Search Results — 2000 specimen records retrieved (1267 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-BC78078  Abies grandis John Thomas Howell 1930-7-27 5398 Sonoma canyon 1 mile north of Fort Ross Comment
  POM180771  Abies grandis J. T. Howell 1930-7-27 5398 Sonoma Canyon 1 mile N of Fort Ross. Comment
  RSA0025741  Abronia latifolia J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  UCD109792  Abronia latifolia Steven Yoder 1969-5-24 28 Sonoma 1 mile north of Marine Lab at Bodega Bay. 7 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
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  RSA102062  Acer macrophyllum John H. Redfield 1872-8-27 53 Sonoma Near Healdsburg Comment
  UC1084436  Acer macrophyllum G. Thomas Robbins 1940-3-21 294 Sonoma along Chalk Hill road ca 5 mi e Windsor; e of Windsor 91 Comment
  HSC2827  Acer negundo var. californicum Martha Meagher 1947-3-22 98 Sonoma Co. rd. 0.5 mi. W of Freezeout Creek across Russian River from Duncan's Mills Comment
  UCSB50239  Achillea millefolium Gray, John 1976-5-1 Sonoma Bluff over Salmon Creek State Beach; T6N R11W 18 Comment
  UCD151201  Achnatherum lemmonii James A. Neilson Jr. 1974-7-10 2818 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  CAS-BOT-BC29162  Achyrachaena mollis J. T. Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53994 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC29168  Achyrachaena mollis Barrett Anderson 1987-4-27 3454 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  UCR280135  Achyrachaena mollis Peter Rubtzoff, H. A. Froebe 1971-5-30 6478 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC166737  Achyrachaena mollis Peter Rubtzoff 1963-6-18 5180 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC29158  Achyrachaena mollis D. D. Keck 1933-5-28 2323 Sonoma 3.4 miles east of Shellville (jsut east of intersection of Sonoma Road) Comment
  POM182698  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  CAS-BOT-BC85  Acmispon aestivalis Amos Arthur Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  JEPS128276  Acmispon brachycarpus Roger Raiche 2005-4-22 014 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD161298  Acmispon glaber James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3709 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  NY380621  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  CAS-BOT-BC30278  Adenocaulon bicolor Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road, 3 miles east of Stewarts Point Comment
  SD88500  Adenocaulon bicolor Darley F. Howe 1972-6-27 Sonoma Trail above Duncan Mills Pond Comment
  CAS-BOT-BC29844  Adenocaulon bicolor J. W. Congdon 1880-7-4 s.n. Sonoma unspecified Comment
  SEINET5501068 Image available Adenostoma fasciculatum Sally Walker 1981-1 Sonoma Franz Valley Rd, 1/10 mi N of 7 V. School Rd. Comment
  JEPS128354  Adiantum capillus-veneris Roger Raiche 2000-5-5 097 .00 Sonoma The Cedars. Venus' Seep in Spicebush Canyon. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS82260  Adiantum capillus-veneris Roger Raiche 1983-6-25 30423 Sonoma ca 1 mi w Laton Mine (headwaters of Austin Creek, The Cedars) 365 Comment
  SJSU2057  Adiantum capillus-veneris A. Bascom 1958-5-16 Sonoma Crane Valley Rd 16 mi SE of Santa Rosa Comment
  CAS-BOT-BC65688  Adiantum jordanii Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  SEINET11720936  Adiantum jordanii F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -58 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  SEINET12237640  Aesculus californica F. H. Utech 1986-1 86 -103 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  NY81  Agastache glaucifolia A. A. Heller 1902-6-28 5792 Sonoma Between Knight's Valley and Mark West Springs. Comment
  UC76199  Agastache urticifolia Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  CAS-BOT-BC29576  Agoseris apargioides var. eastwoodiae Rimo Bacigalupi 1928-6-18 1877 Sonoma At mouth of Salmon Creek, 2 miles south of Bodega Bay Comment
  UC126386  Agoseris apargioides var. eastwoodiae Katharine Brandegee 1905-1 Sonoma Bodega Head Bodega Head Comment
  RSA416393  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  JEPS128206  Agoseris heterophylla Roger Raiche 2000-4-23 041 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC13169  Agoseris hirsuta A. A. Heller 1902-6-2 5632 Sonoma Santa Rosa Comment
  NY7042  Agoseris maritima A. Eastwood s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC451164  Agrimonia gryposepala Greg de Nevers 1991-7-20 9765 Sonoma Ida Clayton Road, at the big spring about 7 miles from Hwy 128 609 Comment
  CAS-BOT-BC166695  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC176398  Agrostis Peter Rubtzoff 1964-6-24 5378 Sonoma Coleman Marsh, along Salmon Creek Comment
  CAS-BOT-BC210016  Agrostis Peter Rubtzoff 1968-7-13 5914 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC361348  Agrostis Greg de Nevers 1997-4-24 10962 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC33751  Agrostis alba Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6003 Sonoma Guerneville Comment
  UCD37158  Agrostis blasdalei Beecher Crampton 1957-7-11 4352 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51832  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  CAS-BOT-BC127485  Agrostis capillaris D. E. Breedlove 1980-6-28 44790 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  UCR119036  Agrostis clivicola Beecher Crampton 1957-7-11 4336 Sonoma Central Coast, 1.7 miles north of Salmon Creek, Sonoma Coast State Park along State Highway 1 30 Comment
  CAS-BOT-BC127469  Agrostis densiflora Alice Eastwood 1915-6-29 4871 Sonoma Bodega Point. Comment
  UCD51885  Agrostis densiflora Beecher Crampton 1957-7-22 4367 Sonoma 0.3 mile south of Stewart's Point, above Fisherman's Bay. Comment
  CAS-BOT-BC139551  Agrostis gigantea Herbert L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  UC1011207  Agrostis hallii Virginia Bufford 1936-5-21 370 Sonoma near Skaggs Springs Comment
  UCD37347  Agrostis hallii Beecher Crampton 1959-6-16 5376 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  RSA74318  Agrostis hallii Anonymous 1947-5-12 11762 Sonoma Near horse trail in rocky ledge Hood Mt. 427 Comment
  CAS-BOT-BC138857  Agrostis microphylla K. Wagnon 1939-5-11 190 Sonoma Vernal Pool in Bennett Valley. Comment
  UC1112778  Agrostis microphylla Leo Whitney 1935-4-14 2258 b Sonoma near Occidental (Blunden's Pasture); Blunden's Pasture Comment
  RSA94289  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Uppermost part of the western branch of the Uppper Marsh Comment
  CAS-BOT-BC138914  Agrostis pallens Milo S. Baker 1947-5-30 11774 Sonoma 2 miles northeast of Occidental along Harrison Grade. Comment
  CAS-BOT-BC138918  Agrostis pallens G. DeNevers 1981-7-1 1721 Sonoma Pepperwood Ranch. Garrison Canyon. Comment
  CDA31307  Agrostis pallens D. G. Kelch, Ed Biffin 2010-5-3 10 .214 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD53076  Agrostis pallens R. Tofsrud 1941-7-1 128 Sonoma Parker Hill, Santa Rosa. Comment
  SEINET7594115 Image available Agrostis pallens A. S. Hitchcock 1908-1 2675 Sonoma Cloverdale, Cloverdale Comment
  UCD53528  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. Comment
  UCD53593  Agrostis stolonifera Mary M. Hektner 1974-6-28 80 Sonoma 6 feet north of Breaker Reach, Unit 21 Owners' Map, Sea Ranch, nera State Highway 1. Comment
  CAS-BOT-BC47988  Ailanthus altissima Greg de Nevers 1992-6-26 10185 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  CAS-BOT-BC176185  Aira caryophyllea Peter Rubtzoff 1974-5-25 7459 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC210112  Aira caryophyllea Peter Rubtzoff 1971-6-5 s.n. Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  UCD55781  Aira caryophyllea Chris Bowen 1974-5-19 136 Sonoma Unit 24 Owners' Map. Sea Ranch. Near Pacific Reach. Near State Highway 1. Comment
  CAS-BOT-BC138393  Aira caryophyllea var. capillaris K. Wagnon 1939-4-20 180 Sonoma About 2 miles west of Vine Hill School along road. Comment
  CAS-BOT-BC138206  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1951-6-16 230 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC138215  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1952-6-10 1213 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  CAS-BOT-BC257361  Alisma Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC445343  Alisma lanceolatum Peter Rubtzoff 1959-9-13 4265 Sonoma Vacation Beach, near (2 mi. below) Guerneville. Comment
  CAS-BOT-BC462384  Allium amplectens L. S. Rose 1931-4-28 s.n. Sonoma Between Black Point and Shellville Comment
  CAS-BOT-BC462388  Allium amplectens Milo S. Baker 1927-6-5 2211 d Sonoma Near Kenwood Comment
  JEPS82409  Allium bolanderi Roger Raiche 1983-6-4 30374 Sonoma Sweetwater Springs Road 3.9 mi w West Side Highway (above Porter Creek, e of its intersection with John Gordon Creek, on s side of road); Porter Creek 121 Comment
  CAS-BOT-BC451308  Allotropa virgata Greg de Nevers 1991-6-22 9752 Sonoma Pepperwood Natural Preserve., 33450 Franz Valley Road 475 Comment
  CAS-BOT-BC169367  Alnus rubra John Thomas Howell 1934-3-3 11736 Sonoma 8 miles S of Fort Ross Comment
  RSA800595  Alnus rubra Peter Rubtzoff 1966-11-9 5836 Sonoma Salmon Creek near Freestone. Comment
  CAS-BOT-BC138043  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-8-13 2045 Sonoma Duncans Mills Marsh. Comment
  JEPS45803  Alopecurus aequalis var. sonomensis Eleanor Armstrong 1932-5-25 173 Sonoma 3 mi. w. Graton (<Schackley> Flat) 45 Comment
  CAS-BOT-BC540840  Amaranthus Peter Rubtzoff 1973-9-4 7300 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville Comment
  RSA105447  Amaranthus powellii Leo Koch 1938-10-20 324 Sonoma S.R.J.C. campus field along Highway 101, Santa Rosa Comment
  CAS-BOT-BC135669  Amelanchier utahensis D. E. Breedlove 1980-6-27 44779 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC154125  Ammannia coccinea Peter Rubtzoff 1963-9-21 5271 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC137883  Ammophila arenaria W. M. Hiesey 1945-9-21 s.n. Sonoma Bodega sand dunes. Comment
  JEPS97564  Ammophila arenaria R. D. Stone 1980-11-28 322 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  POM161569  Amorpha californica var. napensis R. C. Bacigalupi 1927-9-3 s.n. Sonoma 2 miles NW of Cazadero on road to Sea View Comment
  SEINET7062934  Amorpha californica var. napensis A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor on Porter Creek Road. UTM Zone 10, 528660mE, 4266821mN. (WGS84/NAD83). 329 Comment
  CAS-BOT-BC177227  Amorpha californica var. napensis Michener; Bioletti 1893-5-1 s.n. Sonoma Nun's [Canon] Canyon Comment
  CHSC21835  Amsinckia intermedia Robert A. Schlising 1962-3-31 2113 Sonoma In pastured field. Comment
  UC79320 Image available Amsinckia lycopsoides Katharine Brandegee 1905-6-25 Sonoma Bodega Head Comment
  UCD15058  Anagallis arvensis James Aronson 1977-4-15 19 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road along Skaggs Springs Road; Comment
  CAS-BOT-BC45082  Anaphalis margaritacea Alice Eastwood 1915-6-29 4810 Sonoma Bodega Point Comment
  SEINET3918234  Andropogon glomeratus Fred W. Hoffman 1943-6-17 s.n. Sonoma Guerneville.; 0 Comment
  UC1057473  Anemone oregana G. Thomas Robbins 1940-3-21 298 Sonoma ca 6 mi e Windsor (foothills, canyon e of Chalk Hill rd) Comment
  UCR255042  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  HSC71420  Angelica californica J. M. DiTomaso 1980-7-8 1738 Sonoma Summit of road between Glen Ellen and Oakville 457 Comment
  POM188472  Angelica californica Marcus E. Jones 1931-7-5 29050 Sonoma Cloverdale. Comment
  JEPS16078  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  CDA38227  Angelica hendersonii T. C. Fuller 1957-9-24 398 -57 Sonoma Stewarts Point. 0 Comment
  UC174199  Angelica tomentosa Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  SD41487  Angelica tomentosa var. hendersonii Edith A. Purer 1932-7-21 4046 Sonoma Bodega Bay Comment
  CAS-BOT-BC271432  Anisocarpus madioides G. DeNevers 1981-6-6 1463 Sonoma Woodland on N slope of Telegraph Hill, Pepperwood Ranch Comment
  JEPS40427  Anisocarpus madioides Edw. L. Greene 1894-6-14 Sonoma Knights Valley Comment
  CAS-BOT-BC271440  Anisocarpus madioides H. M. Hall 1931-5-28 13103 Sonoma Four miles northeast of Mark West Spr., Northeastern Sonoma County Comment
  CAS-BOT-BC173672  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC137768  Anthoxanthum aristatum G. DeNevers 1981-5-30 1419 Sonoma Pepperwood Ranch. Low place east of the Pippindale Pond. Comment
  POM311191  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  UCD56145  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  SEINET11671349  Anthoxanthum aristatum Unknown 1940-1 841 Sonoma along Hwy 101, N of Windsor Comment
  CAS-BOT-BC280663  Anthoxanthum occidentale J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville Comment
  HSC93590  Anthoxanthum occidentale G. Fred Hrusa, G. L. Stebbins 1994-3-28 11705 Sonoma 14 mi. W of Cazadero Comment
  UCD85329  Anthoxanthum occidentale Collector Unknown 1941-3-1 s.n. Sonoma Garden in S. R. (Bud's) Comment
  CAS-BOT-BC137692  Anthoxanthum odoratum John H. Thomas 1976-6-16 18336 Sonoma Southern Part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD56277  Anthoxanthum odoratum Beecher Crampton 1957-7-22 4362 Sonoma 8 miles north of Stewart's Point, Bishop Pine grove along State Hwy. 1. Comment
  UC249613  Anthriscus caucalis Joseph P. Tracy 1921-5-26 5799 Sonoma near Cloverdale (on road towards Hopland); Northern Coast Ranges 304 Comment
  UCD160312  Anthriscus caucalis James A. Neilson Jr. 1975-5-23 3212 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CDA41216  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum T. C. Fuller 1958-5-24 4015 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  JEPS5285  Antirrhinum virga W. L. Jepson 1894-7-19 21300 Sonoma Mt. St. Helena Comment
  UCD95528  Aquilegia formosa Frederica Bowcutt 1997-7-19 2194 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.75 air mile S of Red Mountain, 0.5 air miles NNW of confluence of the Malm Fork, 1.0 air miles WSW of Brushy Peaks. 457 Comment
  RSA0125506  Arabis blepharophylla J. T. Howell 1930-6-8 5253 Sonoma 1 mile east of Bodega Bay. Comment
  CHSC69207  Arctostaphylos James D. Jokerst 1989-4-14 3099 Sonoma Healdsburg Area A Specific Plan Study, in project area. On ridge adjacent to existing subdivision, SW portion of project area. Comment
  UC1388328  Arctostaphylos Freed W. Hoffman 1947-4-3 667 Sonoma near Healdsburg (headwaters of creek); North Coast Ranges, Wild Hog Ridge, Mill Creek Comment
  UC549543  Arctostaphylos J. E. Adams 1934-3-28 720 Sonoma near Santa Rosa; Vine Hill school Comment
  RSA0077990  Arctostaphylos B. A. Stein 1981-3-7 446 Sonoma Vine Hill Rd., 1/2 mile S of Vine Hill School Rd. Comment
  UC1388323  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 505 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  CAS-BOT-BC24087  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10954 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC25319  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10958 Sonoma Serpentine ridge, 2 miles E of Occidental Comment
  CDA11253  Arctostaphylos bakeri G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-5 11876 Sonoma North Coast Biodiversity Arena; Approx. 1 m. N of Camp Meeker on Bohemian Hwy. 0 Comment
  UC549711  Arctostaphylos bakeri J. E. Adams 1935-3-1 1031 Sonoma Occidental Comment
  RSA622701  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24704 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622702  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24701 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA339386  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill 121 Comment
  RSA622726  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24763 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC23971  Arctostaphylos canescens subsp. canescens A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  CDA11166  Arctostaphylos canescens subsp. canescens G. F. Hrusa 1989-1-1 5797 Sonoma North Coast Biodiversity Arena; Along Cavedale Rd., 2 miles E of Hwy 12. Comment
  POM203044  Arctostaphylos canescens subsp. canescens J. T. Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point. Comment
  UC1120921  Arctostaphylos canescens subsp. canescens R. W. Lundh and J. B. Spring 1932-7-19 119 Sonoma 1/2 mi w Los Alamos School; Santa Rosa Quadrangle 518 Comment
  UC535019  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma n Santa Rosa; Rincon Ridge 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
  UC876540  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1933-3-18 7331 Sonoma 2 mi ne Santa Rosa; Rincon Ridge Comment
  CAS-BOT-BC23641  Arctostaphylos columbiana Mary P. Wells 1986-1-9 705 A Sonoma Edge of forest by Pilot's Beach, The Sea Ranch Comment
  CAS-BOT-BC23868  Arctostaphylos columbiana Mary P. Wells 1983-8-3 s.n. Sonoma The Sea Ranch, timber preserve of Oceanic of California, Inc. Comment
  UC424786  Arctostaphylos columbiana Milo S. Baker 1929-7-16 3621 c Sonoma nw Inverness (near Hiway) Comment
  CAS-BOT-BC25020  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  LA42171  Arctostaphylos densiflora E. B. Copeland; 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  POM204431  Arctostaphylos densiflora J. T. Howell 1931-3-14 5770 Sonoma Vine Hill District Comment
  RSA177948  Arctostaphylos densiflora R. F. Thorne 1965-4-19 34320 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  SDSU1493  Arctostaphylos densiflora D. F. Howe 1963-5-22 3523 Sonoma Vine Hill Road, about 10 miles west of Santa Rosa. 152 Comment
  UC1120149  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1564 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC424817  Arctostaphylos densiflora Milo S. Baker 1930-3-1 3882 Sonoma along hwy by Frei Ranch; Vine Hill region Comment
  CDA38592  Arctostaphylos densiflora T. C. Fuller 1958-5-24 3997 Sonoma Vinehill District. 0 Comment
  JEPS98887  Arctostaphylos glandulosa subsp. cushingiana James Roof 1967-3-19 Sonoma W of Healdsburg (Dorman Canyon Road); Dry Creek watershed Comment
  RSA631183  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24736 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631188  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24720 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 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
  UC727007  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller 1942-3-15 16390 Sonoma ne Santa Rosa (top of ridge); Rincon Ridge Comment
  CDA10854  Arctostaphylos glandulosa var. cushingiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11730 Sonoma North Coast Biodiversity Arena; N facing slope at Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  CDA31299  Arctostaphylos glandulosa var. cushingiana D. G. Kelch, Ed Biffin 2010-5-3 10 .204 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS82522  Arctostaphylos hispidula Roger Raiche 1984-2-26 40044 Sonoma Rockpile Road about 9.1 mi n origin at Skaggs Spring-Stewarts Point Road 502 Comment
  CAS-BOT-BC39112  Arctostaphylos hispidula Roger Raiche 1984-1-14 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile road). 518 Comment
  SBBG119553  Arctostaphylos manzanita C. Bornstein, E. Collins 2006-8-24 Sonoma Rincon Ridge Park Sensitive Area, Park Gardens Drive off Rincon Ridge Drive 259 Comment
  SEINET2029878 Image available Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 miles west of Santa Rosa Comment
  UCD51990  Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch; 10 miles west of Santa Rosa. Comment
  UCD59187  Arctostaphylos manzanita Roger Raiche 1982-11-20 20860 Sonoma On serpentine of Morrison Ridge. Gilliam Greek watershed. East Austin Creek State Rec. Area. 304 Comment
Read comments
Oct 17 2013
  SEINET11990962  Arctostaphylos manzanita Unknown 1983-1 30499 F Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11998387  Arctostaphylos manzanita W. Knight, Knight, I. 1990-1 6577 Sonoma near jct of Old Quarry Rd near county refuse disposal site, extends along road for 0.5 mile 191 Comment
  CAS-BOT-BC38903  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7949 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38905  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11301 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38682  Arctostaphylos manzanita subsp. manzanita Catherine Best 1981-2-15 s.n. Sonoma Trinity Mt. Road between Sonoma and Napa Valleys Comment
  CAS-BOT-BC38688  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5774 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38695  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4751 Sonoma The Cedars, near Cazadero 274 Comment
  CAS-BOT-BC38701  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-2-28 55006 Sonoma Vine Hill, 9 mi. W. of Santa Rosa Comment
  CAS-BOT-BC38714  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38722  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College avenue Highway, near Santa Rosa Comment
  CAS-BOT-BC38693  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Jacob Sigg 1981-3-11 4158 Sonoma From Strybing Arboretum, Golden Gate Park, San Francisco, #68-88, via Univ. of Cal. Davis, their #67.718. Comment
  UCD52885  Arctostaphylos nummularia G. L. Stebbins Jr. 1970-7-14 7055 Sonoma Three miles northwest of Plantation. 274 Comment
  HSC99997  Arctostaphylos nummularia subsp. nummularia J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12693 Sonoma Salt Point State Park Comment
  CAS-BOT-BC47341  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5777 Sonoma Vine Hill District, 10 mi. w. of Santa Rosa. Comment
  CDA12041  Arctostaphylos stanfordiana G. F. Hrusa 1990-1-2 7350 Sonoma North Coast Biodiversity Arena; NW slopes of Hogback Mtn. approx. 4 km. NE of Sonoma. Comment
  RSA636806  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24755 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
  RSA636822  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24739 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET2028696 Image available Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC549680  Arctostaphylos stanfordiana J. E. Adams 1935-3-1 1021 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UCD160018  Arctostaphylos stanfordiana James A. Neilson Jr. 1975-1-24 s.n. Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  SEINET7267257  Arctostaphylos stanfordiana L. Fallon 1939-1-6 s.n. Sonoma 1 mile north of Santa Rosa Comment
  POM209919  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 6 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  POM210078  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  UC549512  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 825 Sonoma McNamees Store Comment
  UC549532  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 823 Sonoma s McNamees Store Comment
  SEINET11990978  Arctostaphylos uva-ursi Unknown 1983-1 30488 Sonoma Horseshoe Point, near Kruse Rhodendron State Reserve Comment
  UCD52446  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek, Sonoma County. Comment
  SEINET11989677  Arctostaphylos viscida Unknown 1982-1 20656 Sonoma East Austin Creek State Park, nr intersection of Gilliam Creek & Schoolhouse Creek along old mine rd Comment
  UCD59398  Arctostaphylos viscida subsp. pulchella Walter and Irja Knight; Dr. Steve Edwards 1986-4-20 5364 Sonoma Along trail to Sulphur Peak, east of Geyserville. 975 Comment
  UC1388346  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-2-28 762 Sonoma near Guerneville (headwaters of creek); North Coast Ranges, Gilliam Creek Comment
  UC1135994  Aristolochia californica H. S. Yates 1934-4-22 3850 Sonoma 3 mi. e. Mark West; Calistoga Quad. Comment
  JEPS26347  Armeria maritima subsp. californica W. L. Jepson 1931-7-19 15944 Sonoma Salmon Creek; sea-bluffs Comment
  SEINET7067267  Armeria maritima subsp. californica A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  CDA31283  Arnica discoidea D. G. Kelch, Ed Biffin 2010-5-3 10 .192-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CDA391  Arnica discoidea D. G. Kelch 2003-7-14 3 .376 Sonoma Cavedale Road. Comment
  CAS-BOT-BC175852  Artemisia Peter Rubtzoff 1953-11-1 1435 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS36962  Artemisia douglasiana W. L. Jepson 1931-7-19 15935 Sonoma Watson School Bodega 152 Comment
  JEPS37016  Artemisia douglasiana W. L. Jepson 1921-9-12 9480 Sonoma south side of Alexander Valley Alexander Valley 45 Comment
  UCD158727  Artemisia douglasiana Teresa A. Sholars 1976-9-11 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
  CAS-BOT-BC175851  Artemisia douglasiana Peter Rubtzoff 1955-10-12 2164 Sonoma Duncans Mills Marsh. Comment
  RSA0015428  Artemisia pycnocephala Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  SEINET196505  Artemisia vulgaris J. D. Skoss 1948-7-25 41 Sonoma Sonoma County: Shellville. Comment
  UC72227  Asarum caudatum Milo S. Baker 1898-4-5 Sonoma Near Stewart's Point Comment
  JEPS128365  Aspidotis californica Roger Raiche 2009-4-30 029 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  UCD158841  Aspidotis densa James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2914 Sonoma North central part of Section 15, 0.25 mile south of Harness Camp and 2 miles west of The Geysers . (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC68782  Aspidotis densa Donald Branscomb; Harry K. Roberts 1958-6-14 s.n. Sonoma Serpentine hills near Guerneville Comment
  CAS-BOT-BC186742  Astragalus gambelianus Greg de Nevers; Frank Almeda 1987-4-11 8141 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC13433  Astragalus gambelianus E. L. Greene 1892-4-20 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC66010  Athyrium filix-femina Greg de Nevers 1996-9-1 10870 Sonoma Ida Clayton Road over Mt. St. Helena 914 Comment
  CAS-BOT-BC66149  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66153  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66155  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma northern half of Lower Marsh; Pitkin Marsh near Forestville 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
  UCR248508  Atriplex prostrata Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) 20 Comment
  SEINET11690141  Avena barbata J. T. Howell, Knight, W.; Knight, I. 1987-1 6231 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC145718  Avena fatua Walter Knight; Irja Knight 1964-2-16 528 Sonoma Mill Creek Road. Comment
  RSA785740  Avena fatua Carrie A. Herd 1982-5-4 85 Sonoma Rohnert Park, C.S.U, Sonoma. between dorms and Rancho Cotati High School. Comment
  UCD72386  Avena fatua Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1790 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence with Rattlesnake Creek. 350 Comment
  CAS-BOT-BC68343  Azolla filiculoides Peter Rubtzoff 1955-4-30 1812 Sonoma Forestville Marsh Comment
  CAS-BOT-BC68345  Azolla filiculoides Peter Rubtzoff 1951-8-4 574 A Sonoma Pitkin Marsh, near Forestville - Northern half of Lower Marsh Comment
  CAS-BOT-BC99591  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  POM213043  Baccharis pilularis C. B. Wolf 1934-10-13 6182 Sonoma 2 2/5 miles north of mouth of Russian River. 61 Comment
  UC527411  Baccharis pilularis Carl B. Wolf and E. R. Johnson 1934-10-13 Sonoma 2 4/10 mi n of mouth of Russian River 60 Comment
  UCD129298  Baccharis pilularis Frederica Bowcutt 1996-5-19 2132 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 Canyon, about 1/8 air miles NE of Red Mtn. 701 Comment
  CAS-BOT-BC16692  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  CAS-BOT-BC16698  Barbarea orthoceras John Thomas Howell 1951-5-28 27497 Sonoma Laguna east of Sebastopol. Comment
  RSA0022354  Beckmannia Peter Rubtzoff 1970-6-14 6263 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC75659  Berberis nervosa Walter Knight; Irja Knight 1963-11-22 426 Sonoma Ida Clayton Road not far from Lake county line. Comment
  CAS-BOT-BC290551  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  RSA0019009  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh. Comment
  SEINET5586468  Bidens laevis Peter Rubtzoff 1963-1 5299 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC100252  Blennosperma bakeri Milo S. Baker 1952-4-20 12401 Sonoma Western outskirts of Sonoma, along 5th St. between Bettencourt & McArthur Comment
  SEINET3074489  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  SEINET10826437  Blennosperma bakeri Milo S. Baker 1946-1 Sonoma Comment
