Search Results — 2000 specimen records retrieved (1234 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD41414  Abronia latifolia Edith A. Purer 1932-7-24 4089 Sonoma Near Bodega Bay Comment
  UC14111  Acaena pinnatifida var. californica Harley P. Chandler 1900-5-25 665 Sonoma Bodega Comment
  CAS-BOT-BC332799  Acer macrophyllum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54011 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC70393  Acer macrophyllum Milo S. Baker April 1898 606 Sonoma Santa Rosa Creek Canyon Comment
  UC718032  Acer macrophyllum Carl B. Wolf 1933-9-27 5513 Sonoma on rd to Calistoga 2 mi se Kellogg; se of Kellogg 91 Comment
  CAS-BOT-BC336942  Acer negundo var. californicum Irja Knight; Walter Knight 1964-11-3 761 Sonoma Sonoma Mt. Road. Between Folger Ranch and Enterprise Rd. Comment
  CAS-BOT-BC30082  Achillea millefolium Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC30088  Achillea millefolium W. E. Lawrence 1942-1-1 L 5031 Sonoma Bodega Coast, grown in Stanford gardens Comment
  RSA39636  Achillea millefolium P. A. Munz 1947-10-10 12217 Sonoma 2 miles north of Jenner 30 Comment
  CAS-BOT-BC29165  Achyrachaena mollis F. Almeda; G. DeNevers 1981-4-28 4913 Sonoma Pepperwood Ranch, vicinity of Bechtel Cabin Comment
  CAS-BOT-BC29167  Achyrachaena mollis G. DeNevers 1981-4-25 807 Sonoma Franz Valley Road and Mark West Springs Road Comment
  SEINET3523218 Image available Acmispon aestivalis A. A. Heller 1938-8-11 15321 Sonoma Knights Valley, Oak Belt of Upper Sonoran Life Zone Comment
  UCD103773  Acmispon americanus var. americanus Frederica Bowcutt 1984-6-23 430 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  UCD104496  Acmispon wrangelianus P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC29845  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC29847  Adenocaulon bicolor Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  UC466769  Adenostoma fasciculatum W. P. Taylor 1913-6-23 Sonoma 7 mi. w. Cazadero (e. side <________ Niestrath's ?>) Comment
  UCR198233  Adenostoma fasciculatum Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .273 Sonoma Cavesdale Road 518 Comment
  JEPS128352  Adiantum jordanii Roger Raiche 2000-5-5 094 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD137211  Adiantum jordanii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 56 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  UCD136676  Aesculus californica Frederica Bowcutt 1994-6-12 1865 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC368034  Agoseris grandiflora Greg de Nevers 1998-6-20 11291 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along creek below Rogers Apple Orchard. 400 Comment
  UCD160133  Agoseris grandiflora James A. Neilson Jr. 1973-6-7 2945 a Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 365 Comment
  UCD160822  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3374 Sonoma Section 10, along Geysers Road, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  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-BC166700  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh Comment
  RSA785751  Agrostis Peter Rubtzoff 1968-6-25 5911 Sonoma Lichan Marsh Comment
Read comments Apr 16 2014
  RSA785752  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville Comment
  UC37003  Agrostis H. N. Bolander 1860-1 6456 Sonoma Cloverdale Comment
  UCR244644  Agrostis Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh 6 Comment
  SEINET10817024  Agrostis P. Rubtzoff 1966-8-22 Rubtzoff 5854 Sonoma SE of Lower Salmon Creek Marsh. Comment
  SEINET246029  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma 0.9 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51829  Agrostis blasdalei Mary M. Hektner 1975-6-2 195 Sonoma east of Walk-on-Beach, Unit 28 Owners' Map, Sea Ranch, near State Highway 1. 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
  UCD51837  Agrostis blasdalei Beecher Crampton 1957-7-22 4394 Sonoma along State Hwy. 1, 1/4 mile north Fort Ross. Comment
  SEINET3916029  Agrostis californica Beecher Crampton 1957-7-11 4344 Sonoma Sonoma County, 4.6 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1, Duncan's Point.; 0 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
  UCD51885  Agrostis densiflora Beecher Crampton 1957-7-22 4367 Sonoma 0.3 mile south of Stewart's Point, above Fisherman's Bay. Comment
  UCD51973  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma above Blind Beach just south of Goat Rock, Sonoma Coast State Park, 9 miles north of Salmon Creek. Comment
  UCD51994  Agrostis densiflora Beecher Crampton 1957-7-11 4321 Sonoma Sonoma Coast State Park, 1/2 mile north of Salmon Creek. Comment
  UCR279633  Agrostis densiflora Peter Rubtzoff 1967-8-22 5854 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  UCD36690  Agrostis exarata Beecher Crampton 1955-6-17 2946 Sonoma 4.5 miles S of Cazadero. Comment
  UCD52075  Agrostis exarata R. Tofsrud 1941-7-1 s.n. Sonoma near Kenwood. Comment
  UCD52229  Agrostis exarata var. pacifica Beecher Crampton 1957-7-22 4381 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD52696  Agrostis hallii B. Crampton 1955-6-17 2979 Sonoma 2.4 miles south of Monte Rio. Comment
  UCD52714  Agrostis hallii Beecher Crampton 1959-6-16 5382 Sonoma 1 mile E of Occidental. Comment
  UCD53052  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma 6.5 miles north of Sonoma State Hwy. 12, Glen Ellen Station. California Division of Forestry. Comment
  UCD84282  Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCR279856  Agrostis microphylla Peter Rubtzoff, Tim Tunison, Nancy Harrison 1976-6-5 8584 Sonoma North Coast Ranges, False Lake Meadow area, Annadel State Park 244 Comment
  JEPS128360  Agrostis pallens Roger Raiche 2000-6-4 131 .00 Sonoma The Cedars, Gateway Parcel at Christi Camp, Lower Russian River, Big Austin Creek watershed. Comment
  UC766898  Agrostis pallens Robert F. Hoover 1941-6-7 5315 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  UCD53076  Agrostis pallens R. Tofsrud 1941-7-1 128 Sonoma Parker Hill, Santa Rosa. Comment
  UCD53221  Agrostis pallens David L. Morgan 1956-6-26 s.n. Sonoma bank above Shell Beach, 1/4 mi. S. of Goat Rock, just off State Highway #1. Comment
  UCD53490  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. Comment
  SEINET7067249  Aira caryophyllea A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD55780  Aira caryophyllea Chris Bowen 1976-5-18 126 Sonoma Unit 24 Owners' Map. Sea Ranch. Near State Highway 1. Comment
  CAS-BOT-BC138390  Aira caryophyllea var. capillaris L. R. Abrams 1918-4-27 6903 Sonoma Independence School near Healdsburg. Comment
  UCD55793  Aira caryophyllea var. capillaris M. Wiesendanger 1927-5-5 712 Sonoma Sonoma. Comment
  CAS-BOT-BC138216  Aira caryophyllea var. caryophyllea John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53959 Sonoma Fairfiled Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC138215  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1952-6-10 1213 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  RSA790059  Alisma Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC445341  Alisma lanceolatum Peter Rubtzoff 1962-7-4 4967 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg. Comment
  CAS-BOT-BC445349  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road). Comment
  RSA201189B  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa, NE of Graton (near Guerneville Road). Comment
  RSA790060  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  SBBG39698  Alisma lanceolatum P. Rubtzoff 1955-7-16 1959 Sonoma Bennett Mountain Lake Comment
  UCD137916  Alisma lanceolatum Peter Rubtzoff 1954-7-17 1550 Sonoma Austin Creek. Comment
  CAS-BOT-BC445467  Alisma triviale Peter Rubtzoff 1962-7-28 5011 Sonoma Ross Marsh area. Green Valley Creek bank near Ross Station Rd. crossing. Comment
  RSA94453  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  UCR255048  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC462385  Allium amplectens Peter Rubtzoff 1963-6-18 5182 Sonoma Bennett Mt. Lake Comment
  CAS-BOT-BC462386  Allium amplectens Peter Rubtzoff 1963-6-18 5182 Sonoma Bennett Mtn. Lake; Sonoma County Marshes Comment
  CAS-BOT-BC469107  Allium dichlamydeum A. L. Graff 1928-6-1 s.n. Sonoma Near Cazadero Comment
  UCSB50251  Allium dichlamydeum Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach, T6N R11W 15 Comment
  UC1083345  Allium falcifolium Herbert L. Mason 1934-4-28 8074 Sonoma head of Dohrman Creek Dohrman's Creek, Jensen's Ranch Comment
  CDA19075  Allium triquetrum G. Bjork 2001-4-4 PDR 117291 Sonoma North Coast Ranges; on Copperfield Ct., Santa Rosa. 0 Comment
  CAS-BOT-BC474317  Allium unifolium D. E. Breedlove 1980-5-3 44654 Sonoma Pepperwood Ranch W. of Knights Valley Comment
  CAS-BOT-BC478830  Allium vineale Greg de Nevers 1994-6-29 10527 Sonoma On road below Red Corral, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC478829  Allium vineale John Thomas Howell 1976-6-22 51809 Sonoma Sonoma Joe's Restaurant, Petaluma Comment
  CAS-BOT-BC169657  Alnus rhombifolia Peter Rubtzoff 1960-6-9 4491 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  UCD150834  Alopecurus saccatus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  UCD55951  Alopecurus saccatus Beecher Crampton 1966-5-10 7726 Sonoma 6.5 miles north of Sonoma, State Hwy. 12, Glen Ellen Station, California Div. of Forestry. Comment
  UC465921  Amaranthus deflexus Harriet A. Walker 1908-6-7 1165 Sonoma Santa Rosa Comment
  SEINET5710304  Ambrosia chamissonis Michael Fleschner 1965-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay.; Bodega Bay Comment
  UCD128773  Ambrosia chamissonis Michael Fleschner 1965-5-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay. Comment
  CAS-BOT-BC55540  Ambrosia psilostachya M. K. Bellue 1938-6-1 s.n. Sonoma Near Santa Rosa Comment
  UC891354  Ambrosia psilostachya Milo S. Baker 1932-1-1 6025 Sonoma 3 mi s, towards Napa Sonoma Comment
  POM180627  Amelanchier pallida J. T. Howell 1930-6-8 5287 Sonoma 8.5 miles N of Bodega Bay Comment
  UCD166254  Ammannia robusta Peter Rubtzoff 1970-8-18 6307 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC137887  Ammophila arenaria Catherine Best 1981-5-2 s.n. Sonoma On the south side of the mouth of the Russian River. Comment
  CAS-BOT-BC177233  Amorpha californica var. napensis Alice Eastwood 1915-6-5 4614 Sonoma Petrified Forest Comment
  CAS-BOT-BC177234  Amorpha californica var. napensis D. E. Breedlove 1980-6-27 44762 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC222272  Amsinckia Rimo Bacigalupi 1928-6-18 1880 Sonoma At mouth of Salmon Creek 2 miles north of Bodega Bay Comment
  CHSC21835  Amsinckia intermedia Robert A. Schlising 1962-3-31 2113 Sonoma In pastured field. Comment
  UC1278041  Amsinckia intermedia Beecher Crampton 1955-4-5 2420 Sonoma 2 mi n Petaluma (along US Hwy 101) Comment
  UCD119271  Amsinckia intermedia Botany 102 Students 1993-5-8 32 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. N of Sugarloaf Ridge, near group campground. Comment
  RSA785704  Anagallis arvensis Carrie A. Herd 1982-5-19 117 Sonoma Rohnert Park, C.S.U. Sonoma, Cluster School Building closest to Nichols Hall. Comment
  SEINET11993493  Anagallis arvensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -172 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  UCD123943  Anagallis arvensis Erik Beever 1993-5-8 218 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. 304 Comment
  UC36576  Ancistrocarphus filagineus Edw. L. Greene 1892-4-30 Sonoma Mt. St. Helena Comment
  UC1146605  Andropogon glomeratus var. pumilus Freed W. Hoffman 1942-6-13 2046 Sonoma around Hot Springs the Geysers; North Coast Ranges, , the Geysers Comment
  UCD56062  Andropogon glomeratus var. pumilus Virginia Bufford 1936-8-18 413 Sonoma Pitkins Marsh, Vine Hill District. Comment
  UC1011021  Andropogon virginicus var. virginicus Virginia Bufford 1935-9-8 77 Sonoma Pitkin's Marsh; Pitkin's Marsh, Vine Hill District Comment
  UC1011022  Andropogon virginicus var. virginicus Virginia Bufford 1935-9-8 77 Sonoma Pitkins Marsh 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
  JEPS16077  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  UC174199  Angelica tomentosa Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UCD126256  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 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. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC271441  Anisocarpus madioides Mary P. Wells 1981-4-18 s.n. Sonoma Near So. Fork Gualala R., the Sea Ranch Comment
  UCD128896  Anisocarpus madioides Gerry North 1993-3 6 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Across Adobe Canyon Road deom Goodspeed Trailhead pullout. 228 Comment
  CAS-BOT-BC173815  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC173816  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  UC1084476  Anthemis cotula G. Thomas Robbins 1937-6-18 245 Sonoma Santa Rosa Santa Rosa Creek Comment
  UCD15834  Anthemis cotula K. Mawdsley 1998-6-30 44 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 about 100 yds west of Education Center and gate. 350 Comment
  RSA293047  Anthemis fuscata Reino Alava 1957-3-23 524 Sonoma Along the State Highway no. 101 at Asti Comment
