Search Results — 2000 specimen records retrieved (1239 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC383910  Abronia latifolia Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma About 2.30 north of Bay Highway 1 near mouth of Salmon River Comment
  UCD109798  Abronia umbellata H. A. Borthwick 1925-6-7 s.n. Sonoma Willow Camp. Comment
  CAS-BOT-BC371439  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road 400 Comment
  RSA0057967  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road. 100 Comment
  SEINET9342872  Acacia dealbata John Nelson, Wnek, R. 2000-3-6 20955 Sonoma Sonoma County Comment
  JEPS44843  Acaena pinnatifida var. californica W. L. Jepson 1931-7-19 15933 Sonoma Bodega, Watson School 152 Comment
  CAS-BOT-BC332753  Acer macrophyllum Peter Rubtzoff 1980-5-26 9449 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCD117125  Acer negundo W. W. Robbins 1932-6-17 s.n. Sonoma Sonoma County. Comment
  CAS-BOT-BC30079  Achillea millefolium D. E. Breedlove 1962-6-6 2894 Sonoma along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC29157  Achyrachaena mollis A. A. Heller; H. E. Brown 1902-4-16 5304 Sonoma Fields east of Santa Rosa Comment
  UCD161313  Acmispon brachycarpus James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3714 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UCD35653  Acmispon brachycarpus Beecher Crampton 1959-6-16 5373 Sonoma 1 mile east of Occidental. Comment
  UCD104098  Acmispon brachycarpus H. S. Yates 1934-4-22 3861 Sonoma Near Petrified Forest. 243 Comment
  HSC100949  Acmispon grandiflorus Peter Warner, Jason Martinez 2011-4-27 188 Sonoma Jenner Headlands, Kidd Creek watershed, near ridge-top along road. 285 Comment
  OBI13223  Acmispon junceus var. biolettii Robert F. Hoover 1964-9-8 9286 Sonoma Kolmer Gulch (near Fort Ross) Comment
  UCD104289  Acmispon parviflorus Botany 102 Students 1993-4-24 93 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail, S of Sonoma Creek. 411 Comment
  UCD104293  Acmispon parviflorus Frederica Bowcutt 1994-6-12 1861 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC29849  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC139920  Adenostoma fasciculatum A. A. Heller 1902-6-23 5741 Sonoma Petrified Forest Comment
  CHSC26308  Adiantum aleuticum P. Kunst 1977-4-12 24 Sonoma Ca. 2 yd n of Coleman Valley Creek and 2.7 mi w of Occidental. 219 Comment
  UC1112779  Aegilops triuncialis Paul Furbush 1958-5-29 Sonoma Cloverdale, River Road Cloverdale; , River Road 45 Comment
  CDA1668  Aegilops triuncialis T. C. Fuller 1960-6-14 4484 Sonoma Weeks Ranch, Los Alamos Rd., ca. 8 miles NE/ Santa Rosa 0 Comment
  SEINET4853892  Agastache glaucifolia A. A. Heller 1902-6-28 5792 Sonoma Between Knight's Valley & Mark West Springs. Comment
  CAS-BOT-BC29575  Agoseris apargioides var. eastwoodiae Roxana S. Ferris 1932-5-27 8258 Sonoma Cliffs at upper end of Bodega Bay Comment
  UCD160822  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3374 Sonoma Section 10, along Geysers Road, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCD160829  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3273 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  RSA416393  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UCD128435  Agoseris grandiflora Frederica Bowcutt 1994-6-12 1864 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-BC209997  Agrostis Peter Rubtzoff 1965-8-13 5590 Sonoma Goat Rock State Beach area, 1.6-1.8 mi. NW of State Hwy. #1 junction. Comment
  CAS-BOT-BC209999  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  CAS-BOT-BC210010  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh Comment
  UCD166338  Agrostis Peter Rubtzoff 1968-8-24 5933 Sonoma Upper Salmon Creek Marsh. Comment
  RSA115597  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek Comment
Read comments
Mar 20 2015
  UCD51868  Agrostis capillaris Mary M. Hektner 1974-7-18 148 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC127469  Agrostis densiflora Alice Eastwood 1915-6-29 4871 Sonoma Bodega Point. Comment
  UCD51890  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51987  Agrostis densiflora Beecher Crampton 1957-7-11 4329 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  SEINET10876389  Agrostis exarata A. Arthur Heller 1902-6-7 Heller 5654 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC53476  Agrostis exarata Jos. Burtt Davy Jul 1896 Sonoma Russian River Comment
  UCD52696  Agrostis hallii B. Crampton 1955-6-17 2979 Sonoma 2.4 miles south of Monte Rio. Comment
  UCR152268  Agrostis hallii Beecher Crampton 1959-6-16 5376 Sonoma 1 mi east of Occidental Comment
  CAS-BOT-BC138856  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma 6.5 miles north of Sonoma, State Highway 12. Comment
  UC1011026  Agrostis microphylla Virginia Bufford 1936-5-20 342 Sonoma Kellogg Mark West Road 3 mi from Mark West Comment
  UC1146691  Agrostis microphylla Freed W. Hoffman 1947-4-10 1944 Sonoma The Geysers North Coast Ranges, The Geysers Comment
  UCD53052  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma 6.5 miles north of Sonoma State Hwy. 12, Glen Ellen Station. California Division of Forestry. Comment
  UCD53067  Agrostis microphylla var. intermedia L. Whitney 1935-4-14 2258 b Sonoma Blunden's Pasture near Occidental. Comment
  CAS-BOT-BC139121  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC138913  Agrostis pallens Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  UCD53168  Agrostis pallens A. A. Beetle; G. L. Stebbines Jr. 1942-6-4 3568 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC539342  Agrostis pallens Frederica Bowcutt 1994-6-12 1856 Sonoma Sugarloaf Ridge State Park, about 50 air mi N of San Francisco, 10 air mi E of Santa Rosa, 1.5 air mi N of Kenwood, and 18 air mi NW of Napa; Adobe Canyo N of Sonoma Creek, N of Adobe Canyon Rd, at Pony Gate trail jct 432 Comment
  UCD53528  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. 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
  CDA36851  Aira caryophyllea 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
  UCD37349  Aira caryophyllea Beecher Crampton 1959-6-16 5368 Sonoma Sonoma County, 0.2 mile east of Occidental, on Occidental Road. Comment
  CAS-BOT-BC138391  Aira caryophyllea var. capillaris Mabel Wiesendanger 1927-5-5 712 Sonoma Sonoma. Comment
  CAS-BOT-BC138396  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chileno Valley, southern Sonoma county. Comment
  CAS-BOT-BC138218  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1961-6-17 4624 Sonoma Bennett Mountain Lake. Comment
  UCD55809  Aira praecox Mary M. Hektner 1974-6-24 60 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA790058  Alisma Peter Rubtzoff 1965-6-20 5558 Sonoma Petaluma Creek, 4 miles northeast of Petaluma (on Stoney Point Road). Comment
  UCR244502  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  UCR279634  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville 13 Comment
  RSA790062  Alisma lanceolatum Peter Rubtzoff 1976-5-30 8570 Sonoma Kenwood Marsh Comment
  SEINET3896060  Alisma lanceolatum Peter Rubtzoff 1954-8-2 1627 Sonoma Austin Creek Marsh.; 0 Comment
  CAS-BOT-BC445478  Alisma triviale Walter Knight; Irja Knight 1965-9-12 1188 Sonoma Newanga Road, Santa Rosa. Comment
  JEPS128306  Allium amplectens Roger Raiche 2009-4-30 027 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  SD56754  Allium dichlamydeum Darley F. Howe 1963-7-2 3716 Sonoma 4.2 miles north of junction with #12 on #1. On sea bluff. Comment
  OBI49238  Allium falcifolium F. T. Bioletti 1892-1 s.n. Sonoma Comment
  UCSC000151  Allium unifolium Beryl O. Schreiber 1934-5-16 1120 Sonoma Healdsberg, Fitch Mountain Road Comment
  CAS-BOT-BC474308  Allium unifolium Milo S. Baker 1927-5-6 21156 Sonoma Bennet Val near Highway Comment
  CAS-BOT-BC251181  Alnus Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  UCR244613  Alnus oregana Peter Rubtzoff 1966-11-9 5836 Sonoma Along Salmon Creek, near Freestone Comment
  RSA800596  Alnus rhombifolia Peter Rubtzoff 1960-9-14 4550 Sonoma Laguna de Santa Rosa, E of Graton, (between Occidental and Guerneville road) Comment
  UCD109997  Alnus rhombifolia Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1773 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 Trailhead along Adobe Canyon Road S of Sonoma Creek. 198 Comment
  UC847422  Alnus rubra Marcus E. Jones, A. M. 1882-7-17 3484 Sonoma Duncan's Mills Comment
  UC576308  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5603 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh 30 Comment
  UCD150134  Alopecurus pratensis 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
  UCD55812  Alopecurus pratensis Mary M. Hektner 1975-4-30 191 Sonoma near State Highway 1, Sea Ranch, just below Sea Ranch Association Office parking lot, Unit 36 Owners' Map . Comment
  JEPS68433  Alopecurus saccatus R. Kuhn 1913-4-15 Sonoma Sonoma Comment
  CAS-BOT-BC44965  Ambrosia chamissonis Joanne Taylor 1941-7-13 8 Sonoma Bodega Head 30 Comment
  RSA301113  Amelanchier pallida D. C. Michener 1982-7-26 4120 Sonoma Graton road 3.1 miles W of RR xing in Graton, 2.7 miles E of jct with Bohemian Hwy. Comment
  CAS-BOT-BC135671  Amelanchier utahensis John Thomas Howell; Alice Eastwood 1939-4-2 7378 Sonoma Near Camp Meeker on road to Occidental Comment
  CAS-BOT-BC135663  Amelanchier utahensis Robert Owen 1928-5-1 s.n. Sonoma Rio Nido Comment
  UCR279886  Ammannia robusta Peter Rubtzoff 1972-8-26 6860 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  SEINET211918  Ammophila arenaria subsp. arenaria J. Taylor, C Taylor 1971-5-29 8065 Sonoma South side of the Russian River adjacent to the Pacific Ocean Comment
  POM194542  Amorpha californica var. napensis Anonymous 1929-6-2 s.n. Sonoma Near Mark [?] West Springs Comment
  UC1084531  Amsinckia intermedia Peter Kamb 1952-5-30 2293 Sonoma 8 mi w of Petaluma (on road to Marshall) Comment
  RSA0091285  Amsinckia spectabilis Peter Kamb, Ray 1952-5-30 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head. 30 Comment
  SEINET11993493  Anagallis arvensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -172 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  UCD117551  Anagallis arvensis Rene Westbrook 1976-4-15 16 Sonoma California: Bodega Head. Comment
  UC1042505  Andropogon glomeratus var. pumilus Peter Rubtzoff 1951-11-24 849 Sonoma western branch of the Upper Marsh Pitkin Marsh (near Forestville); , western branch of the Upper Marsh Comment
  UC1146605  Andropogon glomeratus var. pumilus Freed W. Hoffman 1942-6-13 2046 Sonoma around Hot Springs the Geysers; North Coast Ranges, , the Geysers Comment
  CAS-BOT-BC137786  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  UC573792  Andropogon virginicus var. virginicus Virginia Bufford 1936-9-10 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  SEINET10513944  Andropogon virginicus var. virginicus Harry S. Yates 1937-8-22 Yates 6865 Sonoma 2 miles southeast of Forestville. 30 Comment
  CAS-BOT-BC391872  Anemone grayi Mrs. H. C. Cantelow 1939-4-12 s.n. Sonoma On the road to Cazadero via Plantation Comment
  RSA0079932  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. West of Tower-in-Saddle, along fence line downhill from gate to Shurtleff property. 100 Comment
  JEPS16078  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  CAS-BOT-BC221432  Angelica hendersonii Alice Griffin 1925-7-1 s.n. Sonoma Stewarts Pt. Comment
  UC496379  Anisocarpus madioides Merle Randall 1930-6-7 Sonoma Cazadero Comment
  UCD128896  Anisocarpus madioides Gerry North 1993-3 6 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Across Adobe Canyon Road deom Goodspeed Trailhead pullout. 228 Comment
  UCR218639  Anthemis cotula George K. Helmkamp, E. A. Helmkamp 2010-6-4 16219 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC137768  Anthoxanthum aristatum G. DeNevers 1981-5-30 1419 Sonoma Pepperwood Ranch. Low place east of the Pippindale Pond. Comment
  SEINET5336058  Anthoxanthum aristatum L. Koch 1940-4-22 841 Sonoma along highway 101 N of Windsor Comment
  SEINET11688816  Anthoxanthum occidentale F. H. Utech 1988-1 88 -186 Sonoma ca 0.15 mi SE from East Avenue junction with Bohemian Road on latter enroute to Occidental 140 Comment
  CAS-BOT-BC137688  Anthoxanthum odoratum Peter Rubtzoff 1960-5-16 4348 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  UC1388988  Antirrhinum kelloggii Milo S. Baker 1947-4-22 11688 Sonoma near Kenwood (above Gray Ranch); Hood Mt. 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
  JEPS5335  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum W. L. Jepson 1923-6-28 10004 Sonoma near Kenwood; Sonoma Canyon 243 Comment
  JEPS83376  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 327 Sonoma 5.4 mi up Old Cazadero Road (via Cherry Street) from Hwy 116 (in the town of Guernewood Park); Guernewood Park, Cazadero Quad. (7.5', 1943) 243 Comment
  CDA41218  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mike Mason 1977-7-11 PDR# 371779 Sonoma River Road near Guerneville. 0 Comment
  UC1012383  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Francis W. Pennell Jul 2 1940-Jul 3 1940 26038 Sonoma ne of Kenwood Springs 304 Comment
  POM14615  Antirrhinum virga Mcluner, Bioletti 1893-06 s.n. Sonoma Hood's Peak Comment
  UC188198  Apiastrum angustifolium Michener and Bioletti June 1893 Sonoma Hoods Peak Comment
  CAS-BOT-BC395018  Aquilegia formosa Ella Dales Cantelow 1939-4-10 2601 Sonoma 2.3 mi s. of Stewarts Point Comment
  JEPS46173  Arabis blepharophylla Eleanor Armstrong 1933-4-15 728 Sonoma Bodega Hill 6 Comment
  CAS-BOT-BC128616  Arbutus menziesii D. E. Breedlove 1980-6-27 44760 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA102086  Arbutus menziesii John H. Redfield 1872-8-28 213 Sonoma Geyser Valley Comment
  RSA629215  Arctostaphylos Jon E. Keeley 1993-9-11 24775 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629227  Arctostaphylos Jon E. Keeley 1993-9-11 24772 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC549553  Arctostaphylos J. E. Adams 1934-3-28 719 Sonoma near Santa Rosa; Vine Hill Comment
  OBI14768  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10893 Sonoma Graton-Occidental rd Comment
  UC1120874  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1553 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  UC909852  Arctostaphylos bakeri J. E. Adams 1935-3-1 1027 Sonoma 2 mi w Occidental Comment
  RSA164630  Arctostaphylos bakeri subsp. bakeri Percy C. Everett 1963-11-21 24566 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  RSA202121  Arctostaphylos bakeri subsp. bakeri Freed W. Hoffman 1947-3-11 823 Sonoma Northeast of Camp Meeker Comment
  RSA622707  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24695 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  UCD50522  Arctostaphylos canescens Frederica Bowcutt 1966-5-19 2135 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along the ridgeline and on the Napa/Sonoma County line, about 1/2 air miles E of Bald Mtn. Gray Piine Trail. 731 Comment
  UC1309665  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1939-3-18 872 Sonoma head of Hooker Canyon Sonoma Quadrangle 487 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-BC23886  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12896 Sonoma Rincon Ridge NE of Santa Rosa Comment
  RSA40093  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  RSA70887  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC876538  Arctostaphylos canescens subsp. sonomensis Lewis S. Rose 1940-2-12 40006 Sonoma 2 mi e Santa Rosa (type locality); Rincon Ridge 60 Comment
  UC876542  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1936-10 8622 Sonoma halfway to summit Rutherford-Glen Ellen Road Comment
  OBI14762  Arctostaphylos columbiana H. E. McMinn 1938-6-20 5127 Sonoma Stewarts Point to Gualala Comment
  UC424787  Arctostaphylos columbiana Milo S. Baker 1929-7-16 3621 a Sonoma e slope of ridge along hwy Inverness Comment
Read comments
Feb 17 2015
  CAS-BOT-BC24992  Arctostaphylos densiflora Milo S. Baker 1929-6-1 3572 Sonoma Near Vine Hill Schoolhouse. 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-BC25014  Arctostaphylos densiflora Peter Rubtzoff 1952-3-22 870 Sonoma Dry, open area separating the Western branch of the Upper Marsh from the Eastern. Comment
  JEPS83500  Arctostaphylos densiflora Jack and Betty Guggolz 1986-2-22 848 Sonoma above extrapolated (Spanish land grant) (n side of Vine Hill School Rd); Cal. Native Plant Soc. reserve Comment
  RSA31996  Arctostaphylos densiflora A. A. Heller 1942-3-15 16398 Sonoma just west of Vine Hill School Comment
  SD107684  Arctostaphylos densiflora Walter Knight, Irja Knight 1980-12-23 3856 Sonoma In ditch along Vine Hill Road across from McConnell's place. Comment
  UC549450  Arctostaphylos densiflora J. E. Adams 1934-3-28 723 Sonoma Vine Hill School Sta. Rosa Comment
  SEINET11987220  Arctostaphylos densiflora W. Knight, Knight, I. 1980-1 3858 Sonoma California Native Plant Society preserve on Vine Hill School Rd, near Graton Comment
  SEINET11987266  Arctostaphylos densiflora J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4098 Sonoma Strybing Arboretum, San Francisco, via Edmunds Nursery orig from Vine Hill District, near Sebastopol Comment
  UCSB12556  Arctostaphylos densiflora Huot, J. 1961-3-25 Sonoma 4 miles east of Healdsburg, along north side of Highway 101 on roadbanks 30 Comment
  UCD162762  Arctostaphylos glandulosa Dylan O. Burge 2014-6-5 1641 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  UCD166540  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2041 Sonoma Gilfillian Vineyard, roadside on Cavedale Road. 400 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
  CAS-BOT-BC24720  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma About 4 mi. e. of Warfield along the road to Oakville. 213 Comment
  CAS-BOT-BC24724  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. Hood. Comment
  UC1120216  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1572 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC473583  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5779 Sonoma Vine Hill District Comment
  LA42174  Arctostaphylos hispidula John Thomas Howell; 1933-4-2 10956 Sonoma 2 mi. E of Occidental Comment
  SEINET11993339  Arctostaphylos hispidula Unknown 1984-1 RR 40016 Sonoma Rockpile Road, 9.1 mi N from its intersection & beginning at Skaggs Springs-Stewarts Point Rd 503 Comment
  CAS-BOT-BC38987  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Near Cazadero, The Cedars, population samples from north end of 10 acre study area. 274 Comment
  RSA633054  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27491 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  UCD52069  Arctostaphylos manzanita B. Crampton 1955-6-17 2978 Sonoma 2.4 miles south of Monte Rio. Comment
  HSC7649  Arctostaphylos manzanita Freed W. Hoffman 1947-4-7 1879 Sonoma Between Healdsburg and Calistoga Comment
  OBI14641  Arctostaphylos manzanita Robert F. Hoover 1963-1-12 8548 Sonoma Triniti rd, Hoods Peak Range Comment
  SEINET11990970  Arctostaphylos manzanita Unknown 1983-1 30491 I Sonoma near confluence of Thompson Creek & East Austin Creek, East Austin Creek St. Rec. Area 91 Comment
  SEINET11993017  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. W. 1985-1 5171 Sonoma couple of mi down Kelly Road W of Rockpile Road junction 488 Comment
  SEINET11993022  Arctostaphylos manzanita W. Knight, Knight, T. 1985-1 5176 Sonoma Lovers' Leap area of John Joost Ranch on Calistoga Road between St. Helena Rd & Porter Creek Rd Comment
  SEINET11995499  Arctostaphylos manzanita subsp. bakeri Unknown 1986-1 60001 Sonoma NE of Healdsburg, Reservoir Hill 122 Comment
  CAS-BOT-BC38904  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11301 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38676  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ride north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek on serpentine. Comment
  CAS-BOT-BC38705  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4762 Sonoma The Cedars, Twitchell Ranch 243 Comment
  CAS-BOT-BC38712  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  CDA33697  Arctostaphylos manzanita subsp. manzanita D. G. Kelch, D. A. Weinstein 2010-12-1 10 .45 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SBBG39486  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1970-2-27 70007 Sonoma Vine Hill School Rd 76 Comment
  UC1043527  Arctostaphylos manzanita subsp. manzanita P. C. Everett and E. K. Balls 1954-10-20 20379 Sonoma off Hwy 12 about 2 mi ne Santa Rosa; Rincon Ridge 137 Comment
  UC1121478  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 834 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1193143  Arctostaphylos manzanita subsp. manzanita G. W. Tourtillott 1950-5-5 15 Sonoma 1/2 mi e Hale Ranch; Quad 60B3, Sulphur Creek 243 Comment
  UC726694  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1941-6-4 16161 Sonoma on the Gurneville Road about 2 mi n Graton Comment
  UC549420  Arctostaphylos nummularia J. E. Adams 1934-6-9 828 Sonoma coastal bluffs near McNamees Store Comment
  UC549523  Arctostaphylos nummularia J. E. Adams 1934-6-9 827 Sonoma 1 mi s McNamees Store Comment
  POM209914  Arctostaphylos patula H. F. Copeland 1932-3-18 A- 4 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  RSA13419  Arctostaphylos patula H. F. Copeland 1933-3-18 A- 13 Sonoma Vine Hill region on College Avenue Highway, near Santa Rosa. Comment
  SBBG28819  Arctostaphylos patula H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, N of Santa Rosa Comment
  CAS-BOT-BC47341  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5777 Sonoma Vine Hill District, 10 mi. w. of Santa Rosa. Comment
  RSA636816  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24747 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636821  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24716 Sonoma Along Calistoga Road, 8.5 km southwest of Highway 128. 360 Comment
  UC674756  Arctostaphylos stanfordiana E. A. Goldman 1907-12-29 Sonoma se slope Mt. St. Helena 1066 Comment
  SEINET11987272  Arctostaphylos stanfordiana J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4103 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, orig. from Triniti Road Comment
  UC725948  Arctostaphylos stanfordiana A. A. Heller 1942-3-15 16394 Sonoma just ne Santa Rosa; Rincon Ridge Comment
  SD125798  Arctostaphylos stanfordiana subsp. bakeri Lewis S. Rose 1970-2-27 70008 Sonoma Type locality, 2 mi. E of Occidental 185 Comment
  SEINET11984944  Arctostaphylos stanfordiana subsp. bakeri Unknown 1966-1 695 Sonoma E of Occidental Ridge on Graton Rd, ca 2.5 mi E of Occidental Comment
  JEPS95234  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS73685  Arctostaphylos stanfordiana subsp. stanfordiana L. R. Heckard 1968-2-25 1753 Sonoma along Cavedale Road about 5 mi from its junction with the Sonoma-Kenwood Road (edge of Macnab Cypress area, western slope of Hooker Canyon (head of)); w slope of Hooker Canyon (head of) 548 Comment
  HSC7741  Arctostaphylos viscida P. J. Zinke 1949-6-19 63 Sonoma Divide between Smith and Dry Creek 457 Comment
  UCD52200  Arctostaphylos viscida A. E. Wieslander 1938-10-29 848 Sonoma 3 miles E. of Mt. St. Helena (St. Helena Creek). 457 Comment
  UC1193017  Arctostaphylos viscida subsp. pulchella P. Zinke 1949-6-14 62 Sonoma divide between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  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
  POM209633  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  RSA302214  Aristolochia californica Jim Shevock 1971-1-30 626 Sonoma Along Russian River Comment
  UCSB19199  Armeria maritima subsp. californica Jensen, Karen 1965-4-16 Sonoma State Highway 1; 3 km. N of Salmon Creek Bridge; N of Bodega 18 Comment
  SEINET11933459  Armeria maritima var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -145 Sonoma between Salmon Creek & Cormet, junction Coleman Valley Road & CA 1 12 Comment
  UC176012  Arnica discoidea H. M. Hall 1909-6-21 Sonoma Guernewood Park, along R. R. embankment Guernewood Park Comment
  UCR255653  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  RSA0015428  Artemisia pycnocephala Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  SEINET10637049  Asclepias fascicularis A. Arthur Heller 1902-6-4 Heller 5643 Sonoma Santa Rosa Comment
  JEPS101708  Asclepias solanoana Dean W. Taylor 1997-5-7 15985 Sonoma The Cedars, headwaters Austin Creek 563 Comment
  CAS-BOT-BC478543  Asparagus officinalis Walter Knight; Irja Knight 1961-8-26 4726 Sonoma Vacation Beach, near Guerneville Comment
  JEPS128365  Aspidotis californica Roger Raiche 2009-4-30 029 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  RSA39633  Aster chilensis Philip A. Munz 1947-10-10 12216 Sonoma 2 miles west of Duncan Mills Comment
  UC19232  Astragalus gambelianus Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC186822  Astragalus gambelianus John Thomas Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena Comment
  SBBG221  Athyrium filix-femina var. cyclosorum H. and M. Dearing 1939-5-15 3385 Sonoma N of Fort Ross Comment
  UCD136300  Athyrium filix-femina var. cyclosorum Mary M. Hektner 1976-12-15 282 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC17427  Athysanus pusillus Peter H. Raven 1950-4-6 1603 Sonoma Rincon Ridge. 304 Comment
  UC1299654  Athysanus pusillus Freed Hoffman 1947-2-28 610 Sonoma near. headwaters of Gilliam Creek Guerneville; North Coast Ranges, Gilliam Creek Comment
  HSC6514  Athysanus pusillus R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1326 Sonoma 1 mi. NW of Big Geysers Comment
  CAS-BOT-BC290670  Atriplex Peter Rubtzoff 1958-9-6 3974 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  RSA0018577  Atriplex Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  UC1034625  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach at Salmon Creek; beach at Salmon Creek Comment
  SEINET10882908  Avena P. Rubtzoff 1972-5-25 Rubtzoff 6766 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC146135  Avena barbata Beecher Crampton 1956-3-12 3222 Sonoma Asti. Itialian Swiss Colony Winery. Comment
  CAS-BOT-BC145720  Avena fatua David L. Morgan 1956-5-11 s.n. Sonoma 311 Mountain View Ave. Petaluma. 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
  CAS-BOT-BC68344  Azolla filiculoides Peter Rubtzoff 1960-5-29 4424 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  SD254556  Azolla filiculoides Ann Howald, Christina Freeman 2015-1-1 3411 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail (Kenwood 7.5'Q) 362 Comment
  CAS-BOT-BC68340  Azolla filiculoides Peter Rubtzoff 1961-8-6 4673 Sonoma Americano Creek 1/2 mi. east of Valley Ford Comment
  RSA227254  Azolla filiculoides Peter Rubtzoff 1961-6-23 4653 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC154151  Baccharis douglasii Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC99782  Baccharis salicifolia Alice Eastwood 1921-5-8 10464 Sonoma Petaluma Comment
  HSC5129  Baccharis salicifolia Greg Bos 1963-5-5 82 Sonoma Pina Creek, out of Healdsburg 91 Comment
  RSA0025201  Barbarea Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16694  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville. Forest south of the Upper Marsh. Comment
  CAS-BOT-BC145838  Beckmannia syzigachne Peter Rubtzoff 1961-6-25 4656 Sonoma Laguna de Santa Rosa near Trenton. Comment
  SBBG57110  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, SE of Santa Rosa Comment
  UCD122100  Bellardia trixago P. B. Kennedy 1928-5-13 s.n. Sonoma On Napa-Sonoma Highway and counties. Comment
  RSA790983  Bidens cernua Peter Rubtzoff, Nancy Harrison, Edward Lee, Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC102006  Bidens frondosa W. & I. Knight 1984-8-28 5291 Sonoma Spring Lake, Santa Rosa Comment
  CAS-BOT-BC290698  Bidens laevis Peter Rubtzoff 1958-9-27 4015 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road) Comment
  RSA786928  Blennosperma bakeri Carrie A. Herd 1982-3-16 27 Sonoma Santa Rosa, Todd Road Preserve Comment
  RSA800149  Blennosperma bakeri Peter Rubtzoff, Nancy Harrison, Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SD51682  Blennosperma bakeri M. S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa Street, in field on east side of street. Comment
  UC963901 Image available Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma in a hog wallow Sonoma Comment
  CAS-BOT-BC100253  Blennosperma bakeri Rimo Bacigalupi; R. Ornduff; L. Heckard 1964-3-25 8924 Sonoma In pastures along (east of) Arnold Drive, 0.7 mile north of its junction with State Highway 37, south of Sonoma Comment