  UC337456  Blennosperma nanum var. nanum J. G. Lemmon 1888-3-1 Sonoma Warner's Ranch, Healdsburg Comment
  CAS-BOT-BC154957  Boisduvalia densiflora Peter Rubtzoff 1962-6-19 4919 Sonoma Occidental Marsh Comment
  CAS-BOT-BC166653  Boisduvalia densiflora Peter Rubtzoff 1959-9-13 4266 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  RSA94293  Boisduvalia densiflora var. densiflora Peter Rubtzoff 1951-8-5 600 Sonoma Pitkin Marsh near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC154972  Boisduvalia glabella Peter Rubtzoff 1963-7-27 5212 Sonoma Laguna de Santa Rosa E of Graton. Comment
  SEINET8345733  Bolboschoenus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma [Guermeville learsh]. Comment
  UCR250386  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1955-8-20 2083 Sonoma Bodega Harbor Marsh 0 Comment
  JEPS79509  Botrychium multifidum Edward Lee 1974-6-8 Sonoma Pitkin Marsh Comment
  UC1051640  Botrychium multifidum Peter Kamb, Francia Chisaki 1950-6-16 1866 Sonoma NW of Sebastopol (Pitkin Marsh, 1 mi N of Sousa Corners) Comment
  CAS-BOT-BC366885  Boykinia occidentalis Greg de Nevers 1997-9-22 11090 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC371427  Boykinia occidentalis Greg de Nevers 1996-6-10 10830 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Mark West Creek below Leslie Creek 400 Comment
  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
  SEINET259061 Image available Brachypodium phoenicoides P. G. Connors 1991-6-5 128 Sonoma Sonoma Coast State Beach; North of Bodega Bay in Salmon Creek Dunes within State Park Boundary Comment
  CAS-BOT-BC376281  Brickellia californica Greg de Nevers 1992-6-26 10189 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CSUSB472  Briza maxima L. L. Williams 1971-5-13 Sonoma Collected in North Coastal Sage at junction of road inland with Highway 1, south of Stewarts Point on headland. 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
  UC565401  Briza maxima G. Thomas Robbins 1937-6-5 223 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  UCD57125  Briza maxima Michael A. Vincent; Ethan H. Freid 1997-11-14 8172 Sonoma Bodega Bay. 0.5 mile northeast of city limits along Rt. 1. Comment
  UCD57133  Briza maxima B. Crampton 1954-4-26 1792 Sonoma U. S. Hwy. 101. 2 miles north of Geyserville. Comment
  UCD57165  Briza maxima Gerry North 1993-4 15 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  UCD57369  Briza maxima Mary M. Hektner 3 Jun1974 20 Sonoma Sea Ranch. Near State Highway 1. Comment
  CAS-BOT-BC145485  Briza maxima David L. Morgan 1956-5-23 s.n. Sonoma Hill Road, 2 miles southwest of junction with Highway #1. Comment
  CAS-BOT-BC145286  Briza minor Peter Rubtzoff 1962-6-13 4900 Sonoma Freestone Marsh. Comment
  RSA52654  Briza minor I. L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of country line. Comment
  UC1130934  Briza minor H. S. Yates 1936-5-3 5576 Sonoma 1 mi nw Petrified Forest; Calistoga Quadrangle Comment
  UCD57426  Briza minor Davis L. Morgan 1961-5-2 s.n. Sonoma On Snyder Lane. 2 miles NE of Cotati. Comment
  CAS-BOT-BC486533  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  JEPS5691  Brodiaea leptandra W. L. Jepson 1918-6-23 7657 Sonoma Poor Man's Flat Windsor Comment
  JEPS74720  Brodiaea leptandra W. L. Jepson 1923-6-28 10006 Sonoma Kenwood Sonoma Canyon 243 Comment
  UC768739  Brodiaea leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi se Healdsburg Comment
  UCD77158  Brodiaea stellaris Robert E. Preston 2005-6-11 2351 Sonoma Ca. 4 mi W of Occidental, along Coleman Valley Rd 314 Comment
  CAS-BOT-BC486524  Brodiaea stellaris Barbara Menzies 1970-6-2 s.n. Sonoma Near Occidental 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
  UC1300938  Brodiaea terrestris subsp. terrestris Helen K. Sharsmith 1963-5-25 5485 Sonoma near Occidental (Occidental grade); San Francisco Bay Region 152 Comment
  UC353798  Brodiaea terrestris subsp. terrestris Milo S. Baker 1928-4-28 3002 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC486455  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1961-6-17 4631 A Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC486460  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1938-5-1 3931 Sonoma About 25 mi. N. of Ross Comment
  CAS-BOT-BC486471  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1936-5-19 2517 Sonoma 2 miles n. of Windsor Comment
  RSA127010  Bromus carinatus H. S. Yates 1937-5-30 6556 Sonoma 2 miles N.W. of Freestone Comment
  CAS-BOT-BC149088  Bromus carinatus var. carinatus John H. Thomas 1976-6-16 18343 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC149095  Bromus carinatus var. carinatus David L. Morgan 1956-4-9 s.n. Sonoma Mountain View Avenue. Comment
  UC1130977  Bromus carinatus var. carinatus H. S. Yates 1934-4-22 3838 Sonoma 3 mi e of Mark West 213 Comment
  UC1130998  Bromus carinatus var. carinatus H. S. Yates 1936-5-17 5627 Sonoma 2 mi n of Bodega Bay 3 Comment
  CAS-BOT-BC149084  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshal - Petaluma road 5 miles west of junction of Wilson Hill Road. Comment
  CAS-BOT-BC155896  Bromus catharticus var. elatus David L. Morgan 1956-4-24 s.n. Sonoma On State Highway #12, 1 mile east of Schellville Railroad Station. Comment
  SD88313  Bromus commutatus D. F. Howe 1972-5-2 4817 Sonoma Duncan Mills Pond; trail above pond Comment
  UCR248935  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh 120 Comment
  SEINET4391007  Bromus diandrus Unknown 1999-4-19 s.n. Sonoma Bodega Bay Highway Comment
  CAS-BOT-BC155210  Bromus hordeaceus Peter Rubtzoff 1951-6-16 238 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC155249  Bromus hordeaceus John H. Thomas 1976-6-16 18341 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC1037113  Bromus hordeaceus Leo Whitney 1935-3-16 2264 Sonoma near Occidental (Orchard, Sutherland Ranch); Orchard, Sutherland Ranch Comment
  SEINET10901199  Bromus hordeaceus A. Arthur Heller 1902-4-17 Heller 5325 Sonoma Santa Rosa. Comment
  RSA74446  Bromus laevipes Milo S. Baker 1947-5-30 11778 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  UC1146638  Bromus laevipes Freed W. Hoffman 1941-6-20 2102 Sonoma near Camp Meeker (North Coast Ranges, Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  SEINET14440067  Bromus orcuttianus J. A. Churchill 1974-5-1 74 3022 Sonoma CAmp Meeker Comment
  UCD95022  Bromus rubens Freed W. Hoffman 1942-5-3 2249 Sonoma North Coast Ranges. Oregon Canyon near Camp Meeker. Comment
  CAS-BOT-BC161583  Bromus sterilis John Thomas Howell 1967-6-17 42598 Sonoma Confluence of Galloway and Dry Creeks. 182 Comment
  CAS-BOT-BC185424  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UCR254896  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC185406  Calamagrostis bolanderi John Thomas Howell 1946-8-17 22877 Sonoma Cunningham Marsh. Comment
  CHSC80116  Calamagrostis bolanderi Colette Beaupre 2000-7-6 Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB and M. 182 Comment
  UCR66615  Calamagrostis koelerioides A. A. Beetle 1945-8-4 4012 Sonoma North Coast, 10 miles north of Fort Ross Comment
Read comments
Aug 20 2009
  CAS-BOT-BC185121  Calamagrostis nutkaensis Mary P. Wells 1981-8-30 s.n. Sonoma Up Moonraker Road east of Highway #1, The Sea Ranch. Comment
  CDA31620  Calamagrostis nutkaensis P. B. Kennedy 1919-5-16 Sonoma Del Mar. 0 Comment
  JEPS128372  Calamagrostis ophitidis Roger Raiche 1999-6-20 016 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA0065200  Calamagrostis rubescens Greg de Nevers 1997-6-7 11019 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the Oak Hill Ranch burned area. 100 Comment
  CAS-BOT-BC438606  Calandrinia ciliata Peter Rubtzoff 1952-5-10 1026 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  UCD129655  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma east of Sonoma. Comment
  UCSB22467  Calendula arvensis McCarthy, Sharon 1965-4-17 Sonoma Sonoma, California 25 Comment
  CAS-BOT-BC167303  California macrophylla J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  JEPS61627  Calochortus amabilis Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC1197699  Calochortus amabilis Joseph P. Tracy 1933-5-1 12126 Sonoma Knights Valley Mayacama Creek 152 Comment
  UCD111677  Calochortus amabilis Christopher Mallek 2007-5-13 HC1- 8 Sonoma Hooker Canyon. 590 Comment
  UCD160844  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3360 Sonoma One-quarter mile south of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker.) 457 Comment
  CAS-BOT-BC483285  Calochortus amabilis D. E. Breedlove 1962-6-6 2895 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC483294  Calochortus amabilis Wayne Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, n.w. side of Mt. St. Helena 304 Comment
  SEINET12049778  Calochortus luteus F. H. Utech 1986-1 86 -098 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  UC1299343  Calochortus raichei Freed W. Hoffman 1947-5-30 519 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  RSA515348  Calochortus tolmiei F. Sibal 1965-5-29 s.n. Sonoma Hwy 1 between Anchor Bay and Gualala. 152 Comment
Read comments
Mar 30 2015
  CAS-BOT-BC273277  Calycadenia Roberta Long 1967-5-27 s.n. Sonoma Helen Wren's place in Sonoma Co. [Helen Wren's place is about 3 miles west of Healdsburg on the Mill Creek Road to Skaggs Springs] Comment
  RSA135373  Calycadenia pauciflora Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  UCD129888  Calycadenia truncata K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UC89049  Calycadenia truncata Michener and Bioletti 1891-9-7 1220 a Sonoma Comment
  POM215112  Calycadenia truncata subsp. truncata J. T. Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC90994  Calycanthus occidentalis Peter Rubtzoff 1987-7-18 9798 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  HSC3814  Calycanthus occidentalis M. E. Ferguson, E. Ferguson 1919-6-8 Sonoma Near Guerneville, Russian River. Comment
  POM149134  Calycanthus occidentalis Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  RSA22257  Calycanthus occidentalis Blanche Clear 1938-5-28 s.n. Sonoma Geyserville toward Alexander Valley. Comment
  UCSB15842  Calycanthus occidentalis 1962-6-6 Sonoma State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale 289 Comment
  SEINET12094722  Calycanthus occidentalis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -232 Sonoma ca 0.1 mi W on Sonoma Mt. Rd from Bennett Valley Rd along Graham Creek, W of Glen Ellen & CA 12 75 Comment
  JEPS64303  Calypso bulbosa Dorothea Gorter 1919-4-21 Sonoma near Cazadero Comment
  UC4383  Calypso bulbosa J. Burtt Davy 1896-3-14 1652 Sonoma Cazadero Comment
  UC353894  Calystegia collina subsp. collina Milo S. Baker 1927-5-7 2146 Sonoma Fitzsimmon's Grade , Fitzsimmon's Grade (Adobe Canyon) Comment
  CAS-BOT-BC223620  Calystegia collina subsp. oxyphylla R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19859 Sonoma 18 km ENE of Healdsburg, on Ida Clayton Road 4 km above Rte. 128 650 Comment
  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-BC516195  Calystegia collina subsp. oxyphylla Roxana S. Ferris; Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley Comment
  RSA0059882  Calystegia collina subsp. oxyphylla Milo S. Baker 1898-6-11 648 Sonoma Little Sulphur Creek. Comment
  POM180618  Calystegia purpurata subsp. saxicola J. T. Howell 1930-6-8 5290 Sonoma 8.5 miles N of Bodega Bay Comment
  SD225766  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach; on to of small sea headland by path down to beach 14 Comment
  UC141628 Image available Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Pt., Sonoma Co. Comment
  HSC100881  Calystegia purpurata subsp. saxicola Peter Warner, Sara Gordon 2011-6-20 221 Sonoma Sonoma Coast, State Parks Red Hill parcel, ~80 m E of Hwy. 1, NE of Wright's Beach entrance road. 53 Comment
  CAS-BOT-BC497687  Camassia quamash Greg de Nevers 1996-4-18 10790 Sonoma Knights Valley, marsh at south end of valley at base of hills, on Bavarian Lion Ranch 137 Comment
  UCR6060  Camissonia ovata Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay Region, Hwy 116, 5 mi. south of Sonoma 305 Comment
  HSC16508  Camissonia ovata James Faro 1962-4-14 9 Sonoma Salt Point Ranch, about 5 mi. N of Fort Ross Comment
  CAS-BOT-BC160368  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Alice Eastwood 1915-6-29 4830 Sonoma Bodega Point Comment
  UC1176931  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Joanne Taylor 1941-7-3 23 Sonoma Bodega Head 30 Comment
  CAS-BOT-BC160364  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma Between town of Bodega Bay and Bodega Head Comment
  UCD103523  Camissoniopsis cheiranthifolia subsp. cheiranthifolia David C. Fruchtenicht 1965-5-1 54 Sonoma Marine Biological Station, Horseshoe Cove, Bodega Head. 6 Comment
  SEINET10905928  Campanula prenanthoides Rattan 1877-6-25 RATTAN s.n. Sonoma CLOVERDALE Comment
  CAS-BOT-BC182782  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  CAS-BOT-BC37750  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC37756  Cardamine californica Dorothy Scherer 1996-4-14 031 Sonoma Fort Ross Road ca 0.5 mile west of Seaview Road and ca 50 feet north. Fort Ross State Historic Park. 441 Comment
  CAS-BOT-BC37760  Cardamine californica A. A. Heller; H. E. Brown 1902-3-22 5130 Sonoma West of Sebastapol. Comment
  CAS-BOT-BC37766  Cardamine californica Walter Knight; Irja Knight 1964-2-16 806 Sonoma Sonoma Mountain Road near Enterprise Road. Comment
  HSC34934  Cardamine californica Thomas W. Nelson, James Nelson 1975-3-25 1757 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  UC1299649  Cardamine californica var. sinuata Freed W. Hoffman 1947-3-6 813 Sonoma Gilliam Creek North Coast Ranges, Gilliam Creek Comment
  CAS-BOT-BC38031  Cardamine oligosperma Peter Rubtzoff 1959-6-20 4160 Sonoma Willow Creek Marsh. Bank of Willow Creek. Comment
  JEPS128330  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-4-17 016 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC384863  Cardionema ramosissimum John H. Thomas 1976-6-15 18289 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SEINET12875772 Image available Cardionema ramosissimum Lewis S. Rose 1956-1 56129 Sonoma Bodega Point sand dunes Comment
  CDA32954  Carduus pycnocephalus D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  CAS-BOT-BC334518  Carex abrupta Peter Rubtzoff 1954-6-7 1482 Sonoma Guerneville Marsh. Comment
  SEINET14443037  Carex albida Unknown Sonoma Comment
  CAS-BOT-BC18142  Carex athrostachya Peter Rubtzoff 1958-5-17 3673 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC18148  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC19366  Carex barbarae J. W. Congdon 1880-5-17 s.n. Sonoma Sebastopol. Comment
  CAS-BOT-BC310301  Carex barbarae Peter Rubtzoff 1969-8-24 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  RSA0015629  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  SEINET7551510 Image available Carex barbarae Don Pendleton 1993-5-29 5297 Sonoma Westside Road, Russian River Valley, ca. 5 miles SW of Healdsburg. Comment
  CAS-BOT-BC34424  Carex cusickii Peter Rubtzoff 1951-6-10 189 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC18980  Carex densa John Thomas Howell; J. W. Stacey 1936-7-26 12665 Sonoma Occidental. 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-BC20489  Carex densa James D. Jokerst 1985-4-26 2272 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC242641  Carex densa Peter Rubtzoff 1959-4-18 4033 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 mi. north of Guerneville Road crossing Comment
  CAS-BOT-BC246549  Carex densa Peter Rubtzoff 1960-6-9 4474 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  UC590029  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi ne Petrified Forest; Calistoga Quadrangle 304 Comment
  UC70609  Carex densa F. Bioletti 1893-5-22 Sonoma Glen Ellen Comment
  CAS-BOT-BC18975  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2500 A Sonoma Fulton. Comment
  CAS-BOT-BC290552  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh. Comment
  RSA0015630  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC20135  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC320552  Carex feta Peter Rubtzoff; Tim Tunison 1976-6-5 8586 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC320586  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  UC727688  Carex feta Milo S. Baker 1946-5-13 11391 Sonoma s end of Pitkin Marsh Vine Hill Region Comment
  CAS-BOT-BC20450  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  CDA6109  Carex globosa D. G. Kelch 2007-5-13 7 .298 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC28333  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near mark West Creek. Comment
  CAS-BOT-BC28335  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near Mark West Creek. Comment
  CAS-BOT-BC146612  Carex gynodynama A. A. Heller 1903-4-23 6605 Sonoma Fort Ross Comment
  RSA0022421  Carex gynodynama Peter Rubtzoff 1964-5-20 5317 Sonoma Brooks Gulch Marsh. Comment
  RSA758134  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC311814  Carex hendersonii Peter Rubtzoff 1955-5-14 1855 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC31172  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31178  Carex lemmonii Peter Rubtzoff 1951-6-16 235 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UCD140690  Carex nudata Beecher Crampton 1956-4-24 3311 Sonoma 7.5 miles northwest of Calistoga. Comment
  CAS-BOT-BC119312  Carex obnupta Catherine Best 1981-6-5 s.n. Sonoma Ca 5 mi E of Stewart's Point on Stewart's Point Skaggs Creek Rd. Comment
  JEPS63537  Carex obnupta W. L. Jepson 1931-7-19 15953 Sonoma Russian River near Markham; Russian River Comment
  RSA0034043  Carex obnupta Peter Rubtzoff 1964-7-29 5445 Sonoma Brooks Gulch Marsh. Comment
  RSA94268  Carex obnupta Peter Rubtzoff 1952-5-10 1022 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD140711  Carex obnupta Mary M. Hektner 1974-6-28 090 Sonoma near Walk-on-Beach, Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC119286  Carex ovalis John Thomas Howell; J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC118329  Carex praegracilis John Thomas Howell 1947-6-26 23295 Sonoma Cunningham Marsh Comment
  UCD161824  Carex serratodens James A. Neilson Jr. 1975-5-23 3204 Sonoma Abril property, Truit Creek at Big Sulphur Creek. (Exact location unkown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC116929  Carex subbracteata Peter Rubtzoff 1954-8-2 1619 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC116930  Carex subbracteata Peter Rubtzoff 1960-5-16 4353 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC312703  Carex subbracteata Peter Rubtzoff 1955-5-14 1845 Sonoma Duncans Mills Marsh area above the marsh, along a western tributary of Orrs Creek. Comment
  CAS-BOT-BC116785  Carex subbracteata var. subbracteata Peter Rubtzoff 1957-5-26 3369 Sonoma Duncans Mills Marsh. Comment
  UCD19304  Carpobrotus edulis Terry Reedy 1974-5-11 204 Sonoma Bodega Head, between road and freshwater marsh. 3 Comment
  CDA6966  Carthamus lanatus T. C. Fuller 1970-5-4 19487 Sonoma East of Monte Vista Lane, south side of Petaluma-Valley Ford Road, 4.2 miles west of Petaluma. 0 Comment
  CDA7005  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of the Asti turn-off of the freeway, Highway 101, Asti. 0 Comment
  RSA664100  Carthamus tinctorius J. C. Roos, L. Roos 1956-9-2 6599 Sonoma Healdsburg dump Comment
  UCD160818  Castilleja affinis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3481 Sonoma Section 10, along Geysers Road, west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  JEPS22231  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of Dr. Herbert G. Baker's class 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 Comment
  JEPS9948  Castilleja attenuata W. L. Jepson 1921-5-6 9188 Sonoma Porter Creek 365 Comment
  UC27170  Castilleja densiflora subsp. densiflora Harley P. Chandler 1900-5-25 706 Sonoma Bodega Bay Comment
  RSA177902  Castilleja foliolosa Robert F. Thorne 1965-4-20 34357 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UCD122482  Castilleja foliolosa Frederica Bowcutt 1996-5-24 2168 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road W of kiosk. 670 Comment
  UCD122506  Castilleja foliolosa G. E. Kerley 1966-4-3 66- 19 Sonoma Trinity Road, 7.3 miles southwest of Oakville. 304 Comment
  CAS-BOT-BC243851  Castilleja latifolia Ella Dales Cantelow 1938-5-7 2412 Sonoma 5 mi. N of Bodega Comment
  CHSC1708  Castilleja subinclusa subsp. franciscana 1947-3-31 Sonoma Bodega. 60 Comment
  UC614502  Castilleja subinclusa subsp. franciscana L. Constance 1938-4-24 2152 Sonoma 3 mi w Bodega 60 Comment
  POM180613  Castilleja wightii J. T. Howell 1930-6-8 5281 Sonoma 8.5 miles north of Bodega Bay. Comment
  POM180772  Castilleja wightii J. T. Howell 1930-7-27 5412 Sonoma Exposed ocean bluff, 4 miles N of Bodega Bay. Comment
  CAS-BOT-BC39434  Caulanthus lasiophyllus R. D. Stone 1983-6-14 541 Sonoma Headwaters of Squaw Creek drainage. Ca. 1.2 mile northwest of Geyser Rock. 1005 Comment
  UC1071513  Ceanothus C. M. Belshaw 1936-3-8 1583 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa Quad. Comment
  CAS-BOT-BC48520  Ceanothus confusus Alice Eastwood 1915-6-6 4700 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC83812  Ceanothus confusus D. O. Burge; Steven Kembel 2008-5-29 1003 c Sonoma Mayacmas Mountains, western slope of Mount Hood 560 Comment
  RSA21896  Ceanothus confusus J. T. Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC1254093  Ceanothus confusus J. A. Delapp 1964-6-5 75 Sonoma Dorman Canyon Ridge 289 Comment
  UC18317  Ceanothus confusus Michener and Bioletti March 1898 1898 Sonoma Hood's Peak Comment
  UCD112098  Ceanothus cuneatus var. cuneatus Frederica Bowcutt 1996-5-19 2134 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood, and 18 air miles northwest of Napa. Along the ridgeline and on the Napa/Sonoma County line, about 0.5 air mile east of Bald Mountain. Gray Pine Trail. 731 Comment
  JEPS128182  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 005 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD123475  Ceanothus divergens subsp. confusus D. O. Burge 2007-4-10 833 e Sonoma Southeast flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek, along the Goodspeed Trail . 3.44 km 19 deg. (True) NNE of Kenwood. 200 Comment
  CAS-BOT-BC361295  Ceanothus foliosus Greg de Nevers 1994-3-18 10515 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, near Weimar Pond 457 Comment
  UC1070622  Ceanothus foliosus A. E. Wieslander 1938-10-29 860 Sonoma 3 mi e Mt. St. Helena; Calistoga quad. 457 Comment
  SEINET12211237  Ceanothus foliosus W. Knight, Knight, I. 1985-1 6332 Sonoma South-facing slope Bradford Mt 762 Comment
  CAS-BOT-BC49912  Ceanothus foliosus var. foliosus Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford Comment
  RSA177943  Ceanothus foliosus var. vineatus Robert F. Thorne 1965-4-19 34318 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  RSA300966  Ceanothus foliosus var. vineatus D. C. Michener 1982-7-26 4118 Sonoma Vine Hill School road, 100' west of Vine Hill school, lot west of residence 6096; north road bank between vineyard and road Comment
  UC1280760  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma 9 mi s. Gurniville Comment
  OBI10528  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma Nine mi S of Guerneville Comment
  CAS-BOT-BC49993  Ceanothus gloriosus John Thomas Howell 1937-4-11 12902 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49995  Ceanothus gloriosus John Thomas Howell 1937-4-11 12898 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50007  Ceanothus gloriosus John Thomas Howell 1935-5-5 12620 Sonoma 6 miles from Santa Rosa on road to Sonoma 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
  RSA25701  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-17 11022 Sonoma 1 mile NW of Sebastopol along Hwy 12; 1 mile even from main corner. 30 Comment
  POM86919  Ceanothus griseus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC50954  Ceanothus integerrimus James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  UC80042  Ceanothus integerrimus Katharine Brandegee May 1890 Sonoma Geysers Comment
  CAS-BOT-BC50642  Ceanothus jepsonii John Thomas Howell 1933-4-2 10959 Sonoma 2 miles e. of Occidental Comment
  CAS-BOT-BC50648  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental 182 Comment
  RSA107840  Ceanothus jepsonii L. S. Rose 1955-3-21 55030 Sonoma 2 mi NE of Occidental 213 Comment
  UC1070783  Ceanothus jepsonii C. M. Belshaw 1936-3-8 1579 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa quad. Comment
  UCD101294  Ceanothus jepsonii Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 400 Comment
  SEINET12210866  Ceanothus jepsonii W. Knight, Knight, I. 1982-1 4622 Sonoma On serpentine. 2.1 mi from Camp Meeker on Bohemian Highway toward Monte Rio Comment
  UCD112055  Ceanothus jepsonii J. Adams; J. Weick 1993-5-8 269 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. Comment
  CAS-BOT-BC63516  Ceanothus oliganthus var. sorediatus J. Clausen 1935-5-23 1073 a Sonoma 0.3 mi. n. of entrance to Petrified Forest. Comment
  SDSU10309  Ceanothus oliganthus var. sorediatus Claire Schneider, Gary Waayers 1993-4-10 10 IV93A Sonoma Located off of Trinity Road., ca. 1.0 mile east from intersection with State Hwy 12. 222 Comment
Read comments
Mar 3 2009
  UC75645  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC51874  Ceanothus parryi F. T. Bioletti 1892-1-1 226 Sonoma unspecified Comment
  UC580718  Ceanothus purpureus C. M. Belshaw 1936-3-8 1582 Sonoma 3/4 mile north of Annandel, northwest of Kenwood 144 Comment
  UC1071400  Ceanothus thyrsiflorus E. Armstrong 1934-3-26 951 Sonoma Camp Meeker Sebastopol quad 121 Comment
  CAS-BOT-BC52399  Ceanothus velutinus Walter Knight; Irja Knight 1963-12-27 468 Sonoma Summit. Pine Flat Rd. Comment
  CAS-BOT-BC277018  Centaurea iberica Bremner 1932-8-11 s.n. Sonoma Santa Rosa Comment
  UC397072  Centaurea iberica Grace M. Cole 1929-7-29 Sonoma Santa Rosa Comment
  CDA23055  Centaurea melitensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .269 Sonoma Cavedale Rd. Comment
  JEPS128218  Centaurea melitensis Roger Raiche 2000-5-5 098 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC277157  Centaurea melitensis G. DeNevers 1981-6-6 1480 Sonoma Pepperwood Ranch. S slope of Telegraph Hill Comment
  CAS-BOT-BC277253  Centaurea solstitialis Walter Knight; Irja Knight 1963-12-27 451 Sonoma Pine Flat Rd. Circle 8 Ranch Comment
  UC511236  Centaurium trichanthum Lyman Benson 1930-6-18 2165 Sonoma 4 mi s Santa Rosa (watershed of San Francisco Bay); North Coast Range, San Francisco Bay 60 Comment
  CAS-BOT-BC288817  Centromadia fitchii Helen D. Geis 1902-1-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC249313  Cerastium Peter Rubtzoff 1963-6-22 s.n. Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC251266  Cerastium Peter Rubtzoff 1959-6-20 4186 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC384975  Cerastium arvense Rimo Bacigalupi 1926-5-2 1377 Sonoma Cazadero Comment
  JEPS86778  Cerastium arvense Jack and Betty Guggolz 1990-4-30 1041 Sonoma ca. 4 mi. w. Occidental (s. side of Coleman Valley Rd.) 304 Comment
  CAS-BOT-BC388437  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC400223  Ceratophyllum demersum Greg de Nevers 1991-8-8 9769 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In largest Double Pond 475 Comment
  CAS-BOT-BC400234  Ceratophyllum demersum Peter Rubtzoff 1955-7-30 1997 Sonoma Bennett Mtn. Lake Comment
  POM203653  Cercocarpus betuloides J. T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon. Comment
  SEINET11908935  Cercocarpus betuloides W. Knight, Knight, I. 1981-1 3989 Sonoma 5.6 mi up Cavedale Road at summit from jct of state route #12 Comment
  CAS-BOT-BC135423  Cercocarpus betuloides var. betuloides John Thomas Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC279782  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma Ca. 2 mi. so. of Asti, along U.S. 101 Comment
  JEPS26636  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma ca 2 mi s of Asti (along U.S. 101) Comment
  UCD130399  Chamaemelum fuscatum Rimo Bacigalupi 1948-4-4 2870 Sonoma about 2 miles south of Asti, along U.S. Highway 101. Comment
  HSC67549  Chamaemelum fuscatum J. P. Smith 1975-3-27 8047 Sonoma Dutcher Creek Rd., 0.7 mi. from its jct. with U.S. 101 Comment
  UCD130400  Chamaemelum fuscatum Philip A. Munz 1952-3-23 17351 Sonoma 2 miles south of Asti Vineyard (Italian Swiss Colony). Comment
  UC42452  Cheilanthes covillei F. T. Bioletti 1893-3-12 Sonoma Sonoma Comment