  UC903686  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma n of Winson (e of Hwy 101) Comment
  UCD150839  Anthoxanthum aristatum subsp. aristatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma Sonoma County, 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Comment
  CAS-BOT-BC280667  Anthoxanthum occidentale David L. Morgan 1958-2-13 s.n. Sonoma 4 mi. W. of Monte Rio on Russian River Rd. Comment
  UCD167561  Anthoxanthum odoratum James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. 1/2 mile west of Black Hawk Ranch on Squaw Creek. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  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
  POM188144  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones 1931-7-5 28810 Sonoma The Geysers. Comment
  CDA41217  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mike Mason 1977-7-11 PDR# 371779 Sonoma River Road near Guerneville. 0 Comment
  POM133220  Apiastrum angustifolium C. F. Baker 1892-1 s.n. Sonoma [Unspecified] Comment
  SEINET5779372 Image available Apium graveolens Marcus E. Jones 1882-1 3604 Sonoma Duncan's Mills Comment
  UC66036  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UC1300971  Aquilegia formosa Helen K. Sharsmith 1963-5-25 5491 Sonoma e Occidental (on Coleman Valley rd); San Francisco Bay region Comment
  CDA40893  Aralia californica G. F. Hrusa 2003-11-11 16198 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. Sheet 2 of 2 0 Comment
  SEINET11993379  Arbutus menziesii W. Knight, Knight, I.; Edwards, S. 1986-1 5332 Sonoma along trail to Geyser Peak from Geyser Rd 853 Comment
  UCD168049  Arceuthobium campylopodum James Neilson 1981-7-1 4044 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
  RSA629215  Arctostaphylos Jon E. Keeley 1993-9-11 24775 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629225  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629227  Arctostaphylos Jon E. Keeley 1993-9-11 24772 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388332  Arctostaphylos Freed W. Hoffman 1947-2-28 764 Sonoma near Healdsburg (headwaters of creek (which is a branch of Mill Creek)); North Coast Ranges, Wild Hog Ridge, Palmer Creek Comment
  UC549553  Arctostaphylos J. E. Adams 1934-3-28 719 Sonoma near Santa Rosa; Vine Hill Comment
  UC1388338  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 513 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  UC1120876  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1562 A Sonoma 1/2 mi nw Trenton; Sebastopol Quadrangle Comment
  UC727008  Arctostaphylos bakeri A. A. Heller 1942-3-15 16396 Sonoma 2 mi e Occidental (near summit of grade, from type station); Harrison Grade Comment
  UC876383  Arctostaphylos bakeri Lewis S. Rose 1934-2-22 34032 Sonoma 2 mi e Occidental (type locality) Comment
  UCD50404  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mile northwest of Occidental. 213 Comment
  RSA396205  Arctostaphylos bakeri subsp. bakeri F. H. Utech, Walter, Irja Knight 1984-4-18 84 -167 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  RSA622705  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24697 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622710  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24706 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA70871  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 miles E of Occidental. Comment
  RSA165884  Arctostaphylos bakeri subsp. bakeri Lee W. Lenz 10903 Sonoma stock from Saratoga Hort. Foundation, Source unknown Comment
  CDA31371  Arctostaphylos canescens D. G. Kelch, Ed Biffin 2010-5-3 10 .202 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  RSA622724  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24767 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CDA12039  Arctostaphylos canescens subsp. canescens G. F. Hrusa 1990-1-2 7348 Sonoma North Coast Biodiversity Arena; Hogback Mtn., approx. 4 km. NE of Sonoma. Comment
  POM367246  Arctostaphylos canescens subsp. canescens L. S. Rose 1949-3-27 49017 Sonoma 3 mi. east of Beltane. 457 Comment
  UCD55064  Arctostaphylos canescens subsp. canescens Ellen Dean; California Department of Forestry Personnel 2006-4-26 3002 Sonoma Top of Mt. St. Helena. 1319 Comment
  CAS-BOT-BC23968  Arctostaphylos canescens subsp. canescens Milo S. Baker Fall 1936 8622 Sonoma Rutherford - Glen Ellen road halfway to summit Comment
  UC1120078  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1576 Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UCD50536  Arctostaphylos canescens var. sonomensis Walter Knight; Irja Knight 1982-3-9 4497 Sonoma From Tilden Botanic Garden, Berkeley. Originally collected from Montecito Heights, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC23642  Arctostaphylos columbiana Mary P. Wells 1986-1-9 705 A Sonoma Edge of forest by Pilot's Beach, The Sea Ranch Comment
  UC549700  Arctostaphylos columbiana J. E. Adams 1934-3-28 732 Sonoma seven mi n Fort Ross Comment
  CAS-BOT-BC23648  Arctostaphylos columbiana Mary P. Wells 1985-10-4 668 Sonoma 1 mile south of Gualala River. Comment
  CAS-BOT-BC25014  Arctostaphylos densiflora Peter Rubtzoff 1952-3-22 870 Sonoma Dry, open area separating the Western branch of the Upper Marsh from the Eastern. Comment
  POM204431  Arctostaphylos densiflora J. T. Howell 1931-3-14 5770 Sonoma Vine Hill District Comment
  UC1120151  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 829 Sonoma Vine Hill Sebastapol Quadrangle Comment
  UC1120152  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 830 Sonoma Vine Hill Sebastapol Quadrangle Comment
  UC549453  Arctostaphylos densiflora J. E. Adams 1935-3-1 1032 Sonoma Frei Ranch Vine Hill Comment
  UC549535  Arctostaphylos densiflora J. E. Adams 1934-3-28 721 Sonoma Vine Hill School Sta. Rosa Comment
  UC909875  Arctostaphylos densiflora J. E. Adams 1934-3-28 722 Sonoma Vine Hill School Sta. Rosa Comment
  UCSB23053  Arctostaphylos densiflora McMinn, Howard 1936-4-5 Sonoma Just west of Vine Hill School, 16 miles west of Santa Rosa Comment
  SEINET11987279  Arctostaphylos densiflora W. Knight, Knight, I.; McClintock, E.; Sigg, J. 1981-1 4037 Sonoma Strybing Arboretum, San Francisco, originally from Vine Hill District, near Sebastopol Comment
  SEINET11987288  Arctostaphylos densiflora W. Knight, Knight, I.; Sigg, J.; McClintock, E. 1981-1 3998 Sonoma Strybing Arboretum, San Francisco, originally from Vine Hill District Comment
  SEINET11977772  Arctostaphylos glandulosa C. M. Belshaw 1936-1 1572 Sonoma on Rincon Ridge 1.5 mi N of County Farm 267 Comment
  UCD51109  Arctostaphylos glandulosa Roman Gankin; W. R. Hildreth 1967-10-4 1077 Sonoma Near Rocky Mountain, north of Guerneville. Comment
  CAS-BOT-BC23325  Arctostaphylos glandulosa subsp. cushingiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena, Knights Valley slope Comment
  RSA631191  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24730 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631192  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24733 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24678  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight 1963-12-27 472 Sonoma Summit Pine Flat Road. Comment
  CAS-BOT-BC24721  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5173 Sonoma 7.7 mi. from w. end of Sonoma Lake Bridge on Rockpile Road. Comment
  CAS-BOT-BC24718  Arctostaphylos glandulosa subsp. glandulosa Susan M. Smith 2004-2-9 s.n. Sonoma Scattered over 80 acre native plant preserve. On St. Helena Rd, 3.5 mi' e. of Calistoga Rd. 487 Comment
  RSA631198  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24728 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA364261  Arctostaphylos hispidula Roger Raiche 1984-1-14 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point- Skaggs Springs Rd. 502 Comment
  UCD59421  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point-Skaggs Springs Road. 502 Comment
  CAS-BOT-BC38988  Arctostaphylos manzanita Roger Raiche 1983-7-3 30476 Sonoma East Austin Creek State Rec. Area, near Redwood Lake, at edge of forest on north-facing slope. 365 Comment
  HSC83403  Arctostaphylos manzanita D. L. Koutnik, Mary Barbercheck 1981-6-18 Sonoma Austin Creek State Recreation Area, ca. 4 mi. N of Guerneville 488 Comment
  RSA633063  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24714 Sonoma Along Calistoga Road, 8.5 km southwest of Highway 128. 360 Comment
  UCD151132  Arctostaphylos manzanita James A. Neilson Jr. 1973-6-6 2950 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  UCD52232  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1067 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  SEINET11990960  Arctostaphylos manzanita Unknown 1983-1 30499 B Sonoma near entrance to public landfill site, rd to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11993022  Arctostaphylos manzanita W. Knight, Knight, T. 1985-1 5176 Sonoma Lovers' Leap area of John Joost Ranch on Calistoga Road between St. Helena Rd & Porter Creek Rd Comment
  SEINET11994054  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. 1986-1 5525 Sonoma Pepperwood Nature Preserve, Franz Valley Rd, W rim of Devil's Garden Comment
  UCD51921  Arctostaphylos manzanita John M. Tucker 1977-6-16 4393 Sonoma On Shurtleff Ranch off Chalk Hill Road to the east; ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 121 Comment
  SEINET11989697  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I. 1982-1 4616 Sonoma 2.1 mi from Camp Meeker toward Monte Rio on Bohemian Highway Comment
  SEINET11993704  Arctostaphylos manzanita subsp. bakeri Unknown 1985-1 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill 122 Comment
  CAS-BOT-BC38946  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11760 Sonoma Mt. St. Helena Comment
  SEINET11993368  Arctostaphylos manzanita subsp. glaucescens P. V. Wells, Knight, W.; Knight, I. 1986-1 5223 Sonoma next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa Comment
  CAS-BOT-BC38684  Arctostaphylos manzanita subsp. manzanita Roman Gankin 1957-11-1 248 Sonoma Vine Hill Shcool Road, .1 mile east of junction with Vine Hill road, ca. 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38691  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38750  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-2-28 55007 Sonoma 2 mi. w. of Graton, road to Occidental 121 Comment
  CHSC83180  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 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 Sonoma Creek along Hillside Trail. 396 Comment
  POM215749  Arctostaphylos manzanita subsp. manzanita Jens Clausen 1933-3-26 750 Sonoma Baker Ranch, Kenwood, Adobe Canyon. Comment
  SBBG28821  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC1409193  Arctostaphylos patula C. W. Tilforth and John Dourley 1973-7-18 909 Sonoma Graton Rd 1 mi e Occidental Comment
  CAS-BOT-BC47336  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55009 Sonoma 2 mi. w. of Graton. Road to Occidental. 121 Comment
  CAS-BOT-BC47342  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5765 Sonoma Rincon Ridge near Santa Rosa. Comment
  CAS-BOT-BC47348  Arctostaphylos stanfordiana R. F. Hoover 1963-1-12 8547 Sonoma Cavedale Rd., Hoods Peak Range. Comment
  RSA636812  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24752 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
  UC1084352  Arctostaphylos stanfordiana G. Thomas Robbins 1937-3-25 8 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  UCD53849  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 688 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  CAS-BOT-BC43879  Arctostaphylos stanfordiana Milo S. Baker 1929-6-1 3571 Sonoma Near Vene Hill School House Comment
  SEINET11984942  Arctostaphylos stanfordiana Unknown 1966-1 686 Sonoma S of Hooker Canyon at point directly opposite canyon from Cavedale Rd, 3.1 mi E of junction of CA 12 Comment
  JEPS95230  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  SBBG28448  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA517039  Arctostaphylos stanfordiana subsp. stanfordiana Jack Guggolz, Betty Guggolz 1986-3-3 851 Sonoma 1.2 miles from West Dry Creek Road on south side of Chamise Ridge Road across from spur road to the north. (west of Geyserville) Comment
  UC549526  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 824 Sonoma McNamee's Store Comment
  UCR42304  Arctostaphylos viscida L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  CAS-BOT-BC47468  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ridge, north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek. Comment
  RSA13420  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  UC1388344  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1949-6-4 3217 Sonoma summit of ridge between Pine Flat and Big Sulphur Creek; North Coast Ranges 914 Comment
  SD99366  Aristolochia californica Christopher Davidson 1977-6-17 5975 Sonoma Sate Hwy #12, ca. 3 miles west of Guerneville, along Russian River. 14 Comment
Read comments Mar 18 2012
  SEINET7253522 Image available Armeria maritima subsp. californica W. L. Jepson 1931-1 15944 Sonoma Salmon Creek Comment
