Penstemon heterophyllus subsp. heterophyllus A. A. Heller 1902-6-28 5790 Sonoma Between Knight's Valley and Mark West Springs. Comment
  UC354468  Penstemon heterophyllus var. heterophyllus Milo S. Baker 1904-6-1 Sonoma Sonoma Creek Canyon above Maple Glen; Sonoma Creek Canyon above Maple Glen Comment
  CAS-BOT-BC245716  Penstemon newberryi var. sonomensis Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  UCR222556  Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16241 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC222743  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  UC1518541  Perideridia gairdneri subsp. gairdneri Betty Lovell 1984-7-22 696 Sonoma 1000 ft ne Hwy 12 junc. with Frey Rd. (w of creek); Kenwood quad. Comment
  CAS-BOT-BC413640  Persicaria amphibia Peter Rubtzoff 1971-6-25 6557 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413740  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC419106  Persicaria lapathifolia W. W. Carruth 1900-7-1 s.n. Sonoma Russian River Comment
  CAS-BOT-BC419277  Persicaria maculosa Peter Rubtzoff 1962-10-23 5128 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419417  Persicaria punctata A. A. Heller 1902-8-20 6053 Sonoma At Sebastopol Comment
  UC35655  Petasites frigidus var. palmatus H. N. Bolander 1864-1 3965 Sonoma Geysers Pine Mountain Comment
  CAS-BOT-BC330279  Petasites frigidus var. palmatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crow's Nest Rd and E of Spyglass Lane. The Sea Ranch Comment
  JEPS128247  Phacelia corymbosa Roger Raiche 2000-5-28 116 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  HSC13699  Phacelia distans L. S. Rose 1965-4-4 65021 Sonoma 1 mi. N of Sonoma. 61 Comment
  RSA184835  Phacelia distans L. S. Rose 1965-4-4 65021 Sonoma One mile north of Sonoma. 61 Comment
  UC1041061  Phacelia distans J. W. Congdon April 1880 Sonoma Petaluma Comment
  UC126049  Phacelia distans Katharine Brandegee July 1905 Sonoma Bodega Head Comment
  JEPS83658  Phacelia egena R. Raiche 1987-5-20 70193 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, creek branch referred to locally as Azealea Creak. 280 Comment
  SBBG39553  Phacelia imbricata J. T. Howell 1929-6-9 4305 Sonoma 6.5 miiles from Santa Rosa on rd to Petrified Forest Comment
  UCD120591  Phacelia imbricata John Thomas Howell 1929-6-9 4307 Sonoma On road to Petrified Forest, 7.5 miles from Santa Rosa. Comment
  RSA428197  Phacelia ramosissima var. montereyensis E. A. Purer 1932-7-21 16262 Sonoma Bodega Bay. Comment
  SEINET10824378  Phacelia suaveolens Peter H. Raven 1965-5-16 Raven 20219 Sonoma Burned flats near Frantz District School. Comment
  UCR244624  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC258947  Phalaris aquatica G. DeNevers 1981-5-30 1404 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill Comment
  CAS-BOT-BC258955  Phalaris aquatica Mary P. Wells 1984-5-31 323 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC265916  Phalaris lemmonii Alice Eastwood; John Thomas Howell 1936-5-19 2507 Sonoma 2 miles N of Windsor Comment
  UCR280017  Phalaris lemmonii Peter Rubtzoff 1974-5-11 7406 Sonoma Laguna de Santa Rosa, east of Sebastopol, south of Hwy [12] crossing 20 Comment
  UCD89374  Phalaris paradoxa Beecher Crampton 1957-7-11 4295 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD89315  Phleum alpinum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  UC1299384  Phoradendron densum Freed W. Hoffman 1947-3-9 805 Sonoma n.e. Camp Meeker; North Coast Ranges Comment
  UCD168036  Phoradendron leucarpum subsp. tomentosum James A. Neilson Jr. 1981-3-13 3988 Sonoma Mayacmas Mountains, Caldwell Ranch, 1 mi. west Caldwell Pines. Squaw Creek drainage. Hills 1/4 mi. west old Caldwell Ranch. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC171218  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-9-5 1805 Sonoma Pepperwood Ranch. Near Hansel's Well Comment
  UCD160920  Phragmites australis James A. Neilson Jr. 1975-7-8 3383 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  SEINET5500932 Image available Pickeringia montana Sally Walker 1981-5-13 Sonoma 2 mi E of Occidental Comment
  CAS-BOT-BC202285  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-12-27 475 Sonoma Summit, Pine Flat Rd. Comment
  RSA394828  Pinus muricata var. borealis D. Axelrod 1983-7-7 E- 3 Sonoma Vicinity Salt Point, Sate Highway 1. 76 Comment
  SEINET10794535 Image available Pinus ponderosa var. ponderosa Henry N. Bolander 1864-4-27 Bolander s.n. Sonoma Near the geysers. Comment
  SEINET3874482 Image available Pinus radiata Ralph R. Wilson 1939-7-24 437 Sonoma Near Valley Ford.; 0 Comment
  SEINET5334779  Pinus radiata L. Fallon 1939-1-6 s.n. Sonoma 7 mi. N of Santa Rosa Comment
  RSA785154  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  CAS-BOT-BC157652  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC166947  Plagiobothrys Peter Rubtzoff 1969-6-15 6093 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UC730024  Plagiobothrys Leo F. Koch 1940-4-24 846 Sonoma just n Warfield Station Comment
  UC1277974  Plagiobothrys bracteatus B. Crampton 1957-7-11 4312 Sonoma 1.4 mi se Bodega Bay (ditch along State Hwy 1) Comment
  UC353902  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2143 a Sonoma dry vernal pool along road near summit; Bennett Val. Road Comment
  UC881317  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2141 b Sonoma summit Bennett Val. Road Comment
  UC78077  Plagiobothrys nothofulvus K. Brandegee May 1889 Sonoma Cloverdale Comment
  UC796670  Plagiobothrys nothofulvus Ira L. Wiggins 1949-4-30 12067 Sonoma 4 mi w Calistoga (just w of the county line) Comment
  SEINET3292823 Image available Plagiobothrys scouleri Lewis S. Rose 1933-5-9 33155 Sonoma Bodega Bay Comment
  RSA8527  Plagiobothrys stipitatus J. T. Howell 1933-4-1 10922 Sonoma Petaluma Comment
  UCD121046  Plagiobothrys undulatus Frederica Bowcutt 1984-6-23 443 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/3 mile north of Gerstle Cove. Salt Point State Park. 15 Comment
  RSA783740  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  UCD124491  Plantago erecta Valerie Bullock; Erik Beever, Rimy Waraich, Patti Togioka 1993-5-8 219 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail at base of wooded area. 365 Comment
  UCD124501  Plantago erecta Collector Unknown Date Unknown s.n. Sonoma Exact location unknown. Comment
  UC730039  Plantago lanceolata Leo F. Koch 1940-4-18 790 Sonoma 3 mi from Occidental (to Freestone) Comment
  UCD124576  Plantago lanceolata Chris Bowen 1974-4-7 s.n. Sonoma South of Whalers' Reach and west of Sea Gate Road, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC258381  Plantago subnuda Peter Rubtzoff 1968-7-29 5922 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC258384  Plantago subnuda Peter Rubtzoff 1955-8-6 2022 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC6408  Platystemon californicus Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC92120  Platystemon californicus A. A. Heller; H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  UC118467  Platystemon californicus Alice Eastwood Apr. 1901 Sonoma Bodega Comment
  UCD19909  Platystemon californicus C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1190 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  CAS-BOT-BC376335  Plectritis Greg de Nevers 1997-5-13 10997 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Pepperwood Weimar Pond. 400 Comment
  CHSC22438  Plectritis ciliosa Robert A. Schlising 1962-3-31 2121 Sonoma Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UC28853  Plectritis ciliosa subsp. ciliosa F. T. Bioletti Apr. 1891 Sonoma Sonoma Comment
  POM59709  Plectritis ciliosa subsp. ciliosa A. A. Heller, H. E. Brown 1902-3-24 5139 Sonoma Hills East of Santa Rosa. Comment
  POM253176  Plectritis congesta subsp. nitida A. A. Heller 1938-5-14 15088 Sonoma Just east of Bodega Bay. Comment
  SBBG34041  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UC1132563  Pleuropogon californicus H. S. Yates 1937-6-5 6675 Sonoma near Wildwood 121 Comment
Read comments
Jul 28 2008
  UCR244671  Pleuropogon californicus Peter Rubtzoff 1966-4-30 5686 Sonoma North side of Hwy 116, 0.5 miles northwest of Stony Point Road crossing Comment
  CAS-BOT-BC260924  Pleuropogon californicus Barbara Keller 1990-4-30 2012 Sonoma Coleman Valley Road 6 miles west of Occidental Comment
  CAS-BOT-BC260932  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley Comment
  CAS-BOT-BC260978  Pleuropogon californicus var. californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, 1/2 mi. e. of Cunningham 15 Comment
  CAS-BOT-BC260986  Pleuropogon californicus var. californicus A. A. Heller 1902-4-15 5294 Sonoma Santa Rosa Comment
  CAS-BOT-BC260969  Pleuropogon californicus var. californicus K. Wagnon 1939-5-11 191 Sonoma In sink east of Santa Rosa Fair Grounds Comment