  CAS-BOT-BC166911  Chenopodium Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7841 Sonoma Kenwood Marsh. Comment
  UCR45078  Chenopodium botrys L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UC1563651  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  CAS-BOT-BC499252  Chlorogalum pomeridianum Peter Rubtzoff 1951-8-18 617 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  RSA369225  Chlorogalum pomeridianum var. pomeridianum Christopher Davidson 1977-6-20 6010 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  UC84506  Chorizanthe cuspidata var. villosa Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Pt., Sonoma Co. Comment
  UCD99673  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-4-6 62077 Sonoma Bodega Point. 30 Comment
  CAS-BOT-BC257024  Chorizanthe membranacea Greg de Nevers 1997-5-12 10996 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC257028  Chorizanthe membranacea G. DeNevers; M. Harding 1981-7-11 1759 Sonoma Pepperwood Ranch. S face at the high hill W of 3 Tree Hill Comment
  UCD110111  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UCD110112  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  CAS-BOT-BC285251  Cichorium intybus Greg de Nevers 1992-6-26 10186 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC176198  Cichorium intybus Peter Rubtzoff 1961-9-6 4727 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  SEINET14156866 Image available Cirsium breweri var. lanosissimum Unknown 1902-1 5804 Sonoma Sonoma County...Santa Rosa Creek, east of Santa Rosa;;;; Comment
  UC178901  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  UC91837  Cirsium douglasii var. douglasii Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  CAS-BOT-BC285709  Cirsium occidentale var. occidentale Ella Dales Cantelow 1941-6-7 3555 Sonoma State Hy 1 w. of Bodega Comment
  CAS-BOT-BC280371  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  UC589641  Cirsium quercetorum F. F. Barbour 1938-4-28 Sonoma Sonoma Valley Comment
  RSA0070859  Cirsium quercetorum J. T. Howell 1938-7-3 13953 Sonoma Stony Point. Comment
  JEPS35584  Cirsium remotifolium var. odontolepis L. R. Heckard 1964-6-11 1371 Sonoma about 4 mi nw of Cloverdale (along Calif. 28; just beyond Alder Glenn Springs) 213 Comment
  UCD159440  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 197 Sonoma Roadside population along road leading to Bodega Marine Labs. Abundant. 7 Comment
  CAS-BOT-BC162557  Clarkia affinis Peter H. Raven 1951-4-22 2781 Sonoma Hills E of Aqua Caliente Comment
  UC20290  Clarkia amoena F. T. Bioletti 1892-1 Sonoma Point Arena Comment
  CAS-BOT-BC161050  Clarkia amoena subsp. amoena Paul F. Covel 1938-7-11 1435 Sonoma Bluffs 15 mi no. Ft Ross Comment
  RSA128999  Clarkia amoena subsp. amoena Joanne Taylor 1941-7-13 11 Sonoma Canyon about 10 miles from Bodega Head. Comment
  UC1143221  Clarkia amoena subsp. huntiana H. and M. Lewis 1951-7-10 870 Sonoma 0.1 mi w Mark West Springs Comment
  UC1143222  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 866 Sonoma 4.0 mi w Mark West Springs Comment
  RSA108388  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1951-7-10 866 Sonoma 4 miles W of Mark West Springs Comment
Read comments
May 11 2011
  CAS-BOT-BC172209  Clarkia concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC172345  Clarkia concinna Elsa G. Ruckert 1960-5-28 162 Sonoma Trinity Road, 1 mile from junction with Highway 12 243 Comment
  LA206049  Clarkia concinna H. Lewis; 1951-7-10 868 Sonoma 0.7 mi W of Mark West Spring Comment
  RSA144395  Clarkia concinna subsp. concinna Roxana S. Ferris, Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  CAS-BOT-BC162513  Clarkia gracilis subsp. gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54000 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-BC163145  Clarkia gracilis subsp. sonomensis Blanche Clear 1938-5-28 s.n. Sonoma Geyserville toward Alexander Valley Comment
  POM187553  Clarkia gracilis subsp. sonomensis Marcus E. Jones 1931-7-5 s.n. Sonoma Cloverdale Comment
  UC1018288 Image available Clarkia imbricata H. Lewis and M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville 6230 Vine Hill Road; Santa Rosa to Guerneville, Vine Hill Road, Sonoma Co. 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-BC164587  Clarkia purpurea subsp. viminea Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 12 miles west of Hwy 101 Comment
  UC75680  Clarkia unguiculata Milo S. Baker 1898-6-11 594 Sonoma Cemetery Santa Rosa Comment
  RSA6471  Claytonia exigua subsp. exigua Jens Clausen 1933-3-26 745 Sonoma Harrison Grade, betwen Grtaon and Occidental. In orchard, gravelly soil. Comment
  CAS-BOT-BC439414  Claytonia gypsophiloides J. Clausen 1933-3-26 745 Sonoma Harrison Grade, between Graton and Occidental. Comment
  UC480640  Claytonia gypsophiloides Carl Meyer 1929-3-29 Sonoma Comment
  SD130423  Claytonia parviflora subsp. parviflora F. Almeda, G. DeNevers 1981-3-30 4877 Sonoma Pepperwood Ranch; along road to Garrison Cabin at the SW sector of the ranch Comment
  CAS-BOT-BC439812  Claytonia perfoliata A. A. Heller; H. E. Brown 1902-4-11 5267 a Sonoma Bodega Bay Comment
  HSC17700  Claytonia perfoliata F. Demostene 1966-4-2 11 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC443682  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1921-4-24 10385 Sonoma Santa Rosa Comment
  UCD100892  Claytonia sibirica Mary M. Hektner 1975-6-3 199 Sonoma coastal terrace, next to trail leading to the beach. Below Pipers' Reach, Unit 24 Owners' Map, near State Highway 1. Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  CHSC101621  Clintonia andrewsiana David W. Isle; Rhonda Isle 2005-11-11 1632 Sonoma SE of Gualala, along drainage, just west of bridge, south of road between Annapolis and Stewart's Point in old growth redwood forest. Comment
  UCR255041  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM14827  Collinsia sparsiflora var. arvensis D. C. Michener, F. T. Bioletti 1893-04 s.n. Sonoma Kenwood. Comment
  POM14838  Collinsia sparsiflora var. arvensis A. A. Heller 1903-4-23 6601 Sonoma Fort Ross. From type locality. Comment
  JEPS22935  Collinsia sparsiflora var. sparsiflora Volney Rattan 1880 Sonoma Healdsburg Comment
  POM14840  Collinsia sparsiflora var. sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  UC76070  Collinsia sparsiflora var. sparsiflora Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  UCR265108  Collinsia tinctoria Ann Howald 2015-4-1 3330 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  SD6974  Collinsia tinctoria Michener, Bioletti 1892-7-4 1666 a Sonoma Shagg's Springs Comment
Read comments
Jun 10 2012
  SJSU6041  Conium maculatum C. W. Sharsmith 1972-6-24 7803 Sonoma 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County Comment
  UC23137  Convolvulus arvensis Alice King May 1897 Sonoma Healdsburg Comment
  JEPS30837  Cordylanthus maritimus subsp. palustris Rimo Bacigalupi 1962-6-19 8593 Sonoma low-lying area just above beach line on Bodega Harbor side of Bodega Head (opposite spit of Doran Beach) Comment
  HSC20637  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  JEPS23537  Cordylanthus pilosus subsp. pilosus Peter H. Raven, R. Snow 1958-7-23 13690 Sonoma Occidental Comment
  JEPS6812  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1933-8-1 16549 Sonoma Agua Caliente Comment
  CAS-BOT-BC238225  Cordylanthus tenuis subsp. brunneus Greg de Nevers 1996-7-17 10856 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  JEPS87247  Cordylanthus tenuis subsp. brunneus Jack and Betty Guggolz 1992-7-25 1334 Sonoma 5/8 mi ssw Bradford Mountain (along a dirt road, 4+ mi wsw of Geyserville) 292 Comment
  SEINET12329991  Cordylanthus tenuis subsp. brunneus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -245 Sonoma end of Stoetz Road 200 Comment
  JEPS28819  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1962-11-27 1317 Sonoma 3/4 mi nw Occidental School (along Stoetz Lane) Comment
Read comments
Jul 27 2009
  CAS-BOT-BC212290  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UC72918  Coronopus didymus Miss M. Alice King 1897-5-1 Sonoma near Healdsburg (Dry Creek); Dry Creek Comment
  UC480599  Corylus californica Carl Meyer 1928-3-4 325 Sonoma Sonoma County Comment
  CAS-BOT-BC366894  Cotinus coggygria Greg de Nevers 1997-11-5 11104 Sonoma Santa Rosa, Riebli School Comment
  SD38617  Cotula coronopifolia Edith A. Purer 1932-7-24 Sonoma Bodega Bay Comment
  CAS-BOT-BC376256  Crassula Greg de Nevers 1995-5-5 10720 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  CAS-BOT-BC427652  Crassula aquatica Peter Rubtzoff 1974-5-11 7386 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  CAS-BOT-BC173648  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  SBBG32322  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  CDA36048  Crupina vulgaris CDFA Staff Sep 1976 Sonoma Santa Rosa. 0 Comment
  CDA4460  Crupina vulgaris G. D. Barbe 1991-6-6 4430 Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CAS-BOT-BC190184  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC376307  Cryptantha Greg de Nevers 1992-5-24 10155 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 475 Comment
  UC24715  Cryptantha intermedia H. N. Bolander Apr 1864 3817 Sonoma Mark West Creek Comment
  UC66152  Cryptantha leiocarpa A. A. Heller 1902-5-27 5615 Sonoma Bodega Bay Comment
  RSA785747  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  CAS-BOT-BC80748  Cupressus macnabiana Walter Knight; Irja Knight 1964-1-18 523 Sonoma Head of Hooker Canyon, Cavedale Rd. Comment
  UCD110844  Cupressus macnabiana Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  NY16705  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1134244  Cupressus sargentii Mason 1932-7-19 123 Sonoma 0.6 mi nw Los Alamos School; Santa Rosa Quad. Comment
  UCD158872  Cupressus sargentii James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2905 Sonoma Mayacmas Mountains; northwest corner of Section 15, The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  UCR128480  Cupressus sargentii L. S. Rose 1955-7-11 55113 Sonoma 2 miles east of Occidental 244 Comment
  CAS-BOT-BC361393  Cuscuta californica var. breviflora Greg de Nevers 1993-8-7 10481 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC31350  Cynara cardunculus subsp. cardunculus unknown 1899-7-9 116 Sonoma Sebastopol Comment
  UCD60037  Cynodon dactylon Peter Rubtzoff 1951-7-14 456 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD60093  Cynodon dactylon Mary M. Hektner; Cathy Hendel 1974-7-25 165 Sonoma Near State Highway 1, Sea Ranch. Comment
  UCR248769  Cynodon transvaalensis Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  SEINET12329972  Cynoglossum grande F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -192 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  CDA33571  Cynosurus cristatus Stephanie Larson/Deborah Curle 2010-6-14 PDR# 1465982 Sonoma 0 Comment
  SD56797  Cynosurus echinatus D. F. Howe 1963-5-23 3527 Sonoma 3.8 miles north of Cloverdale on #128 334 Comment
  UCD160902  Cynosurus echinatus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3582 Sonoma Section 10, ca. 1.5 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCD60159  Cynosurus echinatus Gerry North 1993-4 21 Sonoma Flora of Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. Second pullout on right after park entrance. 0.3 mile from Goodspeed trailhead. 50m south of Pony Gate Gulch Creek crossing. 274 Comment
  UCR254742  Cyperus Peter Rubtzoff 1970-9-2 6351 Sonoma Russian River bottom at Mirabel Park 5 Comment
  RSA44397  Cyperus eragrostis Milo S. Baker 1937-9-20 6037 Sonoma 4 miles southeast of Somona on Vineburg - Napa Road 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
  UC728611  Cyperus niger Milo S. Baker 1945-6-18 11118 Sonoma lower Meadow Pitkin Marsh Comment
  CAS-BOT-BC113815  Cyperus niger Freed W. Hoffman 1943-10-26 s.n. Sonoma Russian River, near Guerneville Comment
  CAS-BOT-BC113902  Cyperus niger var. castaneus Milo S. Baker 1938-6-1 10184 Sonoma Wet spot Bennett Valley Road. Comment
  UCD57958  Cypselea humifusa Brenda Grewell 2007-5-24 s.n. Sonoma Grown out from soil collected at braided side channel Laguna de Santa Rosa. West side across from confluence with Gravenstein Creek. South of Sebastopol. DFG Laguna Wildlife Area. Near Cooper Road. Comment
  CAS-BOT-BC70723  Cystopteris fragilis D. E. Breedlove 1980-6-28 44814 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS64801  Cytisus scoparius G. G. Frey 1921-12-5 Sonoma Sebastopol Comment
  CAS-BOT-BC189848  Dactylis glomerata Mary P. Wells 1984-5-24 299 Sonoma Annadel State Park (near Santa Rosa). Comment
  UCD60196  Dactylis glomerata Mary M. Hektner; Sue Dakuzaku 1974-6-4 21 Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch; surrounding Kirkwood house. Comment
  RSA0022473  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC445552  Damasonium californicum Peter Rubtzoff 1970-6-6 6255 Sonoma At Marin County line on Tomales-Petaluma Road. Comment
  CAS-BOT-BC192269  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC192276  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma Bordering Pitkin Marsh Comment
  CAS-BOT-BC192285  Danthonia californica Greg de Nevers 1987-5-11 8171 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD60467  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD61031  Danthonia californica Gerry North 1993-4 37 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At lower camping area, 50 m E of foot bridge. 365 Comment
  UC1023587  Danthonia californica Virginia Bufford 1936-5-14 282 Sonoma Sonoma Mt. Rd. about 10 mi from Santa Rosa Comment
  UCD61011  Danthonia californica R. Tofsrud 1948-5-9 Sonoma 1 mi. E of Mark West Springs. Comment
  RSA126872  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1.5 miles northeast of Graton 30 Comment
  UCR152279  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma c. 8.5 mi SE of Geyersville, S end of Alexander Valley, jct. of Calistoga (hwy 128) and Chalk Hill roads 85 Comment
  UCD33239  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Sonoma County, 14 miles N.W. of Calistoga on Hwy. 128 near Chalk Hill road. Comment
  JEPS15988  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma Comment
  CAS-BOT-BC293811  Deinandra corymbosa Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC9574  Delphinium bakeri E. Armstrong 1932-5-7 5900 Sonoma Coleman Valley at Hedrin Ranch Comment
  CAS-BOT-BC9021  Delphinium decorum M. Hallet 1925-3-2 s.n. Sonoma Graton Comment
  CAS-BOT-BC9023  Delphinium decorum M. Hallet 1927-4-1 s.n. Sonoma Graton Comment
  UC854102  Delphinium decorum Lewis S. Rose 1939-5-14 39123 Sonoma hills 1 mi e Bodega Bay 30 Comment
  JEPS23883  Delphinium decorum subsp. decorum A. A. Heller 1938-5-14 15089 Sonoma steep slope just e Bodega Bay 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
  UC467758  Delphinium decorum subsp. tracyi Milo S. Baker Apr. 1899 Sonoma hills back of Dillon's Beach Comment
  CAS-BOT-BC10342  Delphinium hesperium Joseph Whipple Congdon 1880-6-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC10348  Delphinium hesperium H. D. Ripley; R. C. Barneby 1945-6-22 6940 Sonoma North of Jenner Comment
  CAS-BOT-BC10093  Delphinium luteum Milo S. Baker 1926-4-14 186 e Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC10095  Delphinium luteum Milo S. Baker 1926-4-14 186 d Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC10128  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma On State Highway #1, a mile or so east of Bodega Bay Comment
  JEPS23518  Delphinium luteum Vina Wiley Kraeger 1923-4-1 Sonoma Bodega Comment
  LA207535  Delphinium luteum Joseph Andorfer Ewan; 1935-5-12 9229 Sonoma 1.5 m. W of Bodega, Bodega Bay rd Comment
  SEINET7075473  Delphinium nudicaule A. G. Vestal 1955-5-7 s.n. Sonoma 4 air-miles north of Occidental and just east of the divide above Oregon Canyon. 38? deg. 27' 56" North Latitude, -122? deg. 56' 33" West Longitude. (NAD 27), UTM Zone 10, 505013mE, 4257264mN. [Coordinate Datum: WGS84/NAD83]. Comment
  UC1299392  Delphinium nudicaule Freed W. Hoffman 1947-4-13 660 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  UC635360  Delphinium nudicaule H. L. Mason 1928-4-8 4287 Sonoma sea bluff two mi n Fort Ross Comment
  CAS-BOT-BC8004  Delphinium nudicaule Milo S. Baker 1935-5-12 8080 Sonoma 0.5 mi. up Salmon Creek Comment
  CAS-BOT-BC9897  Delphinium nudicaule Doris K. Kildale 1928-4-1 4400 Sonoma Top of grade, just north of Cloverdale, on Redwood Highway Comment
  HSC49610  Delphinium nudicaule R. York 1979-4-8 198 Sonoma Along Hwy. 128, 1.0 mi. N of Calistoga 305 Comment
  RSA122789  Delphinium variegatum B. O. Schreiber 1936-3-5 2210 Sonoma 2 miles WNW of Mark W Springs. 122 Comment
  UCR198239  Dendromecon rigida Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .266 Sonoma Cavesdale Road 518 Comment
  UCD61230  Deschampsia cespitosa R. Tofsrud 1948-6-1 Sonoma By Mark West School. Comment
  CAS-BOT-BC192611  Deschampsia cespitosa subsp. holciformis David D. Keck 1944-7-12 5514 Sonoma 1 mile S. of bridge across mouth of Russian River Comment
  CAS-BOT-BC376437  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 400 Comment
  CAS-BOT-BC201959  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC201973  Deschampsia elongata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 15 miles west of Hwy. 101 Comment
  CAS-BOT-BC227672  Deschampsia elongata Peter Rubtzoff 1971-6-25 6560 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  UC53519  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma near Guerneville Guerneville Comment
  RSA0056433  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  CAS-BOT-BC376263  Dianthus armeria Greg de Nevers 1991-7-15 9757 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  RSA264775  Dicentra formosa subsp. formosa Peter Rubtzoff 1975-4-27 7950 Sonoma Forest Hills, 5.5 miles east of Guerneville. At 9981 Old River Road Comment
  RSA759693  Dichanthelium acuminatum var. acuminatum R. D. Stone, G. Clifton 1983-6-16 553 Sonoma Little Geysers, upper Big Sulphur Creek drainage. 701 Comment
  RSA654140  Dichanthelium acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Cloverdale. North slope of well above Geysers Creek. 494 Comment
  HSC104249  Dichanthelium lanuginosum var. thermale R. York, Sally de Becker, Laurie Wickenheiser, Joe O'Hagan 1990-7-24 90001 Sonoma The Little Geysers, south of Little Geysers Creek Comment
  UCD151080  Dichelostemma James A. Neilson Jr. 1973-6-3 2990 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UC421854  Dichelostemma capitatum Milo S. Baker 1898-3-1 701 Sonoma near Santa Rosa Comment
  CAS-BOT-BC502214  Dichelostemma capitatum A. A. Heller 1902-3-14 5065 Sonoma near Windsor Comment
  CAS-BOT-BC502218  Dichelostemma capitatum Dorothy Scherer 1996-4-26 038 Sonoma Along Fort Ross road ca 800' west of Seaview Road, Fort Ross State Historic Park 457 Comment
  RSA173354  Dichelostemma capitatum subsp. capitatum Walter Knight 1965-6-6 1119 Sonoma [?????] Hill Road. Comment
  SEINET8472296  Dichelostemma capitatum subsp. capitatum W. Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa. 46 Comment
  SEINET10533899  Dichelostemma congestum A. Arthur Heller 1902-6-23 Heller s.n. 1902 Sonoma Petrified Forest. Comment
  SEINET6879167  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  POM264531  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma Five miles north of Jenner. Comment
  RSA39845  Dichondra donelliana Vanderwal 1941-11-6 s.n. Sonoma Frank Silva property, Sebastopal. Comment
  CAS-BOT-BC183609  Digitaria Peter Rubtzoff 1971-8-23 6656 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  CAS-BOT-BC210146  Digitaria Peter Rubtzoff 1965-8-16 5597 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  CAS-BOT-BC176369  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC209112  Digitaria sanguinalis John H. Thomas 1969-9-21 15475 Sonoma About 1 mile north of Graton along Highway 116. Comment
  RSA796380  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR255869  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  UCD64008  Digitaria sanguinalis Milo S. Baker 1942-8-27 10378 Sonoma At Maplewood. Comment
  CAS-BOT-BC151751  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-3-25 5146 Sonoma Near Mark West Springs Comment
  SEINET12326112  Dipsacus fullonum W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Road 3 mi from State Rt 12, 300 yards N of summit 152 Comment
  RSA122773  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma 2 miles west of Bodega town on a road which turns right within the town Comment
  UC429269  Disporum hookeri Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC331485  Distichlis Peter Rubtzoff 1970-7-17 6285 Sonoma 5 miles north of Sears Point. Comment
  UCD64360  Distichlis spicata Collector Unknown 1941-9-1 153 Sonoma Near mouth of Walker Creek by Tomales Bay. Comment
  UCD64448  Distichlis spicata Collector Unknown Fall 1941 147 Sonoma Few miles above Tolay Creek bridge, off Black Point Road. Comment
  UCSB45485  Dodecatheon clevelandii Fairbank, K. 1979-3-29 Sonoma 1/2 mile from the intersection of Vine Hill Road and Laguna Road, on Vine Hill Road 45 Comment
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  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
  JEPS86773  Downingia concolor var. concolor Jack and Betty Guggolz 1990-5-4 1046 Sonoma 1.25 mi w Fulton Road (n side of Piner Road, in the sw corner of a Simi Winery vineyard) 30 Comment
  UC1244022  Downingia concolor var. concolor John H. Weiler 1960-4-22 60127 Sonoma 0.2 mi nw East Windsor city limits (0.1 mi nw of Windsor River Road, directly opposite the entrance to Mattapan Ranch, bordering U.S.Highway 101) Comment
  JEPS108504  Downingia concolor var. concolor Lisa Schultheis 1995-5-31 191 -95 Sonoma North Windsor. Intersection of Starr Rd. and Redwood Hwy., NE end. Comment
  RSA181927  Downingia concolor var. concolor John Weiler 1960-4-22 60101 Sonoma State Hwy 12; 1.7 miles N of the turn to the Sonoma State Home or 3.0 miles N of Agua Caliente. Comment
  UC1244020  Downingia concolor var. concolor John H. Weiler 1961-4-30 6197 Sonoma 1.2 mi w Schellville railroad station (along State Highway 37) Comment
  JEPS29138  Downingia pusilla John H. Weiler 1961-4-30 6196 Sonoma 4.4 mi n Sears Point (along State Highway 37) 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
  RSA42006  Drymocallis glandulosa var. wrangelliana Ella Dales Cantelow 1938-5-7 2403 Sonoma 4.5 miles NM of Bodega Comment
  CAS-BOT-BC71015  Dryopteris arguta D. E. Breedlove 1980-6-28 44813 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC71021  Dryopteris arguta Walter Knight; Irja Knight 1963-12-27 460 Sonoma Pine Flat Road Comment
  CAS-BOT-BC71013  Dryopteris arguta Dorothy Scherer 1997-5-7 096 Sonoma Along path south side of Fort Ross Cr. halfway from Hwy 1 to ocean, Fort Ross State Historic Park 36 Comment
  UC1201281  Dryopteris arguta E. Samuels 233 Sonoma Comment
  SD95157  Dudleya cymosa Mark Cary 1971-4-22 45 Sonoma Canyon Road, 15 miles west of Geyserville. Comment
  CAS-BOT-BC428179  Dudleya cymosa subsp. cymosa unspecified No date on label s.n. Sonoma Russian River Comment
  CAS-BOT-BC428384  Dudleya farinosa L. R. Abrams 1920-7-3 7634 Sonoma Near Stewarts Point Comment
  UC830945  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UCD101915  Dudleya farinosa Frederica Bowcutt 1984-6-23 422 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-BC428379  Dudleya farinosa Alice Eastwood 1915-6-5 s.n. Sonoma Calistoga Comment
  UC830922  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mill Comment
  SD71429  Dysphania ambrosioides Peter Rubtzoff 1958-8-16 3867 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  UCD164211  Echinochloa Peter Rubtzoff 1978-9-10 9264 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  CAS-BOT-BC176201  Echinochloa crus-galli Peter Rubtzoff 1955-7-17 1974 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC208553  Echinochloa crus-galli David L. Morgan 1955-7-5 s.n. Sonoma Bloomfield Rd., 2 mi. N of junction of Petaluma-Valley Ford Rd. Comment
  UCD160914  Ehrendorferia chrysantha James A. Neilson Jr. 1975-7-8 3421 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  UCD61186  Ehrharta calycina P. G. Connors 1991-5-15 106 Sonoma Bay Flat Rd., above Spud Point Marina. Comment
  CAS-BOT-BC261655  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-5-26 7478 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  RSA94457  Eleocharis acicularis Peter Rubtzoff 1951-6-16 257 Sonoma Uppermost part of the western branch of the Uppper Marsh Comment
  RSA94013  Eleocharis acicularis var. acicularis Peter Rubtzoff 1951-7-22 531 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC113736  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1951-6-17 268 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC112982  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112199  Eleocharis radicans Peter Rubtzoff 1954-7-29 1611 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC113674  Eleocharis tenuis var. tenuis Walter Sturgeon 1957-7-15 s.n. Sonoma Sturgeon's Mill near Sebastopol. Comment
  CAS-BOT-BC451543  Elodea canadensis Peter Rubtzoff 1987-9-27 9860 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  UC682122  Elymus californicus G. L. Stebbins Jr. 1942-5-12 3229 Sonoma 2.5 mi w of Bodega (Bodega Canyon Road); Bodega Canyon Road Comment
  UCD37351  Elymus elymoides Beecher Crampton 1959-6-16 5386 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  UCD61432  Elymus elymoides Beecher Crampton 1959-6-16 5386 Sonoma 1 mile E of Occidental. Comment
  CAS-BOT-BC227149  Elymus elymoides K. Wagnon 1939-5-11 192 Sonoma At entrance of cemetery east of Santa Rosa on Bennet [Bennett] Valley road Comment
  UC730044  Elymus glaucus Leo F. Koch 1940-4-22 836 Sonoma Geysers Sulphur Creek Canyon Comment
  UCD62303  Elymus glaucus R. Tofsrud 1941-4-1 48 Sonoma Field off Franklin Ave. Comment
  CAS-BOT-BC203710  Elymus glaucus subsp. glaucus David L. Morgan 1955-6-28 s.n. Sonoma Two Rock Comment
  CAS-BOT-BC203722  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1100 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  CDA37196  Elymus glaucus subsp. glaucus CDFA Staff 2005-5-19 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  RSA129275  Elymus glaucus subsp. jepsonii H. S. Yates 1937-6-6 6580 Sonoma 8 miles S. W. of Healdsburg 152 Comment
  JEPS78827  Elymus multisetus Edward Lee 1936-6-7 2193 Sonoma South ridge Bohemian Grove (fire trail) Comment
  UC1146633  Elymus trachycaulus Freed W. Hoffman 1944-5-27 2007 Sonoma Dutch Bill Creek North Coast Ranges 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
  SD38384  Epilobium ciliatum subsp. watsonii Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay. Stabilized dunes. Comment
  UC1042438  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-14 444 Sonoma on edge of thicket near creek (s edge of Lower Marsh, near Forestville); Pitkin Marsh, Lower Marsh Comment
  UC1299436  Epilobium foliosum Freed W. Hoffman 1947-4-13 1848 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  CAS-BOT-BC262787  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  UC19965  Epilobium torreyi H. N. Bolander June 1867 6535 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  UC1585376  Epipactis gigantea R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 3 Sonoma On Skaggs Springs-Stewarts Point Rd. 6.9 km w Soda Springs (e of Stewarts Point, along river); Gualala River Comment
  RSA784480  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57038  Equisetum arvense Peter Rubtzoff 1954-8-13 1705 Sonoma Bodega Head Marsh 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-BC57229  Equisetum laevigatum J. W. Congdon 1880-10-27 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC57650  Equisetum telmateia Peter Rubtzoff 1954-9-6 1741 Sonoma Guerneville Marsh Comment
  RSA309328  Equisetum telmateia var. braunii Edward Lee, W. A. Setchell 1936-6-7 2174 Sonoma Trail No. 10, Bohemian Grove. Comment
  CAS-BOT-BC328123  Eragrostis Peter Rubtzoff 1965-8-16 5600 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UC576297  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa; Santa Rosa Quad. 60 Comment
  UCD148411  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC182756  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1956-9-21 2937 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC284043  Eragrostis minor Peter Rubtzoff 1958-8-30 3931 Sonoma Vacation Beach 1.5 mile below Guerneville, bank of Russian River Comment