  CDA5448  Arnica discoidea D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .281 Sonoma Cavedale Rd. Comment
  CDA11042  Arnica discoidea G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 11422 Sonoma North Coast Biodiversity Arena; Cavedale Rd. 2.5 m. E of Hwy 12. Comment
  RSA0056430  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  CAS-BOT-BC175851  Artemisia douglasiana Peter Rubtzoff 1955-10-12 2164 Sonoma Duncans Mills Marsh. Comment
  SEINET258285  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10233 .1 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  CAS-BOT-BC368057  Arum italicum Greg de Nevers 1998-5-20 11254 Sonoma Mark West Creek on Cresta Ranch Comment
  CDA2629  Arum italicum L. M. Harwood Jan 1972 Sonoma 5420 Volkerts Road, near junction with Hessel Road, ca. 4 1/2 miles southeast of Sebastopol. 0 Comment
  CAS-BOT-BC400600  Asarum caudatum Volney Rattan 1877-5-16 s.n. Sonoma Guerneville Comment
  UCD160016  Asclepias cordifolia James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3293 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 miles west of Glenbrook and Bottle Rock Road. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS13274  Asclepias fascicularis Rimo Bacigalupi with G. T. Robbins 1955-7-14 5295 Sonoma 5.3 mi s El Verano junction (California State Highway 37, (El Verano Junction is 1 mi w ofr Schellville)) 3 Comment
  CAS-BOT-BC68783  Aspidotis densa Roxana S. Ferris; Laura Lorraine 1961-6-14 13523 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  JEPS128388  Aspidotis densa Roger Raiche 2000-4-23 045 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC376327  Asteraceae Greg de Nevers 1994-4-1 10517 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Cresta horse pasture 400 Comment
  POM253202  Astragalus breweri A. A. Heller, H. E. Brown 1902-4-4 7747 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC178662  Astragalus claranus John Thomas Howell 1931-4-19 6431 Sonoma Grassy meadow, 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa Comment
  RSA108729  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma 7 miles NE of Santa Rosa, near Alpine School 152 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-BC66146  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC66153  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UCD114253  Athysanus pusillus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  HSC6514  Athysanus pusillus R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1326 Sonoma 1 mi. NW of Big Geysers Comment
  UCR248507  Atriplex prostrata Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol 20 Comment
  SEINET10882908  Avena P. Rubtzoff 1972-5-25 Rubtzoff 6766 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC145729  Avena sativa David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road, 0.5 mile west of junction of Arnold Drive. 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-BC68341  Azolla filiculoides Peter Rubtzoff 1961-6-23 4653 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC154153  Baccharis douglasii Peter Rubtzoff 1974-8-4 7797 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC98648  Baccharis douglasii G. DeNevers 1981-7-11 1746 A Sonoma Pepperwood Ranch - at the big spring at the Skovie Comment
  CAS-BOT-BC173596  Barbarea Peter Rubtzoff 1989-4-20 9989 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD77421  Barbarea verna Robert E. Preston 1997-3-21 1020 Sonoma Petaluma, s side of Petaluma River, at railroad bridge 6 Comment
  CAS-BOT-BC145838  Beckmannia syzigachne Peter Rubtzoff 1961-6-25 4656 Sonoma Laguna de Santa Rosa near Trenton. Comment
  CAS-BOT-BC145843  Beckmannia syzigachne Peter Rubtzoff 1961-6-17 4630 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC145844  Beckmannia syzigachne Peter Rubtzoff 1958-5-10 3645 Sonoma Laguna de Santa Rosa east of Cunningham near Llano Road. Comment
  RSA227241  Beckmannia syzigachne Peter Rubtzoff 1958-5-10 3645 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  SBBG57110  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, SE of Santa Rosa Comment
  UC573779  Beckmannia syzigachne H. S. Yates 1937-6-5 6576 Sonoma near Wildwood; Santa Rosa Quadrangle 121 Comment
  CAS-BOT-BC106394  Bellis perennis George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC106395  Bellis perennis Alice S. M. McKenzie 1981-2-12 25 Sonoma Calif. State Hwy. 1 at marker #44.53 - Coast between Russian and Gualala Rivers 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-BC102052  Bidens cernua Peter Rubtzoff 1951-9-15 760 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  JEPS26041  Bidens frondosa Lewis S. Rose 1960-9-14 60092 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  UCR248962  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa, northeast of Gratton 24 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
  CAS-BOT-BC258028  Blennosperma bakeri Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  JEPS25829  Blennosperma bakeri Wayne Roderick 1961-4-2 Sonoma 0.8 mi n of junction of State Highway 37 and Arnold Drive; on the e side of Arnold Drive Comment
  JEPS3027  Blennosperma bakeri Milo S. Baker 1952-4-20 12401 Sonoma western outskirts of Sonoma, along 5th st betw. Bellencourt and McArthur Comment
  JEPS83485  Blennosperma bakeri Jack and Betty Guggolz 1986-3-14 856 Sonoma n of, w of Hwy 12, n side of Bonneau road Bonneau Comment
  CAS-BOT-BC105961  Blennosperma nanum var. nanum A. A. Heller; H. E. Brown 1902-3-14 s.n. Sonoma Near Windsor Comment
  UC1211922  Blennosperma nanum var. nanum John H. Weiler 1961-2-17 615 Sonoma 3.4 mi n of, along State Highway 12 Agua Caliente Comment
  UC727776  Blennosperma nanum var. nanum Milo S. Baker 1946-4-21 11335 Sonoma near, along S.R.-Sonoma Hiwy. Old Dunbar School Comment
  UC353927  Blennosperma nanum var. nanum Milo S. Baker 1928-3-24 2617 b Sonoma near, along Pacific Hiway Windsor Comment
  UCD167527  Boechera breweri James Neilson 1979-6-26 3978 Sonoma Mayacmas Mountains, Big Sulphur Creek drainage, Cadd Fire trail about 2.3 miles NW Contact Mine. (Notebook says 'Mt Baby Rocks' on crest of main ridge 2 mi n.w. Socrates Mine between Big and Little Sulphur Creek drainages. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC478115  Boisduvalia Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5. miles east of Guerneville Comment
  CAS-BOT-BC154957  Boisduvalia densiflora Peter Rubtzoff 1962-6-19 4919 Sonoma Occidental Marsh Comment
  SEINET12188875  Boisduvalia densiflora L. S. Rose 1938-1 38252 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC154977  Boisduvalia glabella Peter Rubtzoff 1963-7-14 5202 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC154866  Boisduvalia glabella Peter Rubtzoff 1964-8-26 5473 Sonoma 6.5 miles NE of Penngrove on Lichan Road 426 Comment
  CAS-BOT-BC154865  Boisduvalia stricta Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC28223  Bolboschoenus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma Guerneville Marsh. Comment
  SEINET11750918  Bolboschoenus glaucus W. Knight, Knight, I. 1990-1 6596 Sonoma Sonoma Mission Comment
  UC1100890  Bolboschoenus maritimus Herbert L. Mason and Verne Grant 1946-8-28 13076 B Sonoma Mouth of Tolay Creek. Comment
  UC56354  Bolboschoenus maritimus J. Burtt Davy 1897-9-19 4054 Sonoma Petaluma. Comment
  UCR250386  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1955-8-20 2083 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC31354  Bolboschoenus robustus Walter Knight; Irja Knight 1963-9-29 235 Sonoma Along Lakeville Highway under freeway overpass in salt water. Petaluma. Comment
  CDA19901  Boykinia occidentalis R. Gross 2002-6-11 s.n. Sonoma Northern California; Trout farm on NW side of Mt St Helena. 0 Comment
  CAS-BOT-BC145449  Brachypodium distachyon Mary P. Wells 1984-5-5 329 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  UC1130927  Brachypodium pinnatum R. C. Morehouse 1937-8-23 Sonoma 1 mi w of Bloomfield (George Jones Property) 30 Comment
  CAS-BOT-BC238186  Brassica napus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, across from entrance to the marine facility, along roadside Comment
  SEINET4182957 Image available Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma Hills north of Bodega. Comment
  UCD57170  Briza maxima N. F. Sommer 1954-5-15 82 Sonoma Along State Highway 12. 3.1 miles north of Freestone. 30 Comment
  UCD57371  Briza maxima C. H. Lamoureux 1957-4-7 1193 Sonoma 1 mile north of junction of State Highway 12 and Calistoga Road (which leaves Highway 12 3.5 miles east of Santa Rosa). Comment
  CAS-BOT-BC145295  Briza minor John H. Thomas 1976-6-16 18273 Sonoma Souther part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC145296  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of county line. Comment
  POM204989  Briza minor Michiner, Bioletti 1893-06 s.n. Sonoma Kenwood Comment
  CAS-BOT-BC145301  Briza minor Saichi Kawahara 1968-4-20 307 Sonoma 100 yards south of Cannon Lane, off Lakeville Road. 3 Comment
  SEINET3921320  Briza minor Mark Cary 1971-4-22 50 Sonoma Canyon Road, 8.2 miles west of Geyserville.; 0 Comment
  SEINET12044726  Brodiaea coronaria L. S. Rose 1932-1 32301 Sonoma Shellville Comment
  CHSC22979  Brodiaea elegans Robert A. Schlising; Lloy Thurman 1962-6-15 2309 Sonoma Scaggs Springs Road, 12 mi W Jct with Dutcher Creek Road. Comment
  CAS-BOT-BC484399  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6087 Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  CAS-BOT-BC486541  Brodiaea elegans subsp. elegans Peter Rubtzoff; Nancy Harrison 1976-6-18 8644 Sonoma False Lake Meadow area, Annadel State Park Comment
  UC963918  Brodiaea leptandra Milo S. Baker 1947-5-30 11771 Sonoma sw slope Hood Mt. (near house trail from Gray Ranch) Comment
  JEPS25733  Brodiaea stellaris Harry K. Roberts 1961-5-23 Sonoma about 1.75 mi ne Occidental (at top of grade, just w of County Dump, 1/4 to 1/2 mi w of type locality of Arctostaphylos Bakeri Eastw.); Harrison Grade 222 Comment
  UCD163100  Brodiaea stellaris Robert E. Preston 2014-5-17 2963 Sonoma 4.5 mi NNW of Cazadero. 190 Comment
  CAS-BOT-BC486527  Brodiaea stellaris Peter Rubtzoff 1957-5-26 3365 Sonoma Occidental Marsh Comment
  UCD77159  Brodiaea terrestris Robert E. Preston 2005-6-11 2350 Sonoma Irish Hill, along Coleman Valley Rd, ca. 1 mi E of Hwy 1. 208 Comment
  CAS-BOT-BC486459  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Nancy Harrison 1978-5-20 9183 Sonoma Cunningham Marsh area on north side of Blucher Creek valley. Comment
  CAS-BOT-BC487729  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1969-5-11 6041 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC311834  Bromus Peter Rubtzoff; Betty Lovell 1975-8-11 8315 Sonoma Kenwood Marsh. Comment
  UCSB50204  Bromus carinatus Gray, John 1976-5-1 Sonoma North Salmon Creek Beach T6N R11W 18 Comment
  UCD58255  Bromus carinatus R. Tofsrud 1948-1 s.n. Sonoma Alexander Valley. Comment
  CDA15741  Bromus carinatus var. carinatus G. F. Hrusa 1998-6-14 14593 Sonoma Knights Valley; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena. Serpentine interfingering with volcanic substrate, this apparently on both. Common, bunching. Comment
  UC1130977  Bromus carinatus var. carinatus H. S. Yates 1934-4-22 3838 Sonoma 3 mi e of Mark West 213 Comment
  UC1146636  Bromus carinatus var. maritimus Freed W. Hoffman 1944-7-1 1984 Sonoma North Coast Ranges, Bodega Bay Bodega Bay; North Coast Ranges, Bodega Bay Comment
  CAS-BOT-BC155955  Bromus commutatus John Thomas Howell 1947-6-26 23305 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC155956  Bromus commutatus R. E. Frenkel 1964-6-23 610 Sonoma On Seaview Road, 3.1 miles north of Fort Ross Road. 396 Comment
  CAS-BOT-BC332750  Bromus commutatus Peter Rubtzoff 1974-6-2 7525 Sonoma Upper Green Valley Marsh. Comment
  SD88313  Bromus commutatus D. F. Howe 1972-5-2 4817 Sonoma Duncan Mills Pond; trail above pond Comment
  CAS-BOT-BC155663  Bromus diandrus Mary P. Wells 1981-8-2 s.n. Sonoma On path to garden of Timber Ridge Road. The Sea Ranch. Comment
  UCD58587  Bromus diandrus Chris Bowen 1974-5-18 s.n. Sonoma Unit 24 Owner's Map. Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC155205  Bromus hordeaceus Peter Rubtzoff 1960-5-15 4318 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC155206  Bromus hordeaceus David L. Morgan 1961-5-17 s.n. Sonoma East of Cotati on Petaluma Hill Road near Cotati Avenue. Comment
  CAS-BOT-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
  UCSB50252  Bromus hordeaceus Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Breach (T6N, R11W) 18 Comment
  SEINET11690149  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6283 Sonoma NE corner Llano & Todd Roads 26 Comment
  UCD58820  Bromus hordeaceus var. leptostachys Gerry North 1993-4 24 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
  CAS-BOT-BC162389  Bromus laevipes G. DeNevers 1981-5-23 1291 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  UC37643  Bromus laevipes Michener and Bioletti 1893-6-10 112 Sonoma Hood's Peak Comment
  SBBG115760  Bromus laevipes B. Crampton 1953-5-19 1296 Sonoma ca. 10 mi W of Calistoga on St Hwy 128 Comment