  CAS-BOT-BC260972  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-5-10 3644 Sonoma Laguna de Santa Rosa east of Cunningham near Llamo Road Comment
  RSA155469  Pleuropogon californicus var. californicus L. S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, half mile east of Cunningham. 15 Comment
  UCD90182  Pleuropogon californicus var. californicus R. Tofsrud 1942-4-1 s.n. Sonoma 1/2 mile north of Lewis School, Santa Rosa. Comment
  UCD90234  Pleuropogon californicus var. davyi R. E. Preston 1996-4-22 930 Sonoma ca. 4.3 miles E.S.E. of Hopland. Comment
  RSA336124  Pleuropogon hooverianus Paul But 1977-5-3 P 6 Sonoma 3 miles NE of Penngrove, along Pressley Road Comment
  CAS-BOT-BC368028  Poa Greg de Nevers 1998-6-10 11281 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  RSA0056428  Poa Greg de Nevers 1998-6-10 11281 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UCD92210  Poa Collector Unknown 1942-4-1 383 Sonoma between S. R. and County Farm. Comment
  CAS-BOT-BC255606  Poa annua Greg de Nevers 1981-4-2 612 Sonoma Pepperwood Ranch. Horse Hill mesa 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
  HSC10670  Poa compressa J. V. Lenz 1947-4-19 Sonoma Santa Rosa. Comment
  SEINET10659229  Poa douglasii A. Arthur Heller 1902-5-29 Heller 5187 Sonoma Bodega Bay. Comment
  POM204984  Poa howellii A. H. Heller 1902-3-27 5168 Sonoma Western base of Mt. Hood Comment
  UCD91156  Poa howellii Collector Unknown 1941-4-1 369 Sonoma side road off Trinity Road. Comment
  CAS-BOT-BC255838  Poa kelloggii Mary P. Wells 1985-4-11 467 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC256026  Poa pratensis Catherine Best 1981-6-5 s.n. Sonoma Stoltz Lane about 2 miles N.E. of Occidental Comment
  CAS-BOT-BC244200  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UC573868  Poa trivialis H. S. Yates 1937-5-30 6558 Sonoma 1 1/2 mi n Freestone; Sebastopol Quadrangle Comment
  CAS-BOT-BC311827  Poaceae Peter Rubtzoff 1972-7-22 6833 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC361403  Poaceae Greg de Nevers 1994-3-18 10523 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. By Weimar 457 Comment
  OBI48882  Polygala californica Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Hoods Peak Comment
  HSC27870  Polygala californica Delzie Demaree 1955-6-12 36976 Sonoma Westminster Woods. Comment
  CAS-BOT-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC110532  Polygonum Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC110538  Polygonum Peter Rubtzoff 1986-9-28 9751 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC540806  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7847 Sonoma Kenwood Marsh. Comment
  UCD166217  Polygonum Peter Rubtzoff 1970-5-30 6246 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC164078  Polygonum arenastrum Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC414110  Polygonum aviculare subsp. aviculare Walter Knight; Irja Knight 1963-10-3 346 Sonoma Bennett Valley Comment
  CAS-BOT-BC414119  Polygonum aviculare subsp. aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC414281  Polygonum aviculare subsp. depressum G. DeNevers 1981-7-1 1737 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  CAS-BOT-BC109164  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  CAS-BOT-BC109247  Polygonum paronychia Mrs. H. C. Cantelow 1940-4-20 4190 Sonoma North of Bay. Mouth of Salmon River. Comment
  RSA234570  Polygonum punctatum Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  UCD158838  Polypodium californicum James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2915 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  SEINET11719959  Polypodium californicum W. Knight, Knight, I. 1990-1 6570 Sonoma Armstrong Redwoods State Reserve Comment
  CAS-BOT-BC312688  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0023070  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC233001  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC233196  Polypogon interruptus Peter Rubtzoff 1955-9-10 2142 Sonoma Vacation Creek, near Guerneville, Russian River bottom Comment
  UC1026466  Polypogon interruptus Peter Rubtzoff 1951-7-14 431 Sonoma near Forestville (Pitkin Marsh, southern half Lower Marsh); Pitkin Marsh, Lower Marsh Comment
  UC971701  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma along Highway 101, three mi n Santa Rosa (near pond in hills behind Fountaingrove Vineyard); hills behind Fountaingrove Vineyard Comment
  UCD161307  Polypogon interruptus James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3691 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
  RSA94462  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC233226  Polypogon maritimus Peter Rubtzoff 1960-6-7 4445 Sonoma Austin Creek Marsh Comment
  CAS-BOT-BC237410  Polypogon monspeliensis Peter Rubtzoff 1958-8-9 3854 Sonoma Laguna de Santa Rosa N of Sebastopol (near Occidental Road) Comment
  UC505685  Polypogon monspeliensis C. R. and B. S. Ball 1933-5-30 2510 Sonoma Bodega Bay Comment
  UC50644  Polypogon monspeliensis A. B. Leckenby 1896-6-9 Sonoma Petaluma Comment
  UCD161843  Polypogon monspeliensis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr.) Comment
  UCD91353  Polypogon monspeliensis David L. Morgan 1955-6-27 s.n. Sonoma Porter's Gulch, between Soquel and Aptos. 15 Comment
  UCD91413  Polypogon monspeliensis Terri Williamson 1990-5-24 73 Sonoma Cal-State Hayward Campus, Hayward. 243 Comment
  CAS-BOT-BC237614  Polypogon viridis Peter Rubtzoff 1956-9-11 2849 Sonoma Vacation Beach, Russian River near Guerneville Comment
  CAS-BOT-BC368071  Polystichum californicum Greg de Nevers 1998-5-31 11269 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek. 400 Comment
  JEPS128379  Polystichum californicum Roger Raiche 2000-3-26 005 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET11719958  Polystichum californicum Unknown 1987-1 70019 Sonoma W of Cloverdale, Hot Springs Rd area, Lake Somona near inundation point of Brush Creek 183 Comment
  SEINET11719200  Polystichum dudleyi W. Knight, Knight, I. 1988-1 6261 Sonoma Jrost Ranch, Calistoga Road, on E side between St. Helena Road and Petrified Forest Road 122 Comment
  UCD136561  Polystichum munitum Botany 102 Students 1993-5-8 103 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. Comment
  CAS-BOT-BC102670  Populus fremontii Peter Rubtzoff 1965-8-22 5609 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC376302  Portulacaceae Greg de Nevers 1989-2-1 9036 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  UCR255055  Potamogeton Greg de Nevers 1992-8-16 10246 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  UCD165871  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CDA14199  Potamogeton nodosus G. F. Hrusa, R. Gross 1997-8-31 14092 Sonoma North Coast Biodiversity Arena; Common around edges of pond on Foote Ranch, NW base of Mt. St. Helena. Immed. NE of int. of Hwy. 128 and Ida Clayton Road. Flowering spikes emersed. 106 Comment
  RSA800893  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  UC903040  Potentilla anserina subsp. pacifica Ethel Crum 1930-6-8 742 Sonoma one mi e Bodega Bay (bottom of gulch); e of Bodega Bay Comment
  CAS-BOT-BC141649  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fence of the Camp Ground, ca 1 1/2 mi. west of the town of Cunningham Comment
  CAS-BOT-BC516401  Prosartes hookeri Greg de Nevers 1993-3-24 10330 Sonoma Weimar Canyon, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 304 Comment
  UCD139786  Prosartes hookeri Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1769 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail, ca. 200 yards fro the trail head on Adobe Canyon Road and just E of Bear Creek, ca. 5 yards N of confluence with Sonoma Creek. 198 Comment
  SEINET13947122 Image available Prunella vulgaris A. A. Heller 1902-1 5639 Sonoma Santa Rosa Comment
  CAS-BOT-BC488337  Prunella vulgaris var. lanceolata James A. Neilson, Jr. 1974-7-10 2813 Sonoma Mayacmas Mountains, 1/4 mi S of Geyser Rock, W of Whispering Pines, NE Sonoma Co. 1082 Comment
  UC750811  Prunella vulgaris var. lanceolata Charles B. Heiser Jr. 1946-5-19 1737 Sonoma w Santa Rosa (Vine Hill); Vine Hill Comment
  CAS-BOT-BC159826  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC159844  Prunus cerasifera Greg de Nevers 2002-3-12 12648 Sonoma Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  CAS-BOT-BC159454  Prunus virginiana var. demissa Greg de Nevers 1994-5-19 10522 Sonoma 3450 Franz Valley Road, Franz Valley School Rd., Pepperwood Ranch Natural Preserve 457 Comment
  UCD113518  Prunus virginiana var. demissa Frederica Bowcutt 1996-5-24 2161 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, just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  CAS-BOT-BC356500  Pseudognaphalium beneolens Walter Knight; Irja Knight 1985-9-23 5179 Sonoma Lower Tubbs Island. 1/4 mile from San Pablo Bay 0 Comment