  RSA785229  Erechtites glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  RSA785230  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  SEINET11265218  Erechtites glomeratus Kaye H. Thorne 1984-11-21 3634 Sonoma Sea Ranch, 2.5 miles South Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  UC1563955  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  POM138289  Eremocarpus setiger A. A. Heller 1902-7-8 8588 Sonoma Sonoma County: Mark West creek N of Santa Rosa Comment
  UC194498  Ericameria arborescens Edw. L. Greene 1888-9-1 Sonoma Petrified Forest Comment
  CAS-BOT-BC131610  Ericameria arborescens Walter Knight; Irja Knight 1963-8-23 194 Sonoma Joost Ranch, Calistoga Rd. Comment
  RSA121646  Ericameria arborescens subsp. arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mile SW of Veeder Mt. 610 Comment
  CAS-BOT-BC293623  Erigeron biolettii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's [Duncans] Mills Comment
  JEPS82249  Erigeron biolettii Roger Raiche 1983-7-15 30496 Sonoma along Skaggs Spring Rd/Stewarts Point Rd 5.8 mi e intersection with Annapolis Road 45 Comment
  UCD131901  Erigeron foliosus var. hartwegii Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC300253  Erigeron reductus var. angustatus Steve Edwards 1984-7-22 s.n. Sonoma Along Bohemian Hwy. N. of Camp Meeker Comment
  CAS-BOT-BC224151  Eriodictyon californicum Peter Rubtzoff 1952-6-3 1169 Sonoma South slopes of Fitch Mtn., near Healdsburg 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
  CAS-BOT-BC259258  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259261  Eriogonum latifolium Alice Eastwood 1915-6-29 4882 Sonoma Bodega Point Comment
  RSA393635  Eriogonum latifolium E. A. Purer 1932-7-16 16259 Sonoma Bodega Bay. Sandy bluff. Comment
  SD38697  Eriogonum latifolium Edith A. Purer 1932-7-16 4033 Sonoma Bodega Bay, sandy bluff Comment
  UC77576  Eriogonum latifolium Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  UC85861  Eriogonum latifolium Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  CAS-BOT-BC259254  Eriogonum latifolium Mary P. Wells 1981-7-2 s.n. Sonoma Bihler's Point, The Sea Ranch Comment
  SD22292  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  UC1299720  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine Austin Creek, Layton Mine Comment
Read comments
Oct 12 2013
  CAS-BOT-BC262391  Eriogonum vimineum D. E. Breedlove 1980-6-27 44782 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC31706 Image available Eriophyllum confertiflorum var. confertiflorum Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  CDA5240  Eriophyllum lanatum var. achilleoides T. C. Fuller 1958-5-24 4000 Sonoma Vinehill District. 0 Comment
  UC90254  Eriophyllum lanatum var. achilleoides T. S. Brandegee July 1893 Sonoma Russian River Comment
Read comments
Jan 10 2016
  JEPS34507  Eriophyllum lanatum var. arachnoideum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 233 Sonoma near Guerneville Comment
  UC1118237  Eriophyllum lanatum var. arachnoideum H. S. Yates 1934-4-21 3810 Sonoma near Bodega Port; Duncan Mills Quadrangle 7 Comment
  UC31668  Eriophyllum lanatum var. arachnoideum Harley P. Chandler 1900-5-25 655 Sonoma Bodega Comment
  UC88938  Eriophyllum lanatum var. arachnoideum Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  CAS-BOT-BC301293  Eriophyllum lanatum var. arachnoideum Milo S. Baker 1947-5-30 11780 Sonoma Harrison's Grade ca 2 mi. N.E. of Occidental Comment
  RSA719882  Eriophyllum staechadifolium Linda E. Watson 1996-5-19 s.n. Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  SEINET12183468  Erodium botrys F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -171 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 450 Comment
  RSA187471  Erodium brachycarpum John H. Thomas 1966-3-18 11482 Sonoma Edge of vineyard at Italian Swiss Colony at Asti. Comment
  CDA20983  Eryngium aristulatum G. F. Hrusa 1997-7-5 14010 a Sonoma North Coast Biodiversity Arena; Small vernal pool approx. 200 m. W of Hwy 128 in drainage of Blossom Creek, 2 km. NW of Tubbs Lane int. Comment
  SEINET13944099 Image available Eryngium aristulatum Joseph Andorfer Ewan 1935-1 9256 Sonoma Along railroad tracks all pls. now dormant, W right School on Sebastopol road Comment
  RSA227227  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-8-25 5805 Sonoma Laguna de Santa Rosa Comment
  CAS-BOT-BC153623  Erythranthe inodora Peter Rubtzoff 1955-7-9 1945 Sonoma Forestville Marsh Comment
  CAS-BOT-BC383058  Erythranthe nasuta David B. Lowry 2005-5-10 CMF Sonoma Camp Meeker Falls, between Camp Meeker and Monte Rio near Bohemian Highway 104 Comment
  CAS-BOT-BC133296  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 609 Comment
  CAS-BOT-BC110557  Eschscholzia John H. Thomas 1969-4-28 14929 Sonoma Duncan's Mill between the coast and Guerneville. Comment
  SD40082  Eschscholzia californica Edith A. Purer 1932-7-29 4047 Sonoma Bodega Bay. Comment
  CAS-BOT-BC290686  Euphorbia Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 ca. 0.3 miles southeast of Forestville. Comment
  RSA0020337  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 mi east of Guerneville, at 9981 Old River Road. Comment
  JEPS51865  Euphorbia crenulata W. L. Jepson 1923-6-28 10012 Sonoma Kenwood Sonoma Canyon (Sonoma Canyon) 243 Comment
  SEINET9325144  Euphorbia peplus John Nelson, Wnek, R. 2000-3-8 20951 Sonoma Near Safeway Grocery, S side of Main St/River Rd (=Hwy 116) in downtown Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  SEINET12143865  Euphorbia supina K. Wagnon, Knight, W. 1987-1 6103 Sonoma Spring Lake Village east of Santa Rosa 15 Comment
  CAS-BOT-BC310740  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  RSA0051265  Euthamia occidentalis Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  CAS-BOT-BC239721  Fabaceae Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 mile north of Cazadero Comment
  RSA0065935  Festuca Greg de Nevers 1989-04 9062 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  JEPS121154  Festuca bromoides Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18600 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  RSA123477  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma 2 miles north of County Farm. 244 Comment
  JEPS112968  Festuca idahoensis Dean W. Taylor 1994-5-4 14212 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  RSA121313  Festuca idahoensis H. S. Yates 1937-5-31 6568 Sonoma Alpine School. 305 Comment
  UC60789  Festuca idahoensis F. T. Bioletti 1897-6-8 Sonoma South Los G<sic> Valley Comment
Read comments
Oct 18 2008
  UCD66173  Festuca occidentalis K. Wagnon 1939-5-14 195 Sonoma Near Wagnon Home, 5 mi. west of Sebastopol. Comment
  UCD132350  Filago pyramidata var. pyramidata John Thomas Howell 1976-4-26 51595 Sonoma hills east of Geyserville on road to Geysers. Comment
  CAS-BOT-BC457579  Fragaria vesca subsp. californica A. A. Heller; H. E. Brown 1902-3-16 5074 Sonoma Russian River near Trenton Comment
  CAS-BOT-BC290632  Frankenia Peter Rubtzoff 1970-5-30 6251 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC540826  Frankenia Peter Rubtzoff 1970-5-30 6251 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC218587  Fraxinus latifolia Peter Rubtzoff 1951-8-19 653 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  HSC16191  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa 122 Comment
  UC843892  Fritillaria affinis Alice Eastwood 1918-5-1 6858 Sonoma Mount St. Helena Comment
  UC3632  Fritillaria recurva Jepson 1893-5-5 Sonoma Mount St. Helena 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
  RSA264745  Galium aparine Peter Rubtzoff 1964-7-7 5395 Sonoma Duncan Mills Marsh. Comment
  UCD160111  Galium aparine James A. Neilson Jr. 1973-6-3 2998 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD121744  Galium californicum J. M. Tucker 1951-6-26 2141 Sonoma Near summit of range, road from Glen Ellen to Oakville. Comment
  POM63227  Galium divaricatum Michener, Bioletti 1892-7-1 s.n. Sonoma Hood's Peak Comment
  UCD121815  Galium murale Frederica Bowcutt; Kate Mawdsley 1996-3-24 2069 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  UCD39139  Galium parisiense Beecher Crampton 1964-8-18 7148 Sonoma N.E. part of county. 'The Geysers', Big Sulphur Creek. 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
  UC473570  Galium porrigens var. porrigens John Thomas Howell 1930-6-8 5263 Sonoma 1 mi e Bodega Bay Comment
  UC480618  Galium porrigens var. porrigens Carl Meyer 1928-3-3 307 Sonoma Santa Rosa Comment
  UCD121928  Galium tricornutum R. N. Raynor 1939-1-14 s.n. Sonoma location unknown. Comment
  RSA264751  Galium trifidum Peter Rubtzoff 1958-7-5 3746 Sonoma Atascadero Creek Marsh. Comment
  UCD121945  Galium triflorum Frederica Bowcutt 1984-6-23 428 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  CAS-BOT-BC278691  Gastridium phleoides Peter Rubtzoff 1956-9-14 2866 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC278692  Gastridium phleoides Peter Rubtzoff 1952-6-3 1148 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCD66718  Gastridium phleoides Freed W. Hoffman 1941-6-3 2076 Sonoma Near Guerneville. Comment
  UCD81373  Gastridium phleoides Frederica Bowcutt 1996-5-19 2127 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 N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  UC1023580  Gastridium ventricosum Virginia Bufford 1936-5-21 361 Sonoma Geysers-Cloverdale Rd. Comment
  UCR248771  Gastridium ventricosum Peter Rubtzoff 1972-6-29 6798 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCR248772  Gastridium ventricosum Peter Rubtzoff 1971-7-9 6599 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  UCR248909  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh Comment
  CHSC63908  Gaultheria shallon John Hale 1990-4-10 20 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UC405441  Gentiana affinis var. ovata Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  UC1191687  Gentiana sceptrum Herbert L. Mason 1946-7-4 12891 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  SD56708  Geranium core-core Darley F. Howe 1963-8-1 3654 Sonoma 2.2 miles north of Jenner on #1 Comment
  SD88311  Geranium core-core Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  UCR222558  Geranium robertianum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16239 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  JEPS30830  Gilia capitata subsp. chamissonis Rimo Bacigalupi and L. R. Heckard 1962-6-19 8586 Sonoma 1/4 mi se Horseshoe Cove (at northeastern base of low hills forming Bodega Head proper); ne base of low hills Bodega Head, se of Horseshoe Cove 12 Comment
  RSA178597  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Upper Bodega Bay Comment
  CAS-BOT-BC226167  Gilia capitata subsp. tomentosa John Thomas Howell 1930-6-8 5265 Sonoma 1 mile east of Bodega Bay Comment
  UC124891  Gilia tricolor subsp. tricolor Katharine Brandegee May 1890 Sonoma Mt. St. Helena Comment
  UC764573  Githopsis specularioides R. F. Hoover 1939-4-18 4035 Sonoma Occidental Comment
  SEINET10972190  Githopsis specularioides A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5308 Sonoma Fields east of Santa Rosa Comment
  CDA2721  Gladiolus italicus William J. Ferlatte 1974-5-1 Sonoma Northwest corner of East Washington and Adobe Road, Petaluma. 0 Comment
  CAS-BOT-BC303748  Glebionis segetum Rimo Bacigalupi 1928-6-18 1878 Sonoma Beach at mouth of Salmon Creek. 2 miles N of Bodega Bay Comment
  CAS-BOT-BC435015  Glinus lotoides Peter Rubtzoff 1969-8-24 6146 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  CAS-BOT-BC227644  Glyceria Peter Rubtzoff 1969-7-5 6109 Sonoma Pond, 5.25 miles northeast of Penngrove, near Lichan Road. Comment
  CAS-BOT-BC283842  Glyceria Paul But 1975-5-18 991 Sonoma W end of Sebastopol city limit, in vernal pool along road to Occidental Comment
  SEINET10817021  Glyceria P. Rubtzoff 1964-6-24 Rubtzoff 5379 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC282809  Glyceria leptostachya Peter Rubtzoff 1960-6-8 4462 Sonoma Fife Creek Marsh Comment
  HSC100882  Glyceria leptostachya Peter Warner 2011-8-18 232 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh in channel, ~50 m S of N edge of parcel, below off-site water impoundment. 42 Comment
  RSA227239  Glyceria striata Peter Rubtzoff 1960-5-22 4414 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  CAS-BOT-BC166684  Gnaphalium Peter Rubtzoff 1962-9-30 5103 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC166688  Gnaphalium Peter Rubtzoff 1965-10-17 s.n. Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166679  Gnaphalium chilense Peter Rubtzoff 1958-8-23 3927 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC166748  Gnaphalium chilense Peter Rubtzoff 1963-9-28 5281 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  POM56984  Gnaphalium palustre A. A. Heller 1902-6-10 5684 Sonoma Santa Rosa Comment
  UCR279626  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 363 Comment
  CAS-BOT-BC305180  Grindelia hirsutula J. T. Howell 1930-6-8 5223 Sonoma 8 mi. west of Petaluma Comment
  UC196832  Grindelia hirsutula J. W. Congdon 1881-5-23 Sonoma Petaluma Comment
  CAS-BOT-BC305173  Grindelia hirsutula Robert M. King 1980-7-8 8413 Sonoma Generally 2 miles north of Bodega Bay Comment
  CAS-BOT-BC305191  Grindelia hirsutula Catherine Best 1981-10-18 s.n. Sonoma On the Coleman Valley Road about 7 mi West of Occidental Comment
  SD225730  Grindelia stricta var. angustifolia R. K. Brummitt 1997-6-10 19686 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach; below small headland, on rocks at top of sandy beach 0 Comment
  CAS-BOT-BC306768  Helenium bigelovii Mary P. Wells 1984-8-8 431 Sonoma Deer Trail, The Sea Ranch Comment
  CAS-BOT-BC306861  Helenium bolanderi Paul F. Covel 1938-7-11 1429 Sonoma Coast Rd near Gualala River Comment
  CAS-BOT-BC309580  Helenium puberulum Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  RSA800283  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC305583  Helianthus bolanderi Walter Knight; Irja Knight 1968-1-1 2271 Sonoma Geysers Resort Comment
  OBI77851  Helianthus gracilentus David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-5 24503 Sonoma Along Cavedale Road ca. 1.5 miles from junction with Trinity Road, Mayacamus Mountains Comment
  JEPS67991  Heliotropium curassavicum Milo S. Baker 1923-8-26 440 Sonoma Russian R. bed near Geyserville; Russian R. Comment
  CAS-BOT-BC305967  Helminthotheca echioides Leonore Bravo 1982-9-12 s.n. Sonoma On road to Armstrong Grove, Guerneville Comment
  CAS-BOT-BC262967  Hemizonia Peter Rubtzoff 1956-9-16 2927 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC258027  Hemizonia Peter Rubtzoff 1970-8-5 6301 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC268068  Hemizonia Peter Rubtzoff 1971-9-30 6710 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC305996  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  RSA796387  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma 6.5 mi NE of Penngrove on Lichau Road. 427 Comment
  RSA800069  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  RSA800071  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  RSA800288  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  UCD166306  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  UC1199370  Hemizonia congesta Joseph P. Tracy 1933-9-9 13071 Sonoma Santa Rosa North Coast Ranges, Santa Rosa 60 Comment
  UCD168048  Hemizonia congesta James Neilson 1981-7-1 4043 Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  POM360350  Hemizonia congesta L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  RSA81615  Hemizonia congesta James I. McMurphy 1908-09 s.n. Sonoma George's Vineyard, near Fulton. Comment
  CAS-BOT-BC306162  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1933-9-3 33352 Sonoma 4 mi. W. Petrified Forest Comment
  SD62035  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-14 Sonoma East of Santa Rosa. 120 Comment
  CAS-BOT-BC306225  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  LA203724  Hemizonia congesta subsp. congesta H. M. Hall; 1916-6-23 10241 Sonoma 12 km NW of Petaluma Comment
  SDSU4572  Hemizonia congesta subsp. congesta D. F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on #1. 122 Comment
  UC897705  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  UCD132980  Hemizonia congesta subsp. congesta Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental road with Facendini Lane. Comment
  UC193421  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 Sonoma 6 mi nw Petaluma 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
  UCD132987  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-7-1 1081 Sonoma 0.35 mile up Duvall Creek from the Bohemian Highway; on the south side of creek. Comment
  CAS-BOT-BC309673  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-9 713 Sonoma Petaluma Comment
  CAS-BOT-BC309680  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles ne. of Penngrove 243 Comment
  CAS-BOT-BC309691  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309726  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC309732  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UC990603  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-7-10 504 Sonoma 4 mi nw Cloverdale; Boonville Comment
  CAS-BOT-BC309719  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  SD243093  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2807 Sonoma North Coast Ranges: Sonoma Valley, Felder Creek drainage, west side of Macabee Road, 0.2 mile north of Felder Road, west of Arnold Drive (Sonoma 7.5'Q) 34 Comment
  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
  SD53366  Hemizonia congesta subsp. luzulifolia Darley F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of Highway 101. Comment
  POM181070  Hemizonia fitchii J. T. Howell 1930-9-14 5485 Sonoma 6 miles N of Geyserville. Comment
  RSA169313  Hemizonia lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 miles NE of Penngrove. 244 Comment
  CAS-BOT-BC310214  Hesperevax sparsiflora var. sparsiflora Alice Eastwood 1921-5-8 10474 Sonoma Petaluma Comment
  OBI7228  Hesperocyparis sargentii Robert F. Hoover 1968-2-23 10895 Sonoma Harrison Grade road near summit Comment
  CDA13135  Hesperolinon spergulinum G. F. Hrusa, R. Gross 1996-6-3 13070 Sonoma North Coast Biodiversity Arena; Ida Clayton Rd., NW side Mt. St. Helena. Comment
  UC1212384  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 3967 Sonoma 2 mi e Occidential (Harrison Grade); Inner North Coast Ranges 213 Comment
  UC1212404  Hesperolinon spergulinum F. W. Hoffman 1950-6-16 3615 Sonoma near Mercuryville (on road from Healdsburg to Big Geysers) Comment
  UC762262  Hesperolinon spergulinum R. F. Hoover 1942-7-6 5913 Sonoma ridge s The Geysers Comment
  SEINET10460647  Heterocodon rariflorum P. Rubtzoff 1963-5-26 Rubtzoff 5133 Sonoma BENNETT MTN LAKE, VERNALLY WET PARTIALLY SHADED GROUND Comment
  UCD113310  Heteromeles arbutifolia Jennifer Bury; Peggy Herzog 1993-5-8 257 Sonoma About 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. On south-facing rocky slope, 25 feet above parking lot, just off of Lower Bald Mountain Trail. 379 Comment
  UC1093930  Heterotheca oregona var. oregona Herbert L. Mason Nov 26 1925-Nov 27 1925 2493 Sonoma Monte Rio, along Russian River Russian River Comment
  CAS-BOT-BC311060  Heterotheca oregona var. oregona Volney Rattan 1877-6-13 s.n. Sonoma Guerneville Comment
  CDA7880  Heterotheca oregona var. rudis T. R. Haig 1959-11-4 Sonoma 5 miles north of Cloverdale. 0 Comment
  UC420433  Heuchera micrantha var. erubescens Milo S. Baker 1898-6-11 678 Sonoma Little Sulphur Creek Comment
  SEINET12216686  Heuchera pilosissima F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -153 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  CAS-BOT-BC319705  Hieracium albiflorum Mary P. Wells 1984-5-24 271 Sonoma Annadel State Park, Santa Rosa Comment
  JEPS78858  Hieracium albiflorum Edward Lee 1936-6-8 2219 Sonoma Bohemian Grove; grounds near entrance Comment
  UC16310  Hoita orbicularis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  CAS-BOT-BC280796  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
  UCD84887  Holcus mollis Terri Williamson 1990-5-20 63 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  UC1084468  Holodiscus discolor G. Thomas Robbins 1937-6-6 233 Sonoma 2-3 mi e of Bodega Bay Comment
  POM274868  Holodiscus discolor Lyman D. Benson 1928-6-25 351 Sonoma Cloverdale-Hopland, Russian River. 457 Comment
  CAS-BOT-BC152393  Holodiscus discolor var. discolor Peter Rubtzoff 1952-6-13 1255 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  POM53174  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  NY114965  Hookera synandra A. A. Heller 1902-6-23 5742 Sonoma Petrified Forest Comment
  UCD85388  Hordeum brachyantherum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC289285  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1960-5-15 4338 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC289294  Hordeum brachyantherum subsp. brachyantherum G. DeNevers 1981-5-12 1139 Sonoma At the Red Corral, old McCann Homestead, Pepperwood Ranch Comment
  UCSB50253  Hordeum brachyantherum subsp. brachyantherum Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 13 Comment
  CAS-BOT-BC285192  Hordeum marinum subsp. gussoneanum David L. Morgan 1956-5-13 s.n. Sonoma 2.5 miles west of Petaluma on the I Street extension road Comment
  SEINET10595770  Hordeum murinum A. Arthur Heller 1902-4-11 Heller 5278 Sonoma Bodega Bay in sand. Comment
  CAS-BOT-BC284844  Hordeum murinum subsp. glaucum Peter Rubtzoff 1951-7-21 487 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  HSC10197  Hordeum murinum subsp. leporinum S. N. Wiemeyer 1962-1-29 7 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  SEINET11690143  Hordeum murinum subsp. leporinum J. T. Howell, Knight, W.; Knight, I. 1987-1 6232 Sonoma corner Todd & Llamo Rds, Todd Road Preserve 24 Comment
  CAS-BOT-BC536156  Horkelia californica P. A. Munz 1936-8-7 14309 Sonoma Six miles north of Bodega Comment
  UC424868  Horkelia californica subsp. dissita Milo S. Baker 1930-5-31 4150 Sonoma e Heldsburg (beyond Brattie's); Russian River Comment
  JEPS78466  Horkelia tenuiloba Edward Lee 1936-6-7 Sonoma Near Highpoint (on the fire trail); Bohemiam Grove Comment
Read comments
Dec 10 2008
  OBI10083  Horkelia tenuiloba Lauramay T. Dempster 1958-5-24 1106 Sonoma Vine Hill, along road Comment
  UCR265134  Hosackia gracilis Ann Howald, Christina Freeman 2015-4-13 3339 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, south shore, c. 300 feet north of intersection Pig Flat and Marsh trails 363 Comment
  CAS-BOT-BC400993  Hypericum anagalloides Milo S. Baker 1927-6-19 2216 a Sonoma Hood Mountain. In Macartney's woods Comment
  OBI48678  Hypericum concinnum Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Hood's peak Comment
  UC1084463  Hypericum concinnum G. Thomas Robbins 1937-6-5 227 Sonoma roadside near Graton (Vine Hill region); Vine Hill region Comment
  CAS-BOT-BC316681  Hypochaeris glabra A. A. Heller 1902-6-7 5661 Sonoma Bennett Valley southeast of Santa Rosa Comment
  UCD133363  Hypochaeris glabra Gerry North 1993-4 26 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Pony Gate Gulch Creek by hig rock. 304 Comment
  POM118406  Iris Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC571179  Iris douglasiana H. L. Mason 1928-4-8 4282 Sonoma Fort Ross Comment
  UCD138707  Iris douglasiana Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 40 A Sonoma Unit 2 Owners' Map, Sea Ranch. Comment
  UCD138714  Iris douglasiana Nicholas Foulder 1982-5-22 49 Sonoma 2 miles south Campmeeke on Highway 4 (Bohemian). Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  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
  CDA13304  Iris macrosiphon G. F. Hrusa, R. Gross 1996-4-2 12827 Sonoma North Coast Biodiversity Arena; Base of Diamond Mtn. on NW side. 2 m. S of Calistoga Comment
Read comments
Jul 28 2008
  CAS-BOT-BC57735  Isoetes howellii Peter Rubtzoff 1962-6-8 4890 Sonoma Bennett Mountain Lake Comment
  RSA227253  Isoetes howellii Peter Rubtzoff 1963-6-22 5188 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC112569  Isolepis cernua Peter Rubtzoff 1962-8-22 5059 Sonoma Bodega Bay Marsh. Comment
  HSC7451  Isolepis cernua A. A. Beetle 1941-7-8 2854 Sonoma 5 mi. S of Stewart's ('Steward') Point 24 Comment
  CAS-BOT-BC340226  Jaumea carnosa Peter Rubtzoff 1962-8-3 5029 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC340232  Jaumea carnosa Roxana S. Ferris 1937-8-18 9372 Sonoma Near mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC340231  Jaumea carnosa J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  RSA0011155  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-BC164643  Juncus Peter Rubtzoff 1964-7-29 5456 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC164386  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-23 6606 Sonoma Sonoma: Laguna, Chileno Valley Comment
  SEINET7042682  Juncus bufonius A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  CAS-BOT-BC182749  Juncus dubius Peter Rubtzoff; Nancy Harrison 1978-5-20 9187 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley Comment
  CAS-BOT-BC210089  Juncus effusus Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  RSA790897  Juncus effusus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  UCR244616  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC157985  Juncus effusus subsp. pacificus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichan Road 213 Comment
  CAS-BOT-BC164049  Juncus effusus subsp. pacificus Peter Rubtzoff 1969-8-14 6136 Sonoma Sonoma: Coleman Marsh Comment
  CAS-BOT-BC157998  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh Comment
  UCR248954  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh 9 Comment
  RSA94255  Juncus occidentalis Peter Rubtzoff 1951-7-28 563 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  SEINET10533400  Juncus oxymeris Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7081 Sonoma On n-facing grassy clay bank, .6 mile w of sonoma-napa county line on hwy. 121. 61 Comment
  UCD150137  Juncus tenuis 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
  CHSC113798  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains. Outer North Coast Ranges. (NCoRO) 375 Comment
  UCD142819  Juncus xiphioides Frederica Bowcutt 1997-7-18 2179 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC235865  Keckiella corymbosa Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  UC1238930  Keckiella corymbosa Freed W. Hoffman 1947-8-9 1431 Sonoma e of Cazadero (near East Austin Creek); North Coast Ranges Comment
  CAS-BOT-BC320577  Kickxia Peter Rubtzoff 1970-9-8 6381 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  RSA0022380  Kickxia elatine Peter Rubtzoff 1970-9-8 6381 Sonoma Marsh on River Road, ca. 3 mi west of Fulton. Comment
  RSA247442  Kickxia elatine Peter Rubtzoff 1959-6-20 4158 Sonoma Willow Creek Marsh. Willow Creek. Comment
  CDA1348  Kickxia spuria A. Ramey 2006-11-27 PDR# 1328770 Sonoma Sebastopol; 2900 Gravenstein Hwy. 95472 Comment
  CAS-BOT-BC273787  Koeleria pyramidata G. DeNevers 1981-5-23 1289 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  UC1299463  Lactuca saligna Freed W. Hoffman 1946-8-23 797 Sonoma Comment
  UC1069689  Lactuca serriola H. S. Yates 1935-10-3 5344 Sonoma Santa Rosa Santa Rosa Quad., Santa Rosa 53 Comment
  UCD158720  Lactuca serriola Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. At the end of the road leading to headwaters of Big Sulphur Creek. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 975 Comment
  CAS-BOT-BC340658  Lactuca serriola Mary P. Wells 1985-8-6 590 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC340661  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UC194415  Laennecia coulteri E. L. Greene 1888-9-1 Sonoma Santa Rosa Comment
  UCR2505  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Stewart's ('Steward') Point 30 Comment
  UCD63277  Lamarckia aurea Beecher Crampton 1954-4-26 1793 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CAS-BOT-BC173572  Lamiaceae Peter Rubtzoff 1958-9-1 3964 Sonoma Guerneville region, Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC486688  Lamiaceae Peter Rubtzoff 1964-5-20 5322 Sonoma Bodega Bay Marsh Comment
  JEPS86322  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 913 Sonoma about 200 m n and 200 m e Northern Pacific RR crossing (crossing of Starr Road) Comment
  UCD150130  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  JEPS86321  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 914 Sonoma Comment