  UCD95022  Bromus rubens Freed W. Hoffman 1942-5-3 2249 Sonoma North Coast Ranges. Oregon Canyon near Camp Meeker. Comment
  CAS-BOT-BC185402  Calamagrostis bolanderi Mary P. Wells 1985-10-4 677 Sonoma Along road in forest south of Gualala River. Comment
  RSA144400  Calamagrostis koelerioides Roxana S. Ferris, Laura Lorraine 1961-6-15 13563 Sonoma On Harrison Grade Road, 0.3 mi from Junction with Green Valley Road. Comment
  RSA126854  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma 2 miles N. E. of Freestone; Sebastapol. 122 Comment
  UC1146619  Calamagrostis nutkaensis Freed W. Hoffman 1941-7-27 2219 Sonoma Bodega Bay North Coast Ranges (coastal strand) Comment
  JEPS128372  Calamagrostis ophitidis Roger Raiche 1999-6-20 016 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC185119  Calamagrostis ophitidis Catherine Best 1983-4-16 s.n. Sonoma Along the Bohemian Highway about 5 miles north of Occidental. Comment
  UC903715  Calandrinia breweri Milo S. Baker 1947-4-22 11694 Sonoma McCatney Ranch Hood Mt. (w slope of mountain) 213 Comment
  RSA0015565  Callitriche heterophylla Peter Rubtzoff 1971-5-8 6450 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  RSA90503  Callitriche heterophylla subsp. bolanderi Leo Koch 1939-5-15 630 Sonoma Hamilt(a)on Ranch. 1 mile from Old Adobe. East of Petaluma. Comment
  UC17873  Callitriche heterophylla var. bolanderi F. T. Bioletti Apr 1893 Sonoma Kenwood Comment
  JEPS82299  Calochortus amabilis Roger Raiche 1983-6-19 30413 A Sonoma n of Cazadero (the Cedars, above middle fork of Red Slide Creek) 457 Comment
Read comments Oct 17 2013
  UC843631  Calochortus amabilis Mrs. Eliz. Parsons Hawver Jun 1915 Sonoma Skaggs Springs Comment
  UCR218647  Calochortus amabilis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16212 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC483278  Calochortus amabilis F. G. Krauss 1895-5-6 s.n. Sonoma Mountains near Franz Valley Comment
  CAS-BOT-BC483289  Calochortus amabilis R. F. Hoover 1965-6-29 9478 Sonoma Graton-Occidental Road Comment
  UCD139529  Calochortus luteus Frederica Bowcutt 1994-6-12 1850 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail 75 yards N of Sonoma Creek. 411 Comment
  POM169582  Calochortus luteus Michener, F. T. Bioletti 1893-05 s.n. Sonoma Los Guilicos Comment
  UC423014  Calochortus nudus Milo S. Baker Jul 1897 166 Sonoma Mayfield Road, Anderson's Sheep camp Comment
Read comments Feb 12 2015
  CAS-BOT-BC32344  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma North of Cazadero, The Cedars, headwaters of Big Austin Crk. near Laton Mine 256 Comment
  JEPS83743  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma n Cazadero (sw-facing serpentine slope); The Cedars, Red Slide Creek (central branch) Comment
Read comments Aug 2 2012
  UC1876234  Calycadenia fremontii Gerald D. Carr 1971-8-17 640 Sonoma The Geysers. 487 Comment
  RSA255487  Calycadenia multiglandulosa subsp. cephalotes Gerald D. Carr 1971-7-6 577 Sonoma Jct. of Facienda Lane and Occidental Road. Comment
  RSA93402  Calycadenia multiglandulosa subsp. cephalotes Milo S. Baker 1932-6-9 6000 Sonoma 1 mile east of Occidental Comment
  UCD129826  Calycadenia pauciflora Gerald D. Carr 1972-3-20 688 Sonoma 2.0 miles north of Highway 128 on Ida Clayton Road, south-facing serpentine slope. 487 Comment
  CAS-BOT-BC272755  Calycadenia truncata subsp. truncata Walter Knight; Irja Knight 1963-9-15 293 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC272756  Calycadenia truncata subsp. truncata John Thomas Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  SEINET5626851 Image available Calycanthus Unknown 1893-1 1103 (C.W. Fallass). Sonoma Hoods Peak Comment
  CAS-BOT-BC90990  Calycanthus occidentalis Peter Rubtzoff 1960-6-10 4492 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC90999  Calycanthus occidentalis Greg de Nevers 1994-4-26 10521 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In headwaters of Franz Creek near Mountain House. 457 Comment
  CAS-BOT-BC91005  Calycanthus occidentalis Mrs. H. C. Cantelow 1934-4-29 485 Sonoma Dry Creek. Comment
  CAS-BOT-BC91007  Calycanthus occidentalis Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis. Comment
  JEPS40306  Calycanthus occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville (Russian River); Russian River Comment
  POM149134  Calycanthus occidentalis Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  POM194538  Calycanthus occidentalis Y. Mexia 1929-6-2 2397 Sonoma Near Santa Rosa. Comment
  RSA22257  Calycanthus occidentalis Blanche Clear 1938-5-28 s.n. Sonoma Geyserville toward Alexander Valley. Comment
  RSA271933  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UC400137  Calycanthus occidentalis Ynes Mexia 1929-6-2 2397 Sonoma near Santa Rosa Comment
  SEINET215198  Calystegia Jay P. Smith 1968-4-28 7 Sonoma Bodega Bay south of Bodega Head 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
  JEPS111396  Calystegia purpurata subsp. purpurata Jack and Betty Guggolz 1997-6-23 1533 Sonoma North side of Kelly Road from one mile to two miles west of the Rockpile Road crossing 550 Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  SEINET3885514  Camassia quamash Keller, McDowell 1940-5-15 s.n. Sonoma Bennett Mountain. Mer. Boise.; 0 1219 Comment
  SEINET12192836  Camissonia cheiranthifolia Unknown 1978-1 298 Sonoma Bodega Bay at Doran Park campground Comment
  POM31995  Camissonia strigulosa A. A. Heller, H. E. Brown 1902-5-27 5613 Sonoma Bodega Bay. Comment
  CAS-BOT-BC160370  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Walter Knight; Irja Knight 1963-8-13 160 Sonoma Horseshoe Cove Comment
  UC1176931  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Joanne Taylor 1941-7-3 23 Sonoma Bodega Head 30 Comment
  UC172320  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Katharine Brandegee 1905-1 Sonoma Bodega Comment
  JEPS6118  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma w slope Hood Mt. (at top of Rose Butte); Rose Butte 243 Comment
  JEPS19404  Campanula californica G. Thomas Robbins 1938-6-23 269 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  UC1101477  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  JEPS120457  Campanula californica Daniel Slakey 2013-8-11 64 Sonoma Salt Point State Park. Growing along an unmapped road in northern section of the park (north of Kruse Rhododendron Preserve) that is no open to the public. Where this road intersects Highway 1, there is an old Wells Fargo building in ruins. Comment
  SEINET10463919  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma ANAPOLIS Comment
  UCR23658  Campanula prenanthoides John C. Roos 1957-7-2 s.n. Sonoma Miller Ridge Comment
  OBI4431  Campsis radicans Robert J. Rodin 1968-9-9 8333 Sonoma On an old house in the contry on Ely Rd near Washington Blvd, Petaluma Comment
  CAS-BOT-BC37774  Cardamine californica Peter Rubtzoff 1953-5-18 1408 Sonoma South of Guerneville (Neeley Hill area). 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
  JEPS46177  Cardamine californica var. integrifolia Eleanor Armstrong 1933-4-2 698 Sonoma Camp Meeker 30 Comment
  JEPS128328  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-2-7 006 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC384861  Cardionema ramosissimum Alice Eastwood 1915-6-29 4816 Sonoma Bodega Point Comment
  RSA784715  Cardionema ramosissimum Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-7-3 164 Sonoma Westside Rd, Bodega bay area Comment
  UCD85586  Carduus pycnocephalus Gerry North 1993-4 43 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
  CAS-BOT-BC281768  Carduus pycnocephalus Peter Rubtzoff 1951-7-21 480 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  CDA6866  Carduus pycnocephalus J. T. Howell, Alice Eastwood 1938-5-15 5505 Sonoma Near Mark West Springs. 0 Comment
  SEINET10799431  Carduus pycnocephalus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20709 Sonoma Coll. 5.3 mi. E of the Jc t. of Hwy. 101 and Hwy. 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  SEINET11843447  Carduus pycnocephalus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -160 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 Comment
  UCD85585  Carduus pycnocephalus Peta Lewis 1967-5-13 13 Sonoma ca. 2 miles east on River Road, 3 miles north of Guerneville. 22 Comment
  CDA37138  Carduus tenuiflorus Chris Heintzelman 2012-4-13 PDR# 1596520 Sonoma East side of Sunset Rock in Goat Rock State Park, 2 miles south of Jenner. 0 Comment
  CAS-BOT-BC376270  Carex Greg de Nevers 1993-3-10 10324 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In the Bald Hills 304 Comment
  UCD161772  Carex James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR280168  Carex Peter Rubtzoff, Nancy Harrison 1978-6-11 9213 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  CAS-BOT-BC18139  Carex athrostachya Peter Rubtzoff 1957-5-26 3361 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC18144  Carex athrostachya Peter Rubtzoff 1958-7-5 3743 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC320583  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  UCR208521  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC19364  Carex barbarae John Thomas Howell; J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  UCR249345  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC310297  Carex barbarae Peter Rubtzoff 1970-6-14 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  CAS-BOT-BC19569  Carex bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mile from junction with Bodgea Highway. Comment
  UC728661  Carex buxbaumii Milo S. Baker 1945-6-18 11109 Sonoma upper meadow, Pitkin Marsh Pitkin Marsh Comment
  CAS-BOT-BC34423  Carex cusickii Peter Rubtzoff 1951-7-14 434 Sonoma Pitkin Marsh near Forestville. Southern half of Lower Marsh. Comment
  RSA0034194  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC18978  Carex densa John Thomas Howell 1947-6-5 23236 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC20486  Carex densa Peter Rubtzoff 1951-7-7 369 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh. Comment
  CAS-BOT-BC20493  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Sonoma County Marshes. Fife Creek Marsh. Comment
  CAS-BOT-BC20513  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Sonoma County Marshes. Guerneville Marsh. 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
  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
  UCD112411  Carex densa Peter Rubtzoff 1957-5-11 3328 Sonoma Occidental Marsh. 1310 Comment
  UCR208522  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh Comment
Read comments Feb 21 2013
  CAS-BOT-BC20502  Carex densa Peter Rubtzoff 1962-6-1 4862 Sonoma Sonoma County Marshes. Upper Freestone Marsh. Comment
  CAS-BOT-BC20508  Carex densa Peter Rubtzoff 1958-4-26 3603 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastopol. Comment
  POM248596  Carex dudleyi J. T. Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  RSA94279  Carex dudleyi Peter Rubtzoff 1951-6-16 245 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
  UCR248968  Carex exsiccata Peter Rubtzoff 1960-5-20 4396 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCR250041  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncan Mills Marsh, lower portion of marsh 2 Comment
  CAS-BOT-BC19952  Carex exsiccata John Thomas Howell; J. W. Stacey 1937-6-6 13026 Sonoma Sebastopol. Comment
  SEINET10650312  Carex exsiccata A. Arthur Heller 1902-7-1 Heller 5798 Sonoma Lagoon at Scbastopol. Comment
  SEINET10652787  Carex festiva Henry N. Bolander Bolander 3868 Sonoma Meadow on Russian River. Comment
  CAS-BOT-BC320586  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC20448  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  CAS-BOT-BC20442  Carex globosa Charles Piper Smith 1908-4-3 1391 Sonoma The Pacific Slope. Guerneville, 3 miles east along the road to Forestville. Comment
  CAS-BOT-BC32474  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  CAS-BOT-BC146597  Carex gynodynama John Thomas Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC146614  Carex gynodynama A. A. Heller 1903-4-23 6605 Sonoma Fort Ross Comment
  JEPS121153  Carex gynodynama Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18592 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  CAS-BOT-BC312678  Carex gynodynama Peter Rubtzoff 1971-6-25 s.n. Sonoma Off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek Crossing Comment
  RSA0023075  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC21904  Carex harfordii Peter Rubtzoff 1960-5-16 4355 Sonoma Duncan Mills Marsh. In upper portion of the marsh. Comment
  CAS-BOT-BC419698  Carex hendersonii Peter Rubtzoff 1960-5-16 4360 Sonoma Duncans Mills Marsh. Comment
  UCR249356  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncan Mills Marsh 2 Comment
  SEINET10647589  Carex hookeriana A. Arthur Heller 1902-4-17 Heller 5324 Sonoma Santa Rosa. 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
  RSA94271  Carex lemmonii Peter Rubtzoff 1951-6-30 297 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  UCR249078  Carex leptopoda Peter Rubtzoff 1964-5-20 5323 Sonoma Bodega Bay Marsh 15 Comment
  UCD140690  Carex nudata Beecher Crampton 1956-4-24 3311 Sonoma 7.5 miles northwest of Calistoga. Comment