  CAS-BOT-BC361619  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-8-13 311 Sonoma Horseshoe Cove Comment
  SEINET8520575 Image available Pseudotsuga taxifolia L. Fallon 1939-1 s.n. Sonoma 10 miles north of Guerneville. Comment
  UCD166080  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC173828  Psilocarphus Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7401 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC361862  Psilocarphus oregonus Alice Eastwood 1921-4-24 10330 Sonoma Santa Rosa Comment
  SEINET3558501 Image available Psoralea macrostachya Lewis S. Rose 1933-9-3 33358 Sonoma 2 miles west of Petrified Forest. Comment
  SEINET4207978  Psoralea physodes J. O. Sawyer 1977-6-5 2880 Sonoma Canyon Road about 1/2 mile west of US 101 across from Pendrocelli Winery.; 0 Comment
  UCD165172  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  UC125360  Pterostegia drymarioides Katharine Brandegee June 1905 Sonoma Bodega Comment
  UCR254916  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET10479891  Pterostegia drymarioides A. Arthur Heller, H. E. Brown 1902-5-27 Heller s.n. 1902 Sonoma Bodega Bay on Sand Hills. From type station. Comment
  RSA177980  Pteryxia terebinthina var. californica R. F. Thorne 1965-4-19 34306 Sonoma Located on the West-facing serpentine slope in mixed evergreen forest; West of Stoetz Road off of Harrison Grade, 2 miles Northeast of Occidental. 183 Comment
  UC708747  Pteryxia terebinthina var. californica G. L. Stebbins 1946-5-19 3646 Sonoma 3 miles northeast of Occidental. 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
  UCD45320  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham. Comment
  UCD45321  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.: Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham. Comment
  CHSC78080  Quercus agrifolia David Cherrtham 1998-6-26 34 Sonoma I street extension, Petaluma. 42 Comment
  RSA786872  Quercus agrifolia Carrie A. Herd 1982-3-14 21 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UCD67049  Quercus agrifolia G. F. Hrusa; R. Gross 1996-3-31 12741 Sonoma Near residences of Foote Ranch, NE corner of Hwy. 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. 110 Comment
  SEINET12030241  Quercus agrifolia W. Knight, Knight, I. 1984-1 5159 Sonoma Jrost Ranch,Calistoga Road Comment
  UCSB22673  Quercus agrifolia var. agrifolia McCarthy, Sharon 1965-4-16 Sonoma Approximately 0.5 mile north of bridge at Leveroni Rd., Sonoma 25 Comment
  CHSC80756  Quercus chrysolepis Earl L. Core 1952-7-5 Sonoma Mt. St. Helena. Comment
  UC847903  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Sonoma Mount St. Helena Comment
  SACT002627  Quercus chrysolepis M. Wiesendanger 1927-5-5 Sonoma Comment
  SEINET12031414  Quercus chrysolepis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -243 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC86005  Quercus douglasii Peter H. Raven 1955-8-27 8756 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  CAS-BOT-BC86007  Quercus douglasii D. E. Breedlove 1980-6-27 44756 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC79570  Quercus dumosa G. De Nevers 1981-9-5 1822 Sonoma In the W arm of the Garrison Canyon Comment
  CDA21883  Quercus durata D. G. Kelch 2006-10-4 6 .499 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  UCD45936  Quercus durata var. durata Maunsell Van Rensselaer 1941-10-12 s.n. Sonoma Rincon Ridge, Sonoma County, California. Comment
  CAS-BOT-BC94669  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 Comment
  SJSU16081  Quercus garryana Allen W. Jacobs 1935-7-1 5 Sonoma Found on Russian River terrace; across the river from Hilton. Found well up and near the end of the trail above Summer Home park. High up SW facing slope past 2nd road and at end of off wood road at right. Comment
  UC1299700  Quercus garryana Freed W. Hoffman 1946-8-17 799 Sonoma Gilliam Creek, a branch of East Austin Creek North Coast Ranges, East Austin Creek Comment
  RSA786873  Quercus kelloggii Carrie A. Herd 1982-3-14 22 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UC1042508  Quercus kelloggii Peter Rubtzoff 1951-8-18 635 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  CDA23789  Quercus lobata D. G. Kelch 2006-10-4 06 .497-B Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  CAS-BOT-BC376399  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch, south end of valley. 91 Comment
  RSA135409  Ranunculus aquatilis var. hispidulus Volney Rattan 1884-6-10 s.n. Sonoma Box Springs Comment
  CHSC33026  Ranunculus californicus Jane A. Rogers 1979-4-14 6 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. Field. 27 Comment
  RSA534581  Ranunculus californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  POM268390  Ranunculus californicus Lyman Benson 1928-3-28 597 Sonoma Santa Rosa, N coast 91 Comment
  CAS-BOT-BC378694  Ranunculus californicus var. californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC83409  Ranunculus lobbii Peter Rubtzoff 1972-3-31 6721 Sonoma Todd Road 1.4 mile from Highway 116 and 0.6 mile from Llano Road. Comment
  SEINET7067271  Ranunculus macounii A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  UCD96257  Ranunculus muricatus Robert F. Thorne 1965-4-19 34273 Sonoma on Titus Ranch, Valley Ford. 18 Comment
  SEINET12093069  Ranunculus occidentalis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -175 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  RSA268383  Ranunculus occidentalis var. eisenii Lyman Benson 1935-3-31 6405 Sonoma Hwy 101, N Coast, Russian River. 244 Comment
  UC205821  Ranunculus orthorhynchus var. bloomeri A. A. Heller 1902-3-14 5061 Sonoma near Windsor Comment
  UCD81448  Raphanus sativus M. Wiesendanger 1927-5-5 716 Sonoma Sonoma. Comment
  CAS-BOT-BC427547  Reseda luteola G. DeNevers 1981-5-30 1420 Sonoma Pepperwood Ranch. In Garrison yard. Comment
  CDA39791  Rhagadiolus stellatus Peter Warner 2013-4-23 300 Sonoma Near Glen Ellen, Stuart Creek Hill property, ~ 120 m, S 233 deg. W from Highway 12 at Stuart Creek crossing. 0 Comment
  CDA43236  Rhododendron occidentale G. F. Hrusa 1989-5-21 7035 Sonoma Austin Creek State Recreation Area; Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  CAS-BOT-BC227170  Rhododendron occidentale var. occidentale G. F. Hrusa 1988-4-22 5569 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  CDA21375  Rhododendron occidentale var. occidentale G. F. Hrusa, M. Griffiths 1989-6-4 7096 Sonoma North Coast Ranges; Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. Comment
  RSA787919  Rhododendron occidentale var. occidentale G. Fred Hrusa 1989-5-8 6091 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CDA38887  Rhododendron occidentale var. occidentale T. C. Fuller 1958-5-24 3987 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC111870  Rhynchospora alba Peter Rubtzoff 1951-6-16 252 Sonoma Pitkin Marsh: Uppermost part of the western branch of the Upper Marsh Comment
  JEPS83545  Rhynchospora alba Jack and Betty Guggolz 1987-6-9 892 Sonoma wet area at n end Pitkin Marsh (on what has been known as the Wilhoff property, now owned by Barry Samuels) Comment
  RSA94003  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Lower part of Upper Marsh Comment
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111904  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  UC1026382  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  UCD141235  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh, near Forestville. Upper Marsh. Comment
  SEINET4178848 Image available Rhynchospora globularis Unknown 1946-7-4 12882 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA94070  Rhynchospora globularis var. recognita J. T. Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  CAS-BOT-BC111925  Rhynchospora recognita John Thomas Howell 1946-8-17 22863 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC111930  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  UC353918  Ribes californicum Milo S. Baker 1928-2-18 2598 Sonoma nw Co<o?>per's Grove Comment
  CAS-BOT-BC93056  Ribes californicum var. californicum Dorothy Scherer 1996-3-25 021 Sonoma Northeast corner of Park, ca. 500 feet west of Seaview Road, Fort Ross State Historic Park. 451 Comment
  CAS-BOT-BC169267  Ribes divaricatum Lewis S. Rose 1962-4-11 62018 Sonoma Laguna de Santa Rosa 1/2 mi. e of Cunningham 15 Comment
  SEINET13942449 Image available Ribes divaricatum Lewis S. Rose 1962-1 62018 Sonoma Laguna de Santa Rosa, 0.5 mi E of Cunningham, alt ca 50 ft, edge of marsh 15 Comment
  UC75450  Ribes menziesii Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewarts Point (Coast Road) Comment
  UC75453  Ribes roezlii var. cruentum Milo S. Baker 1898-4-4 23 Sonoma Sea View Comment