  JEPS83485  Blennosperma bakeri Jack and Betty Guggolz 1986-3-14 856 Sonoma n of, w of Hwy 12, n side of Bonneau road Bonneau Comment
  RSA0000973  Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in 'hog wallow' about 0.25 mi south of Napa Street in field on east side of street. Comment
  SEINET8466128 Image available Bloomeria crocea J. A. Ewan 1935-5-13 9264 Sonoma Wright School on Sebastopol Rd. Comment
  CAS-BOT-BC15952  Boechera breweri subsp. breweri A. A. Heller; H. E. Brown 1902-3-31 5190 Sonoma Mount Hood. Comment
  CAS-BOT-BC154968  Boisduvalia Peter Rubtzoff 1970-8-19 6328 Sonoma Austin Creek beach, 3.5 miles S of Cazadero Comment
  RSA790865  Boisduvalia Peter Rubtzoff, Nancy Harrison, Ruth Hass 1974-8-31 7850 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC478115  Boisduvalia Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5. miles east of Guerneville Comment
  RSA790716  Boisduvalia densiflora Peter Rubtzoff 1961-7-22 4660 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC290567  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1970-8-18 6306 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC31353  Bolboschoenus robustus Walter Knight; Irja Knight 1984-8-27 5082 Sonoma Gilardi's Resort near Lakeville in tidal area. 3 Comment
  POM142187  Boykinia occidentalis A. A. Heller 1902-6-26 5772 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC420422  Boykinia occidentalis Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC145654  Brachypodium phoenicoides Mary P. Wells 1981-8-2 s.n. Sonoma Between end of Dune Drift and the sea near the hedgerow. The Sea Ranch. Comment
  CAS-BOT-BC145655  Brachypodium phoenicoides Peter G. Conners 1991-6-18 s.n. Sonoma In dunes at Bodgea Bay, between Salmon Creek and the State Park Road to the campground. Comment
  CAS-BOT-BC36708  Brassica rapa Mary P. Wells 1984-5-16 s.n. Sonoma Santa Rosa. Rincon Valley. Friends House grounds. Comment
  CAS-BOT-BC376301  Brassicaceae Greg de Nevers 1989-2-1 9035 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  CAS-BOT-BC311816  Briza Peter Rubtzoff 1973-8-29 s.n. Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC145480  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 2 miles southeast of Forestville. 30 Comment
  RSA239698  Briza maxima Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1096 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UCD57138  Briza maxima Terri Williamson 1990-5-20 60 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  UCD57148  Briza maxima B. Crampton 1955-6-17 2968 Sonoma Along State Hwy. 1. Fort Ross. Comment
  UCD57170  Briza maxima N. F. Sommer 1954-5-15 82 Sonoma Along State Highway 12. 3.1 miles north of Freestone. 30 Comment
  UCD57364  Briza maxima Beecher Crampton 1959-6-16 5371 Sonoma 0.2 miles E of Occidental. Comment
  UCD57132  Briza maxima Chris Chan 1991-3-5 5 Sonoma Bay Hill Road. 182 Comment
  CAS-BOT-BC145292  Briza minor G. DeNevers 1981-6-20 1639 Sonoma Pepperwood Ranch. Northeast of Peperwood, on the east road to Knights Valley at a pond filling with silt. Comment
  SEINET11689513  Briza minor F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -245 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD57382  Briza minor Frank H. Takatori 1952-5-11 s.n. Sonoma 1 mile north of Petaluma. Comment
  UCD150146  Brodiaea coronaria Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  CAS-BOT-BC484394  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6086 Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol 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
  JEPS5694  Brodiaea leptandra W. L. Jepson 1923-6-28 10006 Sonoma Sonoma Canyon Vicinity of San Francisco Bay, Kenwood Comment
  SEINET7040126  Brodiaea pulchella A. G. Vestal 1962-4-12 Sonoma On Mark Springs Road, North of Santa Rosa, 6.4 miles northeast of Route 101. UTM Zone 10, 524439mE, 4265737mN. Comment
  JEPS18123  Brodiaea stellaris Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5675 Sonoma at base The Butcher Knife (along secondary road following creek); Big Austin Creek 182 Comment
  CAS-BOT-BC486528  Brodiaea stellaris Peter Rubtzoff 1969-5-11 6046 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  SEINET6165246 Image available Brodiaea stellaris Unknown 1983-5-24 s.n. Sonoma By gate N. of alump. Occidental Comment
  JEPS7714  Brodiaea terrestris subsp. terrestris P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  CAS-BOT-BC487728  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1962-6-1 4871 Sonoma Freestone Marsh Comment
  SBBG33935  Bromus carinatus L. S. Rose 1962-4-18 62024 Sonoma 1 mi NW of Freestone 76 Comment
  UCD36637  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  SEINET249950 Image available Bromus carinatus var. carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC148785  Bromus carinatus var. marginatus A. A. Heller 1902-4-9 5247 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC148784  Bromus carinatus var. marginatus H. S. Yates 1937-5-31 6566 Sonoma 1.5 mile northeast of Petrified Forest. 335 Comment
  UC1010991  Bromus carinatus var. maritimus Virginia Bufford 1936-5-1 170 Sonoma Bodega Canyon at Larkspur Rock Larkspur Rock; Bodega Canyon, Larkspur Rock Comment
  CAS-BOT-BC156277  Bromus catharticus G. DeNevers 1981-5-5 931 Sonoma Pepperwood Ranch. In Pippindale Garden. Alos in west arm of Garrison Canyon. Comment
  CAS-BOT-BC155958  Bromus commutatus Peter Rubtzoff 1962-5-25 4844 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC155667  Bromus diandrus John H. Thomas 1966-5-8 11597 Sonoma 1.4 mile west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  CAS-BOT-BC155669  Bromus diandrus A. A. Heller 1902-4-17 5322 Sonoma Santa Rosa. Comment
  SEINET11690154  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6278 Sonoma Todd Road Preserve 24 Comment
  SBBG22696  Bromus laevipes M. S. Walters 1960-6-18 Sonoma St Hwy 12, ca. 1.5 mi E of Russian River Bridge at Guerneville Comment
  UCD58936  Bromus laevipes B. Crampton 1955-6-17 2977 Sonoma 2.4 miles south of Monte Rio. Comment
  UCD36537  Bromus madritensis subsp. madritensis Beecher Crampton 1954-4-26 1794 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CAS-BOT-BC161700  Bromus rubens Mary P. Wells 1984-5-24 306 Sonoma Annadel State Park southeast of Santa Rosa. Comment
  UCD60222  Bromus tectorum Freed W. Hoffman 1942-5-11 2264 Sonoma North Coast Ranges. Headwaters of the Gualala River (The Roughs). Comment
  CAS-BOT-BC185376  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  CAS-BOT-BC185423  Bromus vulgaris P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart Point. Annapolis. Comment
  UCR141958  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma North Coast Range, 1.6 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  CAS-BOT-BC176119  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh Comment
  CDA3587  Cakile maritima H. F. McCracken 1965-8-23 Sonoma Bodega Bay. 0 Comment
  UCD57037  Calamagrostis bolanderi P. B. Kennedy 1915-7-1 s.n. Sonoma Del Mar. Comment
  RSA94095  Calamagrostis bolanderi J. T. Howell 1947-6-5 23235 Sonoma Cunningham Marsh Comment
  UCD57243  Calamagrostis koelerioides Roxana S. Ferris; Laura Lorraine 1961-6-15 13563 Sonoma 1.3 miles from junction with Green Valley Road, Harrison Grade. Comment
  UC1153822  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4039 Sonoma Hot Springs road 3 mi sw Cloverdale Comment
  UC963876  Calamagrostis ophitidis Milo S. Baker 1947-5-30 11772 Sonoma along Harrison Grade ca 2 mi ne Occidental; Nort Bay Counties Comment
  RSA0065162  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC273249  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma Just east of Sonoma Comment
  CAS-BOT-BC273247  Calendula arvensis John Thomas Howell 1959-5-7 34593 Sonoma Fetters Springs Comment
  CAS-BOT-BC376223  Callitriche marginata Greg de Nevers 1995-5-20 10729 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In road through Fern Canyon 487 Comment
  SEINET8465053 Image available Calochortus amabilis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16212 Sonoma North Coast Ranges; Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  UC496432  Calochortus amabilis Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  UCR218647  Calochortus amabilis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16212 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC483277  Calochortus amabilis C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Park Comment
  CAS-BOT-BC483279  Calochortus amabilis A. A. Heller; H. E. Brown 1902-4-22 s.n. Sonoma Between Santa Rosa and Agua Caliente Comment
  CAS-BOT-BC483282  Calochortus amabilis Roxana S. Ferris; Laura Lorraine 1961-6-15 13551 Sonoma Harrison Grade Road, 0.3 mile from junction with Green Valley Road Comment
  SEINET3884895  Calochortus amabilis James Grimes 1981-4-29 1976 Sonoma Above Highway 128 about 1.2 miles north of U.S. 101, north of Cloverdale.; 0 Comment
  SEINET6879027  Calochortus amabilis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  UC3418  Calochortus luteus Carl Purdy 1821-1 Sonoma Windsor Comment
  CAS-BOT-BC492638  Calochortus luteus James L. Reveal 1987-6-7 6412 Sonoma Along Geysers Road, 4.4 miles east-southeast of U.S. Along Cavedlae Road, about 1.5 mile south of Trinity Road, in grassy open areas of heavy soil among Quercus and other chaparral species about 13 airline miles southeast of Santa Rosa 579 Comment
  SEINET6165496 Image available Calochortus luteus Unknown 1981-6-18 s.n. Sonoma W side of Ida Clayton Rd on Mt St Helena. Comment
  UC72482  Calochortus tolmiei Milo S. Baker 1898-4-5 5 Sonoma Coast Road Comment
  POM161089  Calochortus uniflorus Rimo C. Bacigalupi 1249 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
Read comments
Mar 30 2015
  UC423009  Calochortus uniflorus Milo S. Baker Apr 1899 Sonoma near Santa Rosa; Sonoma Valley Comment
  UC1876263  Calycadenia fremontii Gerald D. Carr 1972-3-20 687 Sonoma 1.0 mi W of Westside Rd. on Mill Creek Rd., 2.5 mi SW of Healdsburg. 106 Comment
  UC1299278  Calycadenia multiglandulosa Freed W. Hoffman 1948-6-1 2679 Sonoma 2 mi e Occidental; North Coast Ranges Comment
  RSA135373  Calycadenia pauciflora Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  UC615100  Calycadenia pauciflora Beryl O. Schreiber 1934-5-16 1127 Sonoma Healdsburg, Fitch Mountain Road Comment
  CAS-BOT-BC371437  Calycadenia truncata Greg de Nevers 1997-7-29 11072 Sonoma Near Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Just south of Redwood Canyon on neighbor's land 400 Comment
  UC1971751  Calycadenia truncata R. L. Carr 1986-10-2 2262 Sonoma Mountain Home Ranch Road, ca. 75 yards W of Petrified Forest Road, 1.3 mi NE of Petrified Forest Lane, ca. 3.6 mi SW of Calistoga Comment
  CAS-BOT-BC90998  Calycanthus occidentalis G. DeNevers 1981-6-20 1610 Sonoma Pepperwood Ranch. Along Mark West Creek. Also along Leslie Creek. Comment
  CAS-BOT-BC91013  Calycanthus occidentalis F. G. Krauss 1893-11-1 s.n. Sonoma Kronos Ranch in Kronos Canyon. Comment
  CAS-BOT-BC91016  Calycanthus occidentalis Catherine Best 1981-6-5 s.n. Sonoma Bohemian Highway 3 miles north of Occidental. Comment
  JEPS40306  Calycanthus occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville (Russian River); Russian River Comment
  SBBG52675  Calycanthus occidentalis C. Davidson 1977-6-17 5883 Sonoma St Hwy 12, ca. 3 mi W of Guerneville, along Russian River 15 Comment
  SEINET10675438  Calycanthus occidentalis Melvin L. Conrad, Douglas G. LeDoux; David B. Dunn 1973-6-8 Conrad 7078 Sonoma Shrub on shaded bank at end of Neeley Road in Guerneville. 76 Comment
  UCD137801  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road. Comment
  SEINET8565825 Image available Calycanthus occidentalis S. L. G. 1892-1 2919 Sonoma Comment
  UCD137898  Calycanthus occidentalis P. B. Kennedy 1927-8-20 s.n. Sonoma Knight's Valley. Comment
  JEPS29352  Calypso bulbosa Wayne Roderick 1963-3-2 Sonoma 3 mi nw of Occidental (on Willow Creek Road); Willow Creek Road 304 Comment
  UC4384  Calypso bulbosa Miss Atterbury 1895-3-20 Sonoma Cazadero Comment
  UCSB915  Calypso bulbosa var. occidentalis Keator, Glenn 1959-4-1 Sonoma 0.3 miles west of Digger Indian Reservation; on Stewart's Point-Geyserville highway Comment
  UCR45086  Calyptridium quadripetalum L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 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
  CAS-BOT-BC224738  Calystegia purpurata subsp. saxicola Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Point Comment
  POM203257  Calystegia soldanella J. T. Howell 1931-4-18 6419 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay. Comment
  UC1299583  Calystegia subacaulis Freed W. Hoffman 1947-6-4 527 Sonoma North Coast Ranges. East Austin Creek . Comment
  JEPS46293  Calystegia subacaulis Eleanor Armstrong 1933-4-15 717 Sonoma Bodega, near beach 6 Comment
  JEPS128239  Calystegia subacaulis subsp. subacaulis Roger Raiche 2000-5-4 080 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC498778  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC498783  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  UC72485  Camassia quamash subsp. quamash Milo S. Baker 1897-4-5 Sonoma Coast Road Comment
  RSA186808  Camissonia cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma between town of Bodega and Bodega Head. Comment
  CAS-BOT-BC160367  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC160369  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  SD38638  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1932-7-21 4045 Sonoma Bodega Bay. Comment
  UC903745  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma at top Rose Butte; Hood Mt. 243 Comment
  CAS-BOT-BC266423  Campanula californica Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  SEINET10463919  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma ANAPOLIS 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
  SEINET10905991  Campanula californica Hektner 1974-8-27 HEKTNER 182 A Sonoma SEA RANCH, NR STATE HWY 1, UNIT 24 (OWNER"S MAP) ASSOC. IN WET CALAMAGROSTIS W RUBUS & DESCHAMPSIA Comment
  UC34817  Campanula prenanthoides W. C. Blasdale 1896-7-18 Sonoma Cozadero Comment
  SEINET10905928  Campanula prenanthoides Rattan 1877-6-25 RATTAN s.n. Sonoma CLOVERDALE Comment
  RSA790010  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA786866  Capsella bursa-pastoris Carrie A. Herd 1982-3-14 19 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  CAS-BOT-BC37752  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Near Healdsburg. Comment
  JEPS119398  Cardamine californica J. Greenhouse with R. Raiche, H. Bartosh, J. Game 2012-2-4 5143 Sonoma The Cedars. Comment
  UCD114189  Cardamine californica Mary M. Hektner 1976-4-3 236 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD166729  Cardamine californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone marsh. Comment
  UCD77454  Cardamine californica Robert E. Preston 2001-2-28 1497 Sonoma Ca. 2.5 mi NE of Fort Ross, near Seaview 381 Comment
  CAS-BOT-BC37771  Cardamine californica John H. Thomas 1966-3-22 11535 Sonoma About 2.7 miles from Sebastapol toward Santa Rosa along Highway 12. Comment
  JEPS35786  Cardamine oligosperma Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8927 Sonoma just off Arnold Drive at its junction with Fowler Creek Road (Sonoma Valley); Sonoma Valley 35 Comment
  UCD151170  Cardamine oligosperma James A. Neilson Jr. 1974-3-27 3014 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CAS-BOT-BC38037  Cardamine oligosperma Alice S. M. McKenzie 1981-2-23 21 Sonoma Coast between Russian and Gualala Rivers. California State Highway at Kolmer Gulch. Beside road. Comment
  SEINET12875772 Image available Cardionema ramosissimum Lewis S. Rose 1956-1 56129 Sonoma Bodega Point sand dunes Comment
  CAS-BOT-BC173680  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  RSA790301  Carduus pycnocephalus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC281763  Carduus pycnocephalus G. DeNevers 1981-5-9 1058 Sonoma Along road below the Strebel Homestead Comment
  CAS-BOT-BC281771  Carduus pycnocephalus Roxana S. Ferris; Laura Lorraine 1948-6-9 11658 Sonoma Franz Valley Rd about 0.75 mile from Mark West Rd Comment
  UC963926  Carex Milo S. Baker 1947-6-26 11830 Sonoma ca. 1 mi (airline) sw Cunningham Station (Cunningham Marsh) Comment
  UCD161772  Carex James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR255715  Carex abrupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh 6 Comment
  CAS-BOT-BC344826  Carex abrupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC18143  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC18146  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh. Comment
  UCD112451  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  SEINET7550703 Image available Carex athrostachya John Thomas Howell, J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  UCD112448  Carex athrostachya Peter Rubtzoff 1957-5-26 3361 Sonoma Occidental Marsh. Comment
  RSA122799  Carex barbarae H. S. Yates 1936-5-16 5584 Sonoma 1 mile northeast of Graton. 30 Comment
  RSA0015629  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC329312  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncans Mills Marsh. Comment
  UCD140182  Carex brevicaulis P. G. Connors 1991-5-24 110 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC110184  Carex buxbaumii John Thomas Howell 1945-7-18 21327 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC110185  Carex buxbaumii Peter Rubtzoff 1952-5-10 1004 Sonoma Ptikin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UC1227  Carex comosa Jos. Burtt Davy 1896-7-22 Sonoma flats along Russian River near Guerneville; Russian River Comment
  CAS-BOT-BC18983  Carex densa Peter Rubtzoff 1951-6-10 198 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC18986  Carex densa G. DeNevers 1981-6-15 1536 Sonoma Pepperwood Ranch. Along the stream down from the Rogers Apple Orchard. Comment
  CAS-BOT-BC20510  Carex densa Peter Rubtzoff 1954-6-7 1488 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC20514  Carex densa Peter Rubtzoff 1954-6-7 1478 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CHSC55433  Carex densa James Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  JEPS73338  Carex densa Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 756 Sonoma 1 mi W of Two Rock junction Comment
  RSA758130  Carex densa Peter Rubtzoff 1954-6-7 1478 Sonoma Guerneville Marsh Comment
  UC1133352  Carex densa H. S. Yates 1936-5-16 5583 Sonoma 1 mi NE of Graton 30 Comment
  UCR258147  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh 72 Comment
  CAS-BOT-BC20479  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 A Sonoma 2 miles north of Cloverdale. 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
  UCR250396  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  SEINET10855708  Carex festiva Henry N. Bolander Bolander 3867 Sonoma Meadow on Russian River, Comment
  CAS-BOT-BC20134  Carex feta Peter Rubtzoff 1957-5-11 3328 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC320552  Carex feta Peter Rubtzoff; Tim Tunison 1976-6-5 8586 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCR208533  Carex feta Peter Rubtzoff 1957-5-11 3328 Sonoma Occidental Marsh Comment
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Aug 27 2013
  CAS-BOT-BC20443  Carex globosa 1895-5-30 s.n. Sonoma Cazadero. Comment
  UC728666  Carex globosa Milo S. Baker 1941-4-5 9925 Sonoma Calistoga-Franz Valley road 1/2 mi s School House (e a short distance on side of road) Comment
  CAS-BOT-BC20446  Carex globosa G. DeNevers 1981-6-20 1645 Sonoma Pepperwood Ranch. Comment
  CAS-BOT-BC28362  Carex gracilior Peter Rubtzoff 1951-6-10 205 Sonoma Pitkin Marsh, near Forestville. South of the Upper marsh. Comment
  CAS-BOT-BC28332  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 a Sonoma Meadow at Cloverdale. Comment
  SEINET3901419  Carex gynodynama Lewis S. Rose 1964-6-3 64053 Sonoma N end of Bodega Bay.; 0 2 Comment
  RSA0022387  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Sonoma County: Freestone marsh Comment
  RSA0022358  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  SEINET10551416 Image available Carex lacunarum A. Arthur Heller 1902-7-1 Heller 5797 Sonoma Lagoon at Sebastopol. Comment
  CAS-BOT-BC31172  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  UC835699 Image available Carex lemmonii J. T. Howell and J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh; ; Pitkin Marsh, Sonoma Co. Comment
  UCR248945  Carex leporina Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  UCD140481  Carex leporina Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  RSA0031803  Carex leptopoda Peter Rubtzoff, Nancy Harrison 1974-7-13 7680 Sonoma Upper Green Valley Marsh. Comment
  JEPS128364  Carex mendocinensis Roger Raiche 2000-5-28 123 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC32192  Carex multicaulis D. E. Breedlove 1983-4-11 58672 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC119578  Carex nudata John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54677 Sonoma Bouverie Audubon Preserve, ca 1.5 mi E of Glen Ellen near Stuart Creek. 137 Comment
  UC1508  Carex nudata H. N. Bolander Apr 1864 3812 Sonoma Mark West Creek Comment
  UCD140692  Carex nudata Frederic Hrusa 1988-2-21 5500 Sonoma Sugarloaf Ridge State Park. Upper end of main valley in moist area along creek. 400 Comment
  CAS-BOT-BC310305  Carex obnupta Peter Rubtzoff 1964-6-20 s.n. Sonoma Laguna de Santa Rosa, southeast of Sebastopol (near Cooper Road). Comment
  UC1100482  Carex obnupta Malcolm A. Nobs and S. Galen Smith 1949-8-1 1111 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  UCR250039  Carex obnupta Peter Rubtzoff 1970-10-3 6413 Sonoma Central Coast, Marsh off the west side of Hwy 1, 0.7 mi. SE of Salmon Creek 30 Comment
  CAS-BOT-BC119310  Carex obnupta Mary P. Wells 1981-8-2 s.n. Sonoma S end of Timber Ridge Road, The Sea Ranch. Comment
  CAS-BOT-BC310304  Carex obnupta Peter Rubtzoff 1964-7-29 s.n. Sonoma Bodega Bay Marsh. Comment
  RSA0025209  Carex obnupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC320465  Carex pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh. Comment
  RSA0022349  Carex pachystachya Peter Rubtzoff 1974-6-2 7504 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC118939  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  UC1147827  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  SEINET7572506 Image available Carex preslii Andrew L. Hipp, Glen C. Clifton 1999-5-27 334 a Sonoma City of Santa Rosa. Comment
  SJSU8861  Carex senta R. D. Demostene 1965-4-25 Sonoma creek bed 3.5 mi NW of Cloverdale on State Rte 128 144 Comment
  CAS-BOT-BC117355  Carex stipata var. stipata Peter Rubtzoff 1951-6-30 306 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UC1133459  Carex stipata var. stipata H. S. Yates 1936-5-16 5604 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quadrangle Comment
  CAS-BOT-BC116931  Carex subbracteata Peter Rubtzoff 1957-5-11 3330 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC350937  Carex tumulicola Peter Rubtzoff 1959-5-31 4076 Sonoma Freestone Marsh. Comment
  RSA0031801  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  UCR248922  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh Comment
  CAS-BOT-BC281914  Carthamus lanatus Peter Rubtzoff 1969-7-5 6110 Sonoma Ca 5 miles NE of Penngrove, on Lichen Rd Comment
  CAS-BOT-BC281915  Carthamus lanatus John Thomas Howell 1967-6-17 42597 Sonoma Confluence of Galloway and Dry creeks, Arthur E. Cooley Ranch 182 Comment
  CDA6987  Carthamus lanatus T. C. Fuller 1970-5-4 19487 Sonoma East of Monte Vista Lane, south side of Petaluma-Valley Ford Road, 4.2 miles west of Petaluma. 0 Comment
  CDA6988  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma North side of Valley Ford Road, 6 miles west of Petaluma. 0 Comment
  UCR18581  Carthamus tinctorius John C. Roos, L. Roos 1959-9-2 6599 Sonoma North Coast Ranges, Healdsburg, Healdsburg dump Comment
  CAS-BOT-BC371467  Caryophyllaceae Greg de Nevers 1993-5-30 10468 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  UC353895  Castilleja affinis subsp. affinis Milo S. Baker 1927-5-7 2125 a Sonoma Fitzsimmons Grade to Adobe Canyon 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
  POM179718  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5293 Sonoma 4 miles north of Bodega Bay. Comment
  POM179763  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5226 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  POM44312  Castilleja ambigua subsp. ambigua Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  JEPS128327  Castilleja attenuata Roger Raiche 2000-5-4 073 .00 Sonoma The Cedars. Lower Russian River, Big Austin watershed. Comment
  UC1012323  Castilleja attenuata F. W. Pennell and H. L. Mason 1940-5-21 25484 Sonoma e of Kellogg (Route 28) 182 Comment
  UC1063442  Castilleja attenuata H. S. Yates 1934-4-22 3845 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  SEINET7067295  Castilleja densiflora A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor near the Russian River. Coordinate datum: NAD27. UTM Zone 10, 512347mE, 4272854mN. Comment
  CDA41328  Castilleja densiflora T. C. Fuller 1977-4-21 20194 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  UC65828  Castilleja densiflora subsp. densiflora A. A. Heller 1902-4-18 5307 Sonoma Windsor Comment
  UC1238987  Castilleja foliolosa Freed W. Hoffman 1946-8-14 593 Sonoma East Austin Creek; North Coast Ranges, Rocky Mountain Comment
  UCD122530  Castilleja foliolosa Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 64 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. 259 Comment
  POM44369  Castilleja franciscana Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  JEPS35570  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1384 Sonoma about 2.5 mi n mouth of Russian River (slope back from the ocean in Russian Gulch, near point where highway loops back w); Russian Gulch 91 Comment
  CAS-BOT-BC241089  Castilleja uliginosa Peter Rubtzoff 1952-10-26 1328 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  JEPS35564  Castilleja wightii L. R. Heckard 1964-6-12 1390 Sonoma about 1 mi s Bodega Bay (town) (beach between highway and Bodega Bay) Comment
  JEPS60453  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6691 Sonoma 0.25 mi from Willow Creek Road junction with Highway 1 (on Willow Creek Road, just s of Russian River) Comment
  UC1374936  Castilleja wightii Noel H. Holmgren and Liew Fah Seong 1969-6-23 3607 Sonoma by entrance Shell Beach (Calif Hwy 1, 18.6 mi n of Marin County line) Comment
  CAS-BOT-BC47803  Ceanothus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47806  Ceanothus W. R. Dudley 1896-9-18 s.n. Sonoma Between Sea View and Plantation House Comment
  CAS-BOT-BC56929  Ceanothus Walter Knight; Steve Edwards 1985-11-17 5185 Sonoma Franz Valley School Road, near old schoolhouse Comment
  CAS-BOT-BC48513  Ceanothus confusus John Thomas Howell 1933-4-2 10946 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC48516  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range, east of Santa Rosa Comment
  UC480609  Ceanothus confusus Carl Meyer 1928-3-3 306 Sonoma Santa Rosa Comment
  UC727758  Ceanothus confusus Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Ranch, Kenwood Region Comment
  RSA0005479  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  SEINET12211129  Ceanothus confusus Unknown 1985-1 50178 Sonoma W of Healdsburg, Dry Cr. Valley, N of Dorman Cyn 244 Comment
  SEINET12211234  Ceanothus confusus W. Knight, Knight, I.; Edwards, S. 1985-1 6331 Sonoma Bradford Mt. NW of Healdsburg 762 Comment
  RSA339398  Ceanothus cuneatus Roger Raiche 1985-4-6 50182 Sonoma Dry Creek area near Healdsburg, ridge W of Dry Creek Valley, unamed road N of Dorman Canyon on ridge. 244 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
  RSA754440  Ceanothus divergens subsp. confusus Dylan O. Burge 2007-4-10 DOB 833 d Sonoma SE flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek, along the Goodspeed Trail, 3.44 km 19 degrees true NNE of Kenwood. 200 Comment
  UCD160017  Ceanothus foliosus James A. Neilson Jr. 1975-1-24 3132 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CDA11983  Ceanothus foliosus var. foliosus G. F. Hrusa, T. D. Wilfred 1995-12-3 12488 Sonoma North Coast Biodiversity Arena; SE summit of Chalk Mtn., Foote Ranch property, NW base of Mt. St. Helena. Comment
  UCD112133  Ceanothus foliosus var. vineatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  RSA0005484  Ceanothus foliosus var. vineatus H. E. McMinn 1936-4-5 4406 Sonoma West of Vine Hill School, ca. 10 miles west of Santa Rosa. Comment