  SEINET7067233  Lasthenia californica A. G. Vestal 1947-5-12 s.n. Sonoma About 1 miles east of Occidental on the Occidental Road. Coordinate datum: NAD27. UTM Zone 10, 506054mE, 4250802mN. Comment
  UC1363833  Lasthenia californica subsp. macrantha Robert Ornduff 1958-4-30 4968 Sonoma just n of mouth Salmon Creek (between road (Highway 1) and ocean); Sonoma Coast Park Comment
  UCD33659  Lasthenia californica subsp. macrantha Beecher Crampton 1971-6-6 8720 Sonoma Carmet, Sonoma Coast State Park. Comment
  CAS-BOT-BC324412  Lasthenia californica subsp. macrantha Paul F. Covel 1938-7-11 1426 Sonoma Near Salmon Beach Comment
  CAS-BOT-BC355519  Lasthenia glaberrima John Thomas Howell 1935-5-5 12604 Sonoma Near Kenwood Comment
  CAS-BOT-BC355526  Lasthenia glaberrima Peter Rubtzoff 1972-4-25 6734 Sonoma Vernal pool 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC355532  Lasthenia glaberrima Peter Rubtzoff 1969-5-24 6054 Sonoma 6.5 mi. NE of Penngrove, on Lichan Road 426 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
  POM52107  Lasthenia macrantha subsp. bakeri Katherine Brandegee 1905-6-27 s.n. Sonoma From Bodega to Bodega Bay, on west side of stream, crossed by road before turning north Comment
  RSA42049  Lasthenia macrantha subsp. macrantha Ella Dales Cantelow 1938-5-7 s.n. Sonoma 2.5 miles N of Bodega Comment
  CAS-BOT-BC370851  Lasthenia minor Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega Comment
  CAS-BOT-BC370899  Lasthenia minor Peter Rubtzoff 1960-5-18 4376 Sonoma Bodega Head Marsh. Comment
  UC1028300  Lasthenia minor George B. Rossbach 1955-3-19 516 Sonoma sw end Bodega Head 30 Comment
  RSA783472  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa Comment
  CAS-BOT-BC474560  Lathyrus hirsutus Ayzik Solomeshch 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, N of city of Rohnert Park, E of Hwy 101 and S of Horn Ave. Vegetation plot sampling from pool #1 30 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
  RSA0018561  Lathyrus vestitus Keith E. Hoffmaster 1946-3-9 1085 Sonoma near Bodega. Comment
  UCD38479  Lathyrus vestitus Beecher Crampton 1955-6-17 2974 Sonoma State Hwy. 12, 1 mile east of Duncan Mills. Comment
  UCD106537  Lathyrus vestitus var. ochropetalus Mary M. Hektner 1975-6-2 193 Sonoma Coastal prairie; along path to beach, below parking lot on Pipers Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SD134005  Lathyrus vestitus var. vestitus Greg de Nevers 1987-1-29 8124 Sonoma Santa Rosa, Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road 99 Comment
  UCR244753  Layia Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Rd. 29 Comment
  CAS-BOT-BC323232  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 miles E of Shellville (just E of intersection of Sonoma road). Comment
  CAS-BOT-BC323252  Layia chrysanthemoides John Thomas Howell 1931-4-2 6048 Sonoma Boyes Springs Comment
  POM361720  Layia chrysanthemoides J. T. Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  SEINET1782113  Layia chrysanthemoides subsp. maritima J. Clausen 1935-5-24 1090 Sonoma 6.2 mi S of Jenner coastal bluffs at a little bay. Comment
  CAS-BOT-BC379624  Layia platyglossa Alice Eastwood 1915-6-29 4836 Sonoma Bodega Point Comment
  POM53352  Layia platyglossa subsp. platyglossa A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  SEINET11995839  Ledum glandulosum F. H. Utech 1988-1 88 -220 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  CAS-BOT-BC312696  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UC688868  Leersia oryzoides Freed Hoffman 1943-10-26 5 Sonoma near Guerneville (Russian River); Russian River Comment
  UCD148508  Leersia oryzoides Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC344880  Lemna minuta Peter Rubtzoff 1961-10-17 4769 Sonoma Cunningham 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-BC339167  Leontodon saxatilis subsp. saxatilis Mary P. Wells 1983-8-3 170 Sonoma Timber Reserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC215729  Lepechinia calycina Walter Knight; Irja Knight 1964-1-17 512 Sonoma Upper Hooker canyon, Cavedale Road Comment
  SEINET12329980  Lepechinia calycina F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -190 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 630 Comment
  CAS-BOT-BC173644  Lepidium Peter Rubtzoff 1965-8-22 5611 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) Comment
  CAS-BOT-BC176125  Lepidium didymum Peter Rubtzoff 1958-8-9 3840 Sonoma Laguna de [Snata] Santa Rosa north of Sebastopol (nr. Occidental road) Comment
  CAS-BOT-BC89739  Lepidium latifolium Walter Knight; Irja Knight 1963-8-9 199 Sonoma North side Lakeville Highway at Petaluma Fertilizer office - Petaluma (waif). Comment
  RSA247447  Lepidium latifolium Peter Rubtzoff 1969-8-26 6158 Sonoma On River Road. 3 miles W of Fulton. Comment
  RSA0057964  Leptochloa fascicularis Greg de Nevers 1997-9-22 11089 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  CAS-BOT-BC273996  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1958-9-27 4006 Sonoma Laguna de Santa Rosa NE of Graton 1/2 mile N of Guerneville Road Comment
  CAS-BOT-BC274000  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point Comment
  RSA54040  Leptosiphon acicularis J. T. Howell 1948-4-18 s.n. Sonoma Hills east of Agua Caliente. 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
  CAS-BOT-BC361344  Leptosiphon harknessii Greg de Nevers 1997-4-24 10968 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC226697  Leptosiphon jepsonii G. DeNevers 1981-4-11 707 Sonoma Pepperwood Ranch. 1st meadow upstream of Pepperwood-Pippindale Gate Comment
  CAS-BOT-BC226700  Leptosiphon jepsonii G. DeNevers 1981-4-8 664 Sonoma Pepperwood Ranch. Pippindale Farm. Hansel's cow pasture, at trail over her driveway Comment
  UCD55069  Leptosiphon jepsonii Ellen Dean; Tammie Beyerl 2006-4-28 3013 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CAS-BOT-BC226735  Leptosiphon latisectus John Thomas Howell 1931-4-4 6179 Sonoma Santa Rosa Canyon Comment
  JEPS87256  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1339 Sonoma about 2 1/4 mi nw of Camp Meeker 207 Comment
  RSA181939  Lessingia arachnoidea Willard Spence 1960-9-13 630 Sonoma 2 miles from Monte Rio on road to camp Meeker and Occidental Comment
  RSA0001374  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  UC33158  Lessingia hololeuca Edw. L. Greene 1888-1-1 Sonoma Comment
  CAS-BOT-BC342011  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma Hills south-east of Santa Rosa 83 Comment
  JEPS128329  Lessingia ramulosa Roger Raiche 2009-8-23 039 .09 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS20586  Lessingia ramulosa Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  UC1299301  Lessingia ramulosa Freed W. Hoffman 1947-9-5 1385 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  UCD166265  Leucanthemum vulgare Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  JEPS116507  Leymus californicus Peter Warner 2009-6-3 104 Sonoma Poff Ranch, along N unfenced boundary, adjacent to or on Willow Creek (Calif. State Parks Property), upper east Pomo Canyon, along logging road 130 Comment
  UCD150275  Leymus triticoides M. Lennox; D. Curle 2011-12-7 PDR 146599 8 Sonoma Petaluma. Comment
  CAS-BOT-BC436538  Ligusticum apiifolium John Thomas Howell 1930-6-8 5252 Sonoma 1 mile east of Bodega Bay Comment
  RSA0045176  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, between Cresta and second bridge below 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
  CAS-BOT-BC451694  Lilaea scilloides Peter Rubtzoff 1970-11-18 6425 Sonoma 1 mi. southeast of Bloomfield. Comment
  CAS-BOT-BC451702  Lilaea scilloides Lewis S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, 1/2 mi. e of Cunningham 15 Comment
  CAS-BOT-BC130696  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130828  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130833  Lilium pardalinum Peter Rubtzoff 1955-7-17 1971 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC123087  Lilium pitkinense Lawrence Beane; Albert Michael Vollmer 1954-7-20 1270 Sonoma in the Pitkin Marsh Comment
  CAS-BOT-BC132997  Lilium rubescens Alice Eastwood; John Thomas Howell 1939-6-11 7434 Sonoma W.F. Booth Ranch, Knights Valley Comment
  JEPS19605  Limnanthes douglasii W. L. Jepson 1914-4-11 5804 Sonoma Sonoma Valley 35 Comment
  UCD116502  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma County. 24 Comment
  UC726862  Limnanthes douglasii subsp. douglasii A. A. Heller 1940-4-22 15553 Sonoma field between East Windsor and West Windsor Comment
  RSA262357  Limnanthes douglasii subsp. douglasii Lynn Gould 1962-4-20 57 Sonoma 1 mile east of Sonoma. 24 Comment
  RSA79068  Limnanthes douglasii subsp. douglasii E. K. Balls, Lee W. Lenz 1952-5-8 17115 Sonoma 0.1 mi. from Kellogg, jct. of road from Mark West Springs with Hwy. 29. 61 Comment
  UC796464  Limnanthes douglasii subsp. nivea Ira L. Wiggins 1949-4-30 12064 Sonoma four mi w Calistoga Comment
  CAS-BOT-BC45950  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5689 Sonoma North side of Hessel Rd. just west of Hwy. 116 Comment
  RSA784683  Limnanthes vinculans Mark A. Elvin 1997-5-7 400 Sonoma S of W-end of E-W runway- Sta Rosa Air Center E Wright Av Comment
  CAS-BOT-BC258682  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  RSA800125  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  UCR279882  Limosella acaulis Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner; near crossing of Hwys 1 & 12 4 Comment
  RSA800898  Limosella acaulis Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UCD166212  Limosella acaulis Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UC908797  Linanthus androsaceus Herbert L. Mason 1928-4-8 4289 Sonoma 2 mi n Fort Ross Comment
  SEINET6969972  Linanthus androsaceus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma About 7.8 miles south-southeast of Annapolis. Northwest Sonoma County Comment
  UC157927  Linanthus androsaceus Milo S. Baker 1898-4-27 624 Sonoma Peach Flat Comment
  JEPS58244  Linanthus bicolor M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio; Russian River Comment
  CAS-BOT-BC225244  Linanthus latisectus Greg de Nevers 1995-5-5 10722 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, on the way to Wiemar Flat 487 Comment
  UCD110567  Linum bienne Beecher Crampton 1959-6-16 5390 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UC72504  Lithocarpus densiflorus Milo S. Baker 1904-6-19 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC36169  Lithocarpus densiflorus var. densiflorus J. W. Congdon 1890-5-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC505199  Lithophragma affine Ann Howald 2015-4-1 3315 Sonoma North Coast Ranges: Stewarts Point--Skaggs Springs Rd, 14.7 mi W of jct with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC430797  Lithophragma affine Mrs. Clara Hunt 1921-4-1 s.n. Sonoma St. Helena Comment
  HSC20223  Lithophragma affine R. F. Good 1962-4-20 4 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  CAS-BOT-BC437151  Lithophragma heterophyllum Mrs. Clara Hunt 1921-4-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC283281  Lolium multiflorum Walter & Irja Knight; J. T. Howell 1987-5-27 6279 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC283290  Lolium multiflorum Peter Rubtzoff 1951-7-21 481 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  UC38792  Lolium multiflorum A. M. Coomes 1896-6-20 Sonoma Cloverdale Comment
  SEINET7067344  Lomatium californicum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles east of Windsor on Porter Creek Road. Coordinate datum: NAD27. UTM Zone 10, 526145mE, 4266921mN. Comment
  SEINET13944396 Image available Lomatium dasycarpum A. A. Heller, H. E. Brown 1902-1 5088 a Sonoma Hills 8 mi NE of Santa Rosa Comment
  SD130504  Lomatium macrocarpum F. Almeda, G. DeNevers 1981-4-28 4905 Sonoma Pepperwood Ranch, ca. 1/2 mile from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Road. Comment
  UCD151087  Lomatium marginatum James A. Neilson Jr. 1974-6-1 2774 Sonoma Mayacmas Mountains, Geyser Rock, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  CAS-BOT-BC217807  Lomatium repostum Greg de Nevers 1997-6-7 11020 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  UC21208  Lomatium utriculatum F. T. Bioletti 1893-6-10 Sonoma Hood's Peak Comment
  CAS-BOT-BC240646  Lonicera hispidula Walter Knight; Irja Knight 1963-10-3 318 Sonoma Crane Canyon Comment
  UCD137317  Lonicera hispidula Mary M. Hektner 1974-7-8 138 Sonoma along State Highway 1, just north of Whalebone Reach, Unit 24 Owners' Map, Sea Ranch. Comment
  UC28524  Lonicera hispidula var. vacillans J. Burtt Davy Aug. 1896 4140 Sonoma Russian River Comment
  UCD160831  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3365 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC244006  Lonicera involucrata var. ledebourii Peter Rubtzoff 1951-5-28 83 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  OBI39523  Lonicera involucrata var. ledebourii F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -148 Sonoma Bridgehaven (village) near jctn of Willow Crk Rd. and Ca hwy 1 along Russian river. 37 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
  RSA22095  Lotus angustissimus Alice Eastwood, John T. Howell 1938-7-11 6267 Sonoma Near Stillwater Cove Comment
  SD113608  Lotus angustissimus Darley F. Howe 1962-7-2 3573 Sonoma 0.9 mile north of junction with #12 on #1. Comment
  UC1057478  Lotus formosissimus G. Thomas Robbins 1937-5-23 211 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Region Comment
  UC15582  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  UC1285193  Lotus junceus var. biolettii R. F. Hoover 1964-9-8 9286 Sonoma near Fort Ross; Kolmer Gulch Comment
  SEINET7042389  Lotus micranthus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  RSA92945  Lotus oblongifolius var. nevadensis Elizabeth McLeod 1930-05 s.n. Sonoma Pilkin Swamps Comment
  UCR2752547  Lotus purshianus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  UC400143  Lotus purshianus var. purshianus Ynes Mexia 1929-6-2 2392 Sonoma near Mark West Springs Comment
  UC424767  Lotus stipularis var. stipularis Milo S. Baker 1929-6-1 3573 a Sonoma near Vine Hill School House Comment
  RSA568520  Lotus unifoliolatus H. L. Bauer 350 Sonoma Big Basin Comment
Read comments
Sep 18 2012
  UC58312  Lotus wrangelianus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  UCD65848  Ludwigia hexapetala B. J. Grewell 2006-8-23 06- 49 -LU Sonoma Russian River watershed, Russian River at Washington School Road summer water crossing, Asti. Collection downstream of low water bridge, east bank. 69 Comment
  UCD66031  Ludwigia hexapetala B. J. Grewell 2006-7-21 06- 22 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  UCD66045  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 54 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  CAS-BOT-BC251193  Ludwigia palustris Peter Rubtzoff 1954-6-7 1486 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  UC728662  Ludwigia palustris Milo S. Baker 1945-7-18 11110 Sonoma upper meadow of Pitkin Marsh Comment
  CAS-BOT-BC164036  Ludwigia peploides Peter Rubtzoff 1958-8-9 3851 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) Comment
  UCD166501  Ludwigia peploides Peter Rubtzoff 1961-8-24 4711 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  CAS-BOT-BC164056  Ludwigia peploides Peter Rubtzoff 1956-9-15 2911 Sonoma Atascadero Creek Marsh Comment
  UCD115931  Lunaria annua Frederica Bowcutt 1994-5-1 1797 Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. 213 Comment
  CAS-BOT-BC201290  Lupinus Charles Piper Smith 1947-6-25 47570 Sonoma Highway 1, Fort Ross, 1.9 miles north Comment
  JEPS57129  Lupinus albifrons L. R. Heckard 1967-5-7 1593 Sonoma w of summit Hood Peak; w of summit of Hood Peak 792 Comment
  SEINET10488438  Lupinus albifrons Joseph W. Congdon 1880-5-16 Congdon s.n. Sonoma Comment
  CAS-BOT-BC195981  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood Comment
  UCD106015  Lupinus albifrons var. albifrons Frederica Bowcutt 1996-5-24 2158 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/Rattlesnake Creek confluence on small knoll. 381 Comment
  CAS-BOT-BC196459  Lupinus arboreus Alice Eastwood; John Thomas Howell 1939-4-2 7371 Sonoma North of Bodega Bay Comment
  HSC42043  Lupinus arboreus S. Saufferer 1973-5-24 216 Sonoma Bodega Bay Comment
  CAS-BOT-BC8409  Lupinus bicolor var. tridentatus Alice Eastwood 1921-4-24 10369 Sonoma Santa Rosa Comment
  SEINET10543866 Image available Lupinus formosus subsp. formosus A. Arthur Heller 1940-4-22 Heller 15546 Sonoma Anderson Valley in clay soil in a field in the oak belt of the Upper Sonoran Life Zone. Comment
  UCR265092  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 17.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 260 Comment
  SEINET10490799  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-6-5 Congdon s.n. Sonoma Petaluma. Morphology study voucher. Comment
  SEINET10936597  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-4-12 Congdon s.n. Sonoma Santa rosa rd. Comment
  UC865135  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma hills between Petaluma and Napa; between Pelaluma and Napa Comment
  UC155230  Lupinus microcarpus var. densiflorus Katharine Brandegee 1907-6-30 Sonoma Cliffs near Bodega Bay; Cliffs near Bodega Bay Comment
  CAS-BOT-BC8457  Lupinus microcarpus var. microcarpus Marcus Eugene Jones 1882-7-17 3329 Sonoma Duncan's Mills Comment
  SD88508  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-29 Sonoma North of Jenner Comment
  SDSU4969  Lupinus microcarpus var. microcarpus D. F. Howe 1966-6-2 4263 Sonoma 0.5 miles south of Bodega Bay. Comment
  UC1537144  Lupinus nanus Gordon H. True Jr. 1938-4-13 863 Sonoma between Sonoma and Black Point; between Sonoma and Black Point 15 Comment
  UCD108973  Lupinus nanus Mary M. Hektner 1975-4-27 185 Sonoma next to parking lot; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA87076  Lupinus nanus var. apricus F. W. Peirson, Mabel B. Peirson 1926-4-1 6545 Sonoma 4 miles north of Ignacio. Comment
  CAS-BOT-BC207259  Lupinus sericatus Greg de Nevers 1996-3-4 10783 Sonoma In Devil's Kitchen outcrops on Oak Hill Ranch east of Chalk Mountain, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  JEPS77251  Lupinus succulentus Robert M. Lloyd 1963-4-24 2390 Sonoma on road to Oakdale 1.3 mi from State Highway 12; rd to Oakdale 243 Comment
Read comments
Sep 25 2013
  JEPS127737  Lupinus variicolor B. Keller, Pacifica, G., Valov, Debra 2009-5-8 UCBG 36 Sonoma Bodega Marine Reserve, about 14 km west of the town of Bodega & 7.1 km west of Bodega Bay. Comment
  UCSB50220  Lupinus variicolor Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  SEINET13198378 Image available Lupinus versicolor A. G. Vestal 1947-5-13 s.n. Sonoma Comment
  SEINET6932751 Image available Lupinus versicolor W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Cove at Bodega Head. Comment
  CAS-BOT-BC210065  Luzula Peter Rubtzoff 1955-6-4 1900 Sonoma Forestville Marsh Comment
  UCD166725  Luzula Peter Rubtzoff 1963-5-26 5135 Sonoma Bennett Mountain Lake. Comment
  RSA177992  Luzula comosa Robert F. Thorne 1965-4-19 34298 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  POM170557  Luzula comosa A. A. Heller, H. E. Brown 1902-3-26 2793 Sonoma Santa Rosa Creek. Comment
  RSA121011  Luzula comosa Alice Eastwood 1922-5-4 11250 Sonoma Calistoga. Comment
  CAS-BOT-BC436743  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC441296  Luzula macrantha G. De Nevers 1981-3-25 566 Sonoma Pepperwood Ranch. Between the two fir-Redwood canyons Comment
  CLARK-A1528-3216  Lythrum hyssopifolia John C. Roos 1938-6-19 Sonoma Novato Comment
  SEINET12193549  Lythrum hyssopifolia W. Knight, Knight, I. 1983-1 4719 Sonoma Sonoma Mountain Rd #2 at former Jack London property at old Wake Robin Lodge site Comment
  CAS-BOT-BC368100  Madia anomala Greg de Nevers 1998-5-12 11247 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1069880  Madia anomala H. S. Yates 1934-4-22 3851 Sonoma 2 mi s of Mark West; Calistoga Quadrangle Comment
  CAS-BOT-BC344041  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  UC455510  Madia elegans I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  UC89416  Madia elegans T. S. Brandegee Sonoma Hook Springs Comment
  UCD132769  Madia elegans Frederica Bowcutt 1994-6-12 1869 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail above Adobe Canyon Road (road visible from trail.) Less than 1/8 mile SW of trail juncture with Pony Gate Gulch Creek. 326 Comment
  UCD132772  Madia elegans Frederica Bowcutt 1997-7-20 2205 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. At Pony Gate Trail, above Adobe Canyon Rd., about 2.6 miles from intesection with Hwy.12. 396 Comment
  UC598735  Madia gracilis John Bright 1936-5-2 13114 Sonoma near Healdsburg Comment
  UCD55336  Madia gracilis Ellen Dean 2006-6-28 3180 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  UCR218636  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16225 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
  HSC100964  Madia gracilis Peter Warner 2011-5-28 203 Sonoma Cresta Ranch (Sonoma Co. Ag. Preservation and Open Space Dist. Property; off Mark West Springs Rd. at Mark West Lodge), upslope S from Cresta Rd., near western property boundary. 0 Comment
  POM231097  Madia nutans Jens Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Springs. Comment
  CAS-BOT-BC345224  Madia sativa David D. Keck 1933-11-6 2645 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC345228  Madia sativa H. M. Hall 1916-7-24 10250 Sonoma Near Petaluma Comment
  CAS-BOT-BC345217  Madia sativa H. M. Hall 1916-7-23 10244 Sonoma Near Petaluma Comment
  CAS-BOT-BC345253  Madia sativa Walter Knight; Irja Knight 1963-10-3 378 Sonoma Off-ramp at freeway US 101 and Railroad Ave - Cotati Comment
  RSA786499  Madia sativa Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSB15481  Madia sativa Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  CAS-BOT-BC511334  Maianthemum dilatatum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC511539  Maianthemum racemosum subsp. amplexicaule Ynez Whilton Winblad 1941-6-25 s.n. Sonoma Between Garberville and Pepperwood Comment
  CAS-BOT-BC511573  Maianthemum racemosum subsp. amplexicaule A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay 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-BC511499  Maianthemum stellatum J. W. Congdon 1880-5-2 s.n. Sonoma Cleveland's Creek Comment
  RSA177926  Maianthemum stellatum Robert F. Thorne 1965-4-20 34377 Sonoma Charles Newman s place up Los Alamos Rd, on Rincon Ridge 396 Comment
  UCD158739  Malacothrix floccifera James A. Neilson Jr. 1973-7-10 2827 Sonoma Mayacmas Mountains. The Geysers. (Elevation estimated using Google Earth by label maker.) 441 Comment
  POM187938  Malacothrix floccifera Marcus E. Jones 1931-8-3 29094 Sonoma Cloverdale. Comment
  UCD113227  Malus pumila Peter Rbtzoff 1952-5-31 1102 Sonoma Pitkin Marsh, near Forestville. Comment
  UC30929  Mantisalca salmantica Miss M. A. King July 1897 Sonoma Healdsburg Comment
  HSC7018  Marah fabacea F. Demostene 1966-4-1 3 Sonoma 2 mi. E of Healdsburg Comment
  SBBG53030  Marah fabacea M. R. Benedict 1978-4-18 Sonoma Skaggs Spring Rd, above Warm Springs dam site Comment
  RSA128555  Marah oregana P. H. Raven 1950-4-6 1601 Sonoma Lower slopes of Rincon Ridge. Comment
  CAS-BOT-BC348220  Matricaria discoidea D. E. Breedlove 1980-6-28 44807 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD134575  Matricaria discoidea Caitlin Lewis; William Mutch 1993-4-17 9 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; Sonoma Creek. 365 Comment
  UCD134584  Matricaria discoidea Gerry North 1993-4 23 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. South of Hillside Trail, at fork by water tank. 426 Comment
  RSA719881  Matricaria matricarioides Linda E. Watson 1996-5-19 96 3 A Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  CAS-BOT-BC269509  Melica californica David L. Morgan 1956-4-27 s.n. Sonoma 3 mi. W. of Petaluma on I St. Ext. Comment
  SEINET10599364  Melica californica A. Arthur Heller 1902-4-23 Heller 5351 Sonoma Near Sonoma. Comment
  UCD87221  Melica californica R. Tofsrud 1947-7-2 175 Sonoma 6 Comment
  SEINET11678851  Melica frutescens Unknown 1936-1 13117 Sonoma near Hopland Comment
  CAS-BOT-BC383038  Melica geyeri Greg de Nevers 1989-4-1 9057 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  JEPS128380  Melica geyeri Roger Raiche 2000-5-5 086 .00 Sonoma The Cedars. Danfield Creek, Leona's Cabin Site. Gualala River, Wheatfield Fork watershed. Comment
  SACT001511  Melica geyeri M. Wiesendanger 1927-5-5 Sonoma Comment
  POM204773  Melica harfordii W. C. Blasdale, Jos Burtt Davy 1899-7-22 6001 Sonoma Guerneville. Comment
  UCD36634  Melica harfordii Beecher Crampton 1955-6-8 2827 Sonoma Sonoma County, 7 miles northwest of Calistoga, along State Highway 128. Comment
  UCD88632  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC262554  Melica torreyana G. DeNevers 1981-5-7 1006 Sonoma Pepperwood Ranch. By confluence of Leslie Creek with Mark West Creek Comment
  CAS-BOT-BC262558  Melica torreyana Peter Rubtzoff 1952-6-3 1161 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC262561  Melica torreyana Peter Rubtzoff 1953-5-17 1381 Sonoma Near road from Vacation Beach to Edendale, near Guerneville Comment
  OBI22007  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi N of Sonoma 61 Comment
  UCD88809  Melica torreyana E. Armstrong 1934-3-26 912 Sonoma 3 mile N.W. of Camp Meeker. 121 Comment
  SEINET10599669  Melica torreyana A. Arthur Heller 1902-3-17 Heller 5084 Sonoma Hills near Santa Rosa. Comment
  UCD89206  Melica torreyana R. Tofsrud 1942-4-1 299 Sonoma Wooded hill between S.R. and County farm. Comment
  CAS-BOT-BC268121  Melilotus indicus Peter Rubtzoff 1953-11-1 1432 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC268075  Melilotus indicus Peter Rubtzoff 1968-8-31 5941 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164082  Mentha Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC164352  Mentha Peter Rubtzoff 1973-8-29 7281 Sonoma Sonoma Creek near Aqua Caliente Road crossing west of Aqua Caliente. Comment
  RSA785213  Mentha Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  RSA785218  Mentha Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh. Comment
  RSA785674  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  POM62998  Mentha X piperita A. A. Heller 1902-7-1 s.n. Sonoma Lagoon at Sebastopol Comment
  UCD166502  Mentha canadensis Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  CHSC21958  Mentha pulegium Robert A. Schlising 1962-11-23 2425 Sonoma California Coastal Range. Near Two Rock. Comment
  UC104585  Mentha pulegium W. E. Bryant July 1887 Sonoma Healdsburg Comment
  UCR280187  Mentha pulegium Peter Rubtzoff 1958-8-9 3830 Sonoma Laguna de Santa Rosa, north of Sebastopol, near Occidental Road 20 Comment
  CAS-BOT-BC173657  Mentha pulegium Peter Rubtzoff 1956-9-16 2921 Sonoma Guerneville region. Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  UCD148376  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  UCR244649  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh Comment
  UCR255872  Mentha spicata Greg de Nevers 1992-6-26 10184 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 91 Comment
  CAS-BOT-BC173571  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh. Comment
  RSA785145  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  RSA785146  Mentha spicata Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh. Comment
  JEPS128228  Micropus Roger Raiche 2000-5-4 071 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC348627  Micropus californicus var. californicus G. DeNevers 1981-5-5 944 B Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden Comment
  CAS-BOT-BC348687  Microseris acuminata Alice Eastwood 1921-4-24 10393 Sonoma Santa Rosa Comment
  CAS-BOT-BC348734  Microseris bigelovii Francia Chisaki; Peter Kamb 1952-6-21 2304 Sonoma Fort Ross Comment
  CAS-BOT-BC322707  Microseris laciniata John Thomas Howell 1937-6-6 13013 Sonoma Sebastapol Comment
  UC50056  Microseris laciniata subsp. laciniata J. Burtt Davy 1894-6-17 Sonoma Knight's Valley Comment
  UC682111  Microseris laciniata subsp. laciniata G. L. Stebbins Jr. with A. A. Beetle 1942-6-4 3287 Sonoma on State Highway No. 12 to Sebastopol 4.1 mi w Santa Rosa (e of corner of Wright Road) Comment
  JEPS36204  Microseris paludosa W. L. Jepson 1921-6-2 9300 Sonoma flats just e Calhoun Ranch (nw of Windsor) Comment