  UC1182091  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  UC75438  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood (one mile from mouth of Sonoma Canyon); Sonoma Creek Comment
  UC90662  Rigiopappus leptocladus Katharine Brandegee Sonoma Cloverdale Comment
  UC881300  Romanzoffia californica Alice Eastwood 1917-5-13 Sonoma along rd. to Bodega Bay Comment
  CAS-BOT-BC74699  Rorippa curvisiliqua Peter Rubtzoff 1958-8-16 3866 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC74706  Rorippa curvisiliqua Peter Rubtzoff 1965-8-16 5594 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0025116  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC152657  Rosa californica Dorothy Scherer 1997-5-20 119 Sonoma South side of Fort Ross Rd. and east end of Russian Orchard, Fort Ross State Historic Park 106 Comment
  CAS-BOT-BC152677  Rosa californica F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  RSA179774  Rosa eglanteria J. T. Howell 1930-6-8 5234 Sonoma Flat along stream, 4 miles east of Valley Ford Comment
  RSA39874  Rosa eglanteria Philip A. Munz 1947-10-9 12210 Sonoma 2 miles NE of Armstrong Redwoods State Park. 91 Comment
  CAS-BOT-BC146775  Rosa gymnocarpa G. DeNevers 1982-5-18 2034 Sonoma Near Redwoods end at the Redwoods Comment
  RSA96662  Rosa gymnocarpa Percy C. Everett, E. K. Balls 1954-10-20 20373 Sonoma 2 miles S of Lake-Sonoma Co. line. Road from Middletown to Mt. St. Helena. 701 Comment
  CAS-BOT-BC148296  Rosa pinetorum Greg de Nevers 1991-12-18 9839 Sonoma Pepperwood Naturual Preserve, 3450 Franz Valley Road, along Franz Valley Rd. by road cut below Al Cuneo's house. 475 Comment
  CAS-BOT-BC148196  Rosa rubiginosa Mary P. Wells 1985-9-13 653 Sonoma Field on ridge, east of Timber Ridge Road and north of Spring Meadow Road. The Sea Ranch Comment
  CAS-BOT-BC146735  Rosa spithamea Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  JEPS117050  Rotala ramosior Peter Warner 2008-8-26 91 Sonoma Lower Pitkin Marsh, 1 mi SE of Forestville, on Sonoma Land Trust parcel, N of primary stream channel, in small drainage downslope from adjacent, off-site water impoundment (pond). 41 Comment
  CAS-BOT-BC262825  Rubus Peter Rubtzoff 1954-8-11 1691 Sonoma Guerneville Marsh. Comment
  UCR279643  Rubus Peter Rubtzoff 1964-5-20 5306 Sonoma Bodega Bay Marsh 15 Comment
  UCR148005  Rubus discolor Frederica Bowcutt 1994-5-21 1836 Sonoma Coast Range, Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; c. 1.5 air mi N of Kenwood; c. 18 air mi NW of Napa. Hillside trail c. 1 mi past the junction with Digger Pine trail 412 Comment
  RSA800080  Rubus laciniatus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh. Northwestern end of marsh. Comment
  UCD166346  Rubus laciniatus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh. Northwestern end of marsh. Comment
  CAS-BOT-BC147990  Rubus leucodermis J. W. Congdon 1880-5-16 s.n. Sonoma Guerneville Comment
  SD254702  Rubus parviflorus Ann Howald 2015-4-1 3312 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage. 408 Comment
  UCR265116  Rubus parviflorus Ann Howald 2015-4-1 3312 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  UCD113825  Rubus parviflorus Donna Allen 1977-5-29 s.n. Sonoma 20 miles from coast. Comment
  JEPS76920  Rubus spectabilis Robert M. Lloyd 1963-2-24 2058 Sonoma on State Highway 1, 4 mi s State Highway 12 15 Comment
  UC73079  Rubus spectabilis Milo S. Baker 1899-6-26 Sonoma Russian River , at its mouth (at its mouth) Comment
  UCR279611  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC157176  Rubus ursinus Peter Rubtzoff 1951-6-30 290 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC157182  Rubus ursinus Walter Knight; Irja Knight 1964-2-16 810 Sonoma Mill Creek Rd, W. of Healdsburg Comment
  UCD17825  Rubus ursinus H. Olmo 8-10 May 1962 62- 11 Sonoma California. Sonoma County: 3.6 miles south of Stewarts Point. Facing ocean, 0.5 miles inland. Comment
  RSA783795  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh. Area 27. Comment
  CAS-BOT-BC422230  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  SD39769  Rumex berlandieri Edith A. Purer 1932-7-24 4086 Sonoma Bodega Bay, stabilized sand dunes Comment
  UCD101116  Rumex crassus Mary M. Hektner; Cathy Hendel 1974-7-25 169 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC433410  Rumex crispus Mary P. Wells 1984-5-30 317 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC164690  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1479 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC433697  Rumex obtusifolius Peter Rubtzoff 1987-7-18 9799 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
  UCR279630  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC166929  Rumex obtusifolius Peter Rubtzoff 1959-6-20 4167 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC433740  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  UCR244738  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) 30 Comment
  CAS-BOT-BC433851  Rumex pulcher D. E. Breedlove 1980-6-27 44735 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC434141  Rumex transitorius M. S. Baker 1945-8-14 s.n. Sonoma Santa Rosa Junior College, Santa Rosa Comment
  UCD108457  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  CAS-BOT-BC239855  Rytidosperma penicillatum R. E. Frenkel 1964-6-23 623 Sonoma On Seaview Road, 3.1 miles north of Fort Ross Road 396 Comment
  UCD92342  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, coastal meadow behind community center on west side of Hwy 1 north of town. Comment
  RSA658431  Rytidosperma pilosum J. C. Roos 1957-7-2 6651 Sonoma Miller ridge Comment
  UCD98456  Sagina procumbens Wm. E. Maddison 1991-5-9 s.n. Sonoma town of Windsor, 341 Windflower Ct. Comment
  CAS-BOT-BC445688  Sagittaria cuneata Peter Rubtzoff 1955-10-12 2167 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC445693  Sagittaria cuneata Peter Rubtzoff 1961-7-22 4666 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445776  Sagittaria latifolia Peter Rubtzoff 1963-10-9 5296 Sonoma Laguna de Santa Rosa east of Graton. Comment
  RSA227245  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh Comment
  RSA94452  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Eastern branch of the Upper Marsh. The Pitkin Marsh, near Forestville. Comment
  SEINET11933369  Salicornia depressa W. Knight, Knight, I. 1984-1 5083 Sonoma Gilardi's Resort near Lakeville on Petaluma River 3 Comment
  RSA63684  Salicornia maritima Milo S. Baker 1946-1 11661 Sonoma Less than 1 mi. N of junction of Sears Pt. cutoff and Black Point Hwy. Comment
  CAS-BOT-BC290623  Salix Peter Rubtzoff 1971-9-1 6679 Sonoma Spring Creek Reservoir area. Comment
  UCR249074  Salix Peter Rubtzoff 1971-9-1 6679 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  UCR249332  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC103083  Salix bonplandiana Peter Rubtzoff 1966-9-10 5819 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC103092  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  RSA534551  Salix bonplandiana Peter Rubtzoff 1962-5-5 4806 Sonoma Fife Creek Marsh. Comment
  RSA534568  Salix bonplandiana Peter Rubtzoff 1961-8-24 4700 Sonoma Fife Creek Marsh. Along Fife Creek. Comment
  SEINET11998392  Salix bonplandiana W. Knight, Knight, I. 1988-1 6208 Sonoma Hacienda, along Russian River Comment
  UC463100  Salix breweri Milo S. Baker 1931-10-10 5615 Sonoma near confluence with Sonoma Cr. (above Los Guilicos Val.); Fitzsimmons Cr. Comment
  CAS-BOT-BC103944  Salix exigua Peter Rubtzoff 1953-5-16 1358 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC103941  Salix exigua H. K. Wagnon 1988-8-8 1798 Sonoma Confluence of Maacama Crk. and Russian River Comment
  CAS-BOT-BC103841  Salix exigua subsp. melanopsis Peter Rubtzoff 1957-5-26 3372 Sonoma Vacation Beach, near Guerneville; bank of Russian River Comment
  CAS-BOT-BC103844  Salix exigua subsp. melanopsis Peter Rubtzoff 1972-9-8 6883 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River margin Comment
  CAS-BOT-BC290707  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC107753  Salix hindsiana A. A. Heller 1902-4-18 5328 Sonoma Near Windsor on Russian River Comment
  CAS-BOT-BC128065  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC128098  Salix lasiandra var. lasiandra A. A. Heller 1902-3-28 5174 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CHSC116236  Salix lasiandra var. lasiandra Barbara Wilson 3015-09-23 18822 Sonoma 2800 4th St., Santa Rosa. 62 Comment
  CAS-BOT-BC107097  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  UC1042518  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Upper Marsh Pitkin Marsh (lower part, near Forestville) Comment
  UC66159  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  RSA94338  Salix lasiolepis Peter Rubtzoff 1952-3-23 895 Sonoma S of the Upper Marsh. Comment
  CAS-BOT-BC128316  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh Comment