  CAS-BOT-BC49994  Ceanothus gloriosus John Thomas Howell 1937-4-11 12899 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50008  Ceanothus gloriosus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50017  Ceanothus gloriosus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UCR131683  Ceanothus gloriosus subsp. exaltatus C. B. Wolf 1941-7-30 11108 Sonoma along coast, 8.5 miles south of Stewarts Point at entrance to Salt Point Ranch 30 Comment
  CAS-BOT-BC32736  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
  CAS-BOT-BC49951  Ceanothus gloriosus var. exaltatus Roman Gankin 1966-3-3 694 Sonoma east of Occidental Ridge on Graton Road, ca. 2.5 miles east of Occidental Comment
  POM215713  Ceanothus gloriosus var. exaltatus Jens Clausen 1933-3-26 742 Sonoma Southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road (off hwy) Comment
  RSA276844  Ceanothus incanus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  UC1602371  Ceanothus incanus J. Burtt Davy 1893-6-22 739 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC50952  Ceanothus integerrimus H. N. Bolander 4721 Sonoma Russian River - Valley Comment
  UC70452  Ceanothus jepsonii Milo S. Baker 1898-6-11 662 Sonoma near Geysers (Hog Back) 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
  CAS-BOT-BC51130  Ceanothus jepsonii var. albiflorus Roger Raiche 1985-4-6 RR 50182 Sonoma Dry Cr area nr Healdsburg, ridge W of Dry Cr Val, unnamed rd N of Dorman Cyn on ridge 243 Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  UC1176842  Ceanothus jepsonii var. jepsonii Lewis S. Rose 1955-3-21 55030 Sonoma 2 mi NE of Occidental 213 Comment
  CAS-BOT-BC51879  Ceanothus parryi John Thomas Howell 1941-4-5 16174 Sonoma Rincon Ridge Comment
  JEPS86811  Ceanothus parryi Jack and Betty Guggolz 1991-5-4 1121 Sonoma firebreak on the S side of Bradford Mountain one mi W of Dry Creek Road 341 Comment
  UCSB22877  Ceanothus parryi McMinn, H. 1941-4-26 Sonoma North of Guerneville Comment
  LA44966  Ceanothus prostratus Milo S. Baker; 1933-5-26 7338 Sonoma Rincon Ridge about 2 mi. NE of Santa Rosa Comment
  CAS-BOT-BC83740  Ceanothus sonomensis D. O. Burge; Steven Kembel 2008-5-29 1002 b Sonoma Sonoma Mountains, Annadel State Park 330 Comment
  SBBG26768  Ceanothus sonomensis J. T. Howell 1935-5-5 Sonoma Triniti Mtn 2 mi NE of Glen Ellen 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
  SEINET12210794  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4676 Sonoma Tilden Botanic Garden, Berkeley 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
  RSA606274  Ceanothus velutinus Jon E. Keeley 1993-9-11 24801 Sonoma Chaparral on S side of N Peak, Mt. St. Helena. 1050 Comment
  UC30944  Centromadia fitchii Alice King 1897-5-1 Sonoma Healdsburg Comment
  UC523518  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mi e Shellville Comment
  CAS-BOT-BC271541  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC251270  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC251311  Cerastium Peter Rubtzoff 1959-6-20 4155 Sonoma Willow Creek Marsh. Comment
  RSA800601  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC384972  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay Comment
  CAS-BOT-BC135423  Cercocarpus betuloides var. betuloides John Thomas Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  UC1127922  Cercocarpus betuloides var. betuloides E. Armstrong 1934-3-26 910 Sonoma 1 mi nw of Camp Meeker 121 Comment
  CAS-BOT-BC279788  Chamaemelum fuscatum Philip A. Munz 1952-3-23 17351 Sonoma 2 miles south of Asti Vineyard (Italian Swiss Colony) Comment
  CDA7375  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19486 Sonoma 2 miles west of the freeway overpass, Highway 101, Asti. 0 Comment
  UC1242071  Cheilanthes intertexta Don Branscomb 1961-2-27 Sonoma Comment
  RSA785152  Chenopodium Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  SEINET11933366  Chenopodium berlandieri var. zschackei W. Knight, Knight, I.; Edwards, S. W. 1984-1 5042 Sonoma Willow Creek between Denman Flat and Corona Road near Petaluma Comment
  RSA201186  Chenopodium botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC493398  Chlorogalum pomeridianum G. DeNevers 1981-5-12 1136 Sonoma Carrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC499258  Chlorogalum pomeridianum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC499260  Chlorogalum pomeridianum F. G. Kraus 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  UCD138412  Chlorogalum pomeridianum var. divaricatum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  LA206575  Chorizanthe cuspidata var. cuspidata John Thomas Howell; 1930-6-8 5217 Sonoma N end of Bodega Bay Comment
Read comments
Feb 25 2015
  CAS-BOT-BC252851  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  SEINET7883461 Image available Chrysanthemum segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC30104  Chrysolepis chrysophylla Mary P. Wells; Mary Rhyne; John Madison 1985-11-4 695 Sonoma Forest 1/2 mile south of the Gualala River Comment
  RSA82848  Chrysolepis chrysophylla J. M. Tucker 1951-6-26 2143 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  CAS-BOT-BC176186  Cichorium intybus Peter Rubtzoff 1955-9-10 2128 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC285708  Cirsium occidentale var. occidentale Walter Knight; Irja Knight 1963-8-13 163 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC290646  Cirsium occidentale var. occidentale Peter Rubtzoff 1960-9-14 4548 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CDA1486  Cirsium occidentale var. venustum E. P. Delfino 1960-4-11 s.n. Sonoma Cloverdale; Rust Horn Ranch, Pine Mt. Rd. 0 Comment
  CAS-BOT-BC280532  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC280534  Cirsium quercetorum Alice Eastwood 1915-6-29 4891 Sonoma Bodega Point Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC285748  Cirsium remotifolium Greg de Nevers 1997-5-3 10989 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UC30827  Cirsium remotifolium var. odontolepis F. T. Bioletti 1892-1 Sonoma Tracy Comment
  SJSU704  Cirsium vulgare A. W. Jacobs 1941-7-27 Sonoma W bank, Russian River near Hilton Comment
  CAS-BOT-BC164355  Citrullus lanatus Peter Rubtzoff 1976-9-25 8904 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCD166463  Citrullus lanatus Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC161051  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-11 6268 Sonoma Bodega Bay Comment
  CAS-BOT-BC161056  Clarkia amoena subsp. amoena Peter Rubtzoff 1962-7-14 s.n. Sonoma 4 mi. west of Petaluma Comment
  POM310933  Clarkia amoena subsp. amoena Calvin McMillan, Phyllis McMillan 1951-5-27 1552 Sonoma Northwest of Cloverdale on road to Boonville, ca. 1 mile east of Mendocino-Sonoma county line. 335 Comment
  JEPS82307  Clarkia amoena subsp. huntiana Roger Raiche 1983-7-5 30483 Sonoma n. Plantation (Tin Barn Rd. (3.5 mi. n. of King Ridge Rd.)) Comment
  POM37827  Clarkia amoena subsp. huntiana Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  CAS-BOT-BC172205  Clarkia concinna A. A. Heller 1902-6-26 5776 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC172210  Clarkia concinna A. A. Heller 1940-5-10 15600 Sonoma Near Fort Ross on a roadside bank. Comment
  CAS-BOT-BC172222  Clarkia concinna Mrs. E. C. Sutliffe 1894-5-15 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC172204  Clarkia concinna Dorothy Scherer 1997-5-16 132 Sonoma Skaggs Springs Rd, south side, 10-11 mi. east of Hwy. 1 365 Comment
  UC20005  Clarkia concinna subsp. concinna Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  JEPS25145  Clarkia gracilis subsp. sonomensis G. Thomas Robbins 1959-5-16 4015 Sonoma Spring Mt. Road Mayacamas Mt. (between Calistoga Road and Sonoma-Napa County line) 487 Comment
  CAS-BOT-BC163133  Clarkia gracilis subsp. sonomensis Doris K. Kildale 1929-7-14 8459 Sonoma Trail up Klamath River to Blue Creek 152 Comment
  CAS-BOT-BC163140  Clarkia gracilis subsp. sonomensis G. DeNevers 1981-6-4 1436 Sonoma On the roadcut by the buckeye tree S of the Garrison Gate Comment
  UCD70268  Clarkia gracilis subsp. sonomensis D. Sanchez-Mata 1998-7-12 s.n. Sonoma Alderglen Springs-Cloverdale. 320 Comment
  LA30762  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13692 Sonoma at 4551 Vine Hill Road, near Pitkin Marsh Comment
  UC728606  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma along path to <Pitkin> marsh; Pitkin Ranch Comment
  RSA0060039  Clarkia imbricata Peter H. Raven, R. Snow 1958-7-23 13692 Sonoma 4551 Vine Hill Road, near Pitkin Marsh Comment
  CAS-BOT-BC163468  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1929-6-9 4301 Sonoma 2 miles n. of Sonoma Comment
  RSA448314  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-6-20 6017 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  CAS-BOT-BC165670  Clarkia unguiculata A. A. Heller 1902-6-24 5750 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC439318  Claytonia exigua subsp. exigua A. A. Heller; H. E. Brown 1902-3-12 5049 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  JEPS28104  Claytonia exigua subsp. exigua Roxana S. Ferris 1962-4-14 13585 Sonoma ca .12 mi beyond Sonoma County dump Comment
  RSA17448  Claytonia gypsophiloides Elmer I. Applegate 1934-3-25 8846 Sonoma Sausal Creek, western foothills of the Mayacama Mts. Comment
  RSA304000  Claytonia gypsophiloides J. R. Shevock 1972-3-28 1486 Sonoma Road bank Hwy 128, N. of Cloverdale. 91 Comment
  UC75507  Claytonia gypsophiloides Milo S. Baker 1898-3-19 721 Sonoma Happy Valley Comment
  SEINET7075542  Claytonia parviflora A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC439637  Claytonia parviflora subsp. parviflora A. A. Heller; H. E. Brown 1902-3-20 5102 Sonoma Near Windsor Comment
  CAS-BOT-BC439639  Claytonia parviflora subsp. parviflora G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  UCD123945  Claytonia perfoliata Caitlin Lewis; William Mutch 1993-4-17 19 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  UCD160143  Claytonia rubra subsp. depressa James A. Neilson Jr. 1974-4-4 3168 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 975 Comment
  CAS-BOT-BC443870  Claytonia sibirica Peter Rubtzoff 1967-8-22 5851 Sonoma Southeast of Lower Salmon Creek Marsh. Comment
  UCD124941  Clinopodium douglasii Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-4 120 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1238966  Collinsia greenei Freed W. Hoffman 1950-6-16 3616 Sonoma near Mercuryville; North Coast Ranges Comment
  SEINET7067331  Collinsia heterophylla A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  RSA92819  Collinsia heterophylla Peter H. Raven 1950-4-6 1593 Sonoma Vernal Flats, Santa Rosa to Rincon Ridge. 183 Comment
  SEINET12329967  Collinsia heterophylla F. H. Utech 1986-1 86 -120 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  UC1032606  Collinsia sparsiflora var. arvensis H. S. Yates 1936-5-3 5577 Sonoma 1 mi nw of Petrified Forest (Quadrangle Calistoga); Quadrangle Calistoga 304 Comment
  UC766311  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1939-4-18 4045 Sonoma 3 mi w Graton (on road to Occidental) Comment
  CAS-BOT-BC286004  Conyza bonariensis Walter Knight; Irja Knight 1963-9-1 215 Sonoma Magnolia Ave., Petaluma Comment
  CAS-BOT-BC286005  Conyza bonariensis Mary P. Wells 1988-9-7 966 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  JEPS6780  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1895-8-30 21341 Sonoma Petrified Forest Comment
  JEPS6813  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1895-8-30 21340 Sonoma Petrified Forest Comment
  RSA0065199  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1997-6-7 11074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Oak Hill Ranch. 100 Comment
  UC103416  Cordylanthus pilosus subsp. pilosus Michener and Bioletti 1891-9-4 1431 a Sonoma s Los Guilucos 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-BC238238  Cordylanthus tenuis subsp. capillaris Catherine Best 1980-8-8 s.n. Sonoma Stoetz Lane 2 miles north-east of Occidental Comment
  JEPS33009  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1947-9-5 1251 Sonoma between Tyrone and Camp Meeker (Dutch Bill Creek) Comment
  RSA107417  Cordylanthus tenuis subsp. capillaris L. S. Rose 1955-7-11 s.n. Sonoma 2 miles NE of Occidental 244 Comment
  UC1096792  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  CAS-BOT-BC101573  Corethrogyne filaginifolia Mary P. Wells 1982-7-3 s.n. Sonoma Unit 34A, The Sea Ranch Comment
  CAS-BOT-BC290613  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  CAS-BOT-BC212286  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC212294  Cornus glabrata Alice Eastwood 1915-6-5 4578 Sonoma Petrified Forest Comment
  UCR255674  Cornus nuttallii Greg de Nevers 1998-5-25 11266 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; at the caves. 400 Comment
  CAS-BOT-BC210431  Cornus sericea G. DeNevers 1981-5-2 907 Sonoma Pepperwood Ranch. Confluence of Leslie Creek and Mark West Creek Comment
  CAS-BOT-BC210436  Cornus sericea Peter Rubtzoff 1958-4-26 3589 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC210473  Cornus sericea subsp. occidentalis A. A. Heller 1902-7-1 5796 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC290301  Cotula coronopifolia Greg de Nevers; Frank Almeda 1987-4-11 8151 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UCD130895  Cotula coronopifolia Charles B. Heiser Jr. 1946-4-13 1724 Sonoma 1 mile east of Jenner. Comment
  SJSU5983  Crataegus douglasii C. W. Sharsmith 1972-6-24 7796 Sonoma Atascadero Cr Marsh c 1 mi NW of Graton by lower Atascadero Cr, a tributary of Green Valley Cr Comment
Read comments
Dec 20 2006
  SEINET11910989  Crataegus douglasii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -226 Sonoma 0.1 mi N of Freestone Road on Bohemian Road, along Salmon Creek 30 Comment
  RSA123352  Crataegus suksdorfii H. S. Yates 1934-4-21 3783 Sonoma Near Bodega. 61 Comment
  RSA94007  Crataegus suksdorfii Peter Rubtzoff 1951-6-16 212 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
Read comments
Apr 28 2010
  UCD116522  Crocanthemum scoparium Frederica Bowcutt 1994-6-25 1917 Sonoma 609 Comment
  UCD158831  Croton setiger James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2921 Sonoma The Geysers, Section 14. (Elevation estimated by label maker using Google Earth.) 533 Comment
  UCR246781  Crupina vulgaris Les Sonder 1990-1-25 s.n. Sonoma Anadell State Park, Santa Rosa 351 Comment
  CDA37890  Crupina vulgaris CDFA Staff 1991-1 s.n. Sonoma 0 Comment
  CDA4461  Crupina vulgaris G. D. Barbe 1991-5-15 4412 (b) Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  UCR255060  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC190184  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  UCD119057  Cryptantha ambigua Collector unknown 1932-7-7 s.n. Sonoma Calistoga, near Petrified Forest. Comment
  JEPS30831  Cryptantha leiocarpa Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8587 Sonoma 0.25 mi se Horseshoe Cove (at ne base of low hills forming Bodega Head proper); Bodega Head 12 Comment
  UC857170  Cryptantha leiocarpa Milo S. Baker 1934-6-1 7704 Sonoma Wrights Beach Comment
  UC1731386  Cryptantha milobakeri Dean W. Taylor 1998-6-22 16683 Sonoma 0.3 mi along ridge from Eagle Rock Substation ((ridge dividing Bear Canyon from Squaw Cr.)); North Coast Ranges, Mayacamas Mountains, The Geysers Geother 792 Comment
  UC905112  Cryptantha muricata Milo S. Baker 1947-5-7 11735 Sonoma near base of Sugar Loaf (sw slope of Hood Mt.); Hood Mt. 365 Comment
  UCD133584  Cupressus macrocarpa Chris Bowen 1974-5-19 131 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1; by the playground. Comment
  CAS-BOT-BC85466  Cupressus sargentii David Daniels Keck 1933-11-6 2651 Sonoma 4 mi. N. of Occidental Comment
  UC1134244  Cupressus sargentii Mason 1932-7-19 123 Sonoma 0.6 mi nw Los Alamos School; Santa Rosa Quad. Comment
  UC196929  Cupressus sargentii Dr. Emmet Rixford 1916-8-1 Sonoma s of Monte Rio (near Bohemian Iron) Comment
  UC552376  Cupressus sargentii Rimo Bacigalupi 1935-7-12 2374 Sonoma 10 mi e Healdsburg (at Pine Flat, s end of Mayacamas Range); Mayacamas Range, Pine Flat Comment
  UCD133619  Cupressus sargentii Roxana S. Ferris; Laura Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road. Comment
  CAS-BOT-BC85463  Cupressus sargentii Milo Samuel Baker 1928-1-2 3383 a Sonoma north of Mill Creek 2 or 3 miles on trail from Cooper's Ranch Comment
  SEINET11739539  Cupressus sargentii W. Knight, Knight, I.; Edwards, S. 1986-1 5362 Sonoma Geyser Peak, along trail to summit 975 Comment
  SEINET11739563  Cupressus sargentii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -241 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC376230  Cynodon Greg de Nevers 1996-9-23 10880 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piny Canyon 487 Comment
  CAS-BOT-BC190242  Cynodon dactylon Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  POM202745  Cynoglossum grande I. L. Wiggins 1932-3-12 5760 Sonoma Between Franz Valley and Knight s Valley. Comment
  CAS-BOT-BC190472  Cynosurus echinatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north off Crow's Nest Road and east of Spy Glass Lane. The Sea Ranch. Comment
  UCR218735  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16222 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC114433  Cyperus erythrorhizos Peter Rubtzoff 1963-9-28 5279 Sonoma Fitch Mtn Grove, 2 mi E of Healdsburg. Open, moist ground on Russian River bottom. Comment
  RSA94263  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-14 438 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC114040  Cyperus squarrosus Peter Rubtzoff 1987-10-17 9871 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  CAS-BOT-BC435192  Cypselea humifusa Peter Rubtzoff 1969-8-24 6145 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  UC70410  Cytisus scoparius Milo S. Baker 1899-5-7 Sonoma near Occidental Comment
  UCD105683  Cytisus scoparius Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 62 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. 259 Comment
  CAS-BOT-BC445564  Damasonium californicum Peter H. Raven 1963-4-28 18253 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  UC115528  Damasonium californicum unknown May 8 1880-Jun 7 1880 Sonoma near Petaluma Petaluma Comment
  CAS-BOT-BC445562  Damasonium californicum John Thomas Howell 1937-6-6 13012 Sonoma Sebastopol Comment
  CAS-BOT-BC192267  Danthonia californica A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC192269  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC210057  Danthonia californica Peter Rubtzoff 1957-5-11 3345 Sonoma Occidental Marsh. Comment
  LA11230  Danthonia californica John Thomas Howell; 1935-5-5 12611 Sonoma 6 mi from Santa Rosa, on rd to Sonoma Comment
  UCD21145  Danthonia californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 320 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD60515  Danthonia californica R. Tofsrud 1948-6-24 s.n. Sonoma Arata Ave. just off Hwy. 101, nort of East Windsor. Comment
  UCD60994  Danthonia californica R. Tofsrud 1947-6-16 36 Sonoma Near Wright School, Hwy. 12 Comment
  UCD60460  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mile W of the junction of Arnold Dr. Comment
  UCD60498  Danthonia californica H. S. Yates 1934-4-22 3853 Sonoma 2 miles S of Mark West. 152 Comment
  RSA733924  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma 8.5 miles S.E. of Greysville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads. 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
  POM267996  Danthonia californica var. californica D. D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River, open grassy field 1/2 mi. from ocean 23 Comment
  CAS-BOT-BC154986  Datura Peter Rubtzoff; Irene Rubtzoff 1968-8-31 5940 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CDA5765  Datura stramonium T. C. Fuller 1957-12-17 Sonoma 1 mile north of Petaluma. 0 Comment
  RSA0020090  Datura stramonium Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  UCD166101  Datura stramonium Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  JEPS15984  Daucus carota W. L. Jepson 1931-7-19 15936 Sonoma Bodega, Watson School 152 Comment
  CAS-BOT-BC293813  Deinandra corymbosa Rimo Bacigalupi 1928-6-18 1902 Sonoma At mouth of Salmon Creek 2 miles north of Bodega Bay Comment
  CAS-BOT-BC361290  Delphinium Greg de Nevers 1993-5-6 10436 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Weimar Flat 457 Comment
  UC854102  Delphinium decorum Lewis S. Rose 1939-5-14 39123 Sonoma hills 1 mi e Bodega Bay 30 Comment
  UC914291  Delphinium decorum subsp. decorum Verne Grant and Alva Grant 1947-5-4 7954 Sonoma 1 mi from Bodega Bay (on road to Bodega) Comment
  UC726246  Delphinium decorum subsp. tracyi A. A. Heller 1938-5-14 15089 Sonoma steep slope a mi or more e Bodega Bay Comment
  UC72779  Delphinium decorum subsp. tracyi Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  UCSC000516  Delphinium hesperium C. B. Churchill 1-May s.n. Sonoma Sonoma Cr. Canon Comment
  UC1299394  Delphinium hesperium subsp. hesperium Freed W. Hoffman 1950-4-27 3475 Sonoma near Hacienda (Roy Litton Ranch); North Coast Ranges 304 Comment
  UC1334519  Delphinium hesperium subsp. hesperium G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 3 Sonoma 100 yds sw of Route 29 Mark West Mineral Spring Comment
  CAS-BOT-BC8001  Delphinium nudicaule J. H. Thomas 1955-5-22 5186 Sonoma About 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 365 Comment
  UC424874  Delphinium nudicaule Milo S. Baker 1930-4-5 3930 d Sonoma Coast Road a few mi s Russian River Comment
  UC58221  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  UCD95873  Delphinium nudicaule Erik Beever; Patti Togioka and Valerie Bullock 1993-5-8 235 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail. 304 Comment
  POM302103  Delphinium variegatum H. C. Cantelow 1940-4-6 s.n. Sonoma 1/2 miles S of Shellville Comment
  RSA70708  Delphinium variegatum L. S. Rose 1951-5-17 51012 Sonoma Hills E of Agua Caliente. 122 Comment
  SEINET12093545  Delphinium variegatum F. H. Utech 1986-1 86 -107 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  UC353904  Delphinium variegatum Milo S. Baker 1926-7 2140 a Sonoma Bennet Val Road near Summit Comment
  UC118590  Delphinium variegatum subsp. variegatum T. S. Brandegee Sonoma Santa Rosa Comment
Read comments
Nov 9 2006
  RSA6527  Dendromecon rigida Jens Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield on the road to Oakville, on the Youngman Ranch 91 Comment
  UCD95142  Dendromecon rigida Collector unknown Date unknown s.n. Sonoma S.W. Comment
  UCD95180  Dendromecon rigida Mrs. H. Dwyer 1928-5-1 1411 Sonoma Location unknown. Comment
  UCD164696  Deschampsia cespitosa Peter Rubtzoff 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD63820  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4333 Sonoma Sonoma Coast State Park along State Hwy. 1, 1.3 miles north of Salmon Creek. Comment
  UCR280138  Deschampsia danthonioides Peter Rubtzoff 1971-6-5 6510 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  CAS-BOT-BC201962  Deschampsia elongata Peter Rubtzoff 1962-10-9 s.n. Sonoma Russian River Mouth Marsh Comment
  UCD63561  Deschampsia elongata Beecher Crampton 1955-6-17 2951 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC208926  Dichanthelium acuminatum subsp. acuminatum F. G. Krauss 1893-10-28 s.n. Sonoma Geyser Canyon Comment
  CAS-BOT-BC502217  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-17 5087 Sonoma Hills 8 miiles northeast of Santa Rosa Comment
  CAS-BOT-BC502219  Dichelostemma capitatum F. G. Kraus 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  SEINET12051470  Dichelostemma capitatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -268 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  POM169358  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-17 5087 Sonoma Hills 8 miles northeast of Santa Rosa Comment
  UCD139196  Dichelostemma capitatum subsp. capitatum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 68 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  SEINET10533899  Dichelostemma congestum A. Arthur Heller 1902-6-23 Heller s.n. 1902 Sonoma Petrified Forest. Comment
  RSA39845  Dichondra donelliana Vanderwal 1941-11-6 s.n. Sonoma Frank Silva property, Sebastopal. Comment
  SEINET10496681  Dichondra occidentalis Alan A. Beetle 1940-4-7 Beetle 2598 Sonoma In sandy soil on low, open, grassy coastal hill; five miles north of Jenner. Comment
  CAS-BOT-BC183609  Digitaria Peter Rubtzoff 1971-8-23 6656 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  RSA788367  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  CAS-BOT-BC209113  Digitaria sanguinalis Mary P. Wells 1985-8-19 599 Sonoma Ducker Creek Dike, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC151750  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-4-14 5282 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC182751  Dipsacus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  CDA37724  Dipsacus sativus R. Breckenridge/S. Ostrom 2009-5-6 s.n. Sonoma Windsor, along Highway 101. 0 Comment
  UCD116840  Dirca occidentalis G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3230 Sonoma 2 miles west of Bodega, on Bodega Canyon Road. Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  UCR279620  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh 6 Comment
  CDA12821  Dodecatheon hendersonii G. F. Hrusa, R. Gross 1996-3-8 12655 Sonoma North Coast Biodiversity Arena; NW side of Foote Ranch on ridge between Foote Creek and Briggs Creek. Comment
  JEPS30786  Dodecatheon hendersonii G. Thomas Robbins 1937-3-25 12 Sonoma e Santa Rosa; Santa Rosa Creek Canyon, e of Santa Rosa Comment
  JEPS57131  Dodecatheon hendersonii L. R. Heckard 1967-5-7 1595 Sonoma near top Hood Peak; near top of Hood Peak 822 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
  SJSU8499  Dodecatheon hendersonii T. A. Wayne III 1962-4-7 Sonoma midway between Bodega Bay & Salmon Cr 91 Comment
  JEPS77865  Downingia concolor var. concolor Robert M. Lloyd 1965-5-8 3628 Sonoma 3 mi n Highway 12 junction with Aqua Caliente Road (on Highway 12, meadow across from Lawrence Triangle End Garage) Comment
  JEPS108503  Downingia concolor var. concolor Lisa Schultheis with Tony Morosco 1995-5-31 187 -95 Sonoma NW Santa Rosa. W side of Pinter Rd., near Waltzer Rd. Comment
  JEPS26984  Downingia pusilla Milo S. Baker 1927-5-8 2114 Sonoma near Bennett Valley Road summit Comment
  UC1019327  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  CAS-BOT-BC401570  Drosera rotundifolia John Thomas Howell 1945-5-30 20906 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC159463  Drymocallis glandulosa var. glandulosa John Thomas Howell 1930-6-8 5255 Sonoma Rocky slope, 1 mile east of Bodega Bay Comment
  JEPS78860  Drymocallis glandulosa var. wrangelliana Edward Lee 1936-6-8 2221 Sonoma near entrance Bohemian Grove; near entrance Bohemian Grove Comment
  CAS-BOT-BC71021  Dryopteris arguta Walter Knight; Irja Knight 1963-12-27 460 Sonoma Pine Flat Road Comment
  UCD98756  Dysphania botrys Peter Rubtzoff 1956-9-14 2881 Sonoma Vacation Beach, near Guerneville. Comment
  SEINET1909911  Dysphania botrys Barbara Ertter 1988-1 8029 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  CAS-BOT-BC210129  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176372  Echinochloa crus-galli Peter Rubtzoff 1958-7-20 3794 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC257690  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7880 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  UCD165782  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  SEINET7062820  Eleocharis acicularis A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  CAS-BOT-BC113738  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1962-6-13 4909 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC112199  Eleocharis radicans Peter Rubtzoff 1954-7-29 1611 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC112197  Eleocharis radicans Peter Rubtzoff 1970-7-17 6288 Sonoma 5 mi north of Dears Point. Comment
  CAS-BOT-BC113673  Eleocharis tenuis var. tenuis Sturgeon 1956-7-3 s.n. Sonoma Near Occidental (Sturgeon's Mill ?) Comment