  CAS-BOT-BC119314  Carex obnupta Peter Rubtzoff 1951-8-4 582 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  CAS-BOT-BC290546  Carex obnupta Peter Rubtzoff 1964-7-29 5445 Sonoma Brooks Gulch Marsh. Comment
  RSA0034043  Carex obnupta Peter Rubtzoff 1964-7-29 5445 Sonoma Brooks Gulch Marsh. Comment
  UCD150841  Carex obnupta Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UCR250034  Carex obnupta Peter Rubtzoff 1964-7-29 5445 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  UCR250039  Carex obnupta Peter Rubtzoff 1970-10-3 6413 Sonoma Central Coast, Marsh off the west side of Hwy 1, 0.7 mi. SE of Salmon Creek 30 Comment
  CAS-BOT-BC119313  Carex obnupta James Moffitt 1936-5-9 s.n. Sonoma 1/2 mi E of coast, 4 mi S of mouth of Gualala River. Comment
  RSA0025198  Carex obnupta Peter Rubtzoff 1954-6-19 1494 Sonoma Guerneville Marsh. Comment
  RSA0025208  Carex obnupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  RSA758133  Carex ovalis Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  JEPS117098  Carex pachystachya Peter Warner 2010-7-7 170 Sonoma Jenner Headlands, Middle Pasture, ~ 565 m, S 223 deg W of residence house Comment
  UC904999  Carex praegracilis John Thomas Howell 1947-6-26 23295 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC331479  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR248927  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh 120 Comment
  RSA0000226  Carex sonomensis J. T. Howell, J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh. Comment
  RSA0000227  Carex sonomensis J. T. Howell, J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC329283  Carex stipata Peter Rubtzoff 1960-6-9 4483 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  UC846  Carex subbracteata H. N. Bolander April 1864 3868 Sonoma Russian River Comment
  UCR248925  Carex subbracteata Peter Rubtzoff 1955-5-14 1842 Sonoma Austin Creek Marsh 15 Comment
  RSA0022361  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh. Comment
  UCD140870  Carex subbracteata P. G. Connors 1991-4-11 103 Sonoma Bodega Head and Dunes. Beside Lab road. BMR 0730N, 4200E Comment
  CAS-BOT-BC115827  Carex subfusca Bolander 3867 Sonoma Russian River Comment
  CAS-BOT-BC329284  Carex tumulicola Peter Rubtzoff 1954-8-2 1620 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC281918  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma N side of Valley Ford Rd, 6 miles W of Petaluma Comment
  CDA20441  Carthamus lanatus R. Gross 2002-9-19 s.n. Sonoma North Coast Ranges; Lichau Rd, near Fairfield Osborn Preserve. 0 Comment
  CDA7006  Carthamus leucocaulos G. D. Barbe, T. C. Fuller 1972-6-28 951 Sonoma Approximately 1 mile west of U.S. 101 freeway, Asti. 0 Comment
  RSA664100  Carthamus tinctorius J. C. Roos, L. Roos 1956-9-2 6599 Sonoma Healdsburg dump Comment
  JEPS22230  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 Comment
  UCD122116  Castilleja ambigua subsp. ambigua Frederica Bowcutt 1984-6-23 449 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, about 1/2 mile north of Gerstle Cove. 15 Comment
  JEPS77867  Castilleja attenuata Robert M. Lloyd 1965-5-8 3630 Sonoma 3 mi n Highway 12 junction with Agua Caliente Road (on Highway 12, across from Lawrence Triangle End Garage) Comment
  UC76116  Castilleja densiflora subsp. densiflora Milo S. Baker 1898-4-23 623 Sonoma near Melita Comment
  SBBG7042  Castilleja exserta subsp. exserta H. and M. Dearing 1939-5-14 3364 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD122506  Castilleja foliolosa G. E. Kerley 1966-4-3 66- 19 Sonoma Trinity Road, 7.3 miles southwest of Oakville. 304 Comment
  SD131915  Castilleja franciscana L. R. Heckard 1964-6-12 1384 Sonoma On SE facing slope back from the ocean in Russian Gulchnear point where highway loops backwestward (about 2I(c) miles N of mouth of Russian River) 91 Comment
  SD62057  Castilleja franciscana Darley F. Howe 1965-8-3 Sonoma 2.4 miles east of Bodega Bay on Highway #1. Comment
  JEPS15179  Castilleja rubicundula subsp. lithospermoides H. S. Yates 1934-4-22 3840 Sonoma near Burke; Calistoga Quad. 60 Comment
  SEINET7067225  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. Comment
  UC1301201  Castilleja rubicundula subsp. lithospermoides Helen K. Sharsmith 1962-6-3 5118 Sonoma between Calistoga and Santa Rosa (on Calistoga Road); San Francisco Bay Region 91 Comment
  CHSC1708  Castilleja subinclusa subsp. franciscana 1947-3-31 Sonoma Bodega. 60 Comment
  UC353922  Castilleja subinclusa subsp. franciscana Milo S. Baker 1928-3-24 2721 a Sonoma 5 mi w Healdsburg (Martin Ranch) Comment
  JEPS116517  Castilleja subinclusa subsp. franciscana Peter Warner 2009-6-3 103 Sonoma Poff Ranch, Wright Hill Road E about 1 mi off State Hwy 1, in grassland 50 m ESE of main (west) gate 250 Comment
  JEPS60455  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6693 Sonoma 3.9 mi n Jenner (on Highway 1) Comment
  JEPS60457  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6696 Sonoma about 1 mi s Stewart's Point Comment
  UC1341743  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-6 2647 Sonoma just n Ocean View Comment
  UC26494  Castilleja wightii Harley P. Chandler 1900-5-25 710 Sonoma Bodega Bay Comment
  CAS-BOT-BC47803  Ceanothus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC1614516  Ceanothus Charles M. Belshaw 1936-3-8 1579 Sonoma 3.14 mi. n. Annadel (n.w. of Kenwood) Comment
  UC70418  Ceanothus Milo S. Baker May 1899 Sonoma near Occidental Comment
  CAS-BOT-BC48518  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  CAS-BOT-BC48521  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range east of Santa Rosa Comment
  UC449694  Ceanothus confusus Milo S. Baker 1898-3-2 704 Sonoma Santa Rosa Comment
  CAS-BOT-BC48512  Ceanothus confusus Milo S. Baker 1927-7-3 2332 a Sonoma Cobb Mt. Comment
  RSA0005478  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  UCSB21172  Ceanothus confusus McMinn, H. 1944-11-5 Sonoma Rincon Ridge 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
  SBBG119966  Ceanothus divergens A. Howald 2007-4-2 2458 Sonoma Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 275 Comment
  LA43583  Ceanothus foliosus Henry Reents; 1936-5-23 sn Sonoma ne of Santa Rosa Comment
  RSA25702  Ceanothus foliosus Carl B. Wolf 1941-7-17 11021 Sonoma N coast range, Trinity Mt. 1/8 miles W of summit of grade 610 Comment
  SEINET12210606  Ceanothus foliosus W. Knight, Knight, I. 1981-1 3978 Sonoma 5.8 mi up Cavedale Road from jct of state rt.12 Comment
  CAS-BOT-BC64418  Ceanothus foliosus subsp. vineatus John Thomas Howell 1945-5-30 20912 Sonoma Vine Hill School. Topotype. Comment
  CAS-BOT-BC64421  Ceanothus foliosus subsp. vineatus Milo S. Baker 1946-4-29 11355 Sonoma Vine Hill region along College Ave. hwy. Comment
  CAS-BOT-BC49905  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1963-8-23 189 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood Comment
  CAS-BOT-BC49907  Ceanothus foliosus var. foliosus E. Ruckert 1960-4-17 104 Sonoma Trinite Road, 1/2 mile east of Highway 12 304 Comment
  RSA25831  Ceanothus foliosus var. vineatus Carl B. Wolf 1941-7-17 11023 Sonoma 100 yards west of the Vine Hill School, Vine Hills Dist. north of Sebastapol. 46 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
  UC1084442  Ceanothus foliosus var. vineatus G. Thomas Robbins 1940-3-22 302 Sonoma ca. 8.5 mi. w. Santa Rosa (along Guerneville rd., Vine Hill region); Vine Hill region Comment
  CAS-BOT-BC49998  Ceanothus gloriosus Milo S. Baker 1935-4-1 8028 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UCR131683  Ceanothus gloriosus subsp. exaltatus C. B. Wolf 1941-7-30 11108 Sonoma along coast, 8.5 miles south of Stewarts Point at entrance to Salt Point Ranch 30 Comment
  CAS-BOT-BC32736  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 miles W of Santa Rosa Comment
  HSC101102  Ceanothus gloriosus var. exaltatus Peter Warner 2011-8-12 231 Sonoma Jenner Headlands, mid-upper Jenner Gulch watershed, ridgetop, about 1.6 km N42 deg. E fr. cottage on Willig Extension 322 Comment
  UCD112175  Ceanothus incanus Collector unknown Date unknown s.n. Sonoma southeastern part of county. Comment
  RSA276845  Ceanothus integerrimus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  UCD111962  Ceanothus integerrimus Beecher Crampton 1954-4-26 1795 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CAS-BOT-BC50644  Ceanothus jepsonii Roxana S. Ferris; Laura Lorraine 1961-6-15 13567 Sonoma Harrison Grade 1.3 mi. from junction with Green Valley Road Comment
  CAS-BOT-BC51116  Ceanothus jepsonii Walter Knight; Irja Knight 1963-12-27 454 Sonoma Pine Flat Rd. - Circle 8 Ranch Comment
  RSA130886  Ceanothus jepsonii E. K. Balls 1958-7-21 23586 Sonoma Edges of forest, Mixed Evergreen Forest, near Bohemian Grove, on road from Hwy 12 to Camp Meeker. 46 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-BC51131  Ceanothus jepsonii var. albiflorus Marie Kelly 1958-4-1 s.n. Sonoma In northern Sonoma Co. SE. of McDonald 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
  UCD160147  Ceanothus oliganthus var. sorediatus James A. Neilson Jr. 1974-4-24 2717 Sonoma Mayacmas Mountains, Squaw Creek drainage, at site of geothermal well Ottoboni 17. (Exact location of Ottoboni 17 unknown; this record is georeferenced along Ottoboni Ridge Road in The Geysers; elevation estimated by label-maker). 967 Comment
  CAS-BOT-BC51892  Ceanothus parryi A. A. Heller; H. E. Brown 1902-4-22 5337 Sonoma Between Santa Rosa and Agua Caliente Comment
  JEPS25143  Ceanothus parryi G. Thomas Robbins 1959-5-16 4013 Sonoma on Spring Mtn Road between Calistoga Road and Sonoma-Napa County line (along upper Mark West Creek, Mayacamas Mts.); Mayacamas Mts., along upper Mark West Creek 426 Comment
  UC73364  Ceanothus parryi Milo S. Baker May, 1899 Sonoma near Occidental; Green Valley Comment
  UCD112491  Ceanothus parryi Beecher Crampton 1955-6-17 2933 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  UCD170336  Ceanothus parryi D. O. Burge 2016-11-3 2195 Sonoma Mount Saint Helena, roadside on Ida Clayton Road. 600 Comment
  LA44884  Ceanothus parryi Henry Reents; 1936-4-4 sn Sonoma Along Rutherford Rd., 2 mi. E. of Glen Ellen Comment
  SDSU10296  Ceanothus parvifolius D. F. Howe 1972-4-28 4811 Sonoma Trinity Road, Mt. Hood Range. 396 Comment
  CDA11975  Ceanothus sonomensis G. F. Hrusa, R. Gross 1995-11-8 12468 Sonoma North Coast Biodiversity Arena; Steep volcanic ridge facing W on N side of Adobe Canyon Rd. Ash and basalt mixed here, these plants in dense Adenostoma chaparral on basalt. Comment
  CHSC114356  Ceanothus sonomensis D. G. Kelch; Ed Biffin 2010-5-30 10 .193B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 71 Comment
  JEPS97530  Ceanothus sonomensis R. D. Stone 1985-3-8 651 Sonoma along unpaved road S of Trinity Road and W of cul-de-sac on Manzanita Lane Mt. Veeder (approx 2.5 airmiles WNW of) Comment
  CAS-BOT-BC52394  Ceanothus velutinus Bell Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC277162  Centaurea melitensis Mary P. Wells 1984-5-24 292 Sonoma Annadel State Park, Santa Rosa Comment
  UCD130101  Centaurea solstitialis Gerry North 1993-4 28 Sonoma Sugarloaf Ridge State Park. About 40 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. 60 meters south of vista point at old slide, northeast side of road. 335 Comment
  CAS-BOT-BC279399  Centromadia pungens subsp. pungens H. M. Hall 1931-10-6 13264 Sonoma West of Petaluma Comment
  RSA785923  Centromadia pungens subsp. pungens Peter Rubtzoff 1970-5-30 6252 Sonoma 5 mi. north of Sears Point. Comment
  RSA177949  Cerastium glomeratum R. F. Thorne 1965-4-20 34322 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  UC1026472  Cerastium glomeratum Peter Rubtzoff 1952-5-10 1012 Sonoma Pitkin Marsh near Forestville (lower part of Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC388433  Cerastium glomeratum D. E. Breedlove 1980-6-27 44746 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC388434  Cerastium glomeratum Alice Eastwood 1921-4-24 10382 Sonoma Santa Rosa Comment
  UCSB1851  Cerastium glomeratum Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna Rd. and College Rd. on Laguna Rd.; 5.1 miles north of Sebastopo; in Vinehill region Comment
  SEINET176827  Cercocarpus betuloides John T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  UCD113023  Cercocarpus betuloides K. Evan 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC279781  Chamaemelum fuscatum Jerry Parsons 1983-3-26 25 Sonoma 1/2 m off Highway 101, S of City of Santa Rosa Comment
  UCD159761  Cheilanthes intertexta James A. Neilson Jr. 1975-1-24 3131 Sonoma Mayacmas Mountains; Alder Creek drainage, 200 yards south of county line near jeep road. Dominichelli Ranch. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC166671  Chenopodium Peter Rubtzoff 1971-8-9 6639 Sonoma Laguna, Chileno Valley. Comment
  UCD165780  Chenopodium Peter Rubtzoff 1972-7-22 6831 Sonoma Laguna, Chileno Valley. Comment
  UC1563922  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-BC499262  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  SEINET3992037  Chlorogalum pomeridianum Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15089 Sonoma In chaparral, 2 miles North of Geyserville Comment