  CAS-BOT-BC128320  Salix lasiolepis var. lasiolepis A. A. Heller 1902-8-23 5097 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  RSA94335  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of the Upper Marsh, in open damp area. Comment
  SJSU178  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian R, Bohemian Grove near Monte Rio Comment
  RSA13573  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Highway. Above Fort Ross. Comment
  UC524787  Salix scouleriana W. A. Setchell 1934-7-10 5 Sonoma Coast Hwy. above Fort Ross Comment
  CAS-BOT-BC128910  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  CAS-BOT-BC128944  Salix sitchensis Peter Rubtzoff 1970-8-25 6345 Sonoma Austin Creek margin 1/2 mile north of Cazadero Comment
  JEPS86742  Salix sitchensis Jack and Betty Guggolz 1990-6-22 1076 Sonoma ca. 12 km. e Healdsburg (next to Redwood Creek just above its confluence with Maacamas Creek); Ferrari-Carano Ranch 73 Comment
  UC453109  Salix sitchensis W. A. Setchell 1931-8-13 23 Sonoma 1 1/2 mi. in from Jenner-by-the-Sea (near Ferry Camp) Comment
  JEPS57130  Salvia sonomensis L. R. Heckard 1967-5-7 1594 Sonoma w of summit of Hood Peak 792 Comment
  JEPS97554  Salvia sonomensis R. D. Stone 1985-3-8 652 Sonoma Near ridgetop W of Stuart Canyon Mt. Veeder (approx. 2.5 airmiles W of) Comment
  CAS-BOT-BC221105  Salvia sonomensis K. J. Murray 1980-4-12 024 Sonoma Franz Valley Rd., 8 mi. NW of Calistoga 609 Comment
  CAS-BOT-BC225215  Salvia sonomensis Wayne Roderick 1967-4-28 s.n. Sonoma Cavedale Road n. of Sonoma 457 Comment
  UCSB15938  Sambucus nigra subsp. caerulea 1962-6-6 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  UCR179376  Sanicula crassicaulis Caitlin Lewis, William Mutch 1993-4-17 s.n. Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco, 11 air mi east of Santa Rosa, and 2.5 mi NE of Kenwood. Adobe Canyon N of Sugarloaf Ridge and south of Red Mountain, near visitor center, along Sonoma Creek 366 Comment
  UC353906  Sanicula laciniata Milo S. Baker 1927-3-27 2031 a Sonoma above House at Maple Glen Comment
  CAS-BOT-BC251245  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 miles east of Guerneville. Comment
  RSA17703  Saxifraga californica Elmer I. Applegate 1934-3-25 8843 Sonoma Sausal Creek on road to Pine Flat. W slope of Mayacama Mountains. Comment
  UC754290  Saxifraga mertensiana R. Bacigalupi 1948-3-6 2584 Sonoma 1 mi w of Skaggs Springs Comment
  CAS-BOT-BC441176  Saxifraga mertensiana Ella Dales Cantelow 1939-4-10 2603 Sonoma 7 mi. e. of Seaview Comment
  CAS-BOT-BC441182  Saxifraga mertensiana D. E. Breedlove 1976-3-27 39450 Sonoma Grassy slope above Dry Creek west of Warm springs dam Comment
  UCR265124  Scandix pecten-veneris Ann Howald 2015-4-1 3322 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  POM161076  Scandix pecten-veneris R. C. Bacigalupi 1926-5-2 1367 Sonoma Cazadero. Comment
  CAS-BOT-BC283145  Schedonorus arundinaceus Mary P. Wells 1984-5-7 259 Sonoma By guest parking lot, Friends House, Rincon Valley, Santa Rosa Comment
  UCD161272  Schoenoplectus acutus var. occidentalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3686 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC111801  Schoenoplectus pungens var. badius Peter Rubtzoff 1963-8-17 5233 Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC111804  Schoenoplectus pungens var. badius Peter Rubtzoff 1964-8-20 5471 A Sonoma Near pond 1 mi. SE of Jenner (near junction of Highways 1 and 12). Comment
  UCR249061  Scirpus maritimus Peter Rubtzoff 1954-8-6 2021 Sonoma Bodega Harbor Marsh 0 Comment
  UC70382  Scoliopus bigelovii Milo S. Baker 1898-4-3 Sonoma near Guerneville Comment
  SEINET12051402  Scoliopus bigelovii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -224 Sonoma ca 0.15 mi SE from East Avenue jct with Bohemian Rd on latter enroute to Occidental from Camp Meeker 140 Comment
  CAS-BOT-BC240035  Scribneria bolanderi John Thomas Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente Comment
  SEINET12332455  Scrophularia californica F. H. Utech 1988-1 88 -224 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  UC112913  Scutellaria californica Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UCD125503  Scutellaria californica Frederica Bowcutt 1994-6-25 1904 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. Meadow Trail at Gray Pine Trailhead. Comment
  RSA0074764  Sedum spathulifolium Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  RSA683758  Selaginella bigelovii June N. Ackley 1937-02 424 Sonoma Bridgehaven, western edge of Colorado Desert. 427 Comment
Read comments
Apr 9 2013
  CAS-BOT-BC62198  Selaginella wallacei J. Clausen 1935-5-24 1080 Sonoma Adobe Canyon along Sonoma Creek Comment
  CDA42468  Selaginella wallacei T. C. Fuller 1958-5-24 4016 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  CAS-BOT-BC363276  Senecio aronicoides Alice Eastwood 1918-5-1 6868 Sonoma Mt. St. Helena Comment
  UC566633  Senecio glomeratus H. L. Mason 1928-7-10 4884 Sonoma Jenner Comment
  JEPS77268  Senecio sylvaticus Robert M. Lloyd 1963-4-24 2404 Sonoma 18.9 mi e State Highway 12 (on road to Oakdale) Comment
  JEPS128269  Senecio vulgaris Roger Raiche 2000-4-8 025 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET9327115  Senecio vulgaris John Nelson, Wnek, Richard 2000-3-7 20942 Sonoma On open gravelly ground next to driveway at Fern Grove Cottages; W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  CAS-BOT-BC376434  Setaria Greg de Nevers 1996-9-22 10877 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 400 Comment
  CAS-BOT-BC243604  Setaria parviflora Peter Rubtzoff 1971-9-2 6685 Sonoma Todd Road near Stony Point Road Comment
  CDA31043  Setaria pumila D. G. Kelch, Troy McGregor 2010-8-22 10 .337 Sonoma Geyser Peak Rd. Comment
  UCD92851  Setaria viridis Freed W. Hoffman 1941-7-3 2221 Sonoma Near Guerneville. Comment
  JEPS50082  Sidalcea diploscypha D. Patchett 1917-5-15 Sonoma Edenrille Ranch Comment
  RSA253002  Sidalcea diploscypha A. A. Heller 1937-5-9 15337 Sonoma Roadside bank in clay soil between Hopland and Mountain House. Comment
  UC1299201  Sidalcea diploscypha Freed W. Hoffman 1950-5-27 3592 Sonoma on Healdsburg-Guerneville Highway North Coast Ranges, Roy Litton Ranch (Roy Litton Ranch) Comment
  RSA87995  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19584 Sonoma 1 mile N. of Ft Ross. Comment
  UCD116801  Sidalcea malviflora Marla A. Shapiro 1976-5-29 420 Sonoma 5 miles north of Bodega Bay on Highway 1 at Coleman Beach. Comment
  SD64375  Sidalcea malviflora subsp. purpurea Darley F. Howe 2 Jun 4260 Sonoma Coast, 3.0 miles north of Bodega Bay. Comment
  SDSU8176  Sidalcea malviflora subsp. purpurea D. F. Howe 1966-6-2 4260 Sonoma Coast 3 miles north of Bodega Bay Comment
  CAS-BOT-BC213173  Sidalcea oregana subsp. valida Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7813 Sonoma Kenwood Marsh Comment
  RSA87253  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 s.n. Sonoma Kenwood Marsh about 1/4 mile west of Kenwood Comment
  SEINET3228072  Sidalcea oregana subsp. valida John Thomas Howell 1932-1 Sonoma Comment
  CAS-BOT-BC361292  Silene Greg de Nevers 1993-5-16 10449 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Devil's Kitchen east of 3865 Franz Valley Road 457 Comment
  CAS-BOT-BC311803  Silene Peter Rubtzoff 1974-5-19 7444 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads, near the end of Hall Road. Comment
  CAS-BOT-BC392491  Silene gallica John H. Thomas 1976-6-16 18229 A Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC392494  Silene gallica G. DeNevers 1981-5-30 1340 Sonoma Pepperwood Ranch; In creekbed N of Hansel's corral. Comment
  SEINET11935225  Silene gallica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -234 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 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
  UC905113  Silene multinervia Milo S. Baker 1947-4-22 11689 Sonoma near Kenwood (on Macartney Ranch); w slope Hood Mt., near Kenwood, Macartney Ranch 182 Comment
  RSA0056440  Silene multinervia Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road. 152 Comment
  OBI32715  Simmondsia chinensis David J. Keil 1983-1-5 16618 Sonoma N of Guaymas along coast just S of Catch 22 airfield at Playa de los Algodones Comment
  UCD160117  Sisyrinchium James A. Neilson Jr. 1973-6-3 3040 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
  CHSC34405  Sisyrinchium bellum Jeffrey D. Prouty 1979-4-11 216 Sonoma CA. 7 mi. n of Santa Rosa. Mark West Springs Road, ca. 300 yards n of juct. with Michelle Way. 137 Comment
  SD130399  Sisyrinchium bellum F. Almeda, G. DeNevers 1981-3-30 4885 Sonoma Pepperwood Ranch, summit and east-facing slope of Three Tree Hill. Grassy slopes with scattered oaks. Comment
  UCD138873  Sisyrinchium bellum Valerie Bullock; Waraich and Togioka 1993-5-8 244 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