  CAS-BOT-BC203712  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1150 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203714  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-11 1251 Sonoma South slope sof Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203715  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-10 1229 B Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UCD160893  Elymus glaucus subsp. virescens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3286 a Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC235230  Elymus multisetus G. DeNevers 1981-7-1 1723 Sonoma Pepperwood Ranch. On the slope W of the Goat Pen in the Garrison Canyon Comment
  UCD84285  Epilobium Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCR255660  Epilobium Greg de Nevers 1998-4-28 11208 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  CAS-BOT-BC368082  Epilobium Greg de Nevers 1998-4-28 11208 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  UCD167418  Epilobium campestre Peter Rubtzoff 1962-6-21 4940 Sonoma Laguna de Santa Rosa NE of Graton, E of Laguna Road. Comment
  CAS-BOT-BC268081  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-6-6 1462 Sonoma Guerneville Marsh. Comment
  UCD158775  Epilobium ciliatum subsp. watsonii James A. Neilson Jr. 1974-7-10 2814 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-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
  UC1301103  Epilobium minutum Helen K. Sharsmith 1963-5-25 5486 Sonoma near Occidental; San Francisco Bay Region, Occidental Grade 152 Comment
  JEPS82530  Epipactis gigantea Roger Raiche 1984-5-19 40162 Sonoma n Cazadero; The Cedars, headwaters of Big Austin Creek 243 Comment
Read comments
Oct 16 2007
  UC4499  Epipactis gigantea W. A. Setchell 1897-6-10 Sonoma Cazadero Comment
  CAS-BOT-BC173546  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164678  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  RSA790975  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC57128  Equisetum X ferrissii Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC210088  Equisetum hyemale subsp. affine Peter Rubtzoff 1959-6-20 4184 Sonoma Willow Creek Marsh. Comment
  RSA784476  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  SEINET6032328  Equisetum hyemale var. affine P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay, Bodega Head Comment
  CAS-BOT-BC57814  Equisetum laevigatum Dorothy Scherer 1996-4-8 022 Sonoma Kolmer Gulch, w. of Hwy 1, ca. 100' from ocean, Fort Ross State Historic Park. 0 Comment
  CAS-BOT-BC57655  Equisetum telmateia Dorothy Scherer 1996-3-16 006 Sonoma West of Hwy 1 and south side of Kolmer Gulch, Fort Ross State Historic Park 10 Comment
  SEINET10807148  Eragrostis curvula P. Rubtzoff 1971-8-23 Rubtzoff 6653 Sonoma Meacham Road, 0.35 miles S of Stony Point Road Comment
  CAS-BOT-BC182756  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1956-9-21 2937 Sonoma Vacation Beach, near Guerneville. Comment
  RSA785230  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  CAS-BOT-BC164039  Erechtites minimus Peter Rubtzoff 1951-8-25 668 Sonoma Forested hills southeast of Guerneville. Comment
  CAS-BOT-BC131608  Ericameria arborescens Edw. L. Greene 1888-8-31 s.n. Sonoma Petrified Forest Comment
  JEPS19225  Ericameria arborescens Willis L. Jepson 1893-9-23 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena 914 Comment
  JEPS19249  Ericameria arborescens W. T. Mooney 1915-9-1 Sonoma Petaluma Comment
  CAS-BOT-BC293372  Erigeron Greg de Nevers 1996-7-17 10855 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Oak Hill Ranch 487 Comment
  UC31491  Erigeron biolettii J. Burtt Davy 1896-7-22 4147 Sonoma below Guerneville (on rocks); Russian River Comment
  CAS-BOT-BC295124  Erigeron glaucus A. A. Heller; H. E. Brown 1902-5-27 5609 Sonoma Bodega Bay on Sand Hills Comment
  CAS-BOT-BC295125  Erigeron glaucus Walter Knight; Irja Knight 1963-8-13 169 Sonoma Horseshoe Cove Comment
  UC1557906  Erigeron glaucus J. Semple, S. Heard 1986-8-20 8571 Sonoma CA-1, between Jenner and Bodega Bay (edge of bluffs) Comment
  UC31486  Erigeron glaucus Harley P. Chandler 1900-5-25 690 Sonoma Bodega Bay Comment
  UCD132009  Erigeron glaucus Charles B. Heiser Jr. 1946-8-17 1832 Sonoma Jenner. Comment
  CAS-BOT-BC295131  Erigeron greenei John Thomas Howell 1936-7-26 12669 Sonoma Between Occidental and Graton Comment
  UC2031714  Erigeron greenei Sherry Adams 2011-7-15 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 1400' E of confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch Comment
  CAS-BOT-BC300251  Erigeron reductus var. angustatus Roger Raiche 1985-6-30 50565 Sonoma Unnamed ridge on west side of Dry Creek Valley, north of Crane Creek, and south of Bradford Mt. Comment
  JEPS82262  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  UC6345  Eriogonum latifolium Harley P. Chandler 1900-5-25 699 Sonoma Bodega Bay Comment
  CAS-BOT-BC259263  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma Two miles north of Bodega Bay Comment
  RSA29503  Eriogonum latifolium E. K. Balls, Percy C. Everett 1953-10-9 18598 Sonoma 0.5 mi. n.w. of Salmon Creek, Hwy 1, between Bodega Bay and Jenner. Comment
  SD22296  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma Marine bluff, 4 miles north of Bodega Bay 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
  OBI11030  Eriogonum luteolum Robert F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade, road near Occidental Comment
  UCR44934  Eriogonum nervulosum L. F. LaPre 1985-6-7 s.n. Sonoma The Cedars, 6.5 mi NW of Cazadero near Layton, Chromite Mine, upper Austin Creek 413 Comment
  CAS-BOT-BC261684  Eriogonum nudum var. nudum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC261685  Eriogonum nudum var. nudum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  CAS-BOT-BC261691  Eriogonum nudum var. nudum Greg de Nevers 1990-7-24 9680 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC261696  Eriogonum nudum var. nudum Peter Rubtzoff 1951-8-26 676 Sonoma South of Guerneville (Neeley Hill area) Comment
  UCD100590  Eriogonum nudum var. nudum Frederica Bowcutt 1994-6-24 1898 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/2 way from bald Mountain Trail to Headwaters Trail. 566 Comment
  SBBG32275  Eriogonum vimineum L. S. Rose 1955-7-11 Sonoma 2 mi E of Occidental 243 Comment
  CAS-BOT-BC262387  Eriogonum vimineum G. DeNevers 1981-9-12 1838 Sonoma Pepperwood Ranch. Crest of Franz Valley Road Comment
  CAS-BOT-BC262389  Eriogonum vimineum G. DeNevers 1981-5-23 1268 Sonoma Pepperwood Ranch. Along Franz Valley Road. Bottom of Road on SW side Comment
  UCD131466  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1994-6-25 1919 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/4 mi. from Gray Pine Trail. 670 Comment
  SEINET5781672 Image available Eriophyllum lanatum Marcus E. Jones 1882-1 2773 Sonoma Duncan's Mills Comment
  CAS-BOT-BC301158  Eriophyllum lanatum var. achilleoides Peter Rubtzoff 1952-6-1 1131 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  CAS-BOT-BC301160  Eriophyllum lanatum var. achilleoides G. DeNevers 1981-5-23 1258 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC301278  Eriophyllum lanatum var. arachnoideum A. A. Heller; H. E. Brown 1902-4-11 5262 Sonoma Bodega Bay Comment
  CAS-BOT-BC301283  Eriophyllum lanatum var. arachnoideum G. DeNevers 1981-4-25 825 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  POM66821  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan[s] Mills. Comment
Read comments
Jun 19 2012
  CAS-BOT-BC301290  Eriophyllum lanatum var. arachnoideum Dorothy Scherer 1996-6-3 051 Sonoma Fort Ross Rd. ca 2/3 mi. west of Seaview Rd. Fort Ross State Historic Park 426 Comment
  CAS-BOT-BC302016  Eriophyllum staechadifolium John Thomas Howell 1930-6-8 5280 Sonoma 8.5 miles n. of Bodega Bay Comment
  UCD132259  Eriophyllum staechadifolium Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 0 Comment
  UCD103019  Erodium botrys Frederica Bowcutt 1994-5-1 1796 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek about 150 yards, 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge Campground. 350 Comment
  HSC8466  Erodium botrys D. Sutherland, A. Sylvester, R. Spellenberg 1343 Sonoma Road along Sulphur Creek, about 7 mi. W of the Big Geysers Comment
  HSC8505  Erodium brachycarpum F. Demostene 1966-4-5 29 Sonoma 1 mi. W of Healdsburg Comment
  RSA44517  Erodium brachycarpum L. S. Rose 1949-4-6 49025 Sonoma Western outskirts of Sonoma. 30 Comment
  CDA34797  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UC1365627  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1958-7-19 3769 Sonoma e. Sebastopol (Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  CDA20458  Eryngium armatum P. Lane 2003-7-25 PDR P 092137 Sonoma Northwestern California; 1301 Ferguson Rd, Sebastopol. 0 Comment
  POM287755  Eryngium armatum Lyman Benson 1930-6-18 2166 Sonoma South of Santa Rosa. 61 Comment
  SEINET8370236  Erythranthe microphylla 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
  SEINET10953574  Erythranthe nasuta H. T. Edwards Edwards s.n. Sonoma Knights Valley Comment
  SD254492  Erythronium californicum Ann Howald 2015-4-1 3314 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd., 14.7 miles west of intersection with Rockpile Rd., Wolf Creek drainage. 99 Comment
  SEINET12044880  Erythronium helenae E. I. Applegate 1934-1 8855 Sonoma headwaters of Sulpher Creek, opposite Old Sonoma quicksiver mine 610 Comment
  UC1126388  Eschscholzia caespitosa E. Armstrong 1934-3-26 922 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle 91 Comment
  CAS-BOT-BC403694  Eschscholzia californica David D. Keck; J. Clausen 1935-6-15 3374 Sonoma 1 mi. N. of Salmon Creek Comment
  CAS-BOT-BC403695  Eschscholzia californica J. Clausen 1935-5-24 1096 Sonoma 6.5 mi. S. of Jenner, on the Bodega road Comment
  CAS-BOT-BC403702  Eschscholzia californica Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  SD40084  Eschscholzia californica Edith A. Purer 1932-7-24 4077 Sonoma Bodega Bay. Comment
  SEINET12091844  Eschscholzia californica var. maritima F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -146 Sonoma between Salmon Creek & Cormet at junction of Coleman Valley Road & CA 1 12 Comment
  CAS-BOT-BC202767  Euonymus occidentalis V. Rattan 1877-6-14 s.n. Sonoma Guerneville, Russian River Comment
  CAS-BOT-BC202769  Euonymus occidentalis Milo S. Baker 1929-1-2 3382 a Sonoma Mill Creek near Cooper's Ranch Comment
  RSA0020337  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 mi east of Guerneville, at 9981 Old River Road. Comment
  CDA43444  Euphorbia exigua Peter Warner 2015-5-29 PDR# MVAP 06369508 Sonoma Sonoma Coast State Beach, Willow Creek portion. On the ridge between Willow and Freezeout Creeks. Comment
  CDA14897  Euphorbia oblongata M. Vernon 1986-6-13 Sonoma SW corner of Bodega Avenue and Bantam Way, Petaluma. 0 Comment
  RSA155644  Euthamia occidentalis L. S. Rose 1960-9-14 60094 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  CAS-BOT-BC239721  Fabaceae Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 mile north of Cazadero Comment
  CAS-BOT-BC239726  Fabaceae Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC262980  Fabaceae Peter Rubtzoff 1965-9-5 5642 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC418825  Fagopyrum esculentum H. K. Wagnon 1988-8-8 1797 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive 67 Comment
  UCR255032  Festuca Greg de Nevers 1989-1 9068 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA785887  Festuca Peter Rubtzoff 1975-6-4 8034 Sonoma U.C. Blodgett Forest Research Station: County Road, 0.6 mi E of Main Station entrance. 1351 Comment
Read comments
Nov 3 2014
  UC1011031  Festuca californica Virginia Bufford 1936-5-1 161 Sonoma Larkspur Rock Bodega Canyon Comment
  UCD66268  Festuca roemeri P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  CAS-BOT-BC279079  Festuca rubra John Thomas Howell 1944-5-14 19485 Sonoma Between Petaluma and Chileno Valley Comment
  JEPS41089  Festuca rubra Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9113 Sonoma between 1 and 1.25 mi due w Napa County line (along the Franz Valley School road) 219 Comment
  JEPS45826  Festuca rubra Eleanor Armstrong 1932-5-25 177 Sonoma 0.5 mi s Camp Meeker 121 Comment
  CAS-BOT-BC279077  Festuca rubra Peter Rubtzoff 1951-6-7 142 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC354074  Filago Peter Rubtzoff; H. A. Froebe 1971-5-30 6480 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC354075  Filago Peter Rubtzoff 1971-6-5 6520 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC457576  Fragaria vesca subsp. californica Peter Rubtzoff 1963-5-26 5138 Sonoma Bennett Mountain Lake, Sonoma County Marshes Comment
  CAS-BOT-BC53279  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the westsern branch of the Upper Marsh Comment
  UCD99585  Frankenia salina P. G. Connors 1991-6-17 164 Sonoma Bodega Marine Laboratory. Near jaumea. Comment
  CAS-BOT-BC218578  Fraxinus latifolia J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield Comment
  CAS-BOT-BC218583  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  UCD122047  Fraxinus latifolia Frederica Bowcutt 1994-5-1 1777 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek bout 150 yards, 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  JEPS61916  Fritillaria liliacea Vina Krager 1924-3-1 Sonoma Bodega Comment
  CAS-BOT-BC376341  Galium andrewsii Greg de Nevers 1998-6-10 11283 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  RSA44297  Galium andrewsii E. Z. Lovegrove 1946-4-28 s.n. Sonoma Mt St Helena. Comment
  RSA264748  Galium aparine Peter Rubtzoff 1964-7-29 5439 Sonoma Brooks Gulch Marsh. Comment
  UC28160  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hood Peak Comment
  UC353828  Galium divaricatum Milo S. Baker 1927-5-7 2127 Sonoma slope above Maple Glen; Mt. Hood Region Comment
  UCR255647  Galium murale Greg de Nevers 1993-3-30 10338 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  JEPS52836  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-10-26 3945 Sonoma on Skaggs Springs rd 1/2 mi w Annapolis turn-off 50 Comment
  SEINET12327833  Galium nuttallii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -168 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UCD121825  Galium nuttallii M. Barbour 1970-11-30 s.n. Sonoma Bodega Marine Station. Comment
  SEINET7067274  Galium parisiense A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  POM367848  Galium parisiense Christopher Davidson 1977-6-20 6039 Sonoma Ca 30 miles W of Geyserville on Stewart's Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 Comment
  UCD121861  Galium parisiense Frederica Bowcutt 1996-5-19 2124 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Lower Bald Mountain Trail. 426 Comment
  POM118792  Galium porrigens Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCD55074  Galium porrigens Ellen Dean; Tammie Beyerl 2006-4-28 3018 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UC480618  Galium porrigens var. porrigens Carl Meyer 1928-3-3 307 Sonoma Santa Rosa Comment
  RSA264751  Galium trifidum Peter Rubtzoff 1958-7-5 3746 Sonoma Atascadero Creek Marsh. Comment
  OBI35972  Galium triflorum David J. Keil 1983-6-29 17198 Sonoma Ca 10 mi SE of Ft Ross along hwy 1 Comment
  CAS-BOT-BC303506  Gamochaeta ustulata David D. Keck; J. Clausen 1935-6-15 3370 Sonoma 1 mile N of Salmon Creek, N of mouth of Salmon Creek Comment
  CAS-BOT-BC303501  Gamochaeta ustulata Peter Rubtzoff 1951-7-14 453 Sonoma Pitkin Marsh, near Forestville. Between the upper and the lower marshes 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
  CDA10948  Garrya elliptica G. F. Hrusa, G. L. Stebbins 1994-3-28 11706 Sonoma North Coast Biodiversity Arena; Fisk Mill Parking area, Salt Point State Park. 7 Comment
  UC486540  Garrya elliptica Mrs. G. Earle Kelly 1932-7-13 Sonoma Stewart Point Comment
  UCD121104  Garrya elliptica Mary M. Hektner 1975-6-3 204 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1122675  Garrya flavescens J. B. Spring 1932-7-7 98 Sonoma 2/5 mi sw Veeder Mountain; Napa Quad. 609 Comment
  CAS-BOT-BC320464  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh. Comment
  UC903724  Gastridium ventricosum Milo S. Baker 1947-5-7 11746 Sonoma sw slope Hood Mt. (above Baker Ranch); sw slope of Hood Mt. 213 Comment
  UCD105714  Genista monspessulana Frederica Bowcutt; Kate Mawdsley 1996-3-24 2093 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/4 air miles SW of Red Mountain. Just E of Goodspeed Trailhead, along Adobe Canyon Road immed. N of road, just S of Sonoma Creek. 243 Comment
  RSA98558  Gentiana sceptrum G. Thomas Robbins 1938-6-23 268 Sonoma On Pitkin Ranch, Vine Hill region, ca. ten miles west of Santa Rosa. Comment
  RSA0026778  Geranium carolinianum Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  UC424819  Geranium dissectum Milo S. Baker 1930-4-15 3951 Sonoma Mouth of Salmon Creek Comment
  UCSB50217  Geranium dissectum Gray, John 1976-5-1 Sonoma Bluff above Blind Beach; 1/2mile west of Highway 1; T7N RllW 60 Comment
  UC867472  Geranium molle Milo S. Baker 1935-5-12 8037 Sonoma 1 mi e Bodega Bay (near highway at Larkspur Rock) Comment
  UCD55068  Geranium purpureum Ellen Dean; Tammie Beyerl 2006-4-28 3012 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  RSA74043  Gilia capitata Anonymous 1947-5-30 11776 Sonoma ca 2 mi NE of Occidental along Harrison grade Comment
  UC1299523  Gilia capitata subsp. capitata Freed W. Hoffman 1946-6-14 595 Sonoma Wild Hog Ridge North Coast Ranges, Mill Creek, Palmer Creek branch (headwaters Mill Creek, Palmer Creek branch) Comment
  CAS-BOT-BC225279  Gilia capitata subsp. chamissonis Peter Rubtzoff 1960-5-18 4384 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC225282  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay Comment
  POM65744  Gilia capitata subsp. chamissonis A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. Comment
  RSA83126  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma Near Hwy 1, 11 miles north of Bodega Comment
  SD60184  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay. Comment
  CAS-BOT-BC226166  Gilia capitata subsp. tomentosa Alice Eastwood 1915-6-29 4826 Sonoma Bodega Point Comment
  CHSC23105  Gilia tricolor Robert A. Schlising 1962-3-31 2119 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UCD117977  Gilia tricolor subsp. tricolor Christine Lee 1993-4-24 106 Sonoma about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, about 2.5 air miles north of Kenwood, about 18 air miles NW of Napa. N of Sonoma Creek about 25 meters. 396 Comment
  SEINET10464458  Githopsis diffusa subsp. robusta Michener 1892-5-30 MICHENER 1411 Sonoma Comment
  JEPS128197  Githopsis specularioides Roger Raiche 2000-5-4 075 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC435014  Glinus lotoides Peter Rubtzoff 1966-9-25 5825 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. 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-BC227653  Glyceria Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  SEINET10717790  Glyceria P. Rubtzoff 1964-5-30 Rubtzoff 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  SEINET10817021  Glyceria P. Rubtzoff 1964-6-24 Rubtzoff 5379 Sonoma Coleman Marsh. Comment
  SEINET10849959  Glyceria P. Rubtzoff, Arnaud, P. 1966-5-7 Rubtzoff 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  UCD166292  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  CAS-BOT-BC282814  Glyceria leptostachya Peter Rubtzoff 1953-5-31 1422 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC282815  Glyceria leptostachya Peter Rubtzoff 1957-5-26 3357 Sonoma Occidental Marsh Comment
  RSA786496  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  RSA94607  Glyceria leptostachya Peter Rubtzoff 1951-6-9 187 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC303853  Gnaphalium F. G. Krauss 1893-10-4 s.n. Sonoma Krauss Ranch, 5 miles W of Calistoga Comment
  CAS-BOT-BC166779  Gnaphalium chilense Peter Rubtzoff 1955-8-20 2061 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC166748  Gnaphalium chilense Peter Rubtzoff 1963-9-28 5281 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC176150  Gnaphalium chilense Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC166782  Gnaphalium palustre Peter Rubtzoff 1969-10-29 6202 Sonoma River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC166708  Gnaphalium purpureum Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC251226  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC261653  Gratiola Peter Rubtzoff 1967-7-30 5846 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC251303  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  RSA785928  Grindelia Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  UCR279646  Grindelia camporum Peter Rubtzoff 1963-8-17 5225 Sonoma Along Petaluma River, just east of Petaluma 5 Comment
  CAS-BOT-BC305201  Grindelia hirsutula D. E. Breedlove 1980-6-28 44811 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC305192  Grindelia hirsutula Walter Knight; Irja Knight; Tiffany Knight 1985-7-21 6349 Sonoma Pine Flat Road. Between Jimtown and Geothermal area Comment
  UCSB50242  Grindelia hirsutula Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11N 15 Comment
  UCR50519  Grindelia nana L. F. LaPre, K. Campbell 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
Read comments
Aug 29 2007
  UC38766  Hainardia cylindrica Mr. Leckenby June 1896 Sonoma Petaluma Comment
  CAS-BOT-BC306767  Helenium bigelovii John Thomas Howell; J. W. Stacey 1936-7-26 12684 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC306769  Helenium bigelovii Peter Rubtzoff 1951-6-7 114 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC262951  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC262956  Helenium puberulum Peter Rubtzoff 1962-7-28 5003 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  RSA800484  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  SEINET11841730  Helenium puberulum W. Knight, Knight, I. 1983-1 4717 Sonoma Sonoma Mountain Rd #2 at former Jack London property at Old Wake Robin Lodge site Comment
  UC897266  Helianthella californica subsp. californica Lewis S. Rose 1940-5-6 40261 Sonoma 4 mi e Santa Rosa; Rincon Ridge 304 Comment
  CAS-BOT-BC305582  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  SEINET1782495  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Russian river at Healdsburg. Comment
  CAS-BOT-BC305967  Helminthotheca echioides Leonore Bravo 1982-9-12 s.n. Sonoma On road to Armstrong Grove, Guerneville 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
  UCD166302  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. 17 Comment
  CAS-BOT-BC268068  Hemizonia Peter Rubtzoff 1971-9-30 6710 Sonoma Laguna, Chileno Valley. Comment
  UCD166299  Hemizonia Peter Rubtzoff 1966-6-5 5753 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD166494  Hemizonia Peter Rubtzoff 1964-8-26 5491 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road. 213 Comment
  UC990601  Hemizonia congesta James I. McMurphy 1909-8-9 711 Sonoma between Sonoma and Petaluma; Sonoma Comment
  POM360350  Hemizonia congesta L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  SDSU4568  Hemizonia congesta subsp. clevelandii D. F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  CAS-BOT-BC306221  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-5-19 2513 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306226  Hemizonia congesta subsp. congesta John Thomas Howell; J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC306234  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  CAS-BOT-BC306235  Hemizonia congesta subsp. congesta Peter Rubtzoff 1951-6-17 266 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  UC193422  Hemizonia congesta subsp. congesta H. M. Hall 1916-6-23 10241 Sonoma twelve km n Petaluma Comment
  CDA6572  Hemizonia congesta subsp. congesta T. C. Fuller 1966-6-2 14853 Sonoma Road to Petaluma, 1 mile east of Valley Ford. 0 Comment
  UCD132982  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-25 1037 Sonoma approximately 1/4 mile north of Arata Lane and between Hwy 101 and Old Redwood Highway. Comment
  CAS-BOT-BC309703  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-9 710 Sonoma Hills between Sonoma & Petaluma Comment
  CAS-BOT-BC309711  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 miles south of Jenner, on the Bodega road Comment
  CAS-BOT-BC309716  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 miles north of Bodega Bay Comment
  JEPS86293  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1989-6-6 1019 Sonoma n side of intersection of Facindini Ln. and Occidental Road Comment
  UC990603  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-7-10 504 Sonoma 4 mi nw Cloverdale; Boonville Comment
  CAS-BOT-BC309667  Hemizonia congesta subsp. lutescens J. McMurphy 1909-7-10 504 Sonoma 4 miles north of Cloverdale Comment
  CAS-BOT-BC309669  Hemizonia congesta subsp. lutescens Bruce G. Baldwin 1986-10-29 645 Sonoma 0.3 miles south of junction with State Highway 116 along Lakeville Road Comment
  UC194216  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-24 10251 Sonoma 12 km on road to San Rafael; Petaluma Comment
  CDA30997  Hemizonia congesta subsp. luzulifolia D. G. Kelch, Troy McGregor 2010-8-22 10 .352 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC990626  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 Sonoma valley across hills from Petaluma 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-BC309943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12098 Sonoma East side of Russian River between Ukiah and Hopland Comment
  CAS-BOT-BC309958  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-8-29 185 Sonoma Casa Grande Road, Petaluma Comment
  CAS-BOT-BC309960  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CDA7023  Hemizonia congesta subsp. luzulifolia T. C. Fuller 1961-10-13 7109 Sonoma Highway 101, 2 miles south of Asti. 0 Comment
  RSA0015419  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  SD53366  Hemizonia congesta subsp. luzulifolia Darley F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of Highway 101. Comment
  UCD132141  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1994-7-5 1940 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. Adobe Canyon N of Sonoma Creek, W of Bear Creek along Goodspeed Trail just as the vegetation shifts from mixed evergreen forest to serpentine chaparral. 536 Comment
  POM215135  Hemizonia fitchii D. D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville. Comment
  RSA293431  Hemizonia lutescens Reino Alava 1958-5-24 2061 Sonoma About 4 miles east of Occidental Comment
  RSA81605  Hemizonia lutescens James I. McMurphy 1909-8-9 711 Sonoma Hills between Sonoma and Petaluma. Comment
  RSA81620  Hemizonia lutescens James I. McMurphy 1909-7-10 504 Sonoma Rocky point 4 miles NW of Cloverdale on road to Boonville. Comment
  RSA81611  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-8-8 705 Sonoma Near Kenwood. Comment
  RSA0028848  Hemizonia multicaulis subsp. vernalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCR256284  Hesperevax sparsiflora Peter Rubtzoff 1974-5-26 7490 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UC31907  Hesperevax sparsiflora var. sparsiflora Alice King 1897-6-1 Sonoma Healdsburg Comment
  HSC92190  Hesperocyparis pygmaea A. T. Austin 1991-5-17 Sonoma Salt Point State Park Comment
  UC1212389  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-23 4166 Sonoma 12.2 mi w Skaggs Springs (Stewarts Point road); Inner North Coast Ranges 579 Comment
  SEINET10460647  Heterocodon rariflorum P. Rubtzoff 1963-5-26 Rubtzoff 5133 Sonoma BENNETT MTN LAKE, VERNALLY WET PARTIALLY SHADED GROUND Comment
  RSA0045175  Heterotheca oregona Greg de Nevers 1996-10-20 10890 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. 91 Comment
  RSA0075934  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  RSA0075935  Heterotheca oregona Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 mi SW of the Russian River bridge in Hacienda. Comment
  CAS-BOT-BC311061  Heterotheca oregona var. oregona John Thomas Howell 1926-11-14 2252 Sonoma Between Rincon Valley and Santa Rosa Comment
  SBBG2695  Heuchera pilosissima H. and M. Dearing 1939-5-14 3368 Sonoma N of Fort Ross 91 Comment
  SEINET195012  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near S end of Bodega Bay Comment
  UCD160864  Hieracium albiflorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3299 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET9362826  Hieracium albiflorum Unknown 1995-6-8 2825 Sonoma 7 mi NW of Calistoga. Madrone-Douglas Fir-Quercus-Rhus assoc. Rdside rubble Botany 102, Botany Department, University of California, Davis. Comment