  CDA33563  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313481 Sonoma Petaluma; Hwy 116/Lakeville Rd & Hwy 101. 0 Comment
  SEINET7067238  Chorizanthe cuspidata var. villosa A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  CAS-BOT-BC257027  Chorizanthe membranacea Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  JEPS86335  Chorizanthe membranacea Jack and Betty Guggolz 1988-6-13 947 Sonoma on the ne side of Pine Flat Road 7.2 mi from its junction with Highway 128 Comment
  CAS-BOT-BC368060  Chorizanthe polygonoides Greg de Nevers 1998-5-26 11258 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  CHSC297  Chrysanthemum segetum 1952-7-15 Sonoma Coastal. 30 Comment
  CAS-BOT-BC173549  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma Hillside marsh above Shell Beach in Sonoma Coast State Beach area. Comment
  CAS-BOT-BC290570  Cirsium Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  UC178903  Cirsium brevistylum Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  UCD130503  Cirsium brevistylum Terri Williamson 1990-5-20 53 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  OBI16749  Cirsium douglasii var. douglasii Robert F. Hoover 1966-7-17 9914 Sonoma Sausal Crk N of Alexander Valley Comment
  CAS-BOT-BC280005  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4504 Sonoma 6 miles north of Bodega Bay Comment
  CAS-BOT-BC285705  Cirsium occidentale var. occidentale John Thomas Howell 1930-6-8 5251 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC285706  Cirsium occidentale var. occidentale Joseph Andorfer Ewan 1935-5-12 9221 Sonoma Bodega Bay road 2 mi. W. of Bodega Comment
  CAS-BOT-BC280364  Cirsium occidentale var. venustum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC1195664  Cirsium occidentale var. venustum A. R. Kruckeberg 1947-6-15 1499 Sonoma ca 1/2 mi above Maacamas Creek bridge (on Hwy 28, w end Knights Valley); Knights Valley Comment
  CAS-BOT-BC280363  Cirsium occidentale var. venustum Blanche Clear 1938-5-28 s.n. Sonoma Hillside between Geyserville & Alexander Valley Comment
  CAS-BOT-BC280531  Cirsium quercetorum John Thomas Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay Comment
  RSA0070859  Cirsium quercetorum J. T. Howell 1938-7-3 13953 Sonoma Stony Point. Comment
  CAS-BOT-BC285749  Cirsium remotifolium John Thomas Howell 1936-7-26 12664 Sonoma 2 1/2 miles from Camp Meeker on road to Monte Rio Comment
  CAS-BOT-BC371461  Cirsium remotifolium var. odontolepis Greg de Nevers 1989-6-10 9080 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. East side of Horse Hill. 400 Comment
  JEPS79729  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  UC91788  Cirsium remotifolium var. odontolepis K. Brandegee 1886-4-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC285897  Cirsium vulgare Mary P. Wells 1981-7-2 s.n. Sonoma Off end of Galleon's Reach, The Sea Ranch Comment
  RSA800600  Citrullus lanatus Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC162609  Clarkia Peter Rubtzoff 1969-8-14 6138 Sonoma East-facing slope of Salmon Creek Canyon ca. 1/2 mi. upstream from Hwy. #1 Comment
  UC20293  Clarkia amoena Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UCD104026  Clarkia amoena Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 49 Sonoma Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  JEPS43699  Clarkia amoena Milo S. Baker 1923-7-30 141 Sonoma near Frederickson's-Iagua; North Coast Comment
  SDSU8655  Clarkia amoena D. F. Howe 1965-8-3 4098 Sonoma 2.4 miles east of Bodega Bay on #1. Comment
  UC113992  Clarkia amoena Katharine Brandegee 1908-7-22 Sonoma Burbank's Garden Santa Rosa Comment
  CAS-BOT-BC161052  Clarkia amoena subsp. amoena P. A. Munz 1936-8-8 14311 Sonoma Coast 5 mi. north of Jenner Comment
  RSA0059971  Clarkia amoena subsp. amoena Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  SEINET4143367  Clarkia amoena subsp. amoena K. Brandegee s.n. Sonoma Bodega Bay Comment
  UC1072012  Clarkia amoena subsp. huntiana H. and M. Lewis 1947-6-15 435 Sonoma 5.7 mi s Fort Ross Historical Monument (Highway 1) Comment
  SEINET4085089  Clarkia breweri O. M. Clark 1932-1 5292 -A Sonoma North Petaluma. Comment
  CAS-BOT-BC172208  Clarkia concinna C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC172212  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  CAS-BOT-BC172220  Clarkia concinna F. F. Wood 1918-4-25 s.n. Sonoma Cazadero Comment
  UC73322  Clarkia concinna subsp. concinna Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  UCR222559  Clarkia concinna subsp. concinna George K. Helmkamp, E. A. Helmkamp 2010-6-5 16242 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
  SBBG4971  Clarkia gracilis H. and M. Dearing 1939-5-14 3344 Sonoma near Healdsburg Comment
  UCD104538  Clarkia gracilis Botany 102 Students 1993-5-8 274 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  CAS-BOT-BC163134  Clarkia gracilis subsp. sonomensis Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC163148  Clarkia gracilis subsp. sonomensis Alice Eastwood 1915-6-5 4592 Sonoma Petrified Forest Comment
  JEPS43542  Clarkia gracilis subsp. sonomensis W. L. Jepson 1921-6-2 9296 Sonoma near Healdsburg (Calhoun Ranch); Russian River 30 Comment
  CAS-BOT-BC163133  Clarkia gracilis subsp. sonomensis Doris K. Kildale 1929-7-14 8459 Sonoma Trail up Klamath River to Blue Creek 152 Comment
  POM153267  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma Sonoma - Santa Rosa Hwy, 5.5 miles S of Santa Rosa. 32 Comment
  UCD70268  Clarkia gracilis subsp. sonomensis D. Sanchez-Mata 1998-7-12 s.n. Sonoma Alderglen Springs-Cloverdale. 320 Comment
  LA30762  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13692 Sonoma at 4551 Vine Hill Road, near Pitkin Marsh Comment
  RSA108400  Clarkia imbricata Harlan Lewis, M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville; 6230 Vine Hill road Comment
  RSA0007460  Clarkia imbricata Milo S. Baker 1928-6-28 3195 Sonoma Pitkin Ranch between house and Pitkin marsh Comment
  UCD104865  Clarkia purpurea Michelle Mahoney 1965-5-23 s.n. Sonoma On Old Fire Road off Highway 116 in Hacienda Park. 91 Comment
  JEPS43596  Clarkia unguiculata E. Ferguson 1919-6-11 228 Sonoma near Guerneville Comment
  UCD100618  Claytonia exigua Brian Parry 1993-4-17 46 Sonoma Adobe Canyon N of Sugarloaf Ridge. 426 Comment
  SDSU9780  Claytonia exigua subsp. exigua D. F. Howe 1963-5-23 3532 Sonoma 4 miles north of Cloverdale on #128. 335 Comment
  POM164088  Claytonia gypsophiloides A. A. Heller, H. E. Brown 1902-3-16 4611 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC443681  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1931-4-2 6040 Sonoma Kenwood Comment
  RSA464447  Claytonia sibirica Anstruther Davidson 1931-05 3664 Sonoma Sonoma County (No data on label Comment
  UCD160878  Clematis lasiantha James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3257 Sonoma Mayacmas Mountains, ca. 1/2 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET12091841  Clematis lasiantha F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -101 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC92749  Clematis ligusticifolia Peter Rubtzoff 1970-8-31 6349 Sonoma Along bank of Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  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
  UC26654  Collinsia sparsiflora var. arvensis Mrs. Ward 1891-1 Sonoma Kenwood Comment
  UC1238965  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-16 828 Sonoma near Guerneville (Road to Austin Ranch, headwaters of Fife Creek, North Coast Ranges); North Coast Ranges, headwaters of Fife Creek Comment
  JEPS34516  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma on way to Rincon Valley St. Helena (near summit of Spring Mtn Rd); North Coast Ranges 609 Comment
  SD6974  Collinsia tinctoria Michener, Bioletti 1892-7-4 1666 a Sonoma Shagg's Springs Comment
Read comments Jun 10 2012
  CAS-BOT-BC506653  Collomia heterophylla Ann Howald 2015-4-28 3373 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 11.5 mi W of jct with Rockpile Rd, Warm Springs drainage 408 Comment
  SEINET12332731  Collomia heterophylla W. Irja, Knight, T. 1985-1 5147 Sonoma Annapolis on Kelly Road Comment
  UCD127322  Conium maculatum Andreas Stohr 1996-5-19 27 Sonoma Roadside near to Pine Grove. 6 miles west of Petaluma. 100 Comment
  JEPS62601  Cordylanthus maritimus subsp. palustris T. I. Chuang with Fei-Mei Chuang 1970-7-26 6838 Sonoma U. C.. Biological Reserve w of Bodega Bay Comment
  CAS-BOT-BC376304  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At top of Telegraph Hill. 400 Comment
  JEPS6812  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1933-8-1 16549 Sonoma Agua Caliente Comment
  RSA185771  Cordylanthus pilosus subsp. pilosus Roxana S. Ferris, Laura Lorraine 1962-9-30 13594 Sonoma Upper Harrison Grade immediately beyond the Cupressus sargentii area. Comment
  JEPS82263  Cordylanthus pringlei Roger Raiche 1983-8-6 30586 Sonoma near old mine buildings (headwaters of creek); Austin Creek, The Cedars, Laton Mine Comment
  JEPS33010  Cordylanthus tenuis subsp. brunneus Freed W. Hoffman 1947-8-4 1421 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  JEPS6736  Cordylanthus tenuis subsp. brunneus W. L. Jepson 1893-9-23 21348 Sonoma Mt. St. Helena Comment
  RSA114161  Cordylanthus tenuis subsp. brunneus Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  UC1239009  Cordylanthus tenuis subsp. brunneus Freed W. Hoffman 1947-8-4 1421 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  UCD151307  Cordylanthus tenuis subsp. brunneus James A. Neilson Jr. 1974-7-31 2863 Sonoma Mayacmas Mountains. North of Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC238237  Cordylanthus tenuis subsp. capillaris Walter Knight; Irja Knight 1963-8-13 175 Sonoma Harrison Grade, near Occidental at county dump rd. Comment
  OBI9576  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-1 Sonoma Comment
  UC1044679  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  CAS-BOT-BC101572  Corethrogyne filaginifolia Mary P. Wells 1981-7-2 s.n. Sonoma Unit 35A near Leeward Road, The Sea Ranch Comment
  CAS-BOT-BC212285  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC212286  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA94342  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh. Comment
  CAS-BOT-BC210441  Cornus sericea John Thomas Howell 1937-6-6 13036 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC212154  Cornus sericea Dorothy Scherer 1996-3-16 004 Sonoma West of hwy 1, north side of Kolmer Gulch, Fort Ross State Historic Park 7 Comment
  UCR244499  Coronopus didymus Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh [near Guerneville] Comment
  CAS-BOT-BC376394  Cotoneaster Greg de Nevers 1994-3-26 10518 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  CAS-BOT-BC173677  Cotula coronopifolia Peter Rubtzoff 1962-10-9 5106 Sonoma Brooks Gulch Marsh Comment
  RSA790515  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC427655  Crassula aquatica Peter Rubtzoff 1972-4-23 6729 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC427656  Crassula aquatica Peter Rubtzoff 1966-6-5 5755 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC427918  Crassula connata Catherine Best 1987-3-28 1238 Sonoma Bodega Head Comment
  RSA0073843  Crassula solieri Reid V. Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  CDA25820  Crataegus douglasii R. Key 1971-7-2 Sonoma W. W. Winkler property, Green Valley School Road, Sebastopol. 0 Comment
  CAS-BOT-BC143513  Crataegus gaylussacia Peter Rubtzoff 1973-10-10 7344 Sonoma (Tributary of Americano Creek) 2 mi. west of Bloomfield Comment
  CDA4432  Crepis capillaris T. C. Fuller 1966-6-2 14859 Sonoma East limits of Bodega. 0 Comment
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  CAS-BOT-BC366890  Crypsis schoenoides Greg de Nevers 1997-9-29 11098 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC190107  Crypsis schoenoides Catherine Best 1981-10-18 s.n. Sonoma On the shore of a small lake on Staetz Lane 3M northeast of Occidental. Comment
  CAS-BOT-BC190183  Crypsis vaginiflora Peter Rubtzoff 1971-9-30 6708 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC190184  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  UCD60004  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  UC79410  Cryptantha flaccida Dr. Edward Palmer Sonoma Sonoma Comment
  UC662541  Cryptantha leiocarpa Milo S. Baker 1934-6-1 7704 Sonoma Wrights Beach Comment
  SEINET10569437  Cupressus William H. Brewer 1861-11-9 Brewer s.n. 1861 Sonoma Near the little Geysers Comment
  JEPS108593  Cupressus goveniana subsp. pygmaea R. Raiche 1986-11-9 60585 Sonoma Pygmy Forest Trail, Salt Point State Park 182 Comment
  SEINET10531470  Cupressus macnabiana Carl B. Wolf, E. R. Johnson 1934-10-18 Wolf 2154 Sonoma Head of Hooker Canyon, 4 7/10 mi E of Sonoma-Kenwood Road. Upper sonoran:- Chaparral. Sun. Open ridge in porous gray volcanic rock. 550 Comment
  CAS-BOT-BC85429  Cupressus sargentii W. Knight; Irja Knight 1964-11-15 799 Sonoma Hood's Peak - N.W. edge of meadow above Johnson Dam Comment