  UC1032494  Sisyrinchium californicum H. S. Yates 1936-5-16 5587 Sonoma 2 mi se of Forestville 30 Comment
  RSA94316  Sisyrinchium californicum Peter Rubtzoff 1951-6-7 135 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC164417  Solanum Peter Rubtzoff 1965-8-22 5612 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164687  Solanum Peter Rubtzoff 1951-8-5 594 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  UCR279642  Solanum americanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa east of Graton 23 Comment
  CAS-BOT-BC83501  Solanum lycopersicum G. DeNevers 1992-10-15 10250 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 304 Comment
  CAS-BOT-BC361298  Solanum rostratum Greg de Nevers 1997-5-17 11002 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, on Oak Hill Ranch 457 Comment
  CAS-BOT-BC365587  Solidago elongata John Thomas Howell 1946-8-17 22867 Sonoma Cunningham Marsh Comment
  UC1613315  Solidago velutina subsp. californica Charles M. Belshaw 1936-9-18 2670 Sonoma Mt. St. Helena Comment
  UC485623  Solidago velutina subsp. californica Miss C. M. Huak August 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC365966  Soliva sessilis Milo S. Baker 1927-4-15 2066 a Sonoma Near Kenwood. Hillside above House of Maple Glen Comment
  CAS-BOT-BC374744  Sonchus oleraceus D. E. Breedlove 1983-5-9 58696 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC236587  Sorghum halepense Mary P. Wells 1984-5-21 264 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC236590  Sorghum halepense Peter Rubtzoff 1962-9-16 5093 Sonoma Vacation Beach, 1.5 mi. below Guerneville, damp bottom of Russian River Comment
  UCD92976  Spartina foliosa Beecher Crampton 1958-12-30 5140 Sonoma 10 miles west of city of Vallejo, along Sonoma Creek, north shore of San Pablo Bay. Comment
  SEINET12165196  Spartium junceum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -202 Sonoma "The Geysers", ca 14 mi ESE of Preston and US 101 on Geysers Rd 800 Comment
  RSA800207  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  CHSC12161  Spergula arvensis subsp. arvensis J. Grove 1973-4-15 80 Sonoma Collected 5.5 mi nw of Petaluma. 38 Comment
  CAS-BOT-BC471243  Spergularia Peter Rubtzoff 1971-8-9 6632 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC390516  Spergularia macrotheca var. macrotheca Alice Eastwood 1915-6-29 4796 Sonoma Bodega Point Comment
  CAS-BOT-BC320523  Spergularia rubra Peter Rubtzoff 1974-7-29 7789 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC390728  Spergularia rubra Alice Eastwood; John Thomas Howell 1936-5-19 2497 Sonoma Santa Rosa Comment
  CAS-BOT-BC390731  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53938 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC390734  Spergularia rubra G. DeNevers 1981-6-4 1432 Sonoma Pepperwood Ranch. In Garrison yard Comment
  SEINET11933368  Spergularia villosa W. Knight, Knight, I. 1984-1 5085 Sonoma near Gilardi's Resort, near Lakeville along Petaluma River Comment
  UCR254753  Spiranthes porrifolia Peter Rubtzoff 1969-6-27 6103 Sonoma 6.5 miles NE of Penngrove on Lichau Road 427 Comment
  UCR255517  Spiranthes porrifolia Peter Rubtzoff 1971-6-23 6547 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 229 Comment
  CAS-BOT-BC500700  Stachys Peter Rubtzoff 1962-6-13 4910 Sonoma Freestone Marsh Comment
  CAS-BOT-BC502052  Stachys Peter Rubtzoff 1963-8-17 5231 Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC502058  Stachys Peter Rubtzoff 1971-7-23 6609 Sonoma Laguna, Chileno Valley Comment
  SEINET13948161 Image available Stachys Joseph Andorfer Ewan 1935-1 9226 Sonoma 1.5 mi W of Bodega on Bodega Bay road Comment
  UCLA71586  Stachys ajugoides var. ajugoides John Thomas Howell 1930-6-8 5228 Sonoma 4 mi e Valley Ford (Bodega Road) Comment
  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
  UCD126055  Stachys rigida var. quercetorum Cynthia Hodges 1982-4-8 10 Sonoma 10 miles south of Healdsburg on Chalk Hill Road. 38 Comment
  CAS-BOT-BC251218  Stellaria media Peter Rubtzoff 1954-9-6 1736 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC376297  Stephanomeria Greg de Nevers 1992-8-9 10241 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Valley Road 304 Comment
  UC1394178  Stephanomeria elata L. D. Gottlieb 1966-8-5 66115 Sonoma 0.5 mi e junction with Cavedale Road (on Triniti Road) 548 Comment
  HSC13351  Stipa lepida J. V. Lenz 1947-4-20 Sonoma CA 1 at Russian River. Comment
  CAS-BOT-BC5658  Stipa setigera A. A. Heller 1902-4-9 5252 Sonoma 3 miles S of Healdsburg Comment
  UCD167361  Streptanthus James A. Neilson Jr. 1979-6-26 3976 Sonoma Mayacmas Mountans. About 2 1/2 miles northwest of Socrates Mine, 1/4 mile south of highest knoll above the Geysers on ridge that divides Big and Little Sulphur Creeks. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR274968  Streptanthus Jack and Betty Guggolz 2000-8-7 1644 Sonoma long-abandoned mining road east of the Crystal Mine 730 Comment
  CAS-BOT-BC61147  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  JEPS46127  Streptanthus barbiger Eleanor Armstrong 1932-5-29 500 Sonoma 2 mi n Camp Meeker 121 Comment
  UC956502  Streptanthus barbiger Freed W. Hoffman 1947-5-30 1032 Sonoma Layton Mine North Coast Ranges, Main Austin Creek Comment
  UCD164201  Streptanthus brachiatus N. Ivalu Cacho; Sharon Y. Strauss, Anna O'Brien 2011-8-18 IC-SS 274 Sonoma Pine Flat Road, at the top. Comment
  UCD168162  Streptanthus brachiatus James Neilson 1977-3-28 3856 Sonoma Mayacmas Mountains, Location 8, US Geothermal 1. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR67076  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  UC10874  Streptanthus glandulosus subsp. glandulosus F. T. Bioletti 1892-5-1 Sonoma Hood's Peak Comment
  UC72933  Streptanthus glandulosus subsp. glandulosus Milo S. Baker 1898-6-12 646 Sonoma Geyer Road Geyser Canyon Comment
  UC956574  Streptanthus glandulosus subsp. glandulosus Freed W. Hoffman 1949-6-5 2902 Sonoma along ridge top above Pine Flat (near Contact Mine); North Coast Ranges 960 Comment
  UC1492789  Streptanthus glandulosus subsp. hoffmanii Freed W. Hoffman June 1950 3368 Sonoma roadside <from> Cazadero to Trospers Resort; North Coast Ranges Comment
  JEPS83703  Streptanthus glandulosus subsp. secundus R. Raiche 1987-6-21 70333 Sonoma nr Red Slide Falls (n of Cazadero); Red Slide Crk., The Cedars 304 Comment
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Oct 22 2013
  UC1492791  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-16 2346 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  UC985960  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-7-29 1063 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1 mi nw of Guerneville) Comment
  UC985961  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-7-30 1064 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Quicksilver Mine Comment
  UC1292749  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-25 2909 Sonoma Hart Hill gate on road from Cazadero along Morhardt Ridge to Happy Hills Farm North Coast Ranges 441 Comment
  CAS-BOT-BC87298  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC87294  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1134 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  JEPS82296  Streptanthus morrisonii Roger Raiche 1983-7-4 30472 Sonoma above Gilliam Creek; East Austin Creek State Recreational Area, Morrison Ridge 304 Comment
  UC1292737  Streptanthus morrisonii Freed W. Hoffman 1947-6-4 1029 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UCD167021  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UCD168052  Streptanthus morrisonii James Neilson 1981-5-15 4031 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (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
  UC956605  Streptanthus tortuosus Freed W. Hoffman 1948-9-19 2374 Sonoma n-s ridge on Big Geysers rd from Healdsburg about 1 mi w The Geysers; North Coast Ranges Comment
  CAS-BOT-BC258037  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  UCD166329  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC540812  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC97816  Symphyotrichum chilense Peter Rubtzoff 1958-8-9 3826 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC97826  Symphyotrichum chilense J. W. Congdon 1880-9-12 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC97831  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-3 246 Sonoma Wiggins Hill Comment
  CAS-BOT-BC98572  Symphyotrichum lentum John Thomas Howell 1932-9-18 10783 Sonoma Along Sonoma Creek on Lower Road to Glen Ellen 3 miles from Kenwood Comment
  UC1084375  Taraxacum officinale G. Thomas Robbins 1937-3-27 48 Sonoma Santa Rosa Comment
  CAS-BOT-BC376984  Taraxacum officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53962 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CHSC63920  Taraxia ovata John Hale 1990-4-10 17 Sonoma 610 m. N. of Stillwater Cove. Meadow. 24 Comment