  NY11969  Hoita villosa A. A. Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  RSA144370  Holcus lanatus Roxana S. Ferris, Laura Lorraine 1961-6-14 13543 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UC573681  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 mi se Forestville (<Pitkin Marsh>); Sebastopol Quad. Comment
  UCD84957  Holcus lanatus David L. Morgan 1958-8-6 s.n. Sonoma Just SE of Valley Ford city limits. Comment
  UCD84887  Holcus mollis Terri Williamson 1990-5-20 63 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  JEPS128300  Holodiscus discolor Roger Raiche 2010-6-16 020 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD158726  Holodiscus discolor var. discolor Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns.Along Big Sulpher Creek. Ca.1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  CDA10938  Holozonia filipes G. F. Hrusa 1994-6-14 11888 Sonoma North Coast Biodiversity Arena; W of Hogback Mtn. Nathanson Creek, immediately below private dam, approximately 1.5 miles above end of Gehricke Rd. Comment
  RSA144393  Hordeum brachyantherum subsp. californicum Roxana S. Ferris, Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD85528  Hordeum brachyantherum subsp. californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile E of Occidental. Comment
  CAS-BOT-BC285183  Hordeum marinum subsp. gussoneanum John Thomas Howell; Walter Knight; Irja Knight 1988-5-21 6226 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC285190  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
  POM205105  Hordeum murinum subsp. glaucum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  CAS-BOT-BC282021  Hordeum murinum subsp. leporinum Peter Rubtzoff 1960-5-22 4400 Sonoma Laguna de Santa Rosa area E of Graton (between Occidental and Guerneville Rds) Comment
  CDA36853  Hordeum murinum subsp. leporinum 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
  UCD86226  Hordeum murinum subsp. leporinum Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-21 44 A Sonoma Unit 2 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  POM225967  Horkelia californica Philip A. Munz 1936-8-7 14309 Sonoma 6 miles N of Bodega. Comment
  UC424868  Horkelia californica subsp. dissita Milo S. Baker 1930-5-31 4150 Sonoma e Heldsburg (beyond Brattie's); Russian River Comment
  UC75491  Horkelia tenuiloba Milo S. Baker May 1899 Sonoma near the Laguna (Forestville Rd); Forestville Comment
  SD186197  Hosackia gracilis G. F. Pratt, C. Pierce 2003-5-15 Sonoma Salt Point State Park. 29 Comment
  UCD106023  Hosackia gracilis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  SEINET957970  Hosackia oblongifolia L. S. Rose 1962-1 62062 Sonoma 1 mi. NW of Freestone. 76 Comment
  JEPS117115  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mark, ~ 2.53 km, E 143 deg. S of Forestville, in marshy area along W side of highway. Comment
  CAS-BOT-BC293672  Hypericum Peter Rubtzoff 1969-7-21 6115 Sonoma Guerneville Marsh, Pocket Canyon area. 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
  UCD53888  Hypericum calycinum Dorothy Kleinschmidt 2005-9-4 s.n. Sonoma Santa Rosa. Comment
  UC1084463  Hypericum concinnum G. Thomas Robbins 1937-6-5 227 Sonoma roadside near Graton (Vine Hill region); Vine Hill region Comment
  UC1299211  Hypericum concinnum Freed W. Hoffman 1947-5-30 525 Sonoma Layton Mine North Coast Ranges, Austin Creek, Layton Mine Comment
  UCD110355  Hypericum concinnum Frederica Bowcutt 1994-6-24 1884 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. 396 Comment
  CAS-BOT-BC401291  Hypericum perforatum Peter Rubtzoff 1962-6-22 4958 Sonoma Fife Creek Marsh Comment
  SEINET11993496  Hypericum perforatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -154 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 80 Comment
  RSA0009747  Hypochaeris glabra Marcus E. Jones 1931-7-5 29093 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC316714  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC316715  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA135812  Iris fernaldii E. K. Balls 1957-5-27 22620 Sonoma Mt. St. Helena, 7.5 miles south of Lake-Sonoma County line 335 Comment
  RSA135874  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17110 Sonoma 4.4 miles northwest from Mark West Springs, on road to Kellogg 107 Comment
  RSA137361  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17107 Sonoma To Mark West Springs and Santa Rosa to Kellogg and Petrified Forest 76 Comment
  UC905118  Iris fernaldii Milo S. Baker 1947-4-22 11702 Sonoma n of Kenwood (Gray Ranch, above ranch buildings) Comment
  CAS-BOT-BC133678  Iris longipetala Peter Rubtzoff 1962-6-19 4925 Sonoma Occidental Marsh Comment
  CAS-BOT-BC173541  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichan Road 426 Comment
  UCD150851  Isoetes nuttallii Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC112417  Isolepis carinata Peter Rubtzoff; Hans A. Froebe 1971-5-30 6485 Sonoma Dry bed of vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  UCD150848  Isolepis carinata Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  SD134069  Isolepis carinata Peter Rubtzoff 1963-5-26 5140 Sonoma Bennett Mountain Lake, vernally wet, partially shaded ground. Comment
  SEINET7589075 Image available Isolepis carinata John Thomas Howell 1937-6-6 13027 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC112572  Isolepis cernua Peter Rubtzoff 1954-8-10 1678 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC340224  Jaumea carnosa Peter Rubtzoff 1955-8-20 2077 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC340225  Jaumea carnosa Peter Rubtzoff 1962-7-14 5001 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC340231  Jaumea carnosa J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC251221  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  UCD110264  Juglans hindsii Botany 102 students 1993-4-24 81 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 NW of Napa. S of Sonoma Creek near beginning of Hillside Trail. 381 Comment
  CAS-BOT-BC164647  Juncus Peter Rubtzoff 1964-7-29 5457 Sonoma Duncans Mills Marsh. Comment
  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-BC322125  Juncus arcticus Peter Rubtzoff 1963-6-6 5170 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC164383  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6225 Sonoma Sonoma: Five miles north of Sears Point Comment
  SEINET6744751 Image available Juncus bolanderi Marcus E. Jones 1882-1 3523 Sonoma Duncan's Mills Comment
  SD99417  Juncus bolanderi Christopher Davidson 1977-6-20 6024 Sonoma Dry Creek Road, 11.9 miles west of Geyserville. Gravel bar in Warm Springs Creek. 136 Comment
  UCD141366  Juncus bufonius Frederica Bowcutt 1994-5-21 1840 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood and 18 air miles NW of Napa. On Hillside Trail 1 mile from junction with Grey Pine Trail. Comment
  CAS-BOT-BC210059  Juncus effusus Peter Rubtzoff 1964-7-29 5454 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC164037  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-7-23 6607 Sonoma Sonoma: Laguna, Chileno Valley Comment
  UCD141504  Juncus effusus subsp. pacificus Frederica Bowcutt 1984-6-23 427 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. Immediately SW of park entrance, West of Highway 1 and NW of Gerstle Cove along park road. 30 Comment
  CAS-BOT-BC157998  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh Comment
  UCD167435  Juncus hesperius Peter Rubtzoff 1955-8-20 2089 Sonoma Bodega Harbor Marsh. Comment
  UCR244633  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC290569  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  UCD141578  Juncus lescurii Terri Williamson 1990-5-20 64 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  UCD67349  Juncus lescurii B. Rodeheaver 1973-5-12 43 Sonoma Bodega Head, W of Bodega Marine Lab dormitories. Near sand dunes. Comment
  SEINET3880603  Juncus oxymeris M. L. Conrad, Dunn; LeDoux 1973-6-9 7081 Sonoma 0.6 mile west of Sonoma-Napa County Line on Hwy. 121.; 0 61 Comment
  UCD164186  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC166803  Juncus phaeocephalus var. paniculatus Peter Rubtzoff; Nancy Harrison 1978-6-11 9207 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley Comment
  JEPS67064  Juncus phaeocephalus var. paniculatus W. L. Jepson 1921-6-2 9304 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  JEPS121418  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains Comment
  CAS-BOT-BC488338  Keckiella corymbosa James A. Neilson, Jr. 1974-7-10 2824 Sonoma Mayacmas Mountains, W of Cobb Mountain, along road to PG&E geothermal units 9 and 10, eastern Sonoma Co. 960 Comment
  RSA45356  Keckiella corymbosa R. C. Bacigalupi 1947-8-17 2850 Sonoma On dirt road just above and east of Cazadero, (County road to Guernewood Park), in canyon of Austin Creek. Comment
  UC173145  Keckiella corymbosa unknown Jul 1885 Sonoma near Cloverdale Comment
  JEPS45811  Koeleria macrantha Eleanor Armstrong 1932-5-23 170 Sonoma 5 mi nw Santa Rosa (near Mark West); nw of Santa Rosa 137 Comment
  UC1011011  Koeleria macrantha Virginia Bufford 1936-5-20 334 Sonoma Kellogg-Mark West Rd 3 mi from Kellogg Comment
  UCD160309  Koeleria macrantha James A. Neilson Jr. 1975-5-23 3218 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC340487  Lactuca saligna Walter Knight; Irja Knight 1963-8-30 184 Sonoma On Kentucky St between Prospect & Oak Sts. - Petaluma Comment
  CAS-BOT-BC274318  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  UCD63258  Lagurus ovatus P. G. Connors 1991-5-23 109 Sonoma University of California Bodega Marine Laboratory, beside Westside Rd., near Westside Park. Comment
  UCD34820  Lamarckia aurea Beecher Crampton 1963-5-27 6813 Sonoma Sonoma County, border with Mendocino County, ca. 3 - 4 miles north of Cloverdale. Comment
  CAS-BOT-BC164354  Lamiaceae Peter Rubtzoff 1954-8-11 1684 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC486687  Lamiaceae Peter Rubtzoff 1963-8-17 5230 Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC486689  Lamiaceae Peter Rubtzoff 1971-6-25 6565 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing Comment
  CAS-BOT-BC324928  Lasthenia burkei Peter Rubtzoff 1966-5-7 5716 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  SEINET11447674  Lasthenia burkei P. Rubtzoff 1974-1 Sonoma Comment
  CDA11328  Lasthenia californica G. F. Hrusa 1995-4-2 12038 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  UC726335  Lasthenia californica subsp. bakeri A. A. Heller 1938-5-14 15086 Sonoma e Bodega Bay Comment
  CAS-BOT-BC324405  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  CAS-BOT-BC324410  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-BC355523  Lasthenia glaberrima Peter Rubtzoff 1963-6-6 5166 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC355530  Lasthenia glaberrima Peter Rubtzoff 1966-4-17 5676 Sonoma Laguna de Santa Rosa, east of Gradon (between Occidental and Guerneville rds.) Comment
  UC1728263  Lasthenia glabrata subsp. glabrata Phyllis M. Faber 1998-5-1 Sonoma off Hwy 37 near Petaluma River (east side) (in disturbed area of dike removal); Sonoma baylands Comment
  JEPS117131  Lasthenia gracilis Peter Warner 2010-5-20 154 Sonoma Jenner Headlands, ~100 m W 330 deg. N of residence cabin on Willig Extension Dr., on low rock outcrop in Tank Field Comment
  UC353930  Lasthenia minor Milo S. Baker 1928-4-14 2984 Sonoma 1.5 mi n of Bay Comment
  CAS-BOT-BC164390  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  POM161246  Lathyrus littoralis Rimo Bacigalupi 1928-6-18 1897 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  UCR255451  Lathyrus palustris Ann Howald 2014-5-16 3004 Sonoma North Coast, lowest coastal terrace, c. 1.5 mi southeast of Del Mar Point 21 Comment
  RSA0060103  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 100 Comment
  UC864425  Lathyrus vestitus var. alefeldii Marcus E. Jones, A. M. 1882-7-17 3576 Sonoma Duncan's Mills Comment
  UC30599  Layia chrysanthemoides H. N. Bolander 1864-1 3902 Sonoma Mark West Comment
  UC584225 Image available Layia chrysanthemoides J. Clausen 1935-5-24 1090 Sonoma 6.2 mi s Jenner (at a little bay); ; S of Jenner, Sonoma Co. Comment
  CAS-BOT-BC323231  Layia chrysanthemoides David D. Keck 1933-5-28 2319 Sonoma 2 miles N of Sears Point Comment
  CAS-BOT-BC323236  Layia chrysanthemoides John Thomas Howell 1931-4-18 6426 Sonoma 8 miles N of Bay Comment
  POM361720  Layia chrysanthemoides J. T. Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  POM953187  Layia chrysanthemoides Ivar Tidestrom 1895-6-13 s.n. Sonoma [Unspecified] Comment
  UC89333  Layia platyglossa Alice Eastwood Sonoma Bodega Point Comment
  CAS-BOT-BC183607  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  RSA785224  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UCD166223  Lemna Peter Rubtzoff 1970-6-21 6273 Sonoma Tributary of Mark West Creek, ca. 3 mi. W of Fulton. Comment
  UCD166180  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road. Comment
  UCR255074  Lemna minor Peter Rubtzoff 1961-10-23 4783 Sonoma Laguna de Santa Rosa area northeast of Graton 20 Comment
  UC1019908  Lemna minuscula Peter Rubtzoff 1951-6-17 287 Sonoma Pitkin Marsh near Forestville; Pitkin Marsh Comment
  UCD132618  Leontodon saxatilis Frederica Bowcutt 1984-6-23 421 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles E of Fort Bragg along the Sonoma County coast. Immed. N of Gerstle Cove. W of Hwy 1. 15 Comment
  CAS-BOT-BC173651  Lepidium Peter Rubtzoff 1964-6-24 5377 Sonoma Coleman Marsh, along Salmon Creek Comment
  CAS-BOT-BC371469  Lepidium appelianum Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Highway 37. Comment
  CAS-BOT-BC89147  Lepidium didymum C. L. Hitchcock; J. S. Martin 1939-7-15 5445 Sonoma Cliffs below Bodega State Park. Comment
  RSA120850  Lepidium didymum Milo S. Baker 1957-05 13096 Sonoma Junior College Campus, only near Machine Shop Building. Santa Rosa. Comment
  RSA201201  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on hwy to Lakeville. Comment
  UCD115831  Lepidium strictum Frederica Bowcutt 1994-6-12 1843 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. ca. 20 ft.Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  JEPS88953  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  RSA262194  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point. Comment
  HSC16952  Leptosiphon androsaceus R. F. Good 1962-4-19 28 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  SEINET14160629  Leptosiphon androsaceus H. S. Yates 1934-1 3847 Sonoma 2 miles south of Mark West. Comment
  UCD118578  Leptosiphon androsaceus Erik Beever 1993-5-8 214 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. East entrance to Pony Gate Trail. 365 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
  CAS-BOT-BC226703  Leptosiphon jepsonii F. Almeda; G. DeNevers 1981-3-30 4878 Sonoma Pepperwood Ranch. Vicinity of the Bechtel Cabin Comment
  NY180565  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  RSA0001374  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  CAS-BOT-BC324190  Lessingia hololeuca J. W. Compton 1880-9-1 s.n. Sonoma Petaluma Comment
  JEPS20604  Lessingia hololeuca J. Burtt Davy 1897-9-18 4031 Sonoma between San Rafael and Petaluma Comment
  JEPS20588  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma hills se Santa Rosa Comment
  CAS-BOT-BC283530  Leymus X vancouverensis Peter Rubtzoff 1960-10-29 4583 Sonoma Bodega Harbor Marsh. Saline part of the Marsh and along dirt road Comment
  UCD92470  Leymus X vancouverensis Peter Rubtzoff 1960-10-29 4583 Sonoma Bodega Harbor Marsh. Comment
  UCD64309  Leymus condensatus P. B. Kennedy 1924-6-1 Sonoma Del Mar. Comment
  JEPS14293  Ligusticum apiifolium Rimo Bacigalupi with G. T. Robbins and Fran Chisaki 1956-4-17 5586 Sonoma on rd. between Santa Rosa and Calistoga (along Rincon Grade, n. of Rincon Valley) 213 Comment
  RSA0045174  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge. 100 Comment
  CAS-BOT-BC451698  Lilaea scilloides John Thomas Howell 1930-6-8 5238 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  IRVC1238007  Lilaea scilloides J. H. Weiler, D. Kaplan 1961-3-27 6163 Sonoma 4.4 miles north of Sears Point. Roadside ditch with running water along Highway 37. Comment
  RSA155423  Lilaea scilloides L. S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, half mile east of Cunningham. 15 Comment
  RSA176796  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  SEINET12050381  Lilium maritimum F. H. Utech 1988-1 88 -218 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  CAS-BOT-BC130692  Lilium occidentale Peter Rubtzoff 1951-6-7 133 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC130827  Lilium pardalinum John Thomas Howell 1945-5-30 20897 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC130829  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  RSA215898  Limnanthes douglasii Peter Rubtzoff 1955-5-21 1875 Sonoma Ross Marsh. Comment
  UC971870  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-14 1123 Sonoma 0.3 mi n El Verano School (open field w side of road) Comment
  RSA262357  Limnanthes douglasii subsp. douglasii Lynn Gould 1962-4-20 57 Sonoma 1 mile east of Sonoma. 24 Comment
  UC796464  Limnanthes douglasii subsp. nivea Ira L. Wiggins 1949-4-30 12064 Sonoma four mi w Calistoga Comment
  UC17903  Limnanthes striata Alice King Apr. 1897 Sonoma Healdsburg Comment
  JEPS86355  Limnanthes vinculans Jack and Betty Guggolz 1988-4-17 917 Sonoma in sw corner of a new housing development Comment
  UC1331756  Limnanthes vinculans R. Ornduff 1965-5-8 6860 Sonoma e Cunningham (nr. Llano Road); Laguna de Santa Rosa Comment
  RSA0004098  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  UC1925911  Limonium californicum Ethel Crum 1930-10-5 869 Sonoma Petaluma Marshes, Sonoma County to Rio Vista, Solano County. Comment
  CAS-BOT-BC249306  Limosella Peter Rubtzoff 1966-4-17 5675 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  RSA800125  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  RSA800892  Limosella acaulis Peter Rubtzoff 1966-4-17 5675 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC907842  Linanthus bicolor Herbert L. Mason 1943-4-16 12569 Sonoma about 10 mi above Sonoma Comment
  CAS-BOT-BC311811  Linaria Peter Rubtzoff 1962-5-25 4833 Sonoma Laguna de Santa Rosa area northwest of Graton, east of Laguna Road. Comment
  CAS-BOT-BC290635  Linum Peter Rubtzoff 1974-6-2 7522 Sonoma Upper Green Valley Marsh. Comment
  UC1076091  Lithocarpus densiflorus Herbert L. Mason 1928-4-8 4296 Sonoma 2 mi n Ft. Ross (coast) Comment
  UC1011107  Lithocarpus densiflorus Milo S. Baker 1941-8-4 8593 Sonoma 457 Comment
  UC1127213  Lithophragma affine E. Armstrong 1934-3-26 934 Sonoma 2 mi w Camp Meeker; Sebastopol Quadrangle 91 Comment
  UC75730  Lithophragma affine Miss M. Alice King May, 1897 Sonoma near Healdsburg; near Healdsburg Comment
  CAS-BOT-BC435674  Lithophragma heterophyllum Alice Eastwood 1923-5-9 11755 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC435675  Lithophragma heterophyllum Alice Eastwood 1918-5-1 6814 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC437152  Lithophragma heterophyllum Elmer I. Applegate 1934-3-25 8844 Sonoma Sausal Creek, Pine Flat road, foothills of the Cayamaca Mountains Comment
  CAS-BOT-BC376405  Livistona Greg de Nevers 1997-5-27 11009 Sonoma Santa Rosa, Peterson Lane. 45 Comment
  UC581119  Logfia filaginoides H. L. Mason 1934-4-28 8092 Sonoma Jensen's Ranch Dohrmann Creek Comment
  CAS-BOT-BC342494  Logfia gallica Barbara Keller 1990-4-30 2037 Sonoma On Coleman Valley Rd. 6 miles west of Occidental Comment
  CAS-BOT-BC342495  Logfia gallica F. Almeda; G. DeNevers 1981-4-28 4915 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  UCSC000076  Lolium multiflorum H. S. Yates 1937-5-30 6551 Sonoma 1.5 miles E. of Occidental - Sebastopol 91 Comment
  CAS-BOT-BC283293  Lolium multiflorum David L. Morgan 1961-5-17 s.n. Sonoma Watkins Ranch, 0.25 mile NW of Penngrove Comment
  JEPS81825  Lomatium californicum Edward Lee with W. A. Setchell 1936-6-8 2208 Sonoma Belvedere, Bohemian Grove Comment
  POM133383  Lomatium californicum A. A. Heller, H. E. Brown 1902-3-28 s.n. Sonoma Hills at Santa Rosa Comment
  SD58303  Lomatium caruifolium W. L. Jepson 1921-6-2 9297 Sonoma Windsor. 49 Comment
  RSA97148  Lomatium caruifolium F. W. Peirson, Mabel Peirson 1926-4-1 6548 Sonoma 6 miles south of Cloverdale Comment
  CDA326  Lomatium dasycarpum D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .271 Sonoma Cavedale Rd. Comment
  SEINET5321344  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma Occidental; 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN Comment
  UCD127043  Lomatium dasycarpum var. dasycarpum Frederica Bowcutt 1994-5-21 1803 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 2.5 air miles NE of Kenwood,. Along Meadow Trail, approx. 3/8 mile from trailhead. 1300 Comment
  RSA177956  Lomatium repostum R. F. Thorne 1965-4-20 343226 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UCD160882  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3270 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SJSU11557  Lonicera involucrata T. A. Wayne 1962-4-7 Sonoma between Bodega Bay & Salmon Cr Comment
  UC28551  Lonicera involucrata var. ledebourii J. Burtt Davy 1896-3-13 1654 Sonoma Duncan's Mills Comment
  UC28561  Lonicera involucrata var. ledebourii J. Burtt Davy 1894-6-18 Sonoma Knight's Valley Comment
  CAS-BOT-BC243996  Lonicera involucrata var. ledebourii H. E. McMinn 1922-6-6 163 Sonoma Along stream in So. Sonoma Co., S. of Occidental Comment
  CAS-BOT-BC198582  Lotus Peter Rubtzoff; Nancy Harrison 1974-9-7 7870 Sonoma Creek bed west of Commerce Blvd. crossing, Hinebaugh Creek in Rohnert Park Comment
  CAS-BOT-BC198577  Lotus C. F. L. 1890-7-1 s.n. Sonoma Bennet Valley Comment
  UCD106699  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma State Hwy 1, Fort Ross. Comment
  UCD106701  Lotus angustissimus Robert E. Preston 2000-8-2 1427 Sonoma Ca. 2.5 mi NNE of Fort Ross, Seaview. 381 Comment
  UCD35510  Lotus angustissimus Beecher Crampton 1957-7-22 4373 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  IRVC28976  Lotus formosissimus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma Salt Point State Park North Coast 30 Comment
  RSA620426  Lotus formosissimus Peter Rubtzoff 1966-4-30 5688 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  UCR44916  Lotus humistratus L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UC1277995  Lotus junceus var. biolettii B. Crampton 1957-7-22 4370 Sonoma 0.9 mi s of Stewart's Point (along State Highway 1); State Highway 1 Comment
  UC15650  Lotus micranthus Michener and Bioletti May 1892 Sonoma S. Los Guilicos Los Guilicos Comment
  RSA92945  Lotus oblongifolius var. nevadensis Elizabeth McLeod 1930-05 s.n. Sonoma Pilkin Swamps Comment
  SD62044  Lotus pedunculatus Darley F. Howe 1965-8-3 4102 Sonoma 8 miles east of Bodega Bay on Hwy 1 Comment
  UCR275251  Lotus purshianus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente 38 Comment
  UCR255053  Lotus wrangelianus Greg de Nevers 1992-5-2 10138 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  CAS-BOT-BC249321  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC290621  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD66047  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 17 -LU Sonoma Russian River upstream of Cloverdale Airport. 79 Comment
  UCR248361  Ludwigia hexapetala Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  RSA262212  Ludwigia hexapetala Peter Rubtzoff 1970-9-8 6383 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC251195  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC251194  Ludwigia palustris Peter Rubtzoff 1954-8-4 1656 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC251071  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-2 1628 Sonoma Austin Creek Marsh. Comment
  UC864980  Lupinus albifrons Alice Eastwood 1918-5-1 6829 Sonoma Mt. St. Helena Comment
  RSA0070145  Lupinus arboreus Daisie Huang 2006-5-30 06053016 Sonoma Bodega Marine Laboratory. In parking lot. 3 Comment
  UCR248891  Lupinus bicolor Peter Rubtzoff 1971-5-8 6436 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  SEINET10838181  Lupinus densiflorus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC8358  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley (label reads Anderson Valley; annotation corrects this to Alexander Valley) Comment
  SD125494  Lupinus formosus var. formosus M. L. Conrad, Dunn and Le Doux 1973-6-9 7079 Sonoma 0.6 mile west of Sonoma-Napa County Line on Highway 121. 60 Comment
Read comments
Aug 9 2012
  RSA3044  Lupinus formosus var. formosus Carl B. Wolf 1931-8-23 2345 Sonoma Along Redwood Highway, 1 mile south of Cloverdale. 91 Comment
  RSA372144  Lupinus formosus var. formosus David B. Dunn, M. L. Conrad, LeDoux 1973-6-9 20712 Sonoma 5.3 miles east of the junction of Highway 101 and Highway 116 on 116. Comment
  UCD108123  Lupinus latifolius Freed W. Hoffman 1947-4-3 886 Sonoma Road to Austin Ranch, near Guerneville. Comment
  UC155230  Lupinus microcarpus var. densiflorus Katharine Brandegee 1907-6-30 Sonoma Cliffs near Bodega Bay; Cliffs near Bodega Bay Comment
  SD88509  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-28 Sonoma North of Jenner Comment
  UC65701  Lupinus nanus A. A. Heller 1902-4-9 5233 Sonoma Healdsburg Comment
  UCD151182  Lupinus nanus James A. Neilson Jr. 1974-4-16 3064 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  SEINET5558926  Lupinus nanus H. S. Gentry 1962-1 19702 Sonoma Oakville. Comment
  HSC49398  Lupinus nanus subsp. latifolius R. York 1979-4-8 205 Sonoma Along Hwy. 128, 1 mi. N of Calistoga 366 Comment
  SEINET5500928 Image available Lupinus ruber Sally Walker 1983-6-13 Sonoma N. Bodega Highway on Joy Rd. Comment
  RSA339414  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma Kelly Road just west of its intersection with Rockpile Road 610 Comment
  SEINET10973357 Image available Lupinus sonomensis A. Arthur Heller 1940-5-17 Heller 15638 Sonoma Stiff clay on a grassy slope, 2 mi E of Shellville along the roadside. Upper Sonoran Life Zone, but no trees present here. Comment
  UCD109576  Lupinus stiversii A. S. Crafts 1935-5-15 s.n. Sonoma Exact location unknown. Comment
  SEINET13184148 Image available Lupinus succulentus A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  RSA22011  Lupinus variicolor Alice Eastwood, John T. Howell 1939-4-2 7362 A Sonoma Larkspur Rock Comment
  UCD109667  Lupinus variicolor Eric Davidson 1972-5-27 391 Sonoma near University of California's Bodega Marine Lab, Bodega Head. Comment
  CAS-BOT-BC210022  Luzula Peter Rubtzoff 1962-4-11 4793 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) Comment
  RSA177939  Luzula comosa Robert F. Thorne 1965-4-20 34337 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  UCD142103  Luzula comosa Gerry North 1993-4 11 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  RSA0015996  Lythrum hyssopifolia Peter Rubtzoff 1954-8-10 1683 Sonoma Bodega Head Marsh. Comment
  UCD164595  Madia Peter Rubtzoff 1975-8-28 8361 Sonoma Kenwood Marsh. Comment
  SDSU4684  Madia citriodora D. F. Howe 1972-6-28 4844 Sonoma 4.5 miles north of Jenner. 122 Comment
  CAS-BOT-BC344040  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CHSC107497  Madia elegans D. G. Kelch; Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. Comment
  JEPS128215  Madia exigua Roger Raiche 2000-5-4 061 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC344548  Madia exigua F. H. Utech; W. Knight; I. Knight 1986-5-17 86 -230 Sonoma End of Stoetz Road 310 Comment
  CAS-BOT-BC343470  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 6 miles east of Stewarts Point Comment
  SEINET3148102  Madia gracilis L. S. Rose 1940-5-22 40370 Sonoma Sonoma 30 Comment
  UCR244755  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC343464  Madia gracilis G. DeNevers 1981-5-5 926 Sonoma Pepperwood Ranch. W arm of Garrison Canyon Comment
  CAS-BOT-BC343465  Madia gracilis G. DeNevers 1981-5-15 1217 Sonoma Pepperwood Ranch. Near base of Hansel's driveway Comment
  SD112630  Madia gracilis Darley F. Howe 1963-5-23 3524 Sonoma 2.8 miles north of Cloverdale on #128 245 Comment
  POM56193  Madia gracilis subsp. gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  POM362235  Madia nutans P. H. Raven 1965-5-16 20216 Sonoma Near Frantz District School Comment
  CAS-BOT-BC345227  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa Comment
  CAS-BOT-BC345229  Madia sativa H. M. Hall 1916-7-24 10250 Sonoma Near Petaluma Comment
  CAS-BOT-BC511572  Maianthemum racemosum subsp. amplexicaule A. A. Heller 1902-5-29 s.n. Sonoma Mt. Hood Comment