  NY16824  Cupressus sargentii C. B. Wolf 1934-10-13 6183 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA17611  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-13 6184 Sonoma Coys Ranch, about 2 miles from Occidental 91 Comment
  JEPS120456  Cuscuta Daniel Slakey 2013-8-11 62 Sonoma Salt Point State Park, just north of the parking area at Salt Point. Comment
  UCD125761  Cuscuta californica var. californica Frederica Bowcutt 1997-7-19 2193 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.75 air miles S of Red Mountain, 0.5 miles NNW of confluence of the Malmf., 1.0 air miles WSW of Brushy Peaks. 457 Comment
  JEPS128271  Cymopterus terebinthinus var. californicus Roger Raiche 2000-4-7 020 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1131374  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  HSC3637  Cynoglossum grande R. F. Good 1962-4-19 29 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  CAS-BOT-BC190473  Cynosurus echinatus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53954 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-BC190474  Cynosurus echinatus Roxana S. Ferris; Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  UCD160966  Cynosurus echinatus James A. Neilson Jr. 1975-7-8 3416 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD60140  Cynosurus echinatus Gerry North 1993-4 47 Sonoma Flora of Sugarloaf Ridge State Park. Ca. 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. At first pullout on right after Goodspeed trailhead, less that 0.2 mile east of park entrance gate. 243 Comment
  UCR121479  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2000-6-18 5699 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  UCR248900  Cynosurus echinatus Peter Rubtzoff 1972-5-25 6765 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  RSA0025132  Cyperus niger Peter Rubtzoff 1970-7-17 6290 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC113913  Cyperus niger var. capitatus Peter Rubtzoff 1959-8-30 4242 Sonoma Drake's Beach, near Guerneville. Open, wet gravelly margin of Russian River. Comment
  CAS-BOT-BC113914  Cyperus niger var. capitatus Peter Rubtzoff 1958-8-23 3902 Sonoma Laguna de Santa Rosa E of Cunningham (nr. Llamo Road). Comment
  UC4442  Cypripedium montanum Brewer 1866-4 4829 Sonoma Cloverdale Comment
  SEINET12078101  Cypripedium montanum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -257 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC189848  Dactylis glomerata Mary P. Wells 1984-5-24 299 Sonoma Annadel State Park (near Santa Rosa). Comment
  UC1023585  Dactylis glomerata Virginia Bufford 1935-5-24 67 Sonoma Santa Rosa Comment
  CAS-BOT-BC445553  Damasonium californicum Peter Rubtzoff 1966-5-29 5731 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC445554  Damasonium californicum Peter Rubtzoff 1965-6-20 5559 Sonoma Petaluma Creek 4 mi. northwest of Petaluma (on Stony Point Rd). Comment
  CAS-BOT-BC445555  Damasonium californicum Peter Rubtzoff 1961-5-24 4606 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC445556  Damasonium californicum Peter Rubtzoff 1958-7-26 3808 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC210134  Danthonia californica Peter Rubtzoff 1958-5-10 3642 Sonoma Laguna de Santa Rosa east of Cunningham, near the Llano road crossing. Comment
  UCD148397  Danthonia californica Peter Rubtzoff 1957-5-11 3345 Sonoma Occidental Marsh. Comment
  UCD151305  Danthonia californica James A. Neilson Jr. 1974-7-25 3050 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  UCD60307  Danthonia californica R. Tofsrud 1941-5-1 28 Sonoma Behind old Santa Rosa Cemetery. Comment
  UCD60467  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD61013  Danthonia californica R. Tofsrud 1948-5-9 Sonoma Old Santa Rosa cemetery, Santa Rosa. Comment
  UCR280018  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  SBBG115622  Danthonia californica B. Crampton 1964-5-12 6952 Sonoma ca. 14 mi NW of Calistoga on St Hwy 128, jct with Chalk Hill Rd Comment
  UC1023587  Danthonia californica Virginia Bufford 1936-5-14 282 Sonoma Sonoma Mt. Rd. about 10 mi from Santa Rosa Comment
  CAS-BOT-BC154137  Datura Peter Rubtzoff 1958-8-30 3937 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  UC76181  Datura stramonium Miss M. Alice King May, 1897 Sonoma near Healdsburg (Dry Creek); Dry Creek Comment
  UC405403  Deinandra corymbosa P. B. Kennedy 1914-10-1 Sonoma Comment
  SD134023  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural [preserve, 3500 Franz Valley Road, Santa Rosa. 99 Comment
  UC906499  Delphinium Elizebeth Armstrong 1931-4 Sonoma ranch near Santa Rosa Comment
  CAS-BOT-BC9016  Delphinium decorum Ella D. Cantelow 1940-4-6 4274 Sonoma W of Bodega on Larkspur Rock Comment
  UC70363  Delphinium hesperium Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  CAS-BOT-BC10006  Delphinium hesperium A. T. Graff 1925-5-20 S.N. Sonoma Trosphers, Cazadero Comment
  UC118585  Delphinium hesperium subsp. hesperium Michener and Bioletti 1892-5-30 932 a Sonoma Hood's Peak Comment
Read comments Jun 5 2007
  UC188634  Delphinium hesperium subsp. hesperium Michener and Bioletti May 1893 Sonoma Kenwood Comment
Read comments Jun 5 2007
  CAS-BOT-BC10127  Delphinium luteum Mary Hallett 1925-3-2 s.n. Sonoma Graton Comment
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  UC1542887  Delphinium nudicaule H. E. and S. T. Parks 1930-5-10 839 Sonoma Knights Valley 152 Comment
  UCD68044  Dendromecon rigida Linda Martin 1976-5-29 4 Sonoma On Trinity Road, 2.4 miles West of junction with Highway 12. Found in a chaparral plant association, dominated by madrone and fir, on the roadside, in full sunlight, on stoney loose soil. A perennial woody shrub with shredding white bark, 1.5 m high. Flowers, yellow. Comment
  CAS-BOT-BC11001  Dendromecon rigida subsp. rigida J. Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield along the road to Oakville. On the Youngman Ranch. 213 Comment
  UC1146614  Deschampsia cespitosa subsp. holciformis Freed W. Hoffman 1943-5-9 2204 Sonoma Bodega Park North Coast Ranges, Sonoma Coast, Bodega Park Comment
  CAS-BOT-BC201645  Deschampsia danthonioides G. DeNevers; S. Kaza 1981-5-7 978 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC201650  Deschampsia danthonioides J. W. Congdon 1880-5-6 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC201644  Deschampsia danthonioides G. DeNevers 1982-5-17 2015 Sonoma 50 m E of Pippindale Pond Comment
  CAS-BOT-BC201646  Deschampsia danthonioides G. DeNevers 1981-5-14 1155 Sonoma Top of Horse Hill near the Water Tank Comment
  CAS-BOT-BC201957  Deschampsia elongata K. Wagnon 1939-5-14 198 Sonoma Along lane running through lower part of Wagnon Ranch, 5 miles west of Sebastopol Comment
  UC53519  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma near Guerneville Guerneville Comment
  UCD63896  Desmazeria rigida Leo Koch 1940-5-19 964 Sonoma Backyard of Hattie Residence, 349 Second St., Santa Rosa. Comment
  CAS-BOT-BC208928  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1902-8-1 569 Sonoma The Geysers Comment
  SEINET10960759  Dichanthelium acuminatum subsp. thermale John H. Redfield 1872-8-27 Redfield 9792 Sonoma Geyser Springs. 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
  CAS-BOT-BC502221  Dichelostemma capitatum Volney Rattan 1903-1-1 s.n. Sonoma UPCRR Comment
  UCD166483  Dichelostemma capitatum Peter Rubtzoff 1963-5-26 5145 Sonoma Bennett Mountain Lake. Comment
  HSC3074  Dichelostemma capitatum subsp. capitatum S. N. Wiemeyer 1962-4-20 19 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD139158  Dichelostemma congestum Frederica Bowcutt 1996-5-24 2170 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek and below confluence of Malm Fork. Along Meadow Trail. 381 Comment
  CAS-BOT-BC500685  Dichelostemma pulchellum Peter H. Raven 1955-4-23 8281 Sonoma 2 mi SE of Bennett Mt. Comment
  CAS-BOT-BC376299  Digitalis purpurea Greg de Nevers 1992-6-26 10190 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC183610  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  RSA788366  Digitaria Peter Rubtzoff 1971-8-31 6664 Sonoma Todd Road near Stony Point Road 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-BC209115  Digitaria sanguinalis G. DeNevers 1981-6-20 1652 B Sonoma Along Franz Valley Road, N side of main hill at bottom of hill, Pepperwood Ranch. Comment
  CAS-BOT-BC209116  Digitaria sanguinalis John Thomas Howell 1957-9-26 32981 Sonoma Sandy Russian River bottom near Guerneville. Comment
  RSA0051275  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon. 100 Comment
  CAS-BOT-BC152045  Diplacus aurantiacus F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -076 Sonoma Ca 4.0 mi. NNW of Sonoma on Cavedale road from junction with CA hwy 12, ca. 0.4 mi N on Cavedale Road from junction. 106 Comment
  CAS-BOT-BC151752  Diplacus kelloggii Elmer I. Applegate 1934-3-25 8857 Sonoma Head waters of Sulphur Creek, west slope of Mayamaca Mountains Comment
  CAS-BOT-BC323167  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just south of Highway 116. Comment
  SEINET10662294  Distichlis spicata P. Rubtzoff 1955-8-20 Rubtzoff 2065 Sonoma Bodega Harbor Marsh. Comment
  SEINET10564424  Distichlis spicata var. stricta George B. Van Schaack 1957-9-5 Van Schaack 3609 Sonoma In soft sand of salt marsh. Thick stand with Salicornia spp. Bodega Bay. Comment
  UC73554  Dodecatheon hendersonii Milo S. Baker 1898-4 734 Sonoma ne Santa Rosa; ne of Santa Rosa Comment
  UCD160145  Dodecatheon hendersonii James A. Neilson Jr. 1974-4-16 3158 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 975 Comment
  UC890656  Downingia concolor var. concolor Alice Eastwood 1921-4-24 10327 Sonoma Santa Rosa Comment
  JEPS108503  Downingia concolor var. concolor Lisa Schultheis with Tony Morosco 1995-5-31 187 -95 Sonoma NW Santa Rosa. W side of Pinter Rd., near Waltzer Rd. Comment
  JEPS108518  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 152 -95 Sonoma NW of Petaluma. Valley Ford Road, N of Walker Road. Comment
  JEPS54476  Drosera rotundifolia Rimo Bacigalupi 1967-8-30 9313 Sonoma near eastern end of Templeman Road (se of Forestville); Pitkin Marsh 45 Comment
  CAS-BOT-BC71015  Dryopteris arguta D. E. Breedlove 1980-6-28 44813 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC71017  Dryopteris arguta A. A. Heller 1902-3-18 5095 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UCR143604  Dudleya G. F. Pratt, C. Pierce 2003-6-12 s.n. Sonoma Pacific Coast, Salt Point State Park 12 Comment
  SEINET7067251  Dudleya caespitosa A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  SEINET12216915  Dudleya cymosa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -207 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 800 Comment
  CAS-BOT-BC213758  Dudleya eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC428378  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  SEINET1909911  Dysphania botrys Barbara Ertter 1988-1 8029 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  SD131828  Dysphania pumilio Barbara Eritter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, Point below Little Flat parking area W of bridge, steep bare banks left by receding water. 152 Comment
  CAS-BOT-BC210133  Echinochloa Peter Rubtzoff 1973-9-4 7296 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC208554  Echinochloa crus-galli Lewis S. Rose 1956-8-20 56148 Sonoma San Antonio Creek, Highway 101 3 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
  UCD61074  Echinochloa muricata P. B. Kennedy 1925-8-4 Sonoma Petaluma. Comment
  CAS-BOT-BC113729  Eleocharis acicularis Peter Rubtzoff 1955-7-31 2009 Sonoma Forestville Marsh. Comment
  SJSU5984  Eleocharis acicularis C. W. Sharsmith 1972-6-24 7797 Sonoma Forestville Marsh c, 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  CAS-BOT-BC269290  Eleocharis macrostachya Peter Rubtzoff 1976-5-30 8563 Sonoma Kenwood Marsh. Comment
  UCR42318  Elymus elymoides L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 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
  SEINET239008  Elymus glaucus P. G. Connors 1990-5-25 19 Sonoma Bodega Marine Station below BMR 0500N 4100E. Comment
  LA14814  Elymus glaucus H. S. Yates; 1937-6-5 6574 Sonoma 3 mi SE of Wildmont 121 Comment
  CAS-BOT-BC203715  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-10 1229 B Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203716  Elymus glaucus subsp. glaucus Greg de Nevers 1990-5-16 9669 A Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. North of the big rocks near the Red Corral 457 Comment
  UC1146607  Elymus glaucus subsp. virescens Freed W. Hoffman 1943-5-19 2199 Sonoma Russian Gulch North Coast Ranges, Sonoma Coast (cliffs) Comment
  CAS-BOT-BC235230  Elymus multisetus G. DeNevers 1981-7-1 1723 Sonoma Pepperwood Ranch. On the slope W of the Goat Pen in the Garrison Canyon Comment
  UC188891  Elymus multisetus J. Burtt Davy and W. C. Blasdale 1899-7-22 6007 Sonoma Austin Creek Comment
  UC1011028  Elymus trachycaulus Virginia Bufford 1936-5-20 343 Sonoma 3 mi from Mark West (Kellogg Mark West Rd.) Comment
  JEPS87224  Emmenanthe penduliflora Jack and Betty Guggolz 1992-5-17 1299 Sonoma On the up side of the Anderson Trail (The west side of the Black Mountain east of Geyserville). 585 Comment