  UCD107009  Taraxia ovata W. P. Hackett 1960-4-10 16 Sonoma 0.9 mile on a gravel road from the intersection of Summerfield Road and Montgomery Drive on the outskirts of Santa Rosa. Comment
  RSA789623  Taxus brevifolia var. polychaeta Richard W. Spjut, Peter Baye 2010-6-21 16710 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  CAS-BOT-BC262979  Thermopsis Peter Rubtzoff 1965-5-8 5527 Sonoma Atascadero Creek Marsh. Comment
  CDA27876  Thermopsis californica var. californica T. C. Fuller 1958-5-24 3993 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC66818  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-3-21 5114 Sonoma Hills southeast of Santa Rosa. Comment
  CAS-BOT-BC66828  Thysanocarpus curvipes D. E. Breedlove 1983-4-11 58693 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  UC857532  Thysanocarpus curvipes L. Koch 1938-3-24 65 Sonoma near Kenwood (Los Alamos Canyon (near the quarry)); Los Alamos Canyon, near Kenwood Comment
  CAS-BOT-BC66814  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  CAS-BOT-BC66824  Thysanocarpus curvipes Elmer I. Applegate 1934-3-25 8847 Sonoma West slope of Mayacama Mountains. Comment
  CAS-BOT-BC67339  Thysanocarpus radians Karl H. Rechinger 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  UCD116048  Thysanocarpus radians M. Wiesendanger 1927-5-5 715 Sonoma Sonoma. Comment
  UC1101052  Tofieldia occidentalis subsp. occidentalis Herbert L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UC27666  Tonella tenella Alice King Apr 1897 Sonoma Healdsburg Comment
  UCR256117  Torilis arvensis Greg de Nevers 1996-6-3 10825 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC81457  Torreya californica James McMurphy 1909-5-29 s.n. Sonoma Grade between Geyser Mountain and Black Mountain Comment
  RSA789605  Torreya californica Richard W. Spjut, Peter Baye 2010-6-21 16713 Sonoma Fuller Creek near junction with High-Low Road and South Branch Road, east of Annapolis Road. 91 Comment
  UC1090390  Torreya californica Milo S. Baker 1957-5-10 13097 Sonoma Junior College Campus North Coast Ranges, Santa Rosa Comment
  UCD93180  Torreyochloa pallida var. pauciflora P. G. Connors 1991-6-25 177 Sonoma Bodega Marine Laboratory. In Clark Marsh. Comment
  UCR265093  Toxicoscordion fontanum Ann Howald, Christina Freeman 2015-4-13 3341 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, south shore, c. 300 feet north of intersection Pig Flat and Marsh trails 363 Comment
  CAS-BOT-BC377109  Tragopogon porrifolius G. DeNevers 1981-5-2 919 Sonoma Pepperwood Ranch. At the National Ice Co., Santa Rosa. Also at River Road x 101 Comment
  CAS-BOT-BC257700  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC1191804  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 mi E of Occidental Comment
  UCLA54892  Trichostema laxum Marcus E. Jones 1931-7-5 Sonoma The Geysers Comment
  UC496403  Trientalis latifolia Merle Randall 1930-6-11 Sonoma near Cazadero Comment
  RSA784985  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173627  Trifolium Peter Rubtzoff 1974-5-18 7427 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  POM316686  Trifolium Patricia Wilder 1965-6-10 3650 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  RSA784996  Trifolium Peter Rubtzoff 1974-5-26 7495 Sonoma Todd road 1.5 mi from Hwy and 0.5 mi from W of Llano Road Comment
  UCSB50221  Trifolium albopurpureum Gray, John 1976-5-1 Sonoma Bluff above Carmert State Beach; T6N R11W 15 Comment
  OBI12720  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  OBI12721  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  UC58376  Trifolium barbigerum A. A. Heller 1903-4-23 6609 Sonoma Fort Ross Comment
  UC1784221  Trifolium barbigerum Milo S. Baker Apr 1932 5913 Sonoma Highway south of Stewart's Point Comment
  CAS-BOT-BC368054  Trifolium bifidum var. bifidum Greg de Nevers 1998-5-12 11251 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1541604  Trifolium bifidum var. bifidum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  UC165624  Trifolium bifidum var. decipiens Milo S. Baker 1898-5-7 641 Sonoma Glenn Ellen Comment
  UCSC008685  Trifolium buckwestiorum Randall Morgan 2008-6-4 4896 Sonoma Near Santa Rosa 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
  JEPS2903 Image available Trifolium columbinum var. argillorum W. L. Jepson 1893-5-3 13740 Sonoma Mt. St. Helena grade Napa River Basin; Napa River Basin, Mt. St. Helena grade Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  SEINET7075559  Trifolium depauperatum var. depauperatum A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UC16467  Trifolium depauperatum var. depauperatum Michener and Bioletti 1892-5-1 Sonoma Schellville Comment
  UCD165169  Trifolium depauperatum var. depauperatum Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. 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
  POM68425  Trifolium dichotomum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCR255728  Trifolium fragiferum Greg de Nevers 1995-7-19 10761 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  POM21433  Trifolium gracilentum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-9 5242 Sonoma Three Miles South of Healdsburg. Comment
  UCD165150  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7428 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD166120  Trifolium hybridum Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  UCSC009060  Trifolium hydrophilum Randall Morgan 1995-5-25 2743 Sonoma Viansa Vineyard Comment
  CAS-BOT-BC368051  Trifolium microcephalum Greg de Nevers 1998-5-12 11248 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD111372  Trifolium microcephalum P. G. Connors 1995-6-2 347 Sonoma Near old Gaffney ranch house site, near BML housing. Comment
  JEPS81175  Trifolium microdon Edward Lee with W. A. Setchell 1936-6-7 2181 Sonoma at upper limit and just above Redwood forest (Bohemian Grove) Comment
  UC631590  Trifolium microdon P. B. Kennedy 1915-5-31 Sonoma along trails; Del Mar Comment
  UC866892  Trifolium microdon A. A. Heller 1902-6-2 Sonoma Santa Rosa Comment
  UCD109175  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  OBI70565  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd 518 Comment
  UCD150135  Trifolium variegatum Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  UCSC005256  Trifolium variegatum Randall Morgan 1995-5-18 2618 Sonoma Santa Rosa, Vernal field at Stony Point Road (Across from Yuba Drive) Comment
  UCSC006256  Trifolium variegatum Randall Morgan 1995-6-8 2753 Sonoma Petaluma, Field opposite Lincoln School on Wilson Hill Rd. near Petaluma Rd. Comment
  UC494185  Trifolium variegatum var. variegatum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  UCD33092  Trifolium willdenovii Beecher Crampton 1966-5-10 7722 Sonoma Sonoma County, ca. 2 miles west of Fulton along River Road. Comment
  UCD139897  Trillium albidum M. Wiesendanger 1927-5-5 272 Sonoma Kenwood Springs. Comment
  POM169931  Trillium chloropetalum var. chloropetalum A. A. Heller, H. E. Brown 1902-3-12 3175 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  CHSC57521  Triphysaria eriantha subsp. rosea John Hale 1990-4-10 18 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  JEPS3418  Triphysaria eriantha subsp. rosea Eleanor Armstrong 1933-4-15 775 Sonoma Bodega Bay; near ocean 6 Comment
  CAS-BOT-BC376400  Triphysaria pusilla Greg de Nevers 1996-5-3 10796 C Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Trail to Franz Creek from Murry Gate. 400 Comment
  JEPS19396  Triphysaria versicolor subsp. faucibarbata G. Thomas Robbins 1938-4-15 262 Sonoma along road to Graton 6-7 mi w Santa Rosa Comment
  JEPS73311  Triphysaria versicolor subsp. faucibarbata Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 750 Sonoma 1 mi w of Two Rock Junction Comment
  UC1334870  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-5-4 468 Sonoma 0.1 mi w of junction of Petaluma-Valley Ford road with Tomales-Petaluma road Comment
  UC1334875  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-24 432 Sonoma on State Highway #128, 15 mi nw Calistoga Comment
  UC27201  Triphysaria versicolor subsp. faucibarbata Edw. L. Greene 1892-4-23 Sonoma Knight's Valley Comment
  UCD161348  Triphysaria versicolor subsp. faucibarbata James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3708 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/4 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  SBBG68603  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1920-5-9 631 Sonoma Knights Valley Comment
  UC1334867  Triphysaria versicolor subsp. versicolor L. D. Thurman 1964-5-11 517 Sonoma on State Hwy #1, 10 mi n Ft. Ross; n of Ft. Ross Comment
  CAS-BOT-BC200095  Trisetum canescens P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar Comment