  RSA177991  Maianthemum racemosum subsp. amplexicaule Robert F. Thorne 1965-4-19 34295 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC511494  Maianthemum stellatum Mary P. Wells 1985-4-11 468 Sonoma Near house at 230 Pilot's Ranch, The Sea Ranch Comment
  CAS-BOT-BC511495  Maianthemum stellatum H. E. Brown; A. A. Heller 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  SEINET7067226  Malacothrix californica A. G. Vestal 1947-5-12 s.n. Sonoma Stinson Beach [presently Stenson Beach State Park]. Coordinate datum: NAD27. UTM Zone 10, 531872mE, 4193954mN. Comment
  POM187938  Malacothrix floccifera Marcus E. Jones 1931-8-3 29094 Sonoma Cloverdale. Comment
  CAS-BOT-BC540132  Malus domestica Peter Rubtzoff 1951-11-24 850 Sonoma Western branch of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  UCD160870  Marah James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3280 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC348213  Matricaria discoidea Peter H. Raven 1950-4-6 1578 Sonoma Cotati to Santa Rosa 152 Comment
  RSA54042  Medicago arabica J. T. Howell 1948-4-18 24212 Sonoma Hills east of Agua Caliente. Comment
  RSA0009775  Medicago polymorpha Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  UCD107846  Medicago polymorpha P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC269510  Melica californica David L. Morgan 1961-4-15 s.n. Sonoma Bohemian Highway 3 miles north of Occidental Comment
  UCD87312  Melica geyeri Virginia Bufford 1936-5-21 368 Sonoma Near Skaggs Springs. Comment
  CAS-BOT-BC281390  Melica harfordii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54694 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  UCD88631  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD88633  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC262553  Melica torreyana G. DeNevers 1981-4-4 629 Sonoma Pepperwood Ranch. By Studio Comment
  UCD88824  Melica torreyana Virginia Bufford; M. S. Baker 1936-4-1 236 Sonoma Above Kenwood Springs. Comment
  CAS-BOT-BC262806  Melilotus indicus Peter Rubtzoff 1956-9-14 2889 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  SEINET12165192  Melilotus indicus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -163 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  RSA784568  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh. Comment
  POM225314  Melissa officinalis J. T. Howell 1932-9-18 10771 Sonoma Bed of slough draining Kenwood Marsh. Comment
  POM283186  Melissa officinalis A. A. Heller 1902-7-8 5819 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC164067  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  CAS-BOT-BC376365  Mentha Greg de Nevers 1992-6-26 10184 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 91 Comment
  UCR244600  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton, 1.5 mi north of Guerneville Road 23 Comment
  UCR244668  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  RSA785674  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  UCD148432  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River. Comment
  JEPS117114  Mentha aquatica Peter Warner 2010-7-29 173 Sonoma Lower Pitkin Marsh, along primary drainage channel, near NE property boundary. Comment
  RSA94261  Mentha pulegium Peter Rubtzoff 1951-8-5 610 Sonoma Northwestern; outer North Coast ranges region Margin of creek at Hwy 12, SE of Forestville Comment
  RSA94355  Mentha pulegium Peter Rubtzoff 1951-7-14 458 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  UCR244652  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  CAS-BOT-BC166908  Mentha spicata Peter Rubtzoff 1961-8-24 4708 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC428955  Micranthes californica H. L. Mason 1931-3-7 5807 Sonoma Vine Hill School, 12 miles west of Santa Rosa Comment
  CAS-BOT-BC428954  Micranthes californica G. DeNevers 1981-3-14 547 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. In the 1st E fork of the N fork Comment
  CAS-BOT-BC429004  Micranthes fragosa Milo S. Baker 1927-3-1 2737 d Sonoma Golf Club Links. Comment
  CAS-BOT-BC322598  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma 76 Comment
  CAS-BOT-BC348623  Micropus californicus var. californicus Alice Eastwood 1921-5-8 10443 Sonoma Petaluma Comment
  CAS-BOT-BC348630  Micropus californicus var. californicus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54003 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC88384  Micropus californicus var. californicus Miss Alice Eastwood 1893-4-26 Sonoma Santa Rosa Comment
  UC50030  Microseris douglasii subsp. douglasii Edw. L. Greene 1892-4-23 Sonoma Mt. St. Helena Comment
  JEPS85522  Microseris laciniata Charles F. Quibell 1990-5-20 2019 Sonoma Hunter Lane, northeast of Rohnert Park, 0.2 mi west of junction with Petaluma Hill Road. Comment
  CAS-BOT-BC322711  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2504 Sonoma 11 miles north of Santa Rosa Comment
  CAS-BOT-BC7490  Microseris obtusata Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  SD56675  Microseris paludosa Darley F. Howe 1963-7-3 3592 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  CAS-BOT-BC311872  Mimulus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC311875  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320529  Mimulus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  UC446449  Mimulus arvensis Milo S. Baker 1898-5-7 637 Sonoma Glen Ellen Comment
  RSA550831  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma N of Boyes Hot Springs. 0.6 mi E of Hwy 12 along Cavedale Road 160 Comment
  JEPS128246  Mimulus guttatus Roger Raiche 2000-5-27 109 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR248874  Mimulus guttatus Peter Rubtzoff 1978-6-11 9215 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  UCR252545  Mimulus guttatus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh, near Forestville 38 Comment
  SEINET12334049  Mimulus guttatus Unknown 1977-1 17 Sonoma no further locality 122 Comment
  UC1374916  Mimulus microphyllus Noel H. Holmgren, Liew Fah Seong 1969-6-23 3606 Sonoma 7.2 mi n Marin County line (Calif. 1) Comment
  POM43556  Mimulus pilosus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UC124362  Mimulus pilosus T. S. Brandegee July 1887 Sonoma Healdsburg Comment
  UC444805  Mimulus pilosus Milo S. Baker 1898-11-25 743 Sonoma near Healdsburg; Russian River Comment
  CAS-BOT-BC388891  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  UC8116  Minuartia douglasii J. Burtt Davy 1894-6-17 Sonoma Mt. St. Helena Comment
  UC8120  Minuartia douglasii Alice King May, 1897 Sonoma Healdsburg Comment
  JEPS42871  Mollugo verticillata Alice King Oct. 1896 Sonoma Russian River, Healdsburg Russian River; , Healdsburg Comment
  POM70494  Monardella odoratissima Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  UCD159722  Monardella odoratissima subsp. pallida James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3290 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, east Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS87251  Monardella purpurea Jack and Betty Guggolz 1992-3-12 1242 Sonoma w side Rincon Ridge; Santa Rosa 213 Comment
  UCD151083  Monardella sheltonii James A. Neilson Jr. 1974-6-1 2770 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  CHSC67997  Monardella villosa Jack Guggolz; Betty Guggolz 1992-5-17 1303 Sonoma West side of Black Mountain, south of Geyser Peak. Blooming just above the Anderson Trail on O'Farrell property. 597 Comment
  UCD151228  Monardella villosa James A. Neilson Jr. 1974-5-1 3170 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  POM253643  Monardella villosa subsp. franciscana C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  UC76203  Monardella villosa subsp. globosa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC314203  Monardella villosa subsp. villosa L. R. Abrams 1920-7-3 7621 Sonoma Stewarts Point Comment
  CAS-BOT-BC314211  Monardella villosa subsp. villosa H. L. Mason 1928-7-10 4883 Sonoma Near ocean, Jenner. Comment
  JEPS62414  Monardella villosa subsp. villosa M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 221 Sonoma Between Guerneville and Monte Rio; Russian River Comment
  CAS-BOT-BC349590  Monolopia major J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC166777  Montia Peter Rubtzoff 1967-5-21 5841 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC444995  Montia fontana Greg de Nevers 1993-3-7 10320 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 304 Comment
  UC7847  Montia fontana F. T. Bioletti Apr. 1893 Sonoma Kernwood Comment
  CAS-BOT-BC444992  Montia fontana G. DeNevers 1981-4-1 659 Sonoma Pepperwood Ranch. 30 m S of Aluminum Pepperwood Gate. Comment
  POM203651  Montia stenophylla J. T. Howell 1933-4-1 10926 Sonoma Petaluma Comment
  UCD110293  Morella californica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-29 091 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET9360775  Myosotis sylvatica John Nelson, Wnek, R. 2000-3-7 20936 Sonoma Wet ground on both sides of Hwy 116 just W of Fern Grove cottages on W side of Guerneville. With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  CAS-BOT-BC101797  Myrica californica Lewis S. Rose 1962-4-11 62017 Sonoma Laguna de Santa Rosa 1/2 mi. e. of Cunningham 15 Comment
  CAS-BOT-BC101799  Myrica californica John Thomas Howell; J. W. Stacey 1936-7-26 12687 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  UC5274  Myrica californica J. Burtt Davy 1896-3-14 1670 Sonoma Fort Ross Comment
  RSA94652  Myrica californica Peter Rubtzoff 1952-3-23 876 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  CAS-BOT-BC251168  Myriophyllum hippuroides Peter Rubtzoff 1963-9-1 5247 Sonoma Bennett Mountain Lake. Comment
  SEINET257714  Nassella formicarum Mary E. Barkworth, D. Amme 1989-6-15 5170 Sonoma About 2 miles north of Jenner on US 1 Comment
  CAS-BOT-BC260077  Nassella lepida G. DeNevers 1981-5-15 1165 Sonoma Pepperwood Ranch, in N arm of Garrison Canyon Comment
  CHSC8592  Nassella pulchra B. Hamilton 1969-5-10 20 Sonoma Found along roadway on Hiway 1--8 miles south of Stewarts Pt. Comment
  CAS-BOT-BC60516  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  UCD116072  Nasturtium officinale Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 095 Sonoma North of Dune Drift Road, Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1008714  Navarretia heterodoxa Beecher Crampton 1950-6-27 597 Sonoma 6 mi ne Glen Ellen (on Trinity Road) Comment
  SD7675  Navarretia heterodoxa M. Bioletti 1891-1 Sonoma Hords Peak Comment
  UC909093  Navarretia intertexta Herbert L. Mason 1940-5-21 12295 Sonoma Head of Mayacama Creek Knights Valley Comment
  RSA135454  Navarretia intertexta Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg. Comment
  RSA642579  Navarretia intertexta A. Howald 1995-6-13 1922 Sonoma Annadel State Park (near Santa Rosa) in the Ledson Marsh area (sometimes called Bennett Lake) 358 Comment
  JEPS86767  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1990-5-20 1055 Sonoma Anadel State Park 402 Comment
  UC583200  Navarretia leucocephala subsp. bakeri Alice Eastwood and John Thomas Howell 1936-5-19 2520 Sonoma 2 mi n Windsor Comment
  JEPS70380  Navarretia leucocephala subsp. plieantha Joseph Andorfer Ewan 1935-5-13 9265 Sonoma near Wright School (Sebastopol road) Comment
  SD56753  Navarretia pubescens Darley F. Howe 1963-7-2 3574 Sonoma 3.5 mi. so. of Guerneville on #12 29 Comment
  UC1784136  Navarretia squarrosa Ethel Crum 1930-1 738 Sonoma Petaluma Comment
  UCD48686  Navarretia squarrosa Charles B. Heiser Jr. 1946-8-17 1826 Sonoma Banks of Russian River, near Duncan Mills. Comment
  UC1541554  Navarretia tagetina H. E. and S. T. Parks 1930-5-10 847 Sonoma Knights Valley 152 Comment
  UC631639  Navarretia viscidula G. Thomas Robbins 1938-6-23 270 Sonoma just e Pitkin Marsh; Vine Hill Region Comment
  SD130512  Nemophila heterophylla F. Almeda, G. DeNevers 1981-3-30 4888 Sonoma Pepperwood Ranch; summit and east-facing slope of Three Tree Hill. 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
  UCR265121  Nemophila heterophylla Ann Howald 2015-4-1 3326 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  HSC13574  Nemophila heterophylla Malcolm L. Byce 1936-3-8 86 Sonoma Camp miller, 3.5 mi. W of Cazadero on rd. to Ft. Ross, on Ward Creek Comment
  UCD160061  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-4-9 3126 Sonoma Mayacmas Mountains, Hilary Farms. (Exact location unknown. Elevation and coordinates estimated by label maker.) 609 Comment
  SD113482  Nemophila pedunculata Darley F. Howe 1972-5-2 4816 Sonoma Trail above Duncan Mills Pond. Comment
  CAS-BOT-BC173513  Nicotiana Peter Rubtzoff 1973-8-29 7286 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente Comment
  RSA791569  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  UCR280150  Nicotiana acuminata var. multiflora Peter Rubtzoff 1973-8-29 7286 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente 38 Comment
  UCD110190  Notholithocarpus densiflorus A. T. Leiser 1968-1-16 s.n. Sonoma Sea Ranch, N. end of ridge. 91 Comment
  CAS-BOT-BC400126  Nuphar polysepala Peter Rubtzoff 1954-8-2 1626 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC400121  Nuphar polysepala Peter Rubtzoff 1951-7-8 417 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UC12460  Oemleria cerasiformis J. Burtt Davy 1896-3-13 1645 Sonoma Duncan's Mills Comment
  UCR255727  Oemleria cerasiformis Greg de Nevers 1998-3-4 11138 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD149026  Onopordum illyricum Andrew Smith 2011-12-21 160423 0 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Road., near Mark West Springs Road. Comment
  CAS-BOT-BC499779  Orobanche californica subsp. grayana Peter Rubtzoff 1971-8-9 6637 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC361408  Orobanche fasciculata Greg de Nevers 1997-5-17 11004 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. On Oak Hill Ranch burn. 457 Comment
  CAS-BOT-BC500334  Orobanche uniflora subsp. occidentalis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC500335  Orobanche uniflora subsp. occidentalis J. W. Congdon 1880-4-13 s.n. Sonoma Petaluma Comment
  SEINET13754683  Orthocarpus W. Roderick 1967-5-13 s. n. Sonoma N. of Steward's Pt. 15 Comment
  POM182697  Orthocarpus erianthus D. D. Keck 1931-4-2 1001 Sonoma Boyes Springs 30 Comment
  CAS-BOT-BC25976  Orthocarpus faucibarbatus var. albidus David D. Keck; J. Clausen 1935-6-15 3375 Sonoma 3 mi. S. of Russian River mouth Comment
  UC1143151  Oxalis albicans subsp. pilosa H. S. Yates 1934-4-21 3825 Sonoma near Duncan Mills; Duncan Mills quad 60 Comment
  POM139491  Oxalis oregana A. A. Heller, H. E. Brown 1902-3-22 5131 Sonoma Among Redwood Trees W of Sebastopol Comment
  JEPS17413  Packera H. L. Mason 1934-4-28 8060 Sonoma 2 or 3 mi w Healdsburg (headwaters of creek); Jensen Ranch, Dorman Creek 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
  UCD151254  Panicum acuminatum var. thermale James A. Neilson Jr. 1974-7-10 2837 Sonoma Mayacmas Mountains. Little Geysers. 731 Comment
  UCD32823  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Comment
  UCD89131  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 Sonoma The Geysers. Comment
  UCD89133  Panicum acuminatum var. thermale Freed W. Hoffman 1943-6-13 2040 Sonoma The Geysers. Comment
  CAS-BOT-BC253794  Panicum hillmanii Peter Rubtzoff 1971-8-23 6659 Sonoma Meacham Road 0.35 mile S of Stony Point Road Comment
  CAS-BOT-BC253795  Panicum hillmanii Walter & Irja Knight; J. T. Howell 1986-10-9 5854 Sonoma Town of Penngrove at edge of driveway at fire department entrance 12 Comment
  SEINET3277114 Image available Panicum thermale Leo Koch 1940-4-22 825 Sonoma Slopes around Sulfur Creek Geysers, east of Cloverdale, Inner North Coast Ranges. Comment
  CDA32871  Parentucellia viscosa CDFA Staff 1980-1 Sonoma 0 Comment
  CAS-BOT-BC210044  Paspalum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 mi. SE of Bodega Hwy. (of Two Rock Church). Comment
  CDA19021  Paspalum dilatatum P. Lane 2000-11-3 PDR 116684 Sonoma Along Sequoia Ridge, 3790 Harrison Grade Rd., Sebastopol. 0 Comment
  UCD88727  Paspalum dilatatum Beecher Crampton 1964-8-19 7151 Sonoma NE Sonoma County. 3/4 mile southeast of Mercuryville, 7 miles northeast of Geyserville. Comment
  CAS-BOT-BC265697  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC265699  Paspalum distichum G. DeNevers; S. Castagnoli 1981-8-2 1786 A Sonoma On sand bar in Mark West Creek at confluence with Leslie Creek, Pepperwood Ranch Comment
  HSC100871  Paspalum distichum Peter Warner 2011-8-18 233 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh, in channel, ~50 m S of N edge of parcel. 42 Comment
  UCD88927  Paspalum distichum David L. Morgan 1955-12-2 s.n. Sonoma Lawn, Sonoma State Home, Eldridge. Comment
  UCD88962  Paspalum distichum Collector Unknown 1941-1 328 Sonoma E Street Bridge, Santa Rosa. Comment
  UC1071574  Paxistima myrsinites E. Armstrong 1934-3-26 905 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. 182 Comment
  RSA800161  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC207034  Pelargonium zonale Ethel Hodges 1946-7-1 s.n. Sonoma Stewart's Pt. Comment
  UC1063609  Pellaea andromedifolia E. Armstrong 1934-3-26 900 Sonoma 2 mi nw Camp Meeker; Sebastopol Quadrangle Comment
  CAS-BOT-BC69305  Pellaea andromedifolia Margot Lowry 1983-5-1 45 Sonoma 1 mi from top of Sonoma Mtn Rd on Sonoma Mtn. 500 Comment
  NY601731  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640.1 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-BC245713  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 4701 Sonoma Mt. St. Helena Comment
  UC146888  Penstemon newberryi var. sonomensis Katharine Brandegee Jun 1910 Sonoma Mt. St. Helena Comment
  UC887199  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 Sonoma Mt. St. Helena Comment
  UCD55062  Penstemon newberryi var. sonomensis Ellen Dean; California Department of Forestry Personnel 2006-4-26 3000 Sonoma Top of Mt. St. Helena. 1319 Comment
  UCD160845  Pentagramma triangularis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3359 Sonoma West of Truit Creek, ca. 2 1/2 miles west of The Geysers Resort. (Location, coordinates, and elevation estimated by label maker.) 426 Comment
  SEINET12329975  Pentagramma triangularis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -203 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 800 Comment
  OBI59451  Perideridia gairdneri subsp. gairdneri L. Constance, T. I. Chuang 1965-2-1 3766 Sonoma Marsh on Atascadero Creek 1 mi NW of Graton. 183 Comment
  RSA94300  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1951-9-15 752 Sonoma Pitkin Marsh, near Forestville, western branch of the upper marsh Comment
  CDA13123  Perideridia howellii G. F. Hrusa, R. Gross 1996-6-3 13058 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Approx. 2 m. SW of Calistoga. Comment
  CAS-BOT-BC413665  Persicaria amphibia Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC413664  Persicaria amphibia Volney Rattan 1877-6-4 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC258014  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC419107  Persicaria lapathifolia John Thomas Howell 1946-8-17 22855 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419109  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419274  Persicaria maculosa Peter Rubtzoff 1958-7-20 3787 B Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  CAS-BOT-BC419275  Persicaria maculosa Peter Rubtzoff 1954-7-29 1614 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419422  Persicaria punctata Peter Rubtzoff 1952-10-26 1334 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UCR44925  Phacelia corymbosa L. F. LaPre 1985-6-7 s.n. Sonoma The Cedars, 6.5 mi NW of Cazadero near Layton, Chromite Mine, upper Austin Creek 413 Comment
  SD41351  Phacelia distans Edith A. Purer 1932-7-21 4832 Sonoma Bodega Bay Comment
  UC1348887  Phacelia distans Robert F. Thorne 1965-4-20 34358 Sonoma s-facing bank on Cavedale Rd 1/2 mi up State Hwy 12 (ca 4 mi n of Sonoma) 243 Comment
Read comments
Jun 29 2008
  SBBG32318  Phacelia distans L. S. Rose 1964-4-4 65021 Sonoma 1 mi N of Sonoma 60 Comment
  UCD158786  Phacelia heterophylla subsp. virgata James A. Neilson Jr. 1974-6-1 2771 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CHSC52635  Phacelia imbricata James Jokerst 1985-5-29 2386 Sonoma Near Cobb Mountain. 1126 Comment
  UCR198234  Phacelia imbricata Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .267 Sonoma Cavesdale Road 518 Comment
  RSA201447  Phacelia imbricata subsp. imbricata J. T. Howell 1929-6-9 4302 Sonoma Two miles north of Sonoma. Comment
  UCD88043  Phalaris aquatica Mary M. Hektner; Cathy Hendel 1974-6-28 82 A Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC265844  Phalaris arundinacea Peter Rubtzoff 1958-5-17 3659 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Comment
  CAS-BOT-BC259021  Phalaris californica Peter Rubtzoff 1962-6-1 4860 Sonoma Freestone Marsh Comment
  RSA129159  Phalaris paradoxa H. S. Yates 1937-6-5 6572 Sonoma 5 mi W. of Sonoma 91 Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  JEPS128214  Phlox speciosa Roger Raiche 2002-5-26 009 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA572341  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 55 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  CDA16372  Phyllospadix scouleri G. F. Hrusa 2000-11-13 15717 Sonoma Kortum trail head to Goat Rock. Comment
  CAS-BOT-BC140622  Physocarpus capitatus Peter Rubtzoff 1953-5-16 1355 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  POM139825  Physocarpus capitatus A. A. Heller 1902-6-24 5758 Sonoma Near Burke's Sanitarium Comment
  SEINET11912073  Physocarpus capitatus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -264 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Road 150 Comment
  POM20260  Pickeringia montana var. montana Michener, Bioletti 7160 Sonoma Hoods Peak Comment
  HSC100961  Pilularia americana Peter Warner, Sarah Gordon 2011-5-16 200 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 0 Comment
  UCD134384  Pinus attenuata J. M. Tucker 1951-6-26 2142 Sonoma Near Top of the World Ranch, about 5 miles due east of Glen Ellen. Comment
Read comments
Nov 30 2017
  CAS-BOT-BC78784  Pinus lambertiana Mary P. Wells 1981-4-19 s.n. Sonoma between Unit 27A and P.G.+E right-of-way, The Sea Ranch Comment
  CAS-BOT-BC72878  Pinus muricata Daniel I. Axelrod 1983-7-7 E- 3 Sonoma Vicinity of Salt Point, State Highway 1. 76 Comment
  POM316057  Pinus muricata Patricia Wilder 1965-6-10 3652 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  SEINET5334779  Pinus radiata L. Fallon 1939-1-6 s.n. Sonoma 7 mi. N of Santa Rosa Comment
  CAS-BOT-BC157648  Plagiobothrys Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8582 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC169560  Plagiobothrys Greg de Nevers 2002-5-8 12670 Sonoma Glen Ellen, Bouverie Preserve 152 Comment
  RSA785159  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCR255871  Plagiobothrys Greg de Nevers 1992-5-24 10155 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  UCR279867  Plagiobothrys Peter Rubtzoff 1969-5-11 6030 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR279875  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  CAS-BOT-BC154994  Plagiobothrys Peter Rubtzoff 1970-5-16 6218 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC154995  Plagiobothrys Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point. Comment
  JEPS117078  Plagiobothrys Peter Warner 2010-5-6 141 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  RSA0083875  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. Comment
  UCD84275  Plagiobothrys greenei Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  RSA369973  Plagiobothrys greenei L. S. Rose 1949-4-6 49028 Sonoma Western outskirts of Sonoma 30 Comment
  UC78077  Plagiobothrys nothofulvus K. Brandegee May 1889 Sonoma Cloverdale Comment
  JEPS60987  Plagiobothrys reticulatus var. reticulatus K. Brandegee June 1905 Sonoma Bodega Bay Comment
  SEINET3292823 Image available Plagiobothrys scouleri Lewis S. Rose 1933-5-9 33155 Sonoma Bodega Bay Comment
  UCR118958  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma Santa Rosa Area, 3 miles west of Fulton, along Woolsey Road, just below Mount Olivet School 61 Comment
  RSA784982  Plagiobothrys undulatus Peter Rubtzoff 1969-5-24 6062 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  RSA94256  Plantago lanceolata Peter Rubtzoff 1951-7-14 440 Sonoma Pitkin Marsh near Forestville, Lower part of the upper marsh. 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
  UCR143603  Plantago maritima G. F. Pratt, C. Pierce 2003-6-12 s.n. Sonoma Pacific Coast, Salt Point State Park 12 Comment
  CHSC22752  Platystemon californicus Robert A. Schlising 1962-3-31 2111 Sonoma California Coast Ranges. In pastured field. Comment
  UCSB50225  Platystemon californicus Gray, John 1976-5-1 Sonoma Bluffs above Duncan's Landing State Beach; T6N R11W 15 Comment
  JEPS89125  Plectritis brachystemon A. A. Heller 1938-5-14 15088 Sonoma e of Bodega Bay (at the Russian settlement at Fort Ross, (farther up the coast)); Fort Ross, Russian settlement Comment
  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
  HSC10608  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UCD90175  Pleuropogon californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma. 24 Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. 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
  SEINET10590010  Poa Etcheverry 1928-4-22 ETCHEVERRY s.n. Sonoma Wilbur Springs. Comment
  CAS-BOT-BC255599  Poa annua Peter Rubtzoff 1960-5-22 4401 Sonoma Laguna de Santa Rosa area E of Graton, between Occidental and Guerneville roads Comment
  SEINET13347297 Image available Poa annua A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  UCD37531  Poa annua Beecher Crampton 1955-3-15 2325 Sonoma Sonoma County, town of Asti. Comment
  UCD90354  Poa annua Mary M. Hektner 1976-9-15 268 A Sonoma At Irena Morgan's, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1132643  Poa howellii H. S. Yates 1936-5-16 5608 Sonoma 1 mi nw Mountain View School; Sebastopol Quadrangle Comment
  UC905109  Poa howellii Milo S. Baker 1947-4-22 11698 Sonoma Hood Mt, w slope Hood Mt (along trail towards cliffs) 304 Comment
  CAS-BOT-BC256028  Poa pratensis Catherine Best 1993-5-6 1418 Sonoma Pepperwood Comment
  UC1132792  Poa secunda subsp. secunda H. S. Yates 1934-4-22 3852 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  CAS-BOT-BC244191  Poa trivialis Peter Rubtzoff 1960-6-5 4435 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC244196  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC244202  Poa trivialis John Thomas Howell 1951-5-28 27495 Sonoma Laguna E of Sebastopol Comment
  CAS-BOT-BC244261  Poa unilateralis H. S. Yates 1934-4-21 3796 Sonoma Near Bodega 91 Comment
  POM62751  Pogogyne douglasii subsp. parviflora A. A. Heller 1902-6-4 5642 Sonoma Santa Rosa. Comment
  RSA178014  Polygala californica Robert F. Thorne 1965-4-20 34338 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 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-BC258015  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7847 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC376404  Polygonum Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 400 Comment
  CAS-BOT-BC540850  Polygonum Peter Rubtzoff 1974-9-1 7859 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville Comment
  UC6718  Polygonum amphibium var. emersum Alice King June 1897 Sonoma Healdsburg Comment
  POM144893  Polygonum aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UC850174  Polygonum lapathifolium Lewis S. Rose 1938-9-11 38254 Sonoma Bloomfield 30 Comment
  SEINET11935790  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 Sonoma Willow Creek, 2 mi N of Petaluma Comment
  UC727707  Polygonum punctatum Milo S. Baker 1946-8-17 11561 Sonoma The Laguna; at crossing of the Occidental Rd Comment
  JEPS79669  Polypodium glycyrrhiza Edward Lee 1978-12-2 4776 Sonoma e Santa Rosa (s side Spring Creek Canyon, Spring Creek trail ca. 50 m s of Canyon Trail junction); Annadel State Park, Spring Creek Canyon Comment
  CAS-BOT-BC232938  Polypogon Peter Rubtzoff 1986-7-13 9724 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC237400  Polypogon monspeliensis Greg de Nevers 1981-5-9 1027 Sonoma Pepperwood Ranch. At the Red Corral, at the McCann Homestead Comment
  CAS-BOT-BC237414  Polypogon monspeliensis A. A. Heller 1902-6-7 5652 Sonoma Bennett Valley, SE of Santa Rosa Comment