  CAS-BOT-BC320519  Mimulus Peter Rubtzoff 1974-5-26 7484 Sonoma Vernal pool area on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC311876  Mimulus Peter Rubtzoff 1959-6-20 4171 Sonoma Willow Creek Marsh. Comment
  UCD122192  Mimulus aurantiacus Jennifer Bury; Peggy Herzog 1993-5-8 281 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. 438 Comment
  SEINET12329968  Mimulus aurantiacus F. H. Utech 1986-1 86 -101 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  UC1193339  Mimulus aurantiacus var. aurantiacus R. H. Neuns 1950-5-8 108 Sonoma 5 mi e Geyserville; Quad. 60B3 457 Comment
  UC445122  Mimulus aurantiacus var. aurantiacus Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UC943906  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-11-5 5454 Sonoma along road from Kenwood to Oakville Comment
  SEINET12337138  Mimulus bolanderi Unknown 1986-1 60284 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 0.5 mi N of Ida Clayton Rd 747 Comment
  UC26898  Mimulus cardinalis Alice Bolton 1888-8-29 Sonoma below Guerneville; Russian River Comment
  JEPS86851  Mimulus douglasii David M. Thompson 1989-4-4 995 Sonoma 1.1 mi n Porter Creek Road (along Franz Valley Road) 300 Comment
  JEPS86852  Mimulus douglasii David M. Thompson 1989-3-18 990 Sonoma 2.8 mi w of birdge Lake Sonoma (along Rockpile Road, then 0.4 mi s along paved campground road to Liberty Glen campground entrance booth, 0.1-0.2 mi ne of parking area); Lake Sonoma Recreation Area 180 Comment
  POM5095  Mimulus guttatus Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  UCR248740  Mimulus guttatus Peter Rubtzoff 1970-6-21 6271 Sonoma North Coast Ranges, tributary of Mark West Creek, c. 3 mi west of Fulton 49 Comment
  UCR248747  Mimulus guttatus Peter Rubtzoff 1974-5-26 7484 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen Comment
  UCR248895  Mimulus guttatus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood Marsh 120 Comment
  UCR252545  Mimulus guttatus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh, near Forestville 38 Comment
  UCR253011  Mimulus guttatus Peter Rubtzoff 1959-6-20 4170 Sonoma Willow Creek Marsh 9 Comment
  UCR275267  Mimulus guttatus Peter Rubtzoff 1955-8-20 2081 Sonoma Bodega Harbor Marsh 0 Comment
  SEINET12334049  Mimulus guttatus Unknown 1977-1 17 Sonoma no further locality 122 Comment
  SEINET12335261  Mimulus guttatus subsp. arvensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -251 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD151248  Mimulus layneae James A. Neilson Jr. 1974-4-24 2732 Sonoma Mayacmas Mountains. Little Geysers Creek. 731 Comment
  UC1239049  Mimulus microphyllus Freed W. Hoffman 1947-3-9 814 Sonoma 2 mi e Occidental; North Coast Ranges 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
  UC26981  Mimulus microphyllus State Survey 974 Sonoma Sonoma Comment
  UC26912  Mimulus pilosus J. Burtt Davy 1896-7-22 4144 Sonoma Russian River Comment
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle Comment
  CAS-BOT-BC388889  Minuartia douglasii Greg de Nevers 1990-3-26 9656 A Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UC8116  Minuartia douglasii J. Burtt Davy 1894-6-17 Sonoma Mt. St. Helena Comment
  UC7699  Mollugo verticillata Miss Alice King 1897-1 Sonoma Healdsburg Comment
  UC1980567  Monardella James L. Reveal 1987-6-7 6414 Sonoma Along Cavedale Road, about 2.4 mile south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles south east of Santa Rosa Comment
  CAS-BOT-BC220386  Monardella purpurea Milo S. Baker 1947-5-30 11781 Sonoma Harrison Grade, ca 2 mi. N.E. of Occidental Comment
  CHSC67996  Monardella villosa Jack Guggolz; Betty Guggolz 1992-6-13 1313 Sonoma West side of Black Mountain, south of Geyser Peak. 597 Comment
  CAS-BOT-BC314209  Monardella villosa A. A. Heller 1902-6-28 5791 Sonoma Between Knight's Valley and Mark West Springs. Comment
  UC722653  Monardella villosa subsp. franciscana C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC314158  Monardella villosa subsp. subserrata Peter Rubtzoff 1952-6-13 1256 Sonoma NE slopes of Fitch Mtn, near Healdsburg. Comment
  CAS-BOT-BC314162  Monardella villosa subsp. subserrata John Thomas Howell 1929-6-30 4316 Sonoma 6 miles from Petrified Forest on road to Knights Valley. Comment
  CHSC68008  Monardella villosa subsp. villosa James Jokerst 1985-5-29 2387 Sonoma Near Cobb Mountain. 1126 Comment
  JEPS70099  Monardella villosa subsp. villosa Geo. W. Dunn June, 1890 Sonoma Comment
  CAS-BOT-BC220701  Monardella viridis Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 228 Comment
  UCD125281  Monardella viridis Frederica Bowcutt 1994-6-24 1878 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.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  JEPS83653  Monardella viridis subsp. viridis R. Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 304 Comment
  UC50091  Monolopia major H. N. Bolander 1866-4-18 4665 Sonoma Petaluma Comment
  CAS-BOT-BC7347  Montia clara Amos Arthur Heller 1902-4-16 5313 Sonoma Santa Rosa Comment
  UCD144662  Montia fontana Frederica Bowcutt; Jolie Hendricks, Jeff Kennedy 1994-5-1 1792 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence of Rattlesnake Creek, meadow in center of campground. 350 Comment
  CAS-BOT-BC444991  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  UCD144661  Montia fontana Frederica Bowcutt; Kate Mawdsley 1996-3-24 2067 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn, just S of Sonoma Creek. 365 Comment
  UC496426  Montia parvifolia Merle Randall 1930-6-8 Sonoma Cazadero, Austin Creek Austin Creek; Cazadero, Austin Creek Comment
  JEPS21579  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Ranch, Pitkin Marsh Comment
  RSA113964  Myosotis discolor Peter Kamb, Francia Chisaki 1950-6-16 1867 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  UCD119530  Myosotis latifolia N. F. Sommer 1954-5-15 81 Sonoma State Highway 12, at park on north edge of Occidental. 30 Comment
  CAS-BOT-BC257680  Myriophyllum aquaticum Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, ca. 1 mile east of the Laguna de Santa Rosa. Comment
  CAS-BOT-BC251160  Myriophyllum hippuroides Peter Rubtzoff 1962-8-3 5021 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC376236  Myriophyllum hippuroides Greg de Nevers 1996-10-18 10887 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  CAS-BOT-BC258925  Myriophyllum hippuroides Peter Rubtzoff 1955-7-16 1966 Sonoma Bennett Mountain Lake. Comment
  UC1146589  Nassella lepida Freed W. Hoffman 1942-5-11 2267 Sonoma Headwaters Gualala River (The Roughs) North Coast Ranges Comment
  UCD38537  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg, along U.S. Hwy 101. Comment
  UCD87535  Nassella pulchra Mary M. Hektner; Sue Dakuzaku 1974-6-4 22 a Sonoma Unit 31 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC260281  Nassella pulchra K. Wagnon 1939-5-4 187 Sonoma Downie's pasture, 5 miles W of Sebastopol, near O'Farrel Hill Comment
  CAS-BOT-BC344989  Nasturtium officinale Peter Rubtzoff 1960-5-18 4387 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC60522  Nasturtium officinale Peter Rubtzoff 1960-5-22 4411 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  RSA135454  Navarretia intertexta Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg. Comment
  UCD48410  Navarretia intertexta Calvin McMillan Date Unknown 597 Sonoma Sonoma County, Trinity Road, 6 miles northeast Glen Ellen. Comment
  CAS-BOT-BC230369  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1978-5-20 9176 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 mile from Llano Road (off N side of the road, in Todd Road Wildflower Preserve) Comment
  UC631637  Navarretia leucocephala subsp. bakeri G. Thomas Robbins 1937-5-23 186 Sonoma near Wright School Comment
  RSA227205  Navarretia leucocephala subsp. plieantha Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road Comment
Read comments
Dec 22 2014
  UCD38724  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma State Hwy. 1, 1 1/4 miles southeast Bodega Bay. Comment
  UC67242  Nemophila heterophylla Milo S. Baker 1902-3-31 Sonoma Kenwood Comment
  POM65258  Nemophila heterophylla A. A. Heller, H. E. Brown 1902-3-16 s.n. Sonoma Russian River, Near Trenton. Comment
  UCD119984  Nemophila heterophylla Frederica Bowcutt 1996-3-24 2087 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. Along Vista Trail just SE of Headwaters Trailhead. 563 Comment
  UC72013  Nemophila menziesii var. atomaria Milo S. Baker 1898-3-26 738 Sonoma near Melita; near Melita Comment
  UC75665  Nemophila menziesii var. atomaria Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  UCD170754  Nemophila menziesii var. atomaria C. Benefield 1997-5-12 31 Sonoma Bodega Bay, in front of University of California Marina Laboratory. 24 Comment
  RSA75893  Nemophila menziesii var. atomaria Lincoln Constance 1938-4-24 2158 Sonoma Mouth of small canyon, 0.5 mile south of Fort Ross. 91 Comment
  POM126455  Nemophila menziesii var. menziesii H. P. Chandler 1907-4-28 7551 Sonoma Santa Rosa to Calistoga. 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
  CAS-BOT-BC231512  Nicotiana Peter Rubtzoff 1986-9-28 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC157656  Nicotiana bigelovii Peter Rubtzoff 1959-9-19 4284 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  UC1586101  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma ca 5 air mi s Cloverdale (point below Little Flat parking area w of bridge); Lake Sonoma 152 Comment
  CAS-BOT-BC400127  Nuphar polysepala Mary P. Wells 1984-7-20 368 Sonoma Sagpond east of Timber Ridge Road near the air strip. The Sea Ranch 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
  JEPS15790  Oenanthe sarmentosa M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 239 Sonoma near Guerneville (Russian River); Russian River Comment
  UC566873  Oenanthe sarmentosa H. L. Mason June, 1930 5647 Sonoma mouth of Gualala R. Comment
  UCD35515  Orobanche californica subsp. californica B. Crampton 1957-7-11 4335 Sonoma 1.3 miles north of Salmon Creek, Sonoma Coast State Park. Comment
  JEPS14552  Orobanche fasciculata Peter Kamb 1951-6-17 1876 Sonoma Larkspur Rock', south side of Cheney Gulch, 2.9 miles west of fork in road to Bodega and Valley Ford. Comment
  SEINET269411 Image available Orthocarpus erianthus Richard J. Shaw 1963-6-10 1280 Sonoma Highway 1 ca. 2 miles north of Bodega Bay across the street from Arch Rock Beach. Comment
  RSA402030A  Orthocarpus faucibarbatus L. S. Rose 1933-5-9 33158 Sonoma Bodega Bay. Comment
  UCR222527  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16250 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  UCD110761  Oxalis corniculata Lloyd M. Harwood 1964-4-20 s.n. Sonoma Santa Rosa. Comment
  UCD110992  Oxalis pilosa K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC227648  Panicum Peter Rubtzoff; Nancy Harrison 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UC1532604  Panicum acuminatum var. acuminatum R. Spellenberg 1966-9-7 1618 Sonoma The Geysers along Sulphur Creek downstream from the The Geyser area; The Geysers, along Sulphur Creek Comment
  UCD161862  Panicum acuminatum var. fasciculatum James A. Neilson Jr. 1978-7-15 3970 Sonoma Mayacmas Mountains. Socrates Mine Headquarters. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD88706  Panicum acuminatum var. fasciculatum P. B. Kennedy 1915-5-31 21 Sonoma Annapolis region. Comment
  UCD89126  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 d Sonoma North East part of county. The Geysers, Comment
  UCSC000082  Panicum capillare Ken Kellman 1998-9-12 s.n. Sonoma Sandy ground above overflow pool of the Russian River, near Guerneville Comment
  SEINET11690288  Panicum capillare subsp. hillmanii I. Knight, Knight, W.; Howell, J. T. 1986-1 5854 Sonoma Penngrove, at edge of driveway to fire department entrance 18 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
  SBBG115658  Panicum thermale B. Crampton 1964-8-18 7139 c Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  SEINET3144584  Panicum thermale H. N. Bolander 1860-1-1 3941 Sonoma Gysers [?] Comment
  UCD88621  Parapholis incurva Beecher Crampton 1957-7-11 4316 Sonoma western edge of Bodega Harbor. About 2 miles, by road, west of the town of Bodega Bay. Comment
  UC1185392  Parvisedum pumilum Wayne Roderick 1961-5-4 Sonoma Agua Caliente 3 mi n of Sonoma (at intersection of Route 12 and Sierra Avenue) Comment
  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-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
  CAS-BOT-BC366898  Passiflora citrina Greg de Nevers 1997-12-10 11109 Sonoma Fulton Comment
  UC1071574  Paxistima myrsinites E. Armstrong 1934-3-26 905 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. 182 Comment
  CAS-BOT-BC371443  Pectocarya pusilla Greg de Nevers 1998-4-26 11195 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Silva's property, Devils Kitchen, in Section 6 400 Comment
  CAS-BOT-BC376221  Pectocarya pusilla Greg de Nevers 1992-4-28 10120 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Hendley Flat 457 Comment
  JEPS77252  Pedicularis densiflora Robert M. Lloyd 1963-4-24 2391 Sonoma 12.6 mi from State Hwy 12 on road to Oakdale 457 Comment
  CAS-BOT-BC207022  Pelargonium vitifolium Catherine Best 1984-5-13 950 Sonoma On the edge of Hwy 1 about .5 mi north of Fort Ross. Comment
  CAS-BOT-BC71483  Pellaea mucronata Walter Knight; Irja Knight 1964-1-17 519 Sonoma Hooker Canyon, Cavedale Rd. Comment
  UCD158871  Pellaea mucronata James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2913 Sonoma Mayacmas Mountains; unnamed creek east of Truit Creek, ca 2 miles west of The Geysers. (Elevation estimated by label maker using Google Earth.) 457 Comment
  UC399539  Pellaea mucronata var. mucronata Michener and Bioletti 1892-12-24 Sonoma Comment
  JEPS83484  Penstemon newberryi var. sonomensis Jack and Betty Guggolz 1986-5-27 876 Sonoma just to the nw lookout on Mt. St. Helena; nw of the lookout on Mt. St. Helena Comment
  SEINET12341670  Pentagramma triangularis F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -60 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  SEINET4555669 Image available Pentagramma triangularis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15053 Sonoma 2 miles north of Geyserville. Comment
  CAS-BOT-BC71732  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-10 1201 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  SEINET8465052 Image available Pentagramma triangularis subsp. triangularis G. K. Helmkamp, E. A. Helmkamp 2010-6-5 16241 Sonoma North Coast Ranges: River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guemeville on slope above the Russian River 12 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
  RSA97466  Perideridia kelloggii F. W. Peirson 1925-8-8 6343 Sonoma 5 miles south of Santa Rosa Comment
  CAS-BOT-BC413644  Persicaria amphibia Peter Rubtzoff 1971-9-1 6674 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413648  Persicaria amphibia Peter Rubtzoff 1955-9-9 2116 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC413637  Persicaria amphibia Peter Rubtzoff 1971-6-25 6554 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413657  Persicaria amphibia Peter Rubtzoff 1963-7-6 5197 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. crossing Comment
  CAS-BOT-BC258014  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC418909  Persicaria hydropiperoides Peter Rubtzoff 1958-8-31 3954 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418893  Persicaria hydropiperoides John Thomas Howell 1946-8-17 22856 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC418925  Persicaria hydropiperoides Peter Rubtzoff 1958-8-17 3888 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC419114  Persicaria lapathifolia Peter Rubtzoff 1968-9-21 5979 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC419118  Persicaria lapathifolia Peter Rubtzoff 1953-11-1 1439 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC419270  Persicaria maculosa Peter Rubtzoff 1969-8-29 6171 Sonoma Beach of Salmon Creek ca. 1/2 mi. upstream from Hwy. #1 Comment
  RSA790299  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  POM299082  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  UC923118  Phacelia californica Freed W. Hoffman 1950-6-1 3324 Sonoma Kruz Ranch North Coast Ranges (on coast) Comment
  UCD120296  Phacelia californica Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1808 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Meadow trail appx. 1/2 mi from trailhead. 396 Comment
  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
  UC126049  Phacelia distans Katharine Brandegee July 1905 Sonoma Bodega Head Comment
  JEPS83658  Phacelia egena R. Raiche 1987-5-20 70193 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, creek branch referred to locally as Azealea Creak. 280 Comment
  UC735109  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3051 Sonoma near Petrified Forest 60 Comment
  SEINET12335289  Phacelia imbricata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -248 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC1132415  Phalaris angusta H. S. Yates 1936-5-16 5617 Sonoma near Green Valley School; Sebastopol Quad. Comment
  UCD166121  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC265843  Phalaris arundinacea Peter Rubtzoff 1962-5-25 4832 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Crossing. Comment
  CAS-BOT-BC265913  Phalaris lemmonii David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  UC933815  Phalaris minor Leo Koch 1940-4-24 852 Sonoma at Cuttings Wharf near Petaluma; near Petaluma Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  CDA22385  Phoradendron macrophyllum C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma W. P. Tischer property, 1270 Gravenstein Highway North, ca. 1 mile north of Sebastopol. 0 Comment
  CDA14899  Phoradendron macrophyllum G. D. Barbe 1968-1-1 860 Sonoma Residence south of Occidental Road, 1.5 miles north of Sebastopol. 0 Comment
  UC1977004  Phyllospadix scouleri H. W. Johansen 1963-5-26 1153 Sonoma Bodega Head. S. Shsore, Horseshoe C. Comment
  CAS-BOT-BC140622  Physocarpus capitatus Peter Rubtzoff 1953-5-16 1355 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UC466693  Physocarpus capitatus W. P. Taylor 1913-6-23 Sonoma 7 W.[?] Cazadero (along creek at Niestrth's[?]) 304 Comment
  UCD161670  Pickeringia montana James A. Neilson Jr. 1975-1-24 3133 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  SEINET11738931  Pinus attenuata W. Knight, Knight, I. 1981-1 3981 Sonoma 5.2 mi up Cavedale road from jct of state route #12 Comment
  UCD134776  Pinus muricata Cathy Hendel 1974-7-25 s.n. Sonoma Sea Ranch, Unit 35-A owner's map, near State Highway 1. Comment
  SEINET5334779  Pinus radiata L. Fallon 1939-1-6 s.n. Sonoma 7 mi. N of Santa Rosa Comment
  UCD133336  Pinus sabiniana Frederica Bowcutt 1994-6-25 1916 Sonoma 609 Comment
  JEPS128341  Piperia elongata Roger Raiche 2010-7-17 037 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128302  Piperia transversa Roger Raiche 2010-7-11 035 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC72232  Piperia transversa Milo S. Baker 1904-6-20 Sonoma near Maple Glen Comment
  UC1044488  Pityopus californicus Mary L. Bowerman 1954-6-27 4334 Sonoma old mill site ca 3 mi e Fort Ross Comment
  UCR244739  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 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
  CAS-BOT-BC157649  Plagiobothrys Peter Rubtzoff 1971-5-8 6430 Sonoma E foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive. Comment
  CAS-BOT-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UC424773  Plagiobothrys bracteatus Milo S. Baker 1929-4-27 3586 Sonoma near Wright School Comment
  UCD150129  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  UCR279863  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6217 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  UCR280136  Plagiobothrys bracteatus Peter Rubtzoff 1971-5-8 6443 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  UC353902  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2143 a Sonoma dry vernal pool along road near summit; Bennett Val. Road Comment
  UCD33795  Plagiobothrys collinus var. californicus Beecher Crampton 1973-5-5 8927 Sonoma Sonoma County, Sonoma Coast State Park at Carmet. Comment
  UCD84275  Plagiobothrys greenei Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS117070  Plagiobothrys greenei Peter Warner 2010-3-30 128 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UC78077  Plagiobothrys nothofulvus K. Brandegee May 1889 Sonoma Cloverdale Comment
  RSA785157  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  CAS-BOT-BC228494  Plagiobothrys strictus Rimo Bacigalupi 1926-3-27 1248 Sonoma Opposite Myrtledale Geyser 1 1/2 miles N of Calistoga Comment
  UCR279881  Plagiobothrys undulatus Peter Rubtzoff 1971-7-23 6618 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  RSA783738  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC376290  Plantago Greg de Nevers 1992-6-16 10172 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 304 Comment
  CAS-BOT-BC293683  Plantago Peter Rubtzoff 1958-8-31 3952 Sonoma Atascadero Creek Marsh. Comment
  SDSU1027  Plantago erecta D. F. Howe 1972-5-3 4819 Sonoma 4 miles north of Fort Ross. Comment
  SEINET6990031  Plantago erecta A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area, 1 mile east of Occidental. Comment
  UCD124486  Plantago erecta Robert F. Thorne 1965-4-20 34342 Sonoma top of Parker Hill (north end of Parker Hill Road), ca. 3 miles north of Santa Rosa. 152 Comment
  UCD124501  Plantago erecta Collector Unknown Date Unknown s.n. Sonoma Exact location unknown. Comment
  UCSB50227  Plantago subnuda Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6N RllW 15 Comment
  CAS-BOT-BC92123  Platystemon californicus Walter Knight; Irja Knight 1963-8-13 178 Sonoma Horseshoe Cove. Comment
  CAS-BOT-BC92125  Platystemon californicus Peter H. Raven 1955-3-20 8242 Sonoma One mile west of Schelville. Comment
  UC725594  Plectritis brachystemon A. A. Heller 1938-5-14 15088 Sonoma just e of Bodega Bay (at Fort Ross); Fort Ross Comment
  UC766307  Plectritis brachystemon R. F. Hoover 1941-5-14 5082 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  UC416756  Plectritis ciliosa subsp. ciliosa Milo S. Baker 1898-3-26 691 Sonoma Hills near McDonald's Reservoir Comment
  SEINET780339  Plectritis samolifolia J. Ewan 1935-5-13 9262 Sonoma Wright School on Sebastopol Road. Comment
  CAS-BOT-BC173803  Pleuropogon Peter Rubtzoff 1966-4-30 5697 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  SBBG34041  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UCD150838  Pleuropogon californicus 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
  UCD90157  Pleuropogon californicus G. F. Hrusa 1996-3-29 12739 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approximately 2 m. NW of Calistoga. 110 Comment
  UCD90174  Pleuropogon californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa. 1/2 mile east of Cunningham. 15 Comment
  CDA32629  Pleuropogon californicus J. Sallee 1971-4-28 Sonoma Railroad tracks, 8th Street East, Sonoma 0 Comment
  CAS-BOT-BC260973  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-5-10 3648 Sonoma Laguna de Santa Rosa north of Cunningham near Todd Road Comment
  CAS-BOT-BC260980  Pleuropogon californicus var. californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  RSA176931  Pleuropogon californicus var. californicus P. H. Raven 1963-4-28 18252 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  RSA73965  Pleuropogon californicus var. californicus Milo S. Baker 1952-4-20 12402 Sonoma Western outskirts of Sonoma, along 5th street. Comment
  UCD90135  Pleuropogon californicus var. californicus Beecher Crampton 1956-3-12 3220 Sonoma Alexander Valley Store. Comment
  UCD90182  Pleuropogon californicus var. californicus R. Tofsrud 1942-4-1 s.n. Sonoma 1/2 mile north of Lewis School, Santa Rosa. Comment
  UCD90203  Pleuropogon californicus var. californicus A. A. Beetle 1946-5-6 4263 Sonoma 1/2 mile south of Cotati. Comment
  UCSB63833  Pleuropogon davyi James D. Jokerst 1993-5-13 3979 Sonoma collected the Sonoma Air Center Sonoma Air Center Comment
  UCR275262  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  UCD92209  Poa Collector Unknown 1942-4-1 377 Sonoma bank of Mark West Creek, about 3 miles east of Springs on the main road. Comment
  UCD90366  Poa annua Gerry North 1993-4 4 Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At Goodspeed trailhead pullout. 213 Comment
  CAS-BOT-BC255851  Poa kelloggii P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar Comment
  CAS-BOT-BC256035  Poa pratensis Peter Rubtzoff 1958-5-10 3641 Sonoma Laguna de Santa Rosa east of Cunningmham near Llamo Road Comment
  POM204983  Poa secunda A. A. Heller 1902-4-9 5249 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC243246  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 53950 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  JEPS71284  Poa secunda subsp. secunda Virginia Bufford Jun 1932 572 Sonoma near Santa Rosa Comment
  UC1132752  Poa secunda subsp. secunda H. S. Yates 1934-4-21 Sonoma near Bodego; Sebastopol Quadrangle Comment
  UCD90897  Poa secunda subsp. secunda B. A. Etcheverry 1928-4-22 s.n. Sonoma Wilbur Springs. Comment
  UC573867  Poa unilateralis H. S. Yates 1934-4-3 3796 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UCD92147  Poa unilateralis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC311827  Poaceae Peter Rubtzoff 1972-7-22 6833 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC376367  Poaceae Greg de Nevers 1992-6-26 10193 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 400 Comment
  RSA0062829  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. 100 Comment
  CDA41540  Pogogyne douglasii G. F. Hrusa, A. Buckmann 1996-10-5 13586 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. 2 mi. SW of Calistoga. Comment
  CAS-BOT-BC368094  Pogogyne serpylloides Greg de Nevers 1998-5-5 11228 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  RSA144915  Polygala californica Roxana S. Ferris, Laura Lorraine 1961-6-15 13553 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  UCD109701  Polygala californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13553 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road. Comment
  UCD109702  Polygala californica E. Frost 1996-5-26 20 Sonoma Mt. St. Helena, 150 yards in along hiking trail. 609 Comment
  SEINET5501531 Image available Polygala californica Sally Walker 1981-5-13 s.n. Sonoma 2 mi E of Occidental Comment
  CAS-BOT-BC110537  Polygonum Peter Rubtzoff 1987-9-27 9854 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  RSA0018588  Polygonum Peter Rubtzoff 1966-8-25 5802 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  POM161244  Polygonum amphibium var. stipulaceum R. C. Bacigalupi 1958-6-18 s.n. Sonoma Beach at mouth of Salmon Creek, 2 miles N of Godega Bay Comment
  CAS-BOT-BC414115  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1958-8-9 3828 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC414317  Polygonum aviculare subsp. neglectum Peter Rubtzoff 1959-6-20 4161 Sonoma Willow Creek Marsh Comment
  UCD99862  Polygonum bolanderi G. F. Hrusa; T. D. Wilfred 1995-12-3 12487 Sonoma At summit of Chalk Mtn. on the W face. Foote Ranch property, NW base of Mt. St. Helena, immediately N of Ida Clayton Rd. 110 Comment
  JEPS128319  Polygonum douglasii Roger Raiche 2000-6-2 128 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC109250  Polygonum paronychia Catherine Best 1981-5-2 s.n. Sonoma South side of the mouth of the Russian River. Comment
  SEINET11720935  Polypodium californicum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -64 Sonoma Glen Ellen area, junction Warm Springs Road & Sonoma Mt. Road along Graham Creek Comment
  CAS-BOT-BC72011  Polypodium californicum A. A. Heller 1902-5-23 5030 Sonoma Sonoma Creek at the foot of Mt. Hood Comment
  HSC34928  Polypodium glycyrrhiza Thomas W. Nelson, James Nelson 1975-3-25 1762 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  UC42912  Polypodium scouleri F. T. Bioletti 1892-7-6 Sonoma Gualala River Comment
  CAS-BOT-BC361407  Polypogon Greg de Nevers 1997-5-23 11006 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. In Three Hill vernal pool 457 Comment
  CAS-BOT-BC232998  Polypogon australis Peter Rubtzoff 1961-9-20 4754 Sonoma Willow Creek Marsh Comment
  RSA94463  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC233192  Polypogon interruptus Peter Rubtzoff 1958-7-26 3802 Sonoma Laguna de Santa Rosa, E of Sebastopol Comment