  UCR280141  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 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-BC522369  Triteleia hyacinthina H. C. Cantelow 1935-4-14 751 Sonoma Unspecified Comment
  CAS-BOT-BC522372  Triteleia hyacinthina G. DeNevers 1981-5-23 1257 Sonoma Serpentine road cut at bottom of Franz Valley Road; Pepperwood Ranch Comment
  CAS-BOT-BC527041  Triteleia laxa L. R. Abrams 1920-7-9 7636 Sonoma Stewarts Point Comment
  CAS-BOT-BC527044  Triteleia laxa John Thomas Howell 1930-6-8 5259 Sonoma 1 mile east of Bodega Bay Comment
  RSA70138  Triteleia laxa F. W. Peirson, Mabel Peirson 1926-4-1 6547 Sonoma 6 miles south of Cloverdale. Comment
  SEINET7042391  Triteleia laxa A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD139377  Triteleia laxa Frederica Bowcutt 1994-6-12 1863 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC527965  Triteleia peduncularis Greg de Nevers 1987-5-11 s. n. Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC527971  Triteleia peduncularis Peter Rubtzoff; R. Bacigalupi 1971-6-10 6526 Sonoma Grassy flat on South side of W. Railroad Ave. between Fwy. 101 and Stony Point Rd. Comment
  POM222729  Triteleia peduncularis J. T. Howell 1935-5-5 12606 Sonoma Low field near Kenwood. Comment
  UC335173  Tropidocarpum gracile Hy. Edwards Apr 1877 139 Sonoma Skaggs Spr. 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
  CAS-BOT-BC361283  Turritis glabra Greg de Nevers 1997-4-22 10952 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Above Bechtel House 400 Comment
  CAS-BOT-BC74111  Turritis glabra D. E. Breedlove 1983-4-11 58678 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  RSA540096  Typha angustifolia Peter Rubtzoff 1971-7-9 6592 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC208025  Ulex europaeus A. A. Heller; H. E. Brown 1902-3-22 5126 Sonoma Among redwood trees West of Sebastopol Comment
  RSA187426  Ulex europaeus John H. Thomas 1966-3-22 11543 Sonoma In the vicinity of Bodega Comment
  CDA15846  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11462 Sonoma Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway. 518 Comment
  OBI13414  Umbellularia californica Robert F. Hoover 1968-2-23 10894 Sonoma Graton-Occidental road Comment
  CAS-BOT-BC403987  Urtica dioica subsp. gracilis Lewis S. Rose 1964-6-3 64056 Sonoma N. end of Bodega Bay 1 Comment
  CAS-BOT-BC403990  Urtica dioica subsp. gracilis Dennis W. Woodland 1969-8-5 1311 Sonoma At junction of highway 116 and 1 Comment
  CAS-BOT-BC404237  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-7-27 1584 Sonoma Guerneville Marsh Comment
  UCD111550  Urtica dioica subsp. holosericea Frederica Bowcutt 1994-6-24 1901 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. Sonoma Creek, Gray Pine Trail between Vista Trail and Meadow Trail. 408 Comment
  UCD118075  Vaccinium ovatum Beecher Crampton 1955-6-17 2980 Sonoma Sonoma County, 0.5 mile north of Camp Meeker. Comment
  CAS-BOT-BC76164  Vancouveria planipetala J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero. Comment
  CAS-BOT-BC135771  Veratrum fimbriatum Catherine Best 1981-8-22 s.n. Sonoma On Green Hill Road 3 miles easterly, airline, from Occidental Comment
  CAS-BOT-BC164069  Verbascum Peter Rubtzoff 1962-8-24 5070 Sonoma Fife Creek Marsh Comment
  RSA731  Verbascum blattaria E. R. Johnson 1928-8-22 1113 Sonoma Cloverdale Comment
  CDA16000  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15680 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 2 of 2. Comment
  CDA16001  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15681 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  UCD166726  Verbascum thapsus Peter Rubtzoff 1962-8-24 5070 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC376308  Verbena Greg de Nevers 1992-7-25 10227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 304 Comment
  CAS-BOT-BC251263  Verbena Peter Rubtzoff 1972-7-23 6836 Sonoma Forest Hills-Summerhome Park area, ca. 5 miles east of Guerneville; Terrace Drive, 0.4 miles up from Summerhome Park Road. Comment
  UCR129499  Verbena lasiostachys var. scabrida Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  CAS-BOT-BC262796  Veronica Peter Rubtzoff; Nancy Harrison 1974-9-7 7868 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  RSA785448  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh Comment
  UCR244664  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma 6.5 mi northeast of Penngrove, on Lichau Road 427 Comment
  CAS-BOT-BC164359  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. Comment
  RSA783733  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  RSA783732  Veronica americana Peter Rubtzoff 1960-5-22 4409 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  RSA786489  Veronica americana Peter Rubtzoff 1962-8-22 5049 Sonoma Bodega Bay Marsh. Comment
  UCR255034  Veronica peregrina Greg de Nevers 1998-4-21 11159 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA94259  Veronica scutellata Peter Rubtzoff 1951-6-16 233 Sonoma Lower part of the upper marsh. Comment
  RSA0021069  Veronica serpyllifolia Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  SEINET12165197  Vicia angustifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -225 Sonoma Valley Ford, junction of CA 1 & Valley Ford-Freestone highway, along Ebabias Creek 30 Comment
  JEPS66188  Vicia pannonica Milo S. Baker May 1931 5162 Sonoma Rincon School Rincon Valley (Rincon Valley, in Austin's field just n of highway) Comment
  RSA51333  Vicia sativa Peter H. Raven 1950-4-6 1585 Sonoma Cotati to Santa Rosa Comment
  RSA128936  Vicia villosa J. T. Howell 1944-5-14 19483 Sonoma Chileno Valley Comment
  UC1763357  Viola adunca Milo S. Baker 1898-4-4 5507 Sonoma near Sea View Comment
  UC1763362  Viola adunca Milo S. Baker 1898-3-15 5502 Sonoma near Sebastopol Comment
  RSA80503  Viola lobata Milo S. Baker 1942-4-29 10189 Sonoma Spring Mt Road near summit. Near Napa -Sonoma county line. 457 Comment
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Jun 10 2012
  UC1762485  Viola lobata subsp. lobata Milo S. Baker 1942-6-11 10206 Sonoma Spring Mt. Rd. near summit 45 Comment
  UC19288  Viola lobata subsp. lobata F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC270154  Viola palustris M. S. Baker 1906-5-1 s.n. Sonoma At Kenwood Comment
  SDSU11390  Viola sempervirens D. F. Howe 1963-7-3 3590 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  RSA261416  Viola sempervirens Diane Ryerson 1969-5-3 39 Sonoma Hillside W of Tyrone Road. 122 Comment
  RSA40694  Viola sempervirens I. L. Wiggins 1948-3-21 11616 Sonoma Western margin of Kruse Rhododendron State Park. Comment
  CDA2764  Viscum album O. E. Bremmer 1929-12-29 Sonoma Santa Rosa. 0 Comment
  SEINET10231068  Viscum album Unknown 1966-1-17 Sonoma Sebastopol Comment
  RSA0020340  Vitis Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 mi east of Guerneville, along Russian River. Comment
  UCD102746  Vitis californica K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  UCD17549  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  UCD17550  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  UCD17551  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Comment
  CAS-BOT-BC199896  Vulpia bromoides G. DeNevers 1981-7-1 1725 B Sonoma On the slope W of the Goat Pen at the Garrison House Comment
  JEPS71212  Vulpia bromoides Virginia Bufford 1932-9-23 573 Sonoma 4 mi sw Santa Rosa Comment
  RSA128468  Vulpia bromoides P. H. Raven 1950-4-6 1552 Sonoma Cotati to Santa Rosa. 30 Comment
  HSC9911  Vulpia microstachys Leo Koch 1940-4-22 838 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  CAS-BOT-BC184134  Vulpia microstachys var. microstachys G. DeNevers 1981-5-15 1195 B Sonoma N slope of hill above Hansel's Lake Comment
  UC729991  Vulpia microstachys var. pauciflora Leo F. Koch 1940-4-22 840 Sonoma Geysers; Sulphur Creek Canyon Comment
  CDA42412  Wahlenbergia marginata Peter Warner 2013-3-27 271 Sonoma Glen Oaks Ranch, c. 1 mile east of Glen Ellen, in northeast part of ranch, along lower 1/4 mile of chaparral trail. Comment
  RSA537697  Watsonia meriana John H. Madison 1988-08 Sonoma Along Highway 1 from Ocean Cove and Horseshoe Cove Comment
  CAS-BOT-BC128701  Whipplea modesta Volney Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC128704  Whipplea modesta Walter Knight; Irja Knight 1964-2-27 531 Sonoma Seaview Comment
  CAS-BOT-BC128750  Whipplea modesta John H. Thomas 1955-5-22 5188 Sonoma Along St. Helena Road and West Creek, about 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 365 Comment
  UCD117290  Whipplea modesta Allen Hahus 1978-4-22 21 Sonoma 4 miles W of Bohemian Highway, 100 yards N of Coleman Valley Road. 243 Comment
  UCR244606  Wolffiella Peter Rubtzoff 1969-7-13 6112 Sonoma Pond 5.25 mi northeast of Penngrove nea