  CAS-BOT-BC237415  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Road to Bodega Point Comment
  UC50643  Polypogon monspeliensis Jos. Burtt Davy 1896-7-21 Sonoma Russian River below Guerneville; Russian River Comment
  UC50644  Polypogon monspeliensis A. B. Leckenby 1896-6-9 Sonoma Petaluma Comment
  UC963915  Polypogon monspeliensis Milo S. Baker 1946-10 11704 Sonoma less than 1 mi n junction of Sears Point Cutoff and Black Point Hwy (near Bay Marsh); n of junction of Sears Point Cutoff and Black Point Hwy Comment
  CAS-BOT-BC237616  Polypogon viridis David L. Morgan 1956-6-26 s.n. Sonoma Spring at Shell Beach, 0.25 mile S of Goat Rock, off State Highway 1 Comment
  RSA12253  Polystichum munitum C. B. Wolf 1934-6-29 5798 Sonoma 6/10 mile inland from Stewarts Point. 61 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-BC257354  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC102666  Populus fremontii Peter Rubtzoff 1959-9-19 4271 Sonoma Vacation Beach, near (2 mi. below) Guerneville, bank of Russian River Comment
  CAS-BOT-BC249289  Potamogeton crispus Peter Rubtzoff 1969-8-14 6126 Sonoma Salmon Creek, 5 miles west of Bodega (town) on Salmon Creek Road (1.1 mi. west of Finlay Creek Crossing). Comment
  CAS-BOT-BC452131  Potamogeton crispus Peter Rubtzoff 1962-8-3 5020 Sonoma Atascadero Creek Marsh. Comment
  RSA800657  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC452161  Potamogeton diversifolius Peter Rubtzoff 1961-7-22 4668 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC251265  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC257683  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC268095  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC257678  Potamogeton nodosus Peter Rubtzoff 1971-9-30 6716 Sonoma Spring Creek Reservoir area. 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
  CAS-BOT-BC454025  Potamogeton pectinatus Peter Rubtzoff 1971-9-30 6712 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCD165770  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC141953  Potentilla anserina subsp. pacifica Peter Rubtzoff 1955-8-20 2066 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141601  Potentilla uliginosa John Thomas Howell 1947-6-26 23297 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC354314  Prosartes Peter Rubtzoff 1957-5-4 3316 Sonoma Duncans Mills Marsh area. Comment
  UCD139798  Prosartes hookeri M. Wiesendanger 1927-5-5 728 Sonoma Kenwood Springs. Comment
  UCD36685  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  SEINET13947061 Image available Prunella vulgaris Andrew P. Nelson 1960-1 646 18 C Sonoma Originally collected from a mixed pop. At Pitkin Marsh. Comment
  RSA120750  Prunella vulgaris var. lanceolata S. S. Tillett 1956-6-20 568 Sonoma on hillside overlooking Drake Memorial, Drakes Bay, Point Reyes Peninsula Comment
  CAS-BOT-BC159826  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  UC699661  Prunus serotina T. E. Rawlins September, 1942 Sonoma Fort Ross Comment
  UCR255735  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Leslie Road 400 Comment
  JEPS20444  Pseudognaphalium beneolens W. L. Jepson 1892-8-8 14744 Sonoma Alexander Valley Comment
  JEPS128240  Pseudognaphalium luteoalbum Roger Raiche 2000-5-4 079 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD165870  Pseudognaphalium luteoalbum Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC357452  Pseudognaphalium ramosissimum Catherine Best 1984-9-18 1041 Sonoma Near the pond on Stoetz Lane about 2 miles northeast of Occidental Comment
  UCD159438  Pseudognaphalium stramineum D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 195 -2 Sonoma Abandoned volleyball court/field. Disturbed. 6 Comment
  UCD148405  Pseudognaphalium stramineum Peter Rubtzoff 1958-8-16 3884 Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  SEINET11738932  Pseudotsuga menziesii I. Knight, Knight, W. 1981-1 3980 Sonoma 6.2 mi up Cavedale Road from jct of state route #12 Comment
  UC1042434  Pseudotsuga menziesii var. menziesii Peter Rubtzoff 1951-8-18 636 Sonoma w branch of the Upper Marsh in a thicket on damp ground Pitkin Marsh, Upper Marsh (near Forestville) Comment
  SEINET5345374  Pseudotsuga menziesii var. menziesii L. Fallon 1939-1-6 s.n. Sonoma 10 miles north of Guerneville Comment
  UCD166076  Psilocarphus Peter Rubtzoff 1971-6-5 6512 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173828  Psilocarphus Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7401 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166085  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC362072  Psilocarphus tenellus Alice Eastwood 1921-5-8 10466 Sonoma Petaluma Comment
  CAS-BOT-BC157682  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  RSA784485  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC421371  Pterostegia drymarioides Milo S. Baker 1925-4-26 234 Local Sonoma Bluff opp. House, Maple Glen 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
  UCD100924  Pterostegia drymarioides Arlene Johnston 1977-5-11 83 Sonoma Bodega Bay. Comment
  UCR66548  Quercus X chasei G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 mi. north of Cotati on road to Sebastopol. Comment
  CAS-BOT-BC61637  Quercus agrifolia Peter Rubtzoff 1951-9-15 746 Sonoma Pitkin marsh, near Forestville. Western branch of the Upper Marsh Comment
  UC1193302  Quercus agrifolia R. H. Neuns 1950-5-3 99 Sonoma 6 mi e Geyserville (Quad. 60B3) 426 Comment
  CDA12823  Quercus agrifolia var. agrifolia G. F. Hrusa, R. Gross 1996-3-8 12655 A Sonoma North Coast Biodiversity Arena; S side of Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  UC1193267  Quercus berberidifolia R. H. Neuns 1950-5-3 101 Sonoma 6 mi e Geyserville 426 Comment
  UC5583  Quercus berberidifolia Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC79571  Quercus dumosa John Thomas Howell 1926-10-3 2214 Sonoma Petrified Forest Comment
  SEINET12029928  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5078 Sonoma 0.4mi up Cavedale Rd from State Tr-12 91 Comment
  CDA11973  Quercus durata G. F. Hrusa, J. Pfeiffer 1995-9-23 12465 Sonoma North Coast Biodiversity Arena; Volcanic ash at Cavedale Edaphic Island, 2.7 m. E of Hwy. 12 on Cavedale Rd. Varying strongly toward Q. berberidifolia. Pure berberidifolia within 100 meters on basalt volcanics. Comment
  UCSB15790  Quercus durata var. durata Breedlove, Dennis 1962-6-6 Sonoma State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale 289 Comment
  SJSU16079  Quercus garryana Allen W. Jacobs 1934-8-1 2 Sonoma Near the Hilton in Russian River Comment
  UC1135605  Quercus garryana J. B. Spring 1932-7-8 102 Sonoma Alta Vista Napa Quad. 304 Comment
  JEPS77253  Quercus garryana Robert M. Lloyd 1963-4-24 2392 Sonoma 13.8 mi from State Highway 12 (on road to Oakdale) 365 Comment
  UC5610  Quercus kelloggii unknown 971 Sonoma Sonoma Comment
  UCD46644  Quercus kelloggii G. L. Stebbins Jr. 1945-10-7 3583 2 Sonoma Two miles northwest of Kenwood, Sonoma County, California. Comment
  CAS-BOT-BC105488  Quercus kelloggii Margot Lowry 1983-5-1 26 Sonoma ca 1 mile from top of Sonoma Mtn Rd on Sonoma Mtn 500 Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  JEPS46680  Quercus lobata W. L. Jepson 1902-11-12 Sonoma Cloverdale Comment
  UC1135382  Quercus wislizeni E. Armstrong 1934-3-26 908 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 152 Comment
  UC9381  Ranunculus aquatilis var. capillaceus State Survey 1862-4-18 970 Sonoma ponds near Sonoma Comment
Read comments
Jan 20 2011
  RSA739942  Ranunculus californicus Chas. H. Lamoureux, J. M. Tucker, June McCaskill, S. L. Armstrong 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  CAS-BOT-BC378678  Ranunculus californicus var. californicus Rimo Bacigalupi 1926-5-2 1372 Sonoma Cazadero Comment
  CAS-BOT-BC378683  Ranunculus californicus var. californicus G. H. Mallory 1920-3-29 s.n. Sonoma east end of Sonoma Ave Comment
  CAS-BOT-BC378690  Ranunculus californicus var. californicus Saichi Kawahara 1968-4-20 317 Sonoma Trinity Road, 1 mi northeast of Highway 12 152 Comment
  POM118704  Ranunculus californicus var. gratus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC83408  Ranunculus lobbii Peter Rubtzoff 1962-4-11 4796 Sonoma Americano Creek area just south of Bloomfield. Near Petaluma - Valley Ford road. Comment
  RSA534583  Ranunculus lobbii Peter Rubtzoff 1972-3-31 6721 Sonoma Todd Road 1.4 miles from Hwy 116 and 0.6 mile from Llano Road Comment
  UCD96163  Ranunculus lobbii G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12030 Sonoma Lagunda de Santa Rosa, Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  UCD96257  Ranunculus muricatus Robert F. Thorne 1965-4-19 34273 Sonoma on Titus Ranch, Valley Ford. 18 Comment
  UCR265136  Ranunculus occidentalis Ann Howald 2015-4-1 3320 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  SBBG53137  Ranunculus occidentalis var. occidentalis M. R. Benedict 1978-4-18 Sonoma Hwy 128 ca. 5 mi W of Calistoga Comment
  RSA202091  Ranunculus pusillus Rimo Bacigalupi, G. Thomas Robbins, Ralph Hoffmann 1957-5-31 5677 Sonoma Onion Pond' above Canyon of Big Austin Creek, above Arroyo Gun Club, 4 miles N of Cazadero. 155 Comment
  RSA534578  Ranunculus pusillus Peter Rubtzoff 1969-5-24 6063 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  SEINET12095408  Ranunculus uncinatus C. F. Quibell 1976-1 1367 Sonoma Marshall - Petaluma Road Comment
  UCD135421  Rhagadiolus stellatus Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1778 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground south of Sonoma Creek approximately 150 yards 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC55943  Rhamnus crocea Walter Knight; Irja Knight 1963-9-1 142 Sonoma Pine Mt. Rd. - NE of Cloverdale Harold Smith Ranch Comment
  CAS-BOT-BC55946  Rhamnus crocea A. A. Heller 1902-6-26 5766 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC53741  Rhododendron columbianum Walter Knight; Irja Knight 1964-2-27 554 Sonoma Bog a few hundred yards east of highway #1 ca. 2 mi. so. of Gualala Comment
  CDA38870  Rhododendron columbianum T. C. Fuller 1958-5-24 3996 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UCD117916  Rhododendron occidentale Chris Bowen 1974-5-18 113 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD117936  Rhododendron occidentale Charles B. Heiser Jr. 1946-5-19 1750 Sonoma Vine Hill region, Pitkin Marsh. Comment
  UCR23636  Rhododendron occidentale John C. Roos 1957-7-2 6645 Sonoma Miller Ridge Comment
  CAS-BOT-BC200338  Rhododendron occidentale var. occidentale Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC200350  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC111862  Rhynchospora alba Milo S. Baker; John Thomas Howell 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog. Comment
  CAS-BOT-BC350939  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh. Comment
  UC1133746  Rhynchospora capitellata H. S. Yates 1936-5-16 5593 Sonoma 2 mi se Forestville; Sebastopol Quadrangle, Pitkin Marsh Comment
  UC730046  Ribes californicum Leo F. Koch 1940-4-20 807 Sonoma about 3 mi from Highway 1 (Plantation road) Comment
  CAS-BOT-BC93055  Ribes californicum var. californicum A. A. Heller 1903-4-24 6613 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC93060  Ribes californicum var. californicum Greg de Nevers 1981-3-14 531 Sonoma Pepperwood Ranch. Pippindale Farm, 7 miles northwest of Santa Rosa, near Mark West Lodge. Comment
  CAS-BOT-BC168997  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1958-6-1 3700 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road Comment
  CAS-BOT-BC168999  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1952-3-23 899 Sonoma Damp area north of the Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC212920  Ribes menziesii Arthur Menzies 1963-2-17 s.n. Sonoma 2 miles south of Seaview, East of Fort Ross Comment
  UCD151193  Ribes menziesii James A. Neilson Jr. 1974-7-10 s.n. Sonoma Mayacmas Mountains, west of Geyser Rock, along road to PG and E geothermal units 9 and 10, eastern Sonoma County. (Elevation estimated using Google Earth by label maker.) 1036 Comment
  RSA141862  Ribes victoris A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC168763  Ribes victoris Michener; Bioletti 1892-7-8 629 Sonoma South Los Guilicos Comment
  UC1069441  Romanzoffia californica E. Armstrong 1934-3-26 915 Sonoma 2 mi. n.w. Camp Meeker; Sebastopol Quad. 91 Comment
  CAS-BOT-BC376258  Rorippa Greg de Nevers 1992-5-5 10141 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 475 Comment
  RSA0060109  Rorippa Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road. 100 Comment
  CAS-BOT-BC74694  Rorippa curvisiliqua Peter Rubtzoff 1955-9-10 2143 Sonoma Vacation Beach, near Guernville. Bank of Russian River. Comment
  CAS-BOT-BC74713  Rorippa curvisiliqua Peter Rubtzoff 1974-4-17 7366 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC74716  Rorippa curvisiliqua Peter Rubtzoff 1986-9-28 9750 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC10728  Rorippa curvisiliqua H. N. Bolander Apr 1864 3894 Sonoma Mark West Creek Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  UC467669  Rosa californica V. King Chesnut Aug. 1889 Sonoma Santa Rosa Comment
  UCD158731  Rosa californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. along Big Sulphur Creek. Elevation estimated by label maker. 853 Comment
  SEINET10964993  Rosa californica Walter H. Lewis, Barbara J. Ertter 2005-2-8 Lewis 15909 Sonoma Grizzly Island Rd, 0.5 mi S of bridge across Montezuma Slough at Belden's Landing; forming hedge along road for some distance with standing water on the other side. Comment
  POM187580  Rosa gymnocarpa Marcus E. Jones 1931-7-5 29009 Sonoma West of Cloverdale. Comment
  SDSU9226  Rosa gymnocarpa D. F. Howe 1963-7-2 3576 Sonoma 3.5 miles E of Guerneville on #12 . 30 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-BC148203  Rosa rubiginosa John Thomas Howell 1930-6-8 5234 Sonoma Flat along stream, 4 miles east of Valley Ford. Comment
  CAS-BOT-BC146920  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma S.W. slope of Hood Mt. at top of Rose Butte 243 Comment
  RSA800403  Rubus Peter Rubtzoff 1964-6-3 800403 Sonoma Bodega Bay Marsh. 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
  UC1084363  Rubus spectabilis G. Thomas Robbins 1937-3-26 26 Sonoma bank of creek along road e Bodega Bay; e of Bodega Bay Comment
  UC73079  Rubus spectabilis Milo S. Baker 1899-6-26 Sonoma Russian River , at its mouth (at its mouth) 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-BC157171  Rubus ursinus Alice S. M. McKenzie 1981-2-23 15 B Sonoma Calif. State Hwy. 1 at Kolmer Gulch. Beside road just above curve on E. side of gulch Comment
  UCD17827  Rubus ursinus H. Olmo 8-10 May 1962 62- 12 Sonoma California. Sonoma County: near Lumber Company along Gualala River. Comment
  RSA783795  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh. Area 27. Comment
  UCD166511  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC173526  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh Comment
  RSA784602  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC164690  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1479 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166928  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh. Comment
  UCD101466  Rumex pulcher Mary M. Hektner 1976-12-14 272 Sonoma Sea Ranch Association Office; Unit 18-A, Sea Ranch, near State Highway 1. Comment
  SEINET11934234  Rumex pulcher F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -155 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 80 Comment
  RSA698486  Rumex salicifolius var. montigenitus J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC434143  Rumex transitorius Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 Comment
  JEPS65651  Rupertia physodes Mrs. Maud Wheeler 1903-1 Sonoma Sebastopol Comment
  POM252714  Rupertia physodes A. A. Heller 1902-6-11 5991 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UCD108456  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  SEINET11764773  Ruppia maritima P. G. Connors 1991-1 s.n. Sonoma Bodega Head Comment
  CAS-BOT-BC239856  Rytidosperma penicillatum Mary P. Wells 1981-8-2 s.n. Sonoma The Sea Ranch Comment
  RSA658431  Rytidosperma pilosum J. C. Roos 1957-7-2 6651 Sonoma Miller ridge Comment
  JEPS90776  Sagina decumbens subsp. occidentalis Dean W. Taylor 1994-5-4 14225 Sonoma 1.8 mi n of Camp Meeker (along Bohemian Highway, Dutch Bill Creek drainage just downstream from confluence with Duvol Creek); North Coast Ranges, Bohemian Highway 76 Comment
  CAS-BOT-BC445693  Sagittaria cuneata Peter Rubtzoff 1961-7-22 4666 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445774  Sagittaria latifolia Peter Rubtzoff 1960-9-14 4525 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  UC935766  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-6-29 920 Sonoma on road to Sebastopol the Laguna marshy area w Santa Rosa; Laguna marshy area Comment
  CAS-BOT-BC445775  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC290708  Salix Peter Rubtzoff 1974-4-6 7358 Sonoma Forestville Marsh. Comment
  RSA0015574  Salix Peter Rubtzoff 1973-9-9 7313 Sonoma Kenwood Marsh. Comment
  RSA0037217  Salix Peter Rubtzoff 1971-9-1 6679 Sonoma Spring Creek Reservoir area. Comment
  UCR249334  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC103092  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  JEPS83009  Salix breweri Roger Raiche 1984-4-21 40112 Sonoma about 6 mi n Cazadero (headwaters of creek); Big Austin Creek, The Cedars 152 Comment
  CAS-BOT-BC103946  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC103941  Salix exigua H. K. Wagnon 1988-8-8 1798 Sonoma Confluence of Maacama Crk. and Russian River Comment
  UC66147  Salix exigua var. hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley se of Santa Rosa Comment
  CAS-BOT-BC107751  Salix hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley southeast of Santa Rosa Comment
  CAS-BOT-BC107756  Salix hindsiana G. De Nevers 1981-5-20 1236 Sonoma Pepperwood Ranch - along Leslie Creek, 100 m above confluence with Mark West Creek Comment
  SEINET11992143  Salix hookeriana F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -154 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1, along Russian River 37 Comment
  UC66170  Salix laevigata A. A. Heller 1902-4-23 5348 Sonoma near Sonoma Sonoma Comment
  UC482325  Salix lasiandra subsp. lasiandra C. R. Ball and H. E. Parks 1931-2-17 21 Sonoma 1 mi. s. Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  CAS-BOT-BC128063  Salix lasiandra var. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC107097  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  UC1084450  Salix lasiolepis G. Thomas Robbins 1940-3-24 308 Sonoma ca. 6 mi. e. Santa Rosa (Rincon Grade) 167 Comment
  UC453088  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  UC482119  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC66160  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  SEINET10396327  Salix lasiolepis A. A. Heller 1902-8-23 5097 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  CAS-BOT-BC107358  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-30 2511 Sonoma below road at Bay, Bodega Bay Comment
  RSA534504  Salix lasiolepis var. bigelovii Peter Rubtzoff 1962-5-11 4812 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  SD133977  Salix lasiolepis var. bigelovii Peter Rubtzoff, Theodore J. Crovello 1964-9-3 5493 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC128311  Salix lasiolepis var. lasiolepis G. DeNevers 1981-4-25 875 Sonoma Mark West Creek and Leslie Creek - Pepperwood Ranch Comment
  CAS-BOT-BC128316  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh Comment
  RSA94334  Salix lucida subsp. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma S of the Upper Marsh. Comment
  SJSU178  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian R, Bohemian Grove near Monte Rio Comment
  CAS-BOT-BC126187  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  POM219058  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  UC482052  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 343 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  UC524787  Salix scouleriana W. A. Setchell 1934-7-10 5 Sonoma Coast Hwy. above Fort Ross Comment
  CAS-BOT-BC126189  Salix scouleriana Walter Knight; Irja Knight 1964-2-27 558 Sonoma 2 mi. S. Gualala on [hiway] highway #1 Comment
  POM167057  Salix sitchensis A. A. Heller 1903-4-23 6602 Sonoma Fort Ross. Comment
  RSA534487  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh. Comment
  UC453082  Salix sitchensis W. A. Setchell 1931-7-25 3 Sonoma above Russian R. at Bohemian Grove near Monte Rio Comment
  UC482108  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UCD111909  Salix sitchensis Mary M. Hektner 1974-7-20 157 Sonoma Paralleling Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC376260  Salpichroa origanifolia Greg de Nevers 1991-5-14 9749 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Ward House 475 Comment
  CAS-BOT-BC225208  Salvia sonomensis Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  RSA134121  Salvia sonomensis John H. Thomas 1955-5-22 5189 Sonoma Along St. Helena Road and West Creek, about 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 366 Comment
  SEINET12330321  Salvia sonomensis W. Knight, Edwards, S. 1985-1 5187 Sonoma Ridge NW of summit of Kortum Canyon Road Comment
  JEPS76926  Sanicula arctopoides Robert M. Lloyd 1963-2-24 2052 Sonoma on State Highway 1, 4 mi s State Highway 12 15 Comment
  SBBG5250  Sanicula arctopoides H. and M. Dearing 1939-5-14 3358 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC353929  Sanicula arctopoides Milo S. Baker 1928-4-14 2980 a Sonoma Coast near Bay Bay Comment
  CAS-BOT-BC223343  Sanicula bipinnatifida Alice Eastwood 1921-5-8 10438 Sonoma Petaluma Comment
  CHSC34607  Sanicula bipinnatifida Jeffrey D. Prouty 1979-4-11 224 Sonoma Ca. 7 mi n of Santa Rosa. Grassy slope ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  RSA178020  Sanicula crassicaulis R. F. Thorne 1965-4-19 34313 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UCD151099  Sanicula crassicaulis James A. Neilson Jr. 1973-6-3 3003 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.) 441 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
  CDA10850  Sanicula laciniata G. F. Hrusa, G. L. Stebbins 1994-4-8 11726 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  UC480612  Sanicula laciniata Carl Meyer 1928-3-3 304 Sonoma Santa Rosa Comment
  UC416710  Satureja douglasii Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  CAS-BOT-BC441180  Saxifraga mertensiana J. Burtt Davy 1896-3-14 1667 Sonoma Adobe Canon Comment
  UC796641  Scandix pecten-veneris Ira L. Wiggins 1949-4-30 12059 Sonoma 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  JEPS77256  Scandix pecten-veneris Robert M. Lloyd 1963-4-24 2395 Sonoma 13.8 mi from State Highway 12 on road to Oakdale 365 Comment
  UCD65651  Schedonorus arundinaceus Mary M. Hektner; Cathy Hendel 1974-7-24 164 A Sonoma Beside the Kirkwood house, Unit 24 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  CAS-BOT-BC111528  Schoenoplectus americanus Peter Rubtzoff 1972-8-26 6861 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC111400  Schoenoplectus californicus W. Knight; I. Knight 1984-8-26 5427 Sonoma Willow Cr. Road 60 Comment
  RSA540070  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111801  Schoenoplectus pungens var. badius Peter Rubtzoff 1963-8-17 5233 Sonoma Russian River Mouth Marsh. Comment
  SD37488  Schoenoplectus pungens var. badius Edith A. Purer 1932-7-24 4074 a Sonoma Near Bodega Bay, sand dunes. Comment
  CAS-BOT-BC111806  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-13 4126 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC111841  Schoenoplectus tabernaemontani Peter Rubtzoff 1967-9-2 5878 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  RSA595079  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC111117  Scirpus microcarpus Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC516416  Scoliopus bigelovii Volney Rattan 1880-1-1 s.n. Sonoma Duncan's Mills Comment
  SEINET12058066  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -011 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  SEINET12058072  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  CAS-BOT-BC240033  Scribneria bolanderi Catherine Best 1985-4-5 1068 Sonoma Stoetz Lane about 3 miles northeast of Occidental Comment
  UC1023610  Scribneria bolanderi Virginia Bufford 1935-4-14 438 Sonoma Occidental, Blundin's Pasture Occidental; , Blundin's Pasture Comment
  CAS-BOT-BC320498  Scrophularia californica Peter Rubtzoff 1964-5-20 5307 Sonoma Brooks Gulch Marsh. Comment
  POM188459  Scrophularia californica Marcus E. Jones 1931-7-5 29063 Sonoma West of Cloverdale. Comment
  RSA73968  Sedella pumila Milo S. Baker 1952-4-20 12399 Sonoma East side of Hwy 12 on outcrop of [tuff?] and ca. 0.25 miles N of Caliente. Comment
  UC764995  Sedum radiatum R. F. Hoover 1938-6-14 3608 Sonoma on road to Occidental 2 mi w Graton; w of Graton Comment
  CAS-BOT-BC63942  Sedum spathulifolium John Thomas Howell 1930-6-8 5262 Sonoma 1 mile east of Bodega Bay Comment
  UCR43083  Sedum spathulifolium L. F. LaPre 1985-6-5 s.n. Sonoma North Coast Ranges, Geysers Overlook, just NW of Geysers Resort on Healdsburg- Geysers Road 483 Comment
  CAS-BOT-BC62174  Selaginella kraussiana W. R. Dudley 1895-2-23 s.n. Sonoma Knights Valley Comment
  CDA11981  Selaginella wallacei G. F. Hrusa, T. D. Wilfred 1995-12-3 12486 Sonoma North Coast Biodiversity Arena; summit of Chalk Mtn. on the W face. Foote Ranch, NW base of Mt. St. Helena, immediately N of Ida Clayton Rd. Comment
  UC726185  Selaginella wallacei A. A. Heller 1902-4-2 5201 Sonoma 10 mi from Santa Rosa (on Calistoga rd.) Comment
  UCD168043  Selaginella wallacei James A. Neilson Jr. 1981-3-13 3995 a Sonoma Mayacmas Mountains, tributary of Hummingbird Creek. 1/2 mile NE of confluence of Hummingbird Creek and Squaw Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD135623  Senecio minimus Freed W. Hoffman 1946-8-23 796 Sonoma North Coast Ranges. Lone Mountain Farm, near Guerneville. Comment
  UCD18204  Senecio sylvaticus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, in sand dunes near housing facility. Comment
  CAS-BOT-BC364681  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC80325  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Santa Rosa Comment
  YM-YOSE15455  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South of Santa Rosa in Bennet Valley Comment
  JEPS128164  Sesbania punicea Eric Wrubel 2012-6-30 101 Sonoma Santa Rosa. Olivet Road at the intersection with Viking Road. Comment
  UCD92681  Setaria faberi David L. Morgan 1958-8-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line. Comment
  UCR250224  Setaria parviflora Peter Warner 2013-8-12 295 Sonoma Green Valley Road, 0.15 mi east of junction with Bones and Maddocks Roads 87 Comment
  CDA39792  Setaria parviflora Peter Warner 2013-8-12 295 Sonoma Green Valley Road, 0.15 miles east of junction with Bones and Maddocks Roads. Comment
  CAS-BOT-BC290641  Sidalcea Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA261282  Sidalcea calycosa subsp. calycosa Lillian Reinecke 1940-4-20 s.n. Sonoma Black Point Rd., 5 miles south of sonoma Comment
  JEPS50082  Sidalcea diploscypha D. Patchett 1917-5-15 Sonoma Edenrille Ranch Comment
  RSA87995  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19584 Sonoma 1 mile N. of Ft Ross. Comment
  UCD116786  Sidalcea malviflora Cynthia Hodges 1982-4-8 13 Sonoma 10 miles south of Healdsburg on Chalk Hill Road directly off Highway 128. 39 Comment
  SD64375  Sidalcea malviflora subsp. purpurea Darley F. Howe 2 Jun 4260 Sonoma Coast, 3.0 miles north of Bodega Bay. Comment
  UC1013006  Sidalcea malviflora subsp. purpurea C. L. Hitchcock 1952-6-4 19584 Sonoma one mi n Ft. Ross; n of Ft. Ross Comment
  UCD116826  Sidalcea malviflora subsp. purpurea Chris Bowen 1974-5-19 134 Sonoma near Pacific Ranch, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC213168  Sidalcea oregana subsp. valida Milo S. Baker 1932-8-15 6013 Sonoma Marshy road ditch just W. of Kenwood. Comment
  CAS-BOT-BC290626  Sidalcea oregana subsp. valida Peter Rubtzoff; Rimo Bacigalupi 1979-8-6 9305 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  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
  UCR23679  Silene californica John C. Roos 1957-6-29 6618 Sonoma North Coast Ranges, Fitch Mtn, near Healdsburg 59 Comment