  CAS-BOT-BC237405  Polypogon monspeliensis Peter Rubtzoff 1960-10-29 4574 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC237416  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Near Sonoma Comment
  UC50643  Polypogon monspeliensis Jos. Burtt Davy 1896-7-21 Sonoma Russian River below Guerneville; Russian River Comment
  UCD91325  Polypogon monspeliensis Hursh 1919-5-12 X 3252 Sonoma Santa Rosa. Comment
  CAS-BOT-BC72170  Polystichum californicum D. E. Breedlove 1983-5-4 58704 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1784893  Polystichum californicum Wendy Born Jun 2003 Sonoma Hood Mountain Regional Park Comment
  HSC86326  Polystichum californicum R. W. Becking 1984-3-9 Sonoma Cloverdale, Hwy. 128 W 2 mi. from Hwy. 101 intersection, Alderglen Springs Comment
  SEINET11719542  Polystichum dudleyi F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -236 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC72481  Polystichum munitum J. W. Congdon 1892-5-31 s.n. Sonoma Cazadero Comment
  SBBG298  Polystichum munitum H. and M. Dearing 1939-5-15 3386 Sonoma N of Fort Ross Comment
  POM120959  Polystichum munitum Marcus E. Jones 1902-7-18 s.n. Sonoma Duncans Mills 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
  UCR255055  Potamogeton Greg de Nevers 1992-8-16 10246 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  RSA800842  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma SPring Creek Reservoir area, east of Santa Rosa Comment
  UCD164983  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC272848  Potamogeton nodosus Peter Rubtzoff 1974-6-22 7619 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC453900  Potamogeton nodosus D. E. Breedlove 1980-6-27 44737 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA800840  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  RSA800841  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  UCD165236  Potamogeton nodosus Peter Rubtzoff 1974-6-22 7619 Sonoma Bennett Mountain Lake. Comment
  RSA800893  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  SD39940  Potentilla anserina Edith A. Purer 1932-7-24 4071 Sonoma Near Bodega Bay, established dunes Comment
  CAS-BOT-BC141954  Potentilla anserina subsp. pacifica Peter Rubtzoff 1955-8-20 2066 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141961  Potentilla anserina subsp. pacifica Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  UC555629  Potentilla anserina subsp. pacifica H. L. Mason June 1930 5646 Sonoma mouth of the Gualala River Comment
  UCD113695  Potentilla anserina subsp. pacifica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 097 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC141947  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  CAS-BOT-BC141958  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-7-26 1556 Sonoma Coleman Marsh - Sonoma County Marshes Comment
  SD37703  Potentilla norvegica Edith A. Purer 1932-7-24 4068 Sonoma Roadside from Bodega Bay to Santa Rosa-canon Comment
  CAS-BOT-BC26647  Potentilla uliginosa Milo S. Baker 1947-6-26 11831 Sonoma Cunningham Marsh ca 1 mi southwest of Cunningham Station Comment
  UC963929 Image available Potentilla uliginosa Milo S. Baker 1947-6-26 11831 Sonoma ca 1 mi (airline) sw Cunningham Sta.; North Bay Counties, Cunningham Marsh Comment
Read comments
Oct 28 2010
  CAS-BOT-BC516395  Prosartes hookeri A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  UCD125268  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  UCR90890  Prunella vulgaris Kathy Harper, Dane Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
  SBBG12370  Prunella vulgaris A. I. Richardson 1961-6-17 23 Sonoma near Timber Cove, N of Ft Ross Comment
  JEPS23732  Prunella vulgaris var. lanceolata Hilda W. Grinnell 1933-7-21 Sonoma Bodega Bay Comment
  UC25626  Prunella vulgaris var. lanceolata Harley P. Chandler 1900-5-25 699 Sonoma Bodega Bay Comment
  CDA40756  Prunella vulgaris var. lanceolata T. C. Fuller 1958-5-24 4001 Sonoma Vinehill District. 0 Comment
  UC449934  Prunella vulgaris var. lanceolata Franklin P. Nutting Sonoma Taylor Creek Comment
  CAS-BOT-BC159902  Prunus emarginata T. E. Rawlins 1942-9-1 s.n. Sonoma Fort Ross Comment
  RSA0060111  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In canyon west of Phillip's Garden. 100 Comment
  CAS-BOT-BC368069  Prunus virginiana var. demissa Greg de Nevers 1998-6-2 11267 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road at Bordjeiffs. 400 Comment
  CDA37440  Pseudognaphalium beneolens D. G. Kelch, Troy McGregor 2010-8-22 10 .336 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC356922  Pseudognaphalium californicum Peter Rubtzoff 1951-8-25 670 Sonoma Hills southeast of Guerneville Comment
  SBBG8250  Pseudognaphalium stramineum H. and M. Dearing 1939-5-14 3356 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC361622  Pseudognaphalium stramineum Volney Rattan No date on label s.n. Sonoma Guerneville Comment
  OBI21026  Pseudotsuga menziesii Dave Morse 1972-7-29 1 Sonoma 1 mi NE of Cloverdale on Hwy 128 91 Comment
  JEPS46756  Pseudotsuga menziesii var. menziesii W. L. Jepson 1931-7-19 15955 Sonoma Watson School near Bodega Comment
  OBI35892  Pseudotsuga menziesii var. menziesii David J. Keil 1983-6-29 17207 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  UCD37502  Pseudotsuga menziesii var. menziesii Beecher Crampton 1960-10-10 5789 Sonoma 5 miles northwest of Calistoga, Franz Valley, along Highway 128. Comment
  UCD135120  Pseudotsuga menziesii var. menziesii Mary M. Hektner 1974-7-10 143 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC361729  Psilocarphus brevissimus var. brevissimus J. W. Congdon 1880-5-24 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC362079  Psilocarphus tenellus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53942 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD133718  Psilocarphus tenellus var. tenellus Frederica Bowcutt 1996-5-21 2142 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, campfire center, N of Somoma Creek about 40 meters. 365 Comment
  SEINET4207978  Psoralea physodes J. O. Sawyer 1977-6-5 2880 Sonoma Canyon Road about 1/2 mile west of US 101 across from Pendrocelli Winery.; 0 Comment
  CAS-BOT-BC157682  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  UCD165172  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC72688  Pteridium aquilinum John H. Thomas 1976-6-16 18290 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  HSC1158  Pteridium aquilinum var. pubescens F. Demostene 1966-4-1 7 Sonoma 2 mi. E of Healdsburg Comment
  UC125360  Pterostegia drymarioides Katharine Brandegee June 1905 Sonoma Bodega Comment
  UC1751199  Pyrola picta Katharine Brandegee 1910-5-18 Sonoma Mount St. Helena Comment
  UCD45322  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.: Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham. Comment
  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-BC94706  Quercus X howellii G. De Nevers 1981-9-5 1825 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CDA11972  Quercus berberidifolia G. F. Hrusa, J. Pfeiffer 1995-9-23 12464 Sonoma North Coast Biodiversity Arena; Lower elevations below Cavedale Edaphic Island, on Cavedale Rd. Approx. 2.7 m. E of Hwy. 12. Comment
  UCD45376  Quercus chrysolepis M. Wiesendanger 1927-5-5 730 Sonoma Maul Oak. Canyon Oak. Kenwood Springs. Comment
  SEINET12028625  Quercus chrysolepis W. Knight, Knight, I. 1981-1 3985 Sonoma 4.2 mi up Cavedale Rd from jct of State Rt-12 Comment
  CAS-BOT-BC86007  Quercus douglasii D. E. Breedlove 1980-6-27 44756 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC79567  Quercus dumosa Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5141 Sonoma Pine Flat Road 335 Comment
  CAS-BOT-BC94153  Quercus durata D. E. Breedlove 1962-6-6 2904 Sonoma on State Highway 128, 4.0 miles NW of U.S. Highway 101 at Cloverdale 289 Comment
  RSA477129  Quercus durata Christopher Davidson 1977-6-20 6012 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  UCD45949  Quercus durata var. durata A. R. Kruckeberg 1947-5-4 1437 Sonoma On first serpentine outcrop on Ida Clayton Road (from Kellogg to Middletown) from Knights Valley, in Sonoma (?) County, California. Comment
  CAS-BOT-BC94668  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 Comment
  UCD46116  Quercus garryana var. garryana Jennifer Bury; Peggy Herzog 1993-5-8 278 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, along Lower Bald Mountain Trail. In meadow, 100 feet above parking lot. 402 Comment
  HSC8257  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 mi N of Sonoma 274 Comment
  UC1042508  Quercus kelloggii Peter Rubtzoff 1951-8-18 635 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  UCD46674  Quercus kelloggii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 73 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Beginning of Hillside Trail. 381 Comment
  CAS-BOT-BC134866  Quercus wislizeni Steven Barnhart 1994-6-5 s.n. Sonoma Salt Point State Park E of Highway 1, near junction of fire road up to the meadow and the rail to the Pygmy Forest Comment
  CAS-BOT-BC368085  Ranunculus aquatilis var. aquatilis Greg de Nevers 1998-4-28 11213 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Westernmost Double Ponds 400 Comment
  RSA0057955  Ranunculus aquatilis var. hispidulus Greg de Nevers 1998-4-28 11213 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Westernmost Double Ponds. 100 Comment
  UC9377  Ranunculus aquatilis var. hispidulus Alice King April, 1897 Sonoma Healdsburg Comment
  RSA135409  Ranunculus aquatilis var. hispidulus Volney Rattan 1884-6-10 s.n. Sonoma Box Springs Comment
  POM268394  Ranunculus californicus Lyman Benson 1935-3-31 6405 Sonoma Hwy 101, N Coast, Russian River. 244 Comment
  RSA634963  Ranunculus californicus Michael A. Vincent, Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, Bodega Bay Marine Reserve, off Bodega Road, Bodega Head Comment
  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-BC378683  Ranunculus californicus var. californicus G. H. Mallory 1920-3-29 s.n. Sonoma east end of Sonoma Ave Comment
  CAS-BOT-BC83409  Ranunculus lobbii Peter Rubtzoff 1972-3-31 6721 Sonoma Todd Road 1.4 mile from Highway 116 and 0.6 mile from Llano Road. Comment
  CDA11315  Ranunculus lobbii G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12030 Sonoma North Coast Biodiversity Arena; Laguna de Santa Rosa. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Comment
  POM269266  Ranunculus muricatus H. L. Mason 1928-4-7 4275 Sonoma Jenner, mouth of Russian River Comment
  UCD67951  Ranunculus muricatus Wesley Ebert 1977-4-9 2 Sonoma Crane Creek, downstream from Pressley Rd. Growing in low spot of short, grazed grassland. Clayey soil. Bright sunshine. Yellow flowers. 106 Comment
  UCD151167  Ranunculus occidentalis var. occidentalis James A. Neilson Jr. 1974-3-27 3012 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  RSA534706  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1959-5-31 4084 Sonoma Freestone Marsh Comment
  JEPS18121  Ranunculus pusillus Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5677 Sonoma above Canyon of Big Austin Creek (4 mi n of Cazadero, above Arroyo Gun Club); Onion Pond 154 Comment
  UC118200  Ranunculus pusillus Mich. and Bioletti 1892-5-1 Sonoma Shellville Comment
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Jul 22 2010
  UCD135429  Rhagadiolus stellatus Caitlin Lewis; William Mutch 1993-4-17 25 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  UC570986  Rhamnus californica subsp. californica Herbert L. Mason 1928-4-8 4293 Sonoma 2 mi n Fort Ross Comment
  CAS-BOT-BC56662  Rhododendron occidentale Greg de Nevers 1996-5-31 10822 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. on Oak Hill Ranch 487 Comment
  UC634736  Rhododendron occidentale H. L. Mason 1934-4-28 8066 Sonoma Head of Dohrman Creek, Jensen's Ranch Dohrman Creek; , Jensen's Ranch Comment
  CAS-BOT-BC200349  Rhododendron occidentale var. occidentale Mary P. Wells 1984-8-8 433 B Sonoma Deer Trail Road north of present end. The Sea Ranch Comment
  CAS-BOT-BC200336  Rhododendron occidentale var. occidentale Walter Knight; Irja Knight 1964-2-27 557 Sonoma Ca. 2 mi. S. Gualala on hiway #1 Comment
  CAS-BOT-BC111865  Rhynchospora alba Herbert L. Mason 1946-7-4 12880 Sonoma Pitkin Marsh; between Santa Rosa and Forestville. Comment
  CAS-BOT-BC111874  Rhynchospora alba John Thomas Howell; Milo S. Baker; Hans Leschke 1945-7-18 21325 Sonoma Pitkin Marsh Comment
  UC1042503  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 325 Sonoma lower part Upper Marsh (near Forestville); Pitkin Marsh Comment
  RSA94280  Rhynchospora globularis var. recognita Peter Rubtzoff 1951-7-28 562 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CAS-BOT-BC93053  Ribes californicum var. californicum A. A. Heller; H. E. Brown 1902-3-21 5113 Sonoma Hills southeast of Santa Rosa. Comment
  CAS-BOT-BC93055  Ribes californicum var. californicum A. A. Heller 1903-4-24 6613 Sonoma Woods near Cazadero. Comment
  HSC100099  Ribes californicum var. californicum J. P. Smith, & J. O. Sawyer 2010-4-26 12718 Sonoma 211 Comment
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Nov 24 2014
  CAS-BOT-BC212920  Ribes menziesii Arthur Menzies 1963-2-17 s.n. Sonoma 2 miles south of Seaview, East of Fort Ross Comment
  UC75436  Ribes menziesii Milo S. Baker 1898-4-3 24 Sonoma between Forestville and Guerneville Comment
  CAS-BOT-BC198925  Ribes roezlii var. cruentum Amy Heggie 1943-3-7 s.n. Sonoma Near Agua Caliente. Comment
  RSA0024576  Ribes roezlii var. cruentum R. C. Bacigalupi 1926-3-28 1268 Sonoma Patton s Toll House along old road. Mt. St. Helena. Comment
  SBBG50761  Ribes sanguineum R. F. Denno 1967-3-23 12 Sonoma Hwy 1, 4 mi S of Fort Ross Comment
  UC35868  Rigiopappus leptocladus F. T. Bioletti 1893-5-27 Sonoma Hood's Peak Comment
  UC1069441  Romanzoffia californica E. Armstrong 1934-3-26 915 Sonoma 2 mi. n.w. Camp Meeker; Sebastopol Quad. 91 Comment
  CAS-BOT-BC74717  Rorippa curvisiliqua Greg de Nevers 1992-6-16 10168 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  JEPS50697  Rorippa curvisiliqua William Hirano 1967-5-26 Sonoma Bodega Bay Comment
  CAS-BOT-BC152663  Rosa californica Peter Rubtzoff 1958-7-5 3730 Sonoma Atascadero Creek marsh Comment
  UC467687  Rosa californica Milo S. Baker 1898-6-1 595 Sonoma Santa Rosa Cemetery Comment
  CAS-BOT-BC146775  Rosa gymnocarpa G. DeNevers 1982-5-18 2034 Sonoma Near Redwoods end at the Redwoods Comment
  UCD151160  Rosa pisocarpa James A. Neilson Jr. 1973-6-6 3116 Sonoma Mayacmas Mountains. The Geysers. Wooded area near watercourse 1 mile west of Geyser Canyon. (Elevation estimated using Google Earth by label maker.) 609 Comment
  CAS-BOT-BC148195  Rosa rubiginosa Lewis S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  RSA63654  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma W slope of Hood Mt, burned chaparral, at top of Rose Butte. 244 Comment
  CAS-BOT-BC251215  Rosaceae Peter Rubtzoff 1958-4-26 3588 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC262811  Rubus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  UCR279643  Rubus Peter Rubtzoff 1964-5-20 5306 Sonoma Bodega Bay Marsh 15 Comment
  CAS-BOT-BC147993  Rubus leucodermis Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  UCD17810  Rubus ursinus H. Olmo 8-10 May 1962 62 04 Sonoma California. Sonoma County: 1.4 miles from Bridgehaven Restaurant turnoff, heading north. Comment
  CAS-BOT-BC157172  Rubus ursinus Alice S. M. McKenzie 1981-2-12 15 A Sonoma Calif. State Hwy. 1, marker 44.55 Comment
  CAS-BOT-BC164081  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  CAS-BOT-BC173544  Rumex Peter Rubtzoff 1964-6-24 5387 Sonoma Coleman Marsh. Salmon Creek. Comment
  UCR255649  Rumex Greg de Nevers 1997-9-22 11088 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC164402  Rumex Peter Rubtzoff 1959-6-20 4169 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC173548  Rumex Peter Rubtzoff 1964-7-29 5444 Sonoma Brooks Gulch Marsh. Comment
  RSA790985  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  UCD101051  Rumex acetosella Caitlin Lewis; William Mutch 1993-4-17 10 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC421853  Rumex conglomeratus A. A. Heller 1902-6-7 5660 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD101139  Rumex crispus Mary M. Hektner; Cathy Hendel 1974-7-25 178 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC433410  Rumex crispus Mary P. Wells 1984-5-30 317 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  RSA783836  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC433696  Rumex obtusifolius Peter Rubtzoff 1987-7-18 9800 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road. Comment
  UCD148412  Rumex obtusifolius Peter Rubtzoff 1959-6-20 4167 Sonoma Willow Creek Marsh. Comment
  RSA0051272  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCD81428  Rumex pulcher M. Wiesendanger 1927-5-5 s.n. Sonoma Sonoma. Comment
  SEINET7042613  Rupertia physodes A. G. Vestal 1947-5-16 s.n. Sonoma 8.1 miles east of Winsor.Mark West Springs quadrangle UTM Zone 10, 531876mE, 4267566mN. Comment
  UCD108457  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  CAS-BOT-BC239853  Rytidosperma penicillatum J. C. Roos 1957-7-2 6651 Sonoma Miller Ridge Comment
  UCD55250  Rytidosperma penicillatum Beecher Crampton 1957-7-22 4392 Sonoma along State Hwy. 1, 11.7 miles south Stewart's Point. Comment
  UCD92342  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, coastal meadow behind community center on west side of Hwy 1 north of town. Comment
  CAS-BOT-BC320532  Sagina Peter Rubtzoff; Nancy Harrison 1978-6-11 9214 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  CAS-BOT-BC445686  Sagittaria cuneata W. W. Carruth 1901-6-1 s.n. Sonoma Laguna near Fulton Comment
  CAS-BOT-BC445773  Sagittaria latifolia Peter Rubtzoff 1951-9-2 725 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC445780  Sagittaria latifolia John Thomas Howell 1946-8-17 22879 Sonoma The Laguna just east of Sebastopol Comment
  CAS-BOT-BC290712  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh. Comment
  RSA0015566  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC135956  Salix alba subsp. vitellina Mary P. Wells 1988-4-16 930 Sonoma Corner of Adobe Rd. & Stage Gulch Rd. Comment
  CAS-BOT-BC107755  Salix hindsiana G. De Nevers 1981-3-14 535 Sonoma Pepperwood Ranch - Pippindale farm, 7 mi. NE of Santa Rosa near Mark West Lodge. Leslie Creek, 100 m upstream from the junction. Comment
  HSC19976  Salix laevigata P. J. Zinke 1950-4-25 119 Sonoma Russian River at Cloverdale 152 Comment
  RSA155474  Salix laevigata L. S. Rose 1962-4-18 62022 Sonoma 1 mile NW of Freestone. 76 Comment
  UC5014  Salix laevigata H. N. Bolander 1867-6-6 6586 Sonoma Cloverdale Russian River Valley, Cloverdale Comment
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Jun 5 2007
  UC453095  Salix lasiandra subsp. lasiandra W. A. Setchell 1925-7-25 14 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC66156  Salix lasiandra subsp. lasiandra A. A. Heller 1902-3-28 5174 Sonoma Santa Rosa Creek e. of Santa Rosa Comment
  CAS-BOT-BC128052  Salix lasiandra var. lasiandra Peter Rubtzoff 1953-5-16 1359 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  CAS-BOT-BC128099  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma Pitkin Marsh, near Forestville, opening south of the Upper Marsh Comment
  CAS-BOT-BC107091  Salix lasiolepis Greg de Nevers 1990-5-1 9663 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC107256  Salix lasiolepis Greg de Nevers 1990-5-1 9663 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  UC453103  Salix lasiolepis W. A. Setchell 1931-7-31 19 Sonoma Bodega Bay Comment
  UC482062  Salix lasiolepis Baker, Ball, Bracelin, and Crum 1931-5-9 345 Sonoma about 2 km e Bodega Bay (creek bed) Comment
  UC505692  Salix lasiolepis C. R. and B. S. Ball 1933-5-6 2501 Sonoma 4 mi. s.w. Calistoga (on rd. to Petrified Forest, just over Napa Co. line) Comment
  UC511361  Salix lasiolepis Lyman Benson 1930-3-20 1954 Sonoma 4 mi. n. of Santa Rosa; San Francisco Bay watershed, Mayacamas Mt. Range 152 Comment
  UC517939  Salix lasiolepis W. A. Setchell 1934-3-17 Sonoma Monte Rio; right-hand side of road entering Bohemian Grove Comment
  UC524779  Salix lasiolepis W. A. Setchell 1934-7-10 1 Sonoma Coast Hwy 1-2 ni s Fort Ross 76 Comment
  UCD111655  Salix lasiolepis Peter Rubtzoff 1951-8-19 646 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC107350  Salix lasiolepis var. bigelovii Peter Rubtzoff; T. J. Crovello 1964-9-3 5495 Sonoma Bodega Bay Marsh Comment
  RSA534505  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC128250  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of Upper Marsh in and open damp area - Pitkind Marsh, near Forestville Comment
  RSA534499  Salix lucida subsp. lasiandra Peter Rubtzoff 1955-8-20 2059 Sonoma Bodega Harbor Marsh. Comment
  POM219076  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove. Near Monte Rio. Bed of Russian River. Comment
  CAS-BOT-BC126199  Salix scouleriana Peter Rubtzoff 1951-8-18 627 Sonoma Western branch of the Upper Marsh Comment
  SBBG57976  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental, on Occidental grade Comment
  UC424814  Salix scouleriana Milo S. Baker 1930-2-28 3882 a Sonoma w. of Occidental (along grade to Coleman Valley and along hwy. w. of Occidental down grade toward Graton) Comment
  CAS-BOT-BC128904  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128908  Salix sitchensis Mary P. Wells 1982-8-21 120 Sonoma North end of South Gerstle Cove, Salt Point State Park Comment
  RSA534487  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh. Comment
  RSA5626  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SD892  Salix sitchensis Carleton R. Ball, Bracelin, Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km northwest of Calistoga Comment
  UC482106  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC726375  Salix sitchensis A. A. Heller 1900-3-12 5044 Sonoma e. flank Mt. Hood (Sonoma Creek); , Sonoma Creek Comment
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May 1 2014
  UCD161270  Salvia columbariae James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3699 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC225213  Salvia sonomensis A. A. Heller; H. E. Brown 1902-3-31 5193 Sonoma Mt. Hood Comment
  JEPS57130  Salvia sonomensis L. R. Heckard 1967-5-7 1594 Sonoma w of summit of Hood Peak 792 Comment
  UCSB15938  Sambucus nigra subsp. caerulea 1962-6-6 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  CDA3952  Sanguisorba minor subsp. muricata T. C. Fuller 1965-11-9 14270 Sonoma Redwood Highway 101, 5 miles north of Healdsburg. 0 Comment
  CHSC60066  Sanicula arctopoides E. L. Knight 1988-4-1 3 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UC1073295  Sanicula arctopoides George B. Rossbach 1955-3-19 376 Sonoma northern and highest hill on Bodega Head Bodega Head 81 Comment
  CAS-BOT-BC223347  Sanicula bipinnatifida G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa 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
  SEINET13945169 Image available Sanicula crassicaulis C. Ritchie Bell 1952-1 3 X-334 Sonoma On hills between Santa Rosa and Calistoga Comment
  UC1022552  Sanicula laciniata C. Ritchie Bell 1951-2-19 3 -103 Sonoma e of Glen Ellen (by California Highway 12) Comment
  UC875544  Sanicula tuberosa Alice Eastwood 1918-5-1 6809 Sonoma Mount St. Helena Comment
  CAS-BOT-BC328134  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  RSA94301  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Dry, open ground bordering the upper marsh in the W. Comment
  UCD166486  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC436873  Saxifraga Alice Eastwood 1917-5-13 n.s. Sonoma Between Bodega and the bay Comment
  RSA17703  Saxifraga californica Elmer I. Applegate 1934-3-25 8843 Sonoma Sausal Creek on road to Pine Flat. W slope of Mayacama Mountains. Comment
  UC11766  Saxifraga californica J. Burtt Davy 1896-3-14 1663 Sonoma Cazadero Comment
  UC338957  Saxifraga californica Hy. Edwards April 1877 202 Sonoma Skaggs Spring Comment
  POM142248  Saxifraga mertensiana Jos. Burtt Davy 1896-3-14 1667 Sonoma [Unspecified] Comment
  UC73121  Saxifraga mertensiana Milo S. Baker 1898-4-6 762 Sonoma near Nobles (Gualala River); Gualala River Comment
  CAS-BOT-BC441181  Saxifraga mertensiana R. Bacigalupi 1948-3-6 2854 Sonoma One mile west of Skaggs Springs, on cliff Comment
  CAS-BOT-BC283141  Schedonorus arundinaceus G. De Nevers 1981-5-30 1387 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC311818  Schedonorus arundinaceus Peter Rubtzoff 1958-5-17 3674 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC422369  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC111396  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-23 3924 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llamo Rd). Comment
  CAS-BOT-BC111437  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-23 3904 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llamo Road). Comment
  CAS-BOT-BC111400  Schoenoplectus californicus W. Knight; I. Knight 1984-8-26 5427 Sonoma Willow Cr. Road 60 Comment
  RSA540067  Schoenoplectus californicus Peter Rubtzoff 1966-8-18 5790 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  SD134079  Schoenoplectus californicus Peter Rubtzoff 1967-8-28 5871 Sonoma Lower Salmon Creek Marsh, in shallow water (saline), in the open. Comment
  RSA0015641  Schoenoplectus maritimus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh. Comment
  RSA0019149  Schoenoplectus maritimus Peter Rubtzoff 1955-8-6 2021 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111805  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-20 4165 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC111842  Schoenoplectus tabernaemontani Peter Rubtzoff 1955-9-10 2135 Sonoma East Guernewood, near Guerneville. On a Russian River island. Comment
  CAS-BOT-BC111107  Scirpus microcarpus Peter Rubtzoff 1951-8-4 583 Sonoma A marshy opening south of the Upper Marsh, at the edge of a thicket. Comment
  SEINET12050503  Scoliopus bigelovii F. H. Utech 1988-1 88 -231 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  SEINET12058068  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -006 Sonoma 5.75 mi W of jct of Willow Creek Rd & Coleman Valley Rd on former near headwater of Willow Creek 60 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
  UCSB13223  Scoliopus bigelovii Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Nr. Monte Rio Comment
  CAS-BOT-BC240033  Scribneria bolanderi Catherine Best 1985-4-5 1068 Sonoma Stoetz Lane about 3 miles northeast of Occidental Comment
  RSA73958  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma East side Highway 12, ca. 1/4 mile North of Caliente. Comment
  UCD92507  Scribneria bolanderi Beecher Crampton 1959-6-16 5384 Sonoma 1 mile east of Occidental. Comment
  CAS-BOT-BC320540  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR249330  Scrophularia californica Peter Rubtzoff 1954-8-11 1690 Sonoma Guerneville Marsh Comment
  UCR249337  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  RSA0022396  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  SEINET12332455  Scrophularia californica F. H. Utech 1988-1 88 -224 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  UC112913  Scutellaria californica Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC63939  Sedum spathulifolium J. Clausen 1935-5-24 1079 Sonoma Adobe Canyon at Sonoma Creek, the first ravine abouve Kenwood Springs. Comment
  RSA0074774  Sedum spathulifolium Christopher Davidson 1977-6-17 5884 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  CAS-BOT-BC366869  Selaginella wallacei Greg de Nevers 1998-4-26 11194 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's property in Sec. 6 400 Comment
  UCD135988  Selaginella wallacei Frederica Bowcutt 1987-5-26 815 Sonoma Sinkyone Wilderness State Park, south of BLM's King Range Conservation Area. SW of Four Corners approx. 0.5 air miles. At entrance sign to park along Needle Rock Rd. (county road 435). 335 Comment
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Jan 26 2018
  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
  JEPS19295  Selaginella wallacei C. F. Baker 1903-4-20 2746 Sonoma Napa-Sonoma-Lake Co. line Mt. St. Helena; inner N. Coast Ranges Comment
  CAS-BOT-BC363428  Senecio aronicoides G. DeNevers 1981-4-25 817 Sonoma Pepperwood Ranch. Along Creek that runs past chicken and goat pens, hillside, near main Pepperwood entrance Comment