  UCD98715  Silene gallica Terri Williamson 1990-5-20 57 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  CAS-BOT-BC392490  Silene gallica John H. Thomas 1976-6-16 18334 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  SEINET11933906  Silene gallica F. H. Utech 1986-1 86 -100 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  UCD98632  Silene gallica Botany 102 Students 1993-5-8 280 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 less than 1 air mile S of Red Mountain, N of Sonoma Creek. Comment
  JEPS108631  Sisyrinchium bellum W. Roderick Sonoma NW of Glen Ellen Comment
  SEINET5272562  Sisyrinchium californicum Unknown 1994-4-3 81 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; Hwy 1 Comment
  RSA94316  Sisyrinchium californicum Peter Rubtzoff 1951-6-7 135 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  CDA28745  Smilacina stellata S. Blank, P. Kerr 2007-4-3 s.n. Sonoma North Coast Ranges; Annadel State Park. Hunter Spring. Comment
  CAS-BOT-BC164712  Solanum Peter Rubtzoff 1956-9-16 2929 Sonoma Vacation Beach, near Guerneville. Comment
  UCD167960  Solanum nigrum James Neilson 1981-7-16 4053 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC914097  Solanum physalifolium var. nitidibaccatum Herbert A. Thomas 1935-11-23 Sonoma Burbank Farm Comment
  JEPS54471  Solidago elongata Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9318 Sonoma Pitkin Marsh 53 Comment
  CAS-BOT-BC365582  Solidago elongata Walter Knight; Irja Knight 1963-9-10 247 Sonoma Corner San Antonio Rd & D St. Ext. Comment
  SEINET11808075  Solidago occidentalis W. Knight, Wagnon, K. 1987-1 s.n. Sonoma Willow Brook on embankment between Corona Rd & Old Redwood Hwy 6 Comment
  CAS-BOT-BC365660  Solidago spathulata L. R. Abrams 1920-7-3 7608 Sonoma Near Stewarts Point Comment
  CAS-BOT-BC365658  Solidago spathulata John Thomas Howell 1946-8-17 22866 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC365262  Solidago velutina subsp. californica J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  UC1613315  Solidago velutina subsp. californica Charles M. Belshaw 1936-9-18 2670 Sonoma Mt. St. Helena Comment
  LA203961  Solidago velutina subsp. californica M. S. Baker; 1934-6-1 7701 Sonoma About 1 mi. E of Gravenstein Hwy along Road from Moleno towards Santa Rosa Comment
  CAS-BOT-BC365967  Soliva sessilis Alice Eastwood 1921-4-24 10377 Sonoma Santa Rosa Comment
  CAS-BOT-BC365969  Soliva sessilis Mary P. Wells 1981-4-19 s.n. Sonoma Unit 34-A, The Sea Ranch Comment
  UCD136129  Sonchus asper subsp. asper Mary M. Hektner; Cathy Hendel 1974-7-24 163 Sonoma alongside Kirkwood House on Pacific Reach, Unit 24 Owners' Map, Sea ranch, near State Highway 1. Comment
  UCD136182  Sonchus oleraceus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-2 103 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  UCD136193  Sonchus oleraceus Gerry North 1993-4 5 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Across road from Goodspeed trailhead pullout. 228 Comment
  CAS-BOT-BC236634  Spartina foliosa J. W. Congdon 1880-10-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC236635  Spartina foliosa James Moffett 1928-10-8 s.n. Sonoma Black Pint cut-off Comment
  UCD92998  Spartina foliosa R. Tofsrud 1949-11-1 s.n. Sonoma Black Point Road. Comment
  CAS-BOT-BC258918  Spergula Peter Rubtzoff 1954-7-27 1576 Sonoma Guerneville Marsh. Comment
  RSA800207  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  RSA0022422  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC390994  Spergularia villosa Walter Knight; Irja Knight 1984-8-27 5085 Sonoma Near Gilardi Resort near Lakeville, along Petaluma River Comment
  UCD139040  Spiranthes romanzoffiana Mary M. Hektner 1974-7-10 144 -A Sonoma Unit 35-B Owner' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC534956  Spirodela punctata Peter Rubtzoff 1964-8-20 5466 Sonoma Pond one mile SE of Jenner (near crossing of Hwys. 1 and 12) Comment
  CAS-BOT-BC258358  Stachys J. Penalosa 1961-5-24 1585 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC500698  Stachys Peter Rubtzoff 1959-5-30 4069 Sonoma Freestone Marsh Comment
  CAS-BOT-BC502051  Stachys Peter Rubtzoff 1962-10-9 5110 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC502056  Stachys Peter Rubtzoff 1965-10-10 5658 Sonoma Bodega Head Marsh Comment
  RSA179722  Stachys ajugoides J. T. Howell 1930-6-8 5228 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  SEINET13947995 Image available Stachys ajugoides A. A. Heller 1902-1 5782 Sonoma West of Windsor near Russian river Comment
  UC25968  Stachys ajugoides var. rigida Harley P. Chandler 1900-5-25 Sonoma Bodega Bay Comment
  CAS-BOT-BC361392  Stachys albens Greg de Nevers 1993-8-7 10482 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa E of barn 400 Comment
  CAS-BOT-BC374797  Stebbinsoseris heterocarpa Alice Eastwood 1921-5-8 10457 Sonoma Petaluma Comment
  SD192872  Stellaria littoralis John A. Churchill 1974-5-2 7442756 Sonoma Off Route 1 ca. 1.0 mile north of town. Bodego Bay. Comment
  CAS-BOT-BC397766  Stellaria media John H. Thomas 1976-6-15 18310 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC397773  Stellaria media Peter Rubtzoff 1952-5-31 1116 Sonoma Pitkin Marsh, near Forestville; Thickets south of the Upper Marsh. Comment
  RSA800341  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC405137  Stellaria nitens G. DeNevers 1982-2-21 1913 Sonoma Hill side above first serpentine road cut, end of canyon. Pine Flat Road. Blm. Comment
  UC1299292  Stephanomeria elata Freed W. Hoffman 1946-9-26 579 Sonoma road to Layton Mine, Austin Creek North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC375753  Stephanomeria virgata Walter Knight; Irja Knight 1963-9-1 154 Sonoma Sulphur Creek - 3 mi. E. Cloverdale Comment
  NY431575  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsburg Comment
  SEINET10603927  Stipa pulchra A. Arthur Heller 1902-4-23 Heller 5350 Sonoma Near Sonoma Comment
  UCD168057  Streptanthus James Neilson 1978-6-17 3968 Sonoma Mayacmas Mountains, east of Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UC956502  Streptanthus barbiger Freed W. Hoffman 1947-5-30 1032 Sonoma Layton Mine North Coast Ranges, Main Austin Creek Comment
  UC1292730  Streptanthus brachiatus Freed W. Hoffman 1950-5-25 3358 Sonoma E of Pine Flat, near Contact Mine 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
  UCD167315  Streptanthus brachiatus James Neilson 1977-6-7 3907 Sonoma Mayacmas Mountains, Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD168161  Streptanthus brachiatus James Neilson 1977-3-28 3855 Sonoma Mayacmas Mountains, Location 6, US Geothermal 1. Lower Reach of barren. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61218  Streptanthus brachiatus Lawrence F. LaPre; Kelly Campbell 1987-7-2 s.n. Sonoma Along Cadd Fire Trail near transmission line tower, 1.5 air miles west of Socrates Mine, near Lake County Line. Comment
  CAS-BOT-BC61231  Streptanthus breweri Herbert L. Mason 1946-7-4 12896 Sonoma 2 miles east of Occidental. 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
  UC1492788  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3395 Sonoma headwaters of East Austin Creek North Coast Ranges, The Island Comment
  UC1492790  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3362 Sonoma near Nylander's house (near Rocky Mountain); North Coast Ranges, East Austin Creek Comment
  JEPS82241  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  UC1292741  Streptanthus morrisonii Freed W. Hoffman 1946-9-26 1025 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UCD167335  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma Mayacmas Mountains. On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167366  Streptanthus morrisonii James Neilson Date Unknown 4060 Sonoma Hillside due east of Layton Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC540817  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC540838  Symphoricarpos Peter Rubtzoff 1973-8-18 7219 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC29832  Symphyotrichum chilense Alice King 1896-9-1 Sonoma Healdsburg Comment
  CAS-BOT-BC97821  Symphyotrichum chilense Alice Eastwood 1918-9-3 7963 Sonoma Calistoga Comment
  CAS-BOT-BC97832  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-26 116 Sonoma ca. 3 mi. from San Antonio Rd. on I. St. Ext. Comment
  CAS-BOT-BC98565  Symphyotrichum lentum F. G. Krauss 1893-10-8 s.n. Sonoma Mountains, Krauss Ranch Comment
  CDA10942  Synthyris cordata G. F. Hrusa, G. L. Stebbins 1994-3-28 11700 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. Adjacent to East Austin Cr. Rd. on E side of Creek. 0 Comment
  CAS-BOT-BC221968  Taeniatherum caput-medusae John Thomas Howell 1967-6-17 42595 Sonoma Hot Springs Road sw. of Cloverdale Comment
  SEINET10575096  Tamarix parviflora John F. Gaskin 1998-7-2 Gaskin 78 Sonoma Hyde and Pearson Road, E 150 yds to corner. Comment
  CAS-BOT-BC157679  Taraxacum Peter Rubtzoff 1974-4-17 7367 Sonoma Upper Green Valley Marsh area. 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
  CAS-BOT-BC376985  Taraxacum officinale Greg de Nevers 1981-4-1 s.n. Sonoma Pepperwood Ranch Comment
  UC58232  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  HSC96004  Thermopsis californica var. californica Thomas W. Nelson, Jane Nelson 1981-5-3 6461 Sonoma 4809 Pressley Rd., 2 mi. N of junction with Roberts Rd. Comment
  UCSB21296  Thermopsis californica var. californica McCarthy, Sharon 1965-4-11 Sonoma East side of Bennett Peak, 2.5 miles west on dirt road from junction at Lawndale Road, 1 mile from its junction with State Highway 12, southwest of Glen Ellen Comment
  CAS-BOT-BC66827  Thysanocarpus curvipes Ira L. Wiggins 1949-4-30 12069 A Sonoma 4 miles west of Calistoga. Comment
  CAS-BOT-BC66815  Thysanocarpus curvipes G. DeNevers 1981-3-25 559 Sonoma Pepperwood Ranch. On Franz Valley Road below Walter Wards house. Comment
  UCR265091  Thysanocarpus curvipes var. curvipes Ann Howald 2015-4-1 3334 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  RSA0039329  Thysanocarpus curvipes var. curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  CHSC22759  Thysanocarpus curvipes var. elegans Robert A. Schlising 1962-3-31 2125 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  CAS-BOT-BC67334  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  UC903301  Tiarella trifoliata var. unifoliata Ethel Crum 1930-7-27 824 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  CAS-BOT-BC447587  Tiarella trifoliata var. unifoliata J. W. Congdon 1892-5-30 s.n. Sonoma Trail from Shell Beach to Pomo Campground. 40 Comment
  CAS-BOT-BC447589  Tiarella trifoliata var. unifoliata L. R. Abrams 1920-7-3 7599 Sonoma Gualala River Comment
  POM312928  Tofieldia glutinosa subsp. occidentalis H. L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UC353822  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1928-6-28 3047 a Sonoma Pitkin Marsh Comment
  POM14850  Tonella tenella Michener, Bioletti 1893-04 s.n. Sonoma Adobe Canyon. Comment
  RSA523395  Tonella tenella Harry K. Roberts 1968-4-6 s.n. Sonoma North side of Mt Jackson, 1.5 airline miles NNE of Rio Nido, on road to lookout, ca 1 mile NE of Sonoma Mercury Mine. 320 Comment
  JEPS128233  Torilis arvensis Roger Raiche 2000-5-28 115 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR218632  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16214 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  UCD128172  Torilis nodosa Frederica Bowcutt 1984-6-23 436 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  CAS-BOT-BC81459  Torreya californica Mary P. Wells 1984-7-21 374 Sonoma Hot Spot (near So. Fork of Gualala River) The Sea Ranch Comment
  CAS-BOT-BC81461  Torreya californica J. W. Congdon 1880-5-17 116 Sonoma Guerneville 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
  UCD133448  Torreya californica Beecher Crampton 1969-7-14 8495 Sonoma North slope of Black Moutain. Geysers Road. 4 miles NE Geyserville (in direct line) 762 Comment
  UCD135170  Torreya californica A. T. Leiser 1969-6-25 s.n. Sonoma Just So. Ft. Ross Park, Highway 1. Comment
  SEINET7295150 Image available Torreyochloa pallida var. pauciflora A. S. Hitchcock 1908-1 2702 Sonoma Sherwood Comment
  CAS-BOT-BC172888  Toxicodendron diversilobum Alice Eastwood 1915-6-5 4583 Sonoma Petrified Forest Comment
  CAS-BOT-BC499109  Toxicoscordion fontanum Ann Howald 2015-4-13 3341 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, south shore, c. 300 ft N of intersection Pig Flat and Marsh Trails 363 Comment
  CAS-BOT-BC323058  Tracyina rostrata John Thomas Howell 1967-6-17 42599 Sonoma On Arthur E. Cooley Ranch at confluence of Galloway adn Dry Creeks, northern Sonoma Co. 182 Comment
  HSC37861  Trichostema laxum Peter Sorensen 1976-7-30 Sonoma The Geysers, Big Sulphur Creek Comment
  UCD125875  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 miles east of Occidental. Comment
  UCD158711  Trichostema laxum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Shell US Geothermal # 2. Elevation estimated by label maker. 792 Comment
  UCLA54886  Trichostema laxum Robert F. Hoover 1942-7-6 5911 Sonoma ridge S of The Geysers Comment
  SEINET11996903  Trientalis latifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -274 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC173562  Trifolium Peter Rubtzoff 1974-5-11 7383 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  RSA783465  Trifolium Peter Rubtzoff 1976-5-30 8555 Sonoma Kenwood Marsh Comment
  RSA784989  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784993  Trifolium Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  UC1541590  Trifolium albopurpureum var. dichotomum H. E. and S. T. Parks 1930-5-9 621 Sonoma Knights Valley Comment
  UC555446  Trifolium barbigerum H. L. Mason 1931-4-12 5843 Sonoma 1.5 mi w Fulton Comment
  UCD165157  Trifolium barbigerum Peter Rubtzoff 1974-5-19 7441 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UCD107880  Trifolium bifidum R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  UC1541604  Trifolium bifidum var. bifidum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  UCD107611  Trifolium buckwestiorum P. G. Connors 1995-6-11 350 Sonoma Bodega Head and Dunes. Cazadero, King Ridge Road. 292 Comment
  SEINET12166393  Trifolium campestre H. K. Wagnon 1989-1 1891 Sonoma Jack London State Park Comment
  UC1129993  Trifolium ciliolatum H. S. Yates 1934-4-22 3849 Sonoma 2 mi s Mark West; Calistoga quad 152 Comment
  SEINET12147997  Trifolium ciliolatum Unknown 1936-1 13104 Sonoma near Healdsburg Comment
  UCD108861  Trifolium dubium Caitlin Lewis; William Mutch 1993-4-17 8 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center. 365 Comment
  UCD136316  Trifolium hirtum M. Rei Scampavia Evangelista 2012-5-19 7 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  UCD109772  Trifolium hirtum Frederica Bowcutt 1996-5-19 2122 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Lower Bald Mountain trail. 426 Comment
  UCSC009217  Trifolium hydrophilum Randall Morgan 1998-5-25 2743 Sonoma Viansa Vineyard on west side of Highway 121, about 2 miles south of Highway 116, and approximately 6 miles north of Sears Point Comment
  SEINET12165542  Trifolium incarnatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -158 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd., between Jimtown & Mercuryville 120 Comment
  UCSC005925  Trifolium macraei Randall Morgan 1996-5-30 2979 Sonoma Bodega Marine Lab Comment
  UC631549  Trifolium microcephalum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  UCR255047  Trifolium microcephalum Greg de Nevers 1998-5-12 11248 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC80353  Trifolium microdon Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  JEPS85900  Trifolium obtusiflorum Jack and Betty Guggolz 1991-7-29 1218 Sonoma 2 mi n Camp Meeker (Upper Duvoul Creek) 121 Comment
  UC85321  Trifolium obtusiflorum Michener and Bioletti 1895-6-1 Sonoma Kenwood Comment
  UC631272  Trifolium oliganthum P. B. Kennedy 1915-5-31 Sonoma Annapolis Comment
  CDA31340  Trifolium repens D. G. Kelch, Ed Biffin 2010-5-3 10 .212 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC479714  Trifolium striatum Ann Howald 2003-5-15 2337 Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, upper E slope, c. 0.1 mi S of Rodgers Creek 205 Comment
  SEINET7075560  Trifolium variegatum 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
  UCD109400  Trifolium variegatum Jennifer Bury; Peggy Herzog 1993-5-8 277 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  UCD109525  Trifolium willdenovii P. G. Connors 1992-5-8 249 Sonoma Bodega Head and Dunes. Comment
  UC165540  Trifolium willdenovii H. P. Chandler 1907-4-21 1723 Sonoma rd from Glen Ellen to Oakville Comment
  UC1130177  Trifolium wormskioldii H. S. Yates 1934-4-21 3785 Sonoma near Bodega; Sebastopol Quad. 91 Comment
  CDA28069  Trifolium wormskioldii M. S. Bergseng 1959-8-4 3809 Sonoma Sonoma Coast State Park. 0 Comment
  UCD138199  Triglochin scilloides G. F. Hrusa; R. Gross, A. Buckmann 1996-3-29 12742 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. 110 Comment
Read comments
May 25 2016
  CAS-BOT-BC451982  Triglochin striata Peter Rubtzoff 1973-9-15 7328 Sonoma Lower Salmon Creek Marsh. Slough just east of Hwy. 1. Comment
  CAS-BOT-BC368077  Trillium albidum Greg de Nevers 1998-4-27 11203 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC520852  Trillium albidum Greg de Nevers 1993-4-6 10360 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UC1134687  Trillium albidum E. Armstrong 1934-2-26 945 Sonoma Camp Meeker Sebastopol Quad., Camp Meeker Comment
  CAS-BOT-BC521308  Trillium rivale Peter Rubtzoff 1953-5-18 1406 Sonoma Forested hills south of Guerville (Neeley Hill area). Comment
  JEPS87248  Triphysaria eriantha subsp. eriantha Jack and Betty Guggolz 1991-5-27 1152 Sonoma found between Hwy 1 and the ocean just s of the s end Myers Grade 182 Comment
  JEPS10692  Triphysaria eriantha subsp. rosea Docia I. Patchett 1918-5-26 Sonoma near Black Point; near Black Point Comment
  CHSC32884  Triphysaria versicolor subsp. faucibarbata N. Kvasnik 1980-4-2 2 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  SEINET7067247  Triphysaria versicolor subsp. faucibarbata A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  HSC20863  Triphysaria versicolor subsp. faucibarbata R. F. Good 1962-4-20 25 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes, Sonoma Mtn. Coast Range 0 Comment
  SBBG68603  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1920-5-9 631 Sonoma Knights Valley Comment
  CAS-BOT-BC200103  Trisetum canescens G. DeNevers 1982-5-18 2028 Sonoma At road's end at the Redwoods, Pepperwood Ranch Comment
  UC1133276  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 2 mi se Forestville; Pitkin Marsh, Sebastopol Quad. 30 Comment
  CAS-BOT-BC200111  Trisetum canescens G. DeNevers 1981-5-23 1303 Sonoma On Devils Kitchen Hill Comment
  UCD93632  Trisetum canescens R. Tofsrud 1941-4-1 156 Sonoma Rhododendron Park. Comment
  RSA121006  Tristagma uniflorum Peter H. Raven 1950-4-6 1598 Sonoma Vernal Flats, Santa Rosa to Rincon Ridge. 183 Comment
  CAS-BOT-BC522358  Triteleia hyacinthina Peter Rubtzoff 1971-5-8 6439 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  CAS-BOT-BC522360  Triteleia hyacinthina Peter Rubtzoff 1969-5-11 6042 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner road. Comment
  CAS-BOT-BC522374  Triteleia hyacinthina Catherine Best 1983-5-11 s.n. Sonoma In a field along the west side of Arnold Drive about .5 miles south of the intersection of Hwy. 116 Comment
  CAS-BOT-BC522375  Triteleia hyacinthina John Thomas Howell 1945-5-30 20907 Sonoma Pitkin Marsh Comment
  RSA41933  Triteleia hyacinthina H. C. Cantelow 1938-5-1 749 Sonoma Shellville Road about 25 miles north of Ross Comment
  CAS-BOT-BC527032  Triteleia laxa Peter Rubtzoff 1952-6-10 1199 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC527041  Triteleia laxa L. R. Abrams 1920-7-9 7636 Sonoma Stewarts Point Comment
  SEINET12049783  Triteleia laxa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -151 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 80 Comment
  SEINET7042672  Triteleia laxa A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 5.1 miles east of Windsor. Healdsburd quadrangle UTM Zone 10, 519806mE, 4273479mN. 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
  UCD164987  Ulmus Peter Rubtzoff; Nancy Harrison, Ruth Hass 1974-8-31 7854 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC91287  Umbellularia californica Aven Nelson; Ruth A. Nelson 1933-5-14 551 Sonoma Kenwood. (Baker's). Comment
  RSA102075  Umbellularia californica John Reafield 1872-8-27 329 Sonoma Geyser Comment
  UC1084350  Umbellularia californica G. Thomas Robbins 1937-3-25 5 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  UCD137872  Umbellularia californica C. Winstrom 1996-5-26 30 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  RSA318039  Umbellularia californica S. Cooper Smith 1935-4-1 35 -1 Sonoma East of Fulton. 976 Comment
  SEINET12090183  Umbellularia californica W. Knight, Knight, I. 1981-1 3963 Sonoma 2.3 mi up Cavedale Road from junction of State Route #12 Comment
  CAS-BOT-BC382823  Uropappus lindleyi K. L. Chambers 1978-4-29 4466 Sonoma Cloverdale to Fort Bragg road (Hwy. 128), 3.8 miles W of junction with Hwy. 101 at Cloverdale Comment
  UCD118088  Vaccinium ovatum A. T. Leiser 1968-1-16 s.n. Sonoma N. end of ridge, Sea Ranch. 91 Comment
  CDA24422  Vancouveria planipetala G. D. Barbe 1982-5-27 3624 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  JEPS78948  Vancouveria planipetala Edward Lee 1936-6-8 2216 Sonoma Smith Creek Road Bohemian Grove Comment
  CAS-BOT-BC76169  Vancouveria planipetala M. S. Baker 1899-5-6 s.n. Sonoma Green Valley, near Gallagher's. Comment
  CAS-BOT-BC164069  Verbascum Peter Rubtzoff 1962-8-24 5070 Sonoma Fife Creek Marsh Comment
  JEPS39095  Verbena lasiostachys var. lasiostachys W. L. Jepson 1921-9-12 9486 Sonoma Alexander Valley 45 Comment
  RSA785448  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC269309  Veronica Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  UCD166211  Veronica Peter Rubtzoff 1970-4-19 6211 Sonoma Forest Hills, 5.5 mi. east of Guerneville at 9981 Old River Road. Comment
  CAS-BOT-BC262801  Veronica americana Peter Rubtzoff 1977-9-4 9127 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  UCR279614  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh 9 Comment
  UCD124692  Veronica arvensis Charles B. Heiser Jr. 1946-4-13 1717 Sonoma 3 miles west of Duncan Mills, near Russian River. Comment
  UC27729  Veronica peregrina subsp. xalapensis H. N. Bolander 1864-1 3872 Sonoma Mark West Comment
  JEPS81725  Veronica scutellata Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6362 Sonoma n of Sebastopol (at Pitkin Marsh); Vine Hill region, Pitkin Marsh 60 Comment
  RSA799986  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh. Comment
  UCR256113  Vicia lutea Greg de Nevers 1994-5-21 10524 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA239726  Vicia sativa Unspecified 1973-5-18 1083 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Road, 1.3 mi. north of jct. with Guerneyville Rd. from Santa Rosa. Comment
  UCSB22472  Vicia sativa subsp. nigra McCarthy, Sharon 1965-4-17 Sonoma In field west of 5th Street West, opposite Betancourt Street intersection, Sonoma 25 Comment
Read comments
Jul 28 2008
  JEPS77260  Vicia sativa subsp. sativa Robert M. Lloyd 1963-4-24 2397 Sonoma on road to Oakdale (16.0 mi from State Highway) 274 Comment
  RSA77970  Vicia villosa Verne Grant, Alva Grant, Adele Lewis Grant 1947-5-4 7959 Sonoma Sebastopol to Santa Rosa Comment
  CAS-BOT-BC368079  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  JEPS46282  Viola adunca Eleanor Armstrong 1933-4-14 740 Sonoma Bodega Hill Comment
  POM135111  Viola adunca A. A. Heller, H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay Comment
  UC1761581  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation (Baxman Ranch) Comment
  UC518980  Viola douglasii J. Clausen 1933-3-25 732 Sonoma Melita Comment
  UC1763347  Viola douglasii Milo S. Baker 1905-4-15 5515 Sonoma Santa Rosa Golf Links, Peach Flat Comment
  UC1763353  Viola douglasii Edith Hessel 1927-3-5 Sonoma Santa Rosa Golf Club, on road past golf house, turns from road to Sonoma Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC536905  Viola glabella Peter Rubtzoff 1959-4-19 4045 Sonoma Sonoma County Marshes: Duncans Mills Marsh, at the border of the upper part of the Marsh Comment
  CAS-BOT-BC536910  Viola glabella Dorothy Scherer 1996-3-25 012 Sonoma Kolmer Gulch, just E of Hwy 1 and S side of stream, Fort Ross State Historic Park 11 Comment
  UC1762531  Viola lobata Milo S. Baker 1947-5-5 11714 Sonoma Hod [Hood?] Mt., near Grant Line Comment
  UC1763295  Viola lobata Milo S. Baker 1905-4-1 5221 Sonoma Hood Mountain on Macartney road Comment
  JEPS18183  Viola lobata subsp. integrifolia Rimo Bacigalupi with F. Chisaki and G. T. Robbins 1956-4-17 5588 Sonoma 1.4 mi w of Lake County Line (along Ida Clayton Road, 7.2 mi from its Kellogg Valley end) 762 Comment
  UC496480  Viola ocellata Merle Randall 1930-6-8 Sonoma Austin Creek; Cazadero, Austin Creek Comment
  UC540626  Viola palustris subsp. brevipes Milo S. Baker 1934-4-1 7692 a Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  UC1762575  Viola pedunculata Milo S. Baker May 1897 5539 Sonoma road from Petaluma to Santa Rosa Comment
  UC1761388  Viola purpurea subsp. quercetorum Elmer I. Applegate 1934-3-25 8852 Sonoma Pine Flat region Comment
  CDA36403  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  SEINET3825247 Image available Viscum album Stanley Rose 1966-1-2 Sonoma 1 miles from Sebastopol on Gravenstein Highway North Comment
  SEINET3840829  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Sacremento, 1220 Gravestein highway north at Hill Station road, one mile north of Sebastopol Comment
  CAS-BOT-BC540819  Vitis Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC203126  Vitis californica Peter Rubtzoff 1960-5-29 4423 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC203134  Vitis californica A. A. Heller 1902-6-24 5760 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC203135  Vitis californica C. B. Wolf; B. D. Stark 1933-9-27 5512 Sonoma 5.8 mi. N.W. of Kellogg on rd. to Geyserville 91 Comment
  UC1541477  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  UC552472  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  UCD102856  Vitis californica C. Wistrom 1996-5-26 25 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  CAS-BOT-BC199897  Vulpia bromoides Catherine Best 1980-4-29 s.n. Sonoma Westerbecks [Westerbeke] Ranch near El Verano Comment
  CAS-BOT-BC199899  Vulpia bromoides Barrett Anderson 1987-4-27 3467 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  CAS-BOT-BC199917  Vulpia bromoides Peter Rubtzoff 1952-6-10 1205 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UC1023606  Vulpia bromoides Virginia Bufford 1935-5-17 39 Sonoma Guernewood Park; Russian River Comment
  UCD93548  Vulpia bromoides P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD93580  Vulpia bromoides Collector unknown 1941-3-1 s.n. Sonoma Santa Rosa. Comment
  UCD93701  Vulpia microstachys K. Wagnon 1940-5-4 260 Sonoma Adobe Canyon. Comment
  CAS-BOT-BC183219  Vulpia microstachys var. ciliata John Thomas Howell 1943-4-18 17924 Sonoma Hills east of Agua Caliente Comment
  SEINET197665 Image available Vulpia microstachys var. ciliata Leo Koch 23/47/0001 835 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  CAS-BOT-BC185831  Vulpia myuros subsp. megalura John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54657 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC185836  Vulpia myuros subsp. megalura G. DeNevers 1981-5-11 1120 Sonoma By the Garrison Gate Comment
  CAS-BOT-BC178599  Vulpia myuros var. myuros G. De Nevers 1981-5-7 1008 Sonoma On roadcut by confluence of Leslie Creek with Mark West Creek - Pepperwood Ranch Comment
  SD130428  Whipplea modesta F. Almeda, G. DeNevers 1981-3-30 4896 Sonoma Pepperwood Ranch; in Redwood Canyon. Comment
  SD88336  Whipplea modesta Darley F. Howe 1972-5-1 Sonoma Duncan Mills Pond 152 Comment
  SEINET3224811 Image available Whipplea modesta Marcus E. Jones 1882-7-17 2658 Sonoma Duncan's Mills. Comment
  UCD117296  Whipplea modesta L. Whitney 1932-4-11 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  CAS-BOT-BC73579  Woodwardia fimbriata Peter Rubtzoff 1958-8-23 3912 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC73581  Woodwardia fimbriata Peter Rubtzoff 1960-5-16 4356 Sonoma Duncans Mills Marsh.