  SEINET11807204  Senecio jacobaea W. Knight, Knight, I. 1984-1 5113 Sonoma near junction Hwy 1 & Headlands Beach Rd, Sea Ranch Comment
  UCD135597  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental. Comment
  CAS-BOT-BC364678  Senecio vulgaris A. A. Heller; H. E. Brown 1902-3-16 5072 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC80321  Sequoia sempervirens John Thomas Howell 1924-3-22 285 Sonoma Near Camp Meeker Comment
  SEINET10612339  Sequoia sempervirens A. Arthur Heller, H. E. Brown 1902-3-16 Heller 5080 Sonoma Russian River, Near Trenton. Comment
  YM-YOSE15451  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South in Santa Rosa in Bennet Valley Comment
  CAS-BOT-BC361288  Setaria Greg de Nevers 1997-8-20 11086 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Along Mark West Spring Road 400 Comment
  UCR255056  Setaria parviflora Greg de Nevers 1992-6-17 10175 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  CAS-BOT-BC240154  Setaria pumila Peter Rubtzoff 1971-9-2 6684 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC240276  Setaria viridis G. DeNevers 1981-6-20 1653 Sonoma Pepperwood Ranch. Along Franz Valley Road, N side of main hill at bottom of Hill Comment
  CAS-BOT-BC290640  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UC871431 Image available Sidalcea calycosa Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  RSA94097  Sidalcea calycosa subsp. calycosa J. T. Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  CAS-BOT-BC187888  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-4 569 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  JEPS50081  Sidalcea diploscypha M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio; Russian River, btw Gurneville and Monte Rio Comment
  UC73427  Sidalcea diploscypha Milo S. Baker 1898-5-7 Sonoma Glen Ellen Comment
  JEPS50082  Sidalcea diploscypha D. Patchett 1917-5-15 Sonoma Edenrille Ranch Comment
  UCD116611  Sidalcea diploscypha Botany 102 Students 1993-5-8 239 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
  JEPS113060  Sidalcea hickmanii subsp. viridis Steven A. Harris 2006-5-25 SAH- 001 Sonoma Highway 1, PM 22.93 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
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
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  UCR250038  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 152 Comment
  CAS-BOT-BC540832  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
  UC1601098  Sidalcea oregana subsp. valida Mrs. Booth Aug. 1894 Sonoma Knight's Valley Comment
  UC640594  Silene californica Edward Lee 1936-6-8 2209 Sonoma North Ridge Fire Trail North Coast Range, Bohemian Grove (Monte Rio) (Bohemian Grove (Monte Rio)) Comment
  CAS-BOT-BC392495  Silene gallica G. DeNevers 1981-5-9 1064 Sonoma Pepperwood Ranch; Along the road at the aluminum gate above the Strebel Homestead. Comment
  CAS-BOT-BC392500  Silene gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53953 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngove on the west slope of Sonoma Mountain. 457 Comment
  RSA177901  Silene gallica R. F. Thorne 1965-4-20 34356 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CAS-BOT-BC388991  Silene laciniata subsp. californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Rd. 0.8 mi. E of junction with Harrison Grade Road Comment
  CAS-BOT-BC389231  Silene laciniata subsp. californica Peter Rubtzoff 1952-6-9 1182 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  UCD160112  Silene laciniata subsp. californica James A. Neilson Jr. 1973-6-3 2955 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD160832  Silene laciniata subsp. californica James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3361 Sonoma Section 10, on the Geysers Road west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCD98965  Silene laciniata subsp. californica Frederica Bowcutt 1994-6-12 1858 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC5808  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UC8454  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  RSA227220  Sisyrinchium californicum Peter Rubtzoff 1964-6-3 5341 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC164701  Solanum Peter Rubtzoff 1953-11-1 1433 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166713  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UCD165014  Solanum Peter Rubtzoff 1974-10-20 7939 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164687  Solanum Peter Rubtzoff 1951-8-5 594 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  UCR281902  Solanum americanum Peter Rubtzoff 1965-9-11 5649 Sonoma North Coast Ranges, Russian River margin at Forest Hills, 5.5 miles east of Guerneville 9 Comment
  CAS-BOT-BC157536  Solanum umbelliferum P. Rubtzoff 1952-6-9 1195 Sonoma Resort at east slope of Fitch Mtn., nr. Healdsburg Comment
  CAS-BOT-BC365585  Solidago elongata Peter Rubtzoff 1951-9-16 750 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC368009  Solidago velutina subsp. californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCD159447  Solidago velutina subsp. californica D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 204 Sonoma Hill near W Shore Rd. Overlooking Campbell Cove. 29 Comment
  UCR255522  Solidago velutina subsp. californica Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles NE of Freestone 58 Comment
  CAS-BOT-BC365956  Soliva sessilis G. DeNevers 1981-4-11 688 Sonoma Pepperwood Ranch. Lower orchard Comment
  CAS-BOT-BC374525  Sonchus asper G. DeNevers 1981-4-25 813 Sonoma Pepperwood Ranch. Garrison Canyon 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-BC236589  Sorghum halepense Peter Rubtzoff 1962-9-16 5089 Sonoma Vacation Beach, 1.5 mi. below Guerneville, along Russian River Comment
  CAS-BOT-BC390049  Spergula arvensis Ella Dales Cantelow 1940-4-20 3446 Sonoma N. of Ft. Ross. Hy I Comment
  SD39611  Spergularia macrotheca var. macrotheca Edith A. Purer 1932-7-21 4053 Sonoma Bodega Bay. Comment
  CAS-BOT-BC390518  Spergularia macrotheca var. macrotheca Alice Eastwood; John Thomas Howell 1937-5-31 4502 Sonoma 6 miles north of Bodega Bay Comment
  CAS-BOT-BC390734  Spergularia rubra G. DeNevers 1981-6-4 1432 Sonoma Pepperwood Ranch. In Garrison yard Comment
  RSA0025194  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Vernal pool, 6.5 mi northeast of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC534891  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC500696  Stachys Peter Rubtzoff 1957-6-28 3392 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC502053  Stachys Peter Rubtzoff 1963-10-5 5295 Sonoma Brooks Gulch Marsh Comment
  UCD163997  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  UCLA71594  Stachys ajugoides var. ajugoides C. Epling, Wm. Robison 1935-7-28 Sonoma Shellville Comment
  UCD125802  Stachys albens Mrs. Fred Griffin 1935-8-19 s.n. Sonoma Venada. Comment
  UCD126019  Stachys bullata C. Wistrom 1996-5-26 26 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  UC380648  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  SEINET9365554  Stachys rigida Unknown 1994-5-25 Sonoma Bodega Head East Comment
  SEINET12332456  Stachys rigida subsp. quercetorum F. H. Utech 1988-1 88 -222 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  CAS-BOT-BC251171  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC375317  Stephanomeria exigua subsp. coronaria G. DeNevers 1981-6-15 1555 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  UCD167448  Streptanthus James Neilson 1983-6-13 4095 Sonoma East Austin Creek tributary. (On the same date Neilson was in the upper reaches of East Austin Creek, however the exact tributary is unknown. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61158  Streptanthus barbiger R. D. Stone; G. Clifton 1983-6-16 549 Sonoma Along Burma (Kincaid) Road, headwaters of the Cobb Creek drainage. Ca. 0.4 mile southwest of Geyser Rock. 1005 Comment
  SEINET11993693  Streptanthus barbiger Unknown 1984-1 40221 Sonoma N of Cazadero, The Cedars, Big Austin Creek 427 Comment
  UC1292731  Streptanthus brachiatus Freed W. Hoffman 1951-7-30 3831 Sonoma E of Pine Ridge, near Contact Mine Comment
  UCR67076  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  CAS-BOT-BC87231  Streptanthus glandulosus subsp. glandulosus Mrs. C. A. Burlingame 1921-5-20 s.n. Sonoma Sonoma. Comment
  JEPS128292  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2009-4-30 030 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  UC70399  Streptanthus glandulosus subsp. secundus Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  UC985953  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-17 2343 Sonoma Red Slide at headwaters of creek North Coast Ranges, East Austin Creek Comment
  UC985967  Streptanthus glandulosus subsp. secundus Freed W. Hoffman April, 1948 2701 Sonoma Gabe's Rock North Coast Range, Poole Ridge (1 mi nw of Guerneville) Comment
  CAS-BOT-BC87289  Streptanthus glandulosus subsp. secundus Milo S. Baker 1932-5-8 5916 Sonoma Salt Point, 5 miles north of Fort Ross. Comment
  UC1492786  Streptanthus glandulosus subsp. sonomensis Freed W. Hoffman 1947-9-5 1068 Sonoma Dutch Bill Creek North Coast Ranges Comment
  UC1292744  Streptanthus morrisonii Freed W. Hoffman 1950-6-17 3377 Sonoma Layton Mine, Austin Creek Comment
  UCD167024  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UC1751203  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-5-30 1030 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  CAS-BOT-BC97816  Symphyotrichum chilense Peter Rubtzoff 1958-8-9 3826 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC97830  Symphyotrichum chilense Walter Knight; Irja Knight 1963-10-3 498 Sonoma Bennett Valley Comment
  UC75848  Symphyotrichum chilense Miss M. Alice King 1897-6-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC97836  Symphyotrichum chilense Milo S. Baker 1948-9-1 12042 Sonoma About 1 mi north of [Hiway] Highway Junction (i.e., Sears Point) of Sears Point from Vallejo and Black Point cut off Comment
  UCD136523  Symphyotrichum chilense Mary M. Hektner; Cathy Hendel 1974-7-20 155 Sonoma roadside at junction of Whalebone Reach and State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  UC1485932  Symphyotrichum lentum Charles Patterson 1980-9-13 Sonoma Hog Island (n tip) Hog Island Comment
  CAS-BOT-BC221965  Taeniatherum caput-medusae D. E. Breedlove 1980-6-27 44732 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD167336  Taraxia ovata James A. Neilson Jr. 1981-3-8 3984 Sonoma Mayacmas Mountains. Along Healsderg Geysers Rd. 1 mi. south Bragus Ranch. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CDA3894  Teesdalia coronopifolia Chas F. Quibell 1977-3-7 1392 Sonoma Western edge of Santa Rosa, southwest of intersection of Fulton and Piner Roads. 0 Comment
  UC58232  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  POM68315  Thermopsis californica var. californica Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  RSA800480  Thermopsis californica var. californica Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake Comment
  SEINET7096767  Thermopsis macrophylla var. venosa A. G. Vestal 1955-5-7 s.n. Sonoma On Jonive Road. Ca 4.6 miles west of Sebastipol. NAD27,38? deg. 22' 48ao, -122?_ 54' 01ao (converted to WGS84 decimal degrees) UTM Zone 10, 508701mE, 4247764mN. Comment
  CAS-BOT-BC66807  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10934 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66820  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-4-14 5287 Sonoma Near Mark West Springs. Comment
  CAS-BOT-BC66826  Thysanocarpus curvipes Doris K. Kildale 1928-4-1 4399 Sonoma Top of grade just north of Cloverdale in Redwood Highway. 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
  CHSC57363  Thysanocarpus curvipes var. elegans Shelly A. Kirn 1991-3-28 7 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  POM192688  Tiarella trifoliata var. unifoliata H. P. Bracelin 1930-7-27 21 Sonoma One mile N. of Fort Ross. Comment
  UC764989  Tiarella trifoliata var. unifoliata R. F. Hoover 1941-5-14 5074 Sonoma on road to Camp Meeker 3 mi s Monte Rio Comment
  POM312928  Tofieldia glutinosa subsp. occidentalis H. L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  SD130530  Tonella tenella F. Almeda, G. DeNevers 1981-3-30 4894 Sonoma Streambank in vicinity of the Redwood Canyon, Pepperwood Ranch Comment
  UC1084739  Torilis arvensis Milo S. Baker May 1957 13121 Sonoma Brookside Garden Comment
  CAS-BOT-BC81458  Torreya californica D. E. Breedlove 1983-4-11 58694 Sonoma Pepperwood Ranch W of Knights Valley 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
  CAS-BOT-BC169263  Toxicodendron diversilobum G. DeNevers 1981-4-18 738 Sonoma Pepperwood Ranch Comment
  SBBG53031  Toxicoscordion venenosum M. R. Benedict 1978-7-18 Sonoma St Hwy 128, 5 mi W of Calistoga Comment
  CAS-BOT-BC377110  Tragopogon porrifolius G. DeNevers 1981-5-20 1220 Sonoma Pepperwood Ranch. At the Golden Gate Bus Station on Piner Road Comment
  SEINET9299121  Tragopogon porrifolius Unknown 1990-5-10 Sonoma Grassy meadow edge With Brassica, Plantago, Raphanus Comment
  SEINET6165684 Image available Trichostema lanceolatum Unknown 1982-7-1 s.n. Sonoma 2 mi N.E. of Occidental Sonoma Co. Comment
  CAS-BOT-BC166757  Trifolium Peter Rubtzoff 1974-5-26 7486 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784994  Trifolium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC173537  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173557  Trifolium Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173637  Trifolium Peter Rubtzoff 1976-5-30 8556 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC217059  Trifolium amoenum J. W. Congdon 1880-5-1 s.n. Sonoma Santa Rosa Comment
  OBI12721  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  UC58376  Trifolium barbigerum A. A. Heller 1903-4-23 6609 Sonoma Fort Ross Comment
  UC630864  Trifolium barbigerum C. V. Piper 1904-5-27 6350 Sonoma Petaluma Comment
  UCR118959  Trifolium barbigerum var. andrewsii Beecher Crampton 1955-4-5 2410 Sonoma Santa Rosa Area, 2 miles north of Trenton, Mark West Station Road 91 Comment
  CAS-BOT-BC361357  Trifolium bifidum var. bifidum Greg de Nevers 1997-4-16 10940 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UCD107611  Trifolium buckwestiorum P. G. Connors 1995-6-11 350 Sonoma Bodega Head and Dunes. Cazadero, King Ridge Road. 292 Comment
  UC1129993  Trifolium ciliolatum H. S. Yates 1934-4-22 3849 Sonoma 2 mi s Mark West; Calistoga quad 152 Comment
  UC165614  Trifolium ciliolatum Milo S. Baker 1898-5-7 641 Sonoma Glen Ellen Comment
  UCD108258  Trifolium ciliolatum Erik Beever 1993-5-8 230 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  SEINET12166389  Trifolium depauperatum H. K. Wagnon 1989-1 1851 Sonoma Spring Lake Park and environs. Adjacent to MOntgomery Drive 67 Comment
  UCD165169  Trifolium depauperatum var. depauperatum Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  UCD166122  Trifolium dubium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC366944  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley Marsh on Bavarian Lion Ranch 1036 Comment
  UC555451  Trifolium fucatum Herbert L. Mason 1926-3-20 2749 Sonoma s Calistoga (along rr right-of-way) Comment
  UCD143710  Trifolium grayi Beecher Crampton 1955-4-5 2411 Sonoma Starr Road 3 miles northeast of Trenton, along Windsor Creek. Comment
  UCD143711  Trifolium grayi Beecher Crampton 1955-4-5 2416 Sonoma western boundary of the Sonoma County Airport, 2.5 miles south of Windsor. Comment
  UCD109139  Trifolium hydrophilum P. G. Connors 1996-5-6 364 Sonoma 8 km S of Sonoma, W of Sonoma Creek, Viansa Wetlands. 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
  UCD111309  Trifolium macraei Mary M. Hektner 1976-5-10 255 Sonoma Along ocean bluff below Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD165171  Trifolium microcephalum Peter Rubtzoff 1974-6-2 7510 Sonoma Upper Green Valley Marsh. Comment
  UC424855  Trifolium obtusiflorum Milo S. Baker 1929-7-10 3520 a Sonoma just n Santa Rosa (ditch along hwy) Comment
  CAS-BOT-BC368098  Trifolium striatum Greg de Nevers 1998-5-12 11245 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Skovie 400 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
  CAS-BOT-BC361337  Trifolium variegatum Greg de Nevers 1997-4-25 10977 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD109429  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  SEINET6935458  Trifolium variegatum W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  JEPS74301  Trifolium variegatum var. melananthum Peter Rubtzoff 1969-5-3 6023 Sonoma e Sebastopol (Laguna de Santa Rosa) Comment
  UC16731  Trifolium willdenovii F. T. Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  UCD109525  Trifolium willdenovii P. G. Connors 1992-5-8 249 Sonoma Bodega Head and Dunes. Comment
  HSC15175  Trifolium willdenovii S. N. Wiemeyer 1962-4-13 13 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UCD109507  Trifolium willdenovii J. Adams; J. Weick 1993-5-8 272 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. Comment
  UCD165156  Trifolium wormskioldii Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC451982  Triglochin striata Peter Rubtzoff 1973-9-15 7328 Sonoma Lower Salmon Creek Marsh. Slough just east of Hwy. 1. Comment
  UC1084348  Trillium albidum G. Thomas Robbins 1937-3-25 2 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  UC1364376  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 574 Sonoma w. of Geyserville (at confluence of 2 ravines on Skaggs Springs Rd. ca. 10 mi. w. of its jct. with Dry Creek Rd.) Comment
  CAS-BOT-BC520847  Trillium albidum J. W. Congdon 1880-3-1 s.n. Sonoma Near Santa Rosa Comment
  SEINET10534311  Trillium ovatum David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20705 Sonoma 2 mi NW of Forestville on Hwy 116, Douglas Fir forest with some Oaks. Comment
  SEINET12050389  Trillium ovatum F. H. Utech, Knight, W.; Knight, I. 1988-1 88 -001 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  UC463118  Trillium ovatum Milo S. Baker 1900-9-26 3857 b Sonoma Cooper's Greene Comment
  UC1334893  Triphysaria L. D. Thurman 1964-4-24 434 Sonoma on State Hwy #128, 15 mi nw Calistoga Comment
  JEPS79427  Triphysaria eriantha subsp. eriantha Nancy Harrison 1980-4-7 2089 Sonoma South Santa Rosa (Park Trail Drive) Comment
  UCSB23011  Triphysaria eriantha subsp. eriantha McCarthy, Sharon 1965-4-17 Sonoma Corner of 5th Street and MacArthur Street, Sonoma 25 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
  JEPS19394  Triphysaria versicolor subsp. faucibarbata G. Thomas Robbins 1937-6-6 238 Sonoma along roadside near Bodega Bay; near Bodega Bay Comment
  OBI49266  Triphysaria versicolor subsp. faucibarbata Michener & Bioletti, Bioletti May 1892 s.n. Sonoma Shellville Comment
  UC1334870  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-5-4 468 Sonoma 0.1 mi w of junction of Petaluma-Valley Ford road with Tomales-Petaluma road Comment
  UC886476  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1938-5-14 15090 Sonoma just e Bodega Comment
  RSA13530  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1930-5-9 631 Sonoma Knights Valley, Comment
  JEPS15322  Triphysaria versicolor subsp. versicolor H. S. Yates 1934-4-21 3793 Sonoma near Bodega; Sebastopol Quad., near Bodega Comment
  CAS-BOT-BC200110  Trisetum canescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13533 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC227657  Trisetum canescens Peter Rubtzoff 1955-5-14 1847 Sonoma Duncans Mills Marsh. Comment
  RSA784397  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UC1133276  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 2 mi se Forestville; Pitkin Marsh, Sebastopol Quad. 30 Comment
  UC1146666  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma coast road near Bridgehaven; North Coast Ranges Comment
  UCD93598  Trisetum canescens P. B. Kennedy 1915-6-1 s.n. Sonoma Northern. Del Mar. Comment
  RSA264776  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road. Comment
  UC72474  Triteleia laxa Milo S. Baker 1904-6-19 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC527034  Triteleia laxa Dorothy Scherer 1997-5-20 116 Sonoma Ca. 25' north of Hwt 1 MM. 34.00 and 50' east, Fort Ross State Historic Park 38 Comment
  CAS-BOT-BC527045  Triteleia laxa Alice Eastwood 1915-6-29 4886 Sonoma Bodega Point Comment
  CLARK-A1528-1521  Triteleia laxa John C. Roos 1950-7-22 4866 Sonoma Jenner Comment
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Sep 13 2015
  SEINET7042391  Triteleia laxa A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  CAS-BOT-BC527970  Triteleia peduncularis J. W. Congdon 1880-5-30 115 Sonoma Santa Rosa Comment
  CAS-BOT-BC74110  Turritis glabra A. A. Heller; H. E. Brown 1902-5-29 5624 Sonoma Mount Hood. Comment
  SEINET11992138  Turritis glabra F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -107 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 457 Comment
  POM21294  Ulex europaeus A. A. Heller, H. E. Brown 1902-3-22 7308 Sonoma Among Redwood Trees W of Sebastopol Comment
  RSA699636  Ulex europaeus Keith E. Hoffmaster 1946-3-9 s.n. Sonoma Roadside, spreading thruoghout a hillside pasture. Near Petaluma. Comment
  UC9879  Umbellularia californica Schmidt Sonoma Sonoma County Comment
  SEINET9362232  Umbellularia californica Unknown 1990-5-4 Sonoma Sonoma Comment
  CAS-BOT-BC403978  Urtica dioica subsp. gracilis Peter Rubtzoff 1957-6-28 3393 Sonoma Duncans Mills Marsh Comment
  UCD111537  Urtica dioica subsp. gracilis P. G. Connors 1991-7-2 191 Sonoma Bodega Head and Dunes. Near Bodega Harbor, on Bodega Head. Comment
  CAS-BOT-BC404245  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-8-13 1717 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC193382  Vaccinium ovatum Mary P. Wells 1985-10-4 680 Sonoma New road to semi-pygmy forest south of Gualala River Comment
  UC456167  Vaccinium ovatum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC135762  Veratrum fimbriatum Milo S. Baker 1921-9-20 2556 Sonoma 2 mi. north Stewart's Point Comment
  CAS-BOT-BC135770  Veratrum fimbriatum Saichi Kawahara 1968-8-28 497 Sonoma Salt Point Ranch 9 Comment
  CAS-BOT-BC156315  Verbascum Peter Rubtzoff 1955-7-17 1976 Sonoma [Guernerville] Guerneville Marsh Comment
  CAS-BOT-BC320526  Verbascum Peter Rubtzoff 1973-8-29 7289 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC156317  Verbascum Peter Rubtzoff 1962-6-22 4959 Sonoma Fife Creek Marsh Comment
  UCD166726  Verbascum thapsus Peter Rubtzoff 1962-8-24 5070 Sonoma Fife Creek Marsh. Comment
  SJSU4770  Verbena litoralis W. A. Lordge 1963-11-2 21 Sonoma Fort Ross Comment
  UCR244667  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road 16 Comment
  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-BC166807  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  RSA783733  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UCD148319  Veronica americana Peter Rubtzoff 1954-6-6 1461 Sonoma Guerneville Marsh. Comment
  RSA786487  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh. Comment
  UCR255034  Veronica peregrina Greg de Nevers 1998-4-21 11159 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR279868  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  JEPS88699  Veronica scutellata P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  UC353801  Veronica scutellata Milo S. Baker 1928-4-28 3006 a Sonoma Pitkin Swamp Comment
  SEINET12337131  Veronica serpyllifolia W. Knight, Knight, I.; Knight, T. 1985-1 6359 Sonoma Knight's Lawn, 1513 Royal Oak Drive, Petaluma Comment
  UC175500  Viburnum ellipticum Mrs. R. Kuhn 1914-5-5 3512 Sonoma El Cerrito Ranch Comment
  CAS-BOT-BC257966  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh area. Comment
  SEINET12165197  Vicia angustifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -225 Sonoma Valley Ford, junction of CA 1 & Valley Ford-Freestone highway, along Ebabias Creek 30 Comment
  CDA36954  Vicia benghalensis CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  JEPS87240  Vicia lutea Jack and Betty Guggolz 1992-5-6 1275 Sonoma 2 mi sse Windsor 33 Comment
  RSA51333  Vicia sativa Peter H. Raven 1950-4-6 1585 Sonoma Cotati to Santa Rosa Comment
  HSC15288  Vicia villosa subsp. varia S. N. Wiemeyer 1962-4-13 14 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UC1742244  Viola Milo S. Baker 1948-5-17 12040 Sonoma Brookside Garden Comment
  RSA595074  Viola adunca Peter Rubtzoff 1977-11-26 9147 Sonoma On east side of Hwy 1, ca 1.5 mile northwest of jct of the road to Fort Ross State Historic Park. Comment
  UC581495  Viola adunca H. L. Mason 1928-4-8 4279 Sonoma Fort Ross Comment
  CAS-BOT-BC270247  Viola adunca Ella Dales Cantelow 1939-4-10 4569 Sonoma 2.3 miles S of Stewarts Point Comment
  UCD110664  Viola adunca subsp. adunca Mary M. Hektner 1974-6-24 64 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1761626  Viola douglasii Dorothy Bately 1932-2-19 Sonoma Santa Rosa Golf Links Comment
  JEPS50388  Viola glabella Dorothea Gorter 1920-3-23 Sonoma Villa Grande; Russian River, Villa Grande Comment
  UC1762398  Viola glabella Freed Hoffman 1947-3-30 891 Sonoma Guerneville Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC5196  Viola helleriana Amos Arthur Heller; H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay. Comment
  UC1761472  Viola ocellata Milo S. Baker 1898-4-3 991 Sonoma between Cazadero and Guerneville Comment
  UC1762303  Viola ocellata Helen Von Grafen 1927-4-8 Sonoma Fitch Mountain Comment
  UCD110696  Viola ocellata Thomas Miller 1976-5-8 25 Sonoma Canyon 3 Creek. 1.1 miles N of River Road and Russian River. 106 Comment
  UC1762575  Viola pedunculata Milo S. Baker May 1897 5539 Sonoma road from Petaluma to Santa Rosa Comment
  UC1761625  Viola pedunculata Mary Eloise Bauder 1929-4-2 5 Sonoma Roberts place--Pet. Hill Road Comment
  UC337768  Viola sempervirens unknown Mar. 1888 Sonoma Redwoods near Healdsburg Comment
  CAS-BOT-BC135292  Viscum album Stanley Rose 1966-3-13 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CDA2765  Viscum album S. Rose 1966-1-2 1090 Sonoma About 1 mile from Sebastopol on Gravenstein Highway North. 0 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-BC203128  Vitis californica Peter Rubtzoff 1952-6-3 1178 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  POM117433  Vitis californica Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SJSU7518  Vitis californica L. S. Rose 1968-6-25 68115 Sonoma Rincon Ridge NE of Santa Rosa 121 Comment
  UC552473  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  CAS-BOT-BC203124  Vitis californica Walter Knight; Irja Knight 1963-9-1 134 Sonoma Along 1st stream up from County Dump on Pine Mt Rd NE of Cloverdale Comment
  CAS-BOT-BC203133  Vitis californica James McMurphy 1907-9-27 s.n. Sonoma Mark West Creek Comment
  SEINET10691477  Vitis californica John H. Redfield 1872-8-26 Redfield 1106 Sonoma Geysers Comment
  UCD60314  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma On highway near Hilton, 2 miles E of Korbel on Russian River. Comment
  CAS-BOT-BC199825  Vulpia John H. Thomas 1976-6-16 18347 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC199898  Vulpia bromoides A. A. Heller 1902-4-4 5221 Sonoma Hills near Santa Rosa Comment
  CAS-BOT-BC199900  Vulpia bromoides John Thomas Howell 1947-6-26 23314 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC199894  Vulpia bromoides Mary P. Wells 1985-4-27 508 a Sonoma Monan's Rill, no. of St. Helena Road southeast of Calistoga Road Comment
  RSA94641  Vulpia bromoides Peter Rubtzoff 1952-5-31 1095 Sonoma Eastern branch of the upper marsh. Comment
  UC903758  Vulpia microstachys var. ciliata Milo S. Baker 1947-5-5 11722 Sonoma sw slope Hood Mt. (above Baker Ranch) 213 Comment
  UCD93733  Vulpia microstachys var. ciliata A. A. Beetle; G. L. Stebbins 1942-6-4 3586 Sonoma near Occidental. Comment
  CAS-BOT-BC184134  Vulpia microstachys var. microstachys G. DeNevers 1981-5-15 1195 B Sonoma N slope of hill above Hansel's Lake Comment
  CAS-BOT-BC361284  Vulpia microstachys var. pauciflora Greg de Nevers 1997-4-24 10963 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM206212  Vulpia myuros A. A. Heller 1902-4-4 5221 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC185836  Vulpia myuros subsp. megalura G. DeNevers 1981-5-11 1120 Sonoma By the Garrison Gate Comment
  UC903742  Vulpia myuros var. hirsuta Milo S. Baker 1947-5-5 11725 Sonoma s slope Hood Mt. (above Baker ranch) 213 Comment