  UCR244511  Epilobium campestre Peter Rubtzoff 1962-7-6 4976 Sonoma Coast Range, Laguna de Santa Rosa near Trenton Road [south of Woolsey Road] 21 Comment
  CAS-BOT-BC166619  Epilobium canum subsp. canum John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  CAS-BOT-BC268054  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1692 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC290550  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh. Comment
  UC582992  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-7 14307 Sonoma six mi n Bodega (edge of road) Comment
  UCD35654  Epilobium ciliatum subsp. ciliatum Beecher Crampton 1959-6-16 5387 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  RSA800033  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1524 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  CAS-BOT-BC268074  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1958-8-23 3914 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC268073  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-13 1715 Sonoma Bodega Head Marsh. Comment
  RSA0015638  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh. Comment
  UC454591  Epilobium densiflorum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  RSA94098  Epilobium hallianum J. T. Howell 1947-6-26 23290 Sonoma Cunningham Marsh. Comment
  JEPS128200  Epilobium minutum Roger Raiche 2000-5-4 068 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD55326  Epilobium torreyi Ellen Dean 2006-6-28 3170 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  JEPS128318  Epipactis gigantea Roger Raiche 2000-5-28 121 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  UC4493  Epipactis gigantea F. T. Bioletti 1892-7-5 Sonoma Comment
  CAS-BOT-BC210086  Equisetum Peter Rubtzoff 1964-8-20 5462 Sonoma Americano Creek area, Petaluma-Valley Ford roadside near Bloomfield. Comment
  CAS-BOT-BC210085  Equisetum Peter Rubtzoff 1963-8-17 5237 Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57037  Equisetum arvense Peter Rubtzoff 1954-6-6 1467 Sonoma Guerneville Marsh Comment
  UCR255026  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  RSA784474  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  UCD135453  Equisetum laevigatum Christine Lee 1993-4-24 105 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 0.25 miles from Brushy Creek fork. 396 Comment
  CAS-BOT-BC57653  Equisetum telmateia A. A. Heller; H. E. Brown 1902-3-27 5161 Sonoma Western Base of Mt. Hood Comment
  UCD135649  Equisetum telmateia subsp. braunii Charles B. Heiser Jr. 1946-4-14 1729 Sonoma Russian River, 3 miles west of Duncan Mills. Comment
  RSA216112  Equisetum telmateia var. braunii Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh. Comment
  RSA0023076  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  RSA0023077  Eragrostis Peter Rubtzoff 1965-8-16 5600 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CAS-BOT-BC182758  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC366888  Eragrostis mexicana subsp. virescens Greg de Nevers 1997-9-29 11096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCD148327  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1954-7-3 1517 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC312702  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1973-8-20 7237 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164045  Erechtites glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC291172  Erechtites glomeratus Mary P. Wells 1985-5-26 494 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC164641  Erechtites minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa, east of Cunningham near Llano Road). Comment
  CAS-BOT-BC164662  Erechtites minimus Peter Rubtzoff 1955-9-24 2150 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC291250  Erechtites minimus Walter Knight; Irja Knight 1963-9-3 256 Sonoma Wiggins Hill Comment
  SD40106  Ericameria ericoides subsp. ericoides Edith A. Purer 1932-7-24 Sonoma Bodega Bay Comment
  UC1557906  Erigeron glaucus J. Semple, S. Heard 1986-8-20 8571 Sonoma CA-1, between Jenner and Bodega Bay (edge of bluffs) Comment
  UC1299254  Erigeron greenei Freed W. Hoffman 1947-9-5 1249 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  RSA94309  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  OBI39519  Eriodictyon californicum F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -075 Sonoma ca. 4 mi NNW of Sonoma on Caveldale rd from jctn with CA hwy 12; ca. 0.4 mi N on Cavedale rd from jctn 107 Comment
  CAS-BOT-BC259253  Eriogonum latifolium John H. Thomas 1976-6-15 18301 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC259254  Eriogonum latifolium Mary P. Wells 1981-7-2 s.n. Sonoma Bihler's Point, The Sea Ranch Comment
  CAS-BOT-BC259268  Eriogonum latifolium C. L. Hitchcock; J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC259475  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  CAS-BOT-BC259476  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  CAS-BOT-BC259468  Eriogonum luteolum Catherine Best 1981-8-23 s.n. Sonoma Stoetz Lane, 2 m. east of Occidental Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC269748  Eriogonum nudum var. oblongifolium J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC262389  Eriogonum vimineum G. DeNevers 1981-5-23 1268 Sonoma Pepperwood Ranch. Along Franz Valley Road. Bottom of Road on SW side Comment
  UCD131466  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1994-6-25 1919 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/4 mi. from Gray Pine Trail. 670 Comment
  CAS-BOT-BC301157  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  UC507059  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-20 E 25 Sonoma 3.5 mi from Healdsburg (between Santa Rosa and) Comment
  CAS-BOT-BC301160  Eriophyllum lanatum var. achilleoides G. DeNevers 1981-5-23 1258 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC301295  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  CAS-BOT-BC301296  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  UC632733  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma 4 mi w of Healdssburg (Jenson Ranch, at head of Dohrman Creek); Jensen Ranch Comment
  POM256520  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma Jansen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  RSA695688  Eriophyllum staechadifolium J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  CDA34792  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UCD103125  Erodium brachycarpum John Thomas Howell 1965-3-25 s.n. Sonoma Southwest of Sonoma. Comment
  CDA34797  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. 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
  UCD167023  Eryngium aristulatum James Neilson 1981-8-21 4043 Sonoma Mayacmas Mountains. Abril property, 1/4 mi. east of headwaters of Truit Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  POM259750  Eryngium aristulatum var. aristulatum J. T. Howell 1933-4-1 10927 Sonoma 3 miles northeast of Petaluma Comment
  SBBG5184  Eryngium armatum H. and M. Dearing 1939-5-14 3355 Sonoma bluffs above the sea, Bodega State Park [Bodega Dunes State Beach] Comment
  SD88504  Eryngium armatum Darley F. Howe 1972-6-27 Sonoma Near Pitkin Marsh. Comment
  CAS-BOT-BC54764  Erysimum franciscanum Catherine Best 1981-5-2 s.n. Sonoma South side of the mouth of the Russian RIver. Comment
  SEINET14196771  Erythranthe bicolor K. Brandegee 1905-6-8 s.n. Sonoma Between Santa Rosa and Sebastopol. Comment
  CAS-BOT-BC153623  Erythranthe inodora Peter Rubtzoff 1955-7-9 1945 Sonoma Forestville Marsh Comment
  CAS-BOT-BC153624  Erythranthe inodora Peter Rubtzoff 1955-7-9 1934 Sonoma Forestville Marsh Comment
  CHSC22331  Erythranthe microphylla Robert A. Schlising 1962-3-31 2124 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  CAS-BOT-BC133297  Erythronium helenae F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -199 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road 800 Comment
  UC112924  Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  UCR265104  Eschscholzia californica Ann Howald 2015-4-1 3336 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 18.3 miles west of intersection with Rockpile Rd, Wolf Creek drainage 131 Comment
  UCR44930  Eschscholzia californica L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  SD124796  Eschscholzia californica L. F. La Pre 1986-7-29 Sonoma Socrates Mine, ca. 9.0 miles eastnortheast of Geysserville. 914 Comment
  UCD95275  Eschscholzia californica Valerie Bullock 1993-5-8 245 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail at base of grassy hill. 365 Comment
  JEPS22971  Euonymus occidentalis var. occidentalis Harry K. Roberts 1959-5-18 Sonoma n.w. Sebastopol (Louis Giovanni ranch, first canyon s. of ranch house); Green Valley, Louis Giovanni ranch Comment
  CAS-BOT-BC202541  Euphorbia Peter Rubtzoff 1987-10-17 9877 Sonoma Russian River ca. 6 miles east of Guerneville Comment
  UCR275240  Euphorbia Peter Rubtzoff 1971-7-23 6610 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  CAS-BOT-BC540835  Euphorbia Peter Rubtzoff 1969-9-21 6185 Sonoma Russian River bottom; Forest Hills, 5.5 mi E of Guerneville Comment
  CAS-BOT-BC540836  Euphorbia Peter Rubtzoff 1970-9-2 6359 Sonoma Mirabel Park; Russian River bottom Comment
  JEPS117122  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128 ~3.03 mi. (fr. N) at turnout on E side of road at metal gate, in adjacent disturbed grassland and across road, about 2 miles NW of Cloverdale. Comment
Read comments Jul 7 2017
  JEPS117124  Euphorbia oblongata Peter Warner 2010-5-6 142 Sonoma Annadel State Park, North Burma Trail, ~500 m W of junction with Richardson Trail; along trail and downslope Comment
  CDA4869  Euphorbia oblongata T. C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive, Highway 116, just north of culvert no. 45.19, ca. 7 km. south of El Verano. 0 Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CAS-BOT-BC310743  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC354322  Euthamia occidentalis Peter Rubtzoff 1960-9-17 4560 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  UCR255678  Euthamia occidentalis Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 366 Comment
  UCR255671  Festuca arundinacea Greg de Nevers 1998-6-10 11276 Sonoma North Coast Range, Modini Mayacamas Preserves; Pine Flat Road, near end of town of Pine Flat 91 Comment
  RSA0056426  Festuca arundinacea Greg de Nevers 1998-6-10 11276 Sonoma Modini Mayacama Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  RSA123477  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma 2 miles north of County Farm. 244 Comment
  UCD151131  Festuca idahoensis James A. Neilson Jr. 1973-6-6 2976 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  CAS-BOT-BC278883  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point - Annapolis Comment
  CAS-BOT-BC278884  Festuca occidentalis Catherine Best 1981-6-5 s.n. Sonoma About 6 miles east of Stewarts Point on Skaggs Springs Rd. Comment
  UCD151089  Festuca occidentalis James A. Neilson Jr. 1973-6-3 2960 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
  UCD33234  Festuca roemeri Beecher Crampton 1967-5-15 7930 Sonoma Lytton. Comment
  UCD66272  Festuca roemeri A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3569 Sonoma 9.1 miles northwest of Santa Rosa. Comment
  UCD66328  Festuca rubra P. B. Kennedy 1918-5-28 Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  CAS-BOT-BC354069  Filago Peter Rubtzoff 1963-5-26 5131 Sonoma Bennett Mountain Lake. Comment
  SEINET181249  Filago gallica Bassett Maguire, R Maguire; Maguire 1934-6-7 15312 Sonoma 2 mi N of Kellogg Comment
  UCD16109  Fragaria chiloensis I. Coats 1983-5-17 26 Sonoma California. Sonoma County: Hwy 1, 4.3 mi N of the entrance to Salt Point State Park. 21 Comment
  CAS-BOT-BC53276  Frangula californica subsp. californica Peter Rubtzoff 1957-6-28 3377 Sonoma Duncans Mills Marsh Comment
  UCSB22888  Frangula californica subsp. californica Von Grafen, Helen 1928-8-20 Sonoma No data Comment
  CAS-BOT-BC218578  Fraxinus latifolia J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield Comment
  HSC16191  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa 122 Comment
  POM130974  Fraxinus latifolia W. A. Setchell 1897-6-16 s.n. Sonoma Western Middle California: Casadero [Cazadero]. Comment
Read comments Dec 31 2015
  SBBG33950  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Crk NE of Santa Rosa 121 Comment
  SJSU5729  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Cr, NE of Santa Rosa 121 Comment
  UC1299213  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1950-5-24 3591 Sonoma The Island, head of Devil Creek, a branch of East Austin Creek head of Devil Creek; North Coast Ranges, head of Devil Creek Comment
  SEINET11993687  Fremontodendron californicum subsp. napense Unknown 1984-1 RR 40133 Sonoma N of Guerneville Morrison Ridge above Gilliam Creek, Austin Creek Recreational Area 183 Comment
  UCD139713  Fritillaria affinis UC Davis Botany 102 Students 1993-4-17 48 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sugarloaf Ridge. Near group campground. Comment
  CAS-BOT-BC130358  Fritillaria liliacea J. W. Congdon 1880-4-3 s.n. Sonoma Petaluma Comment
  JEPS83496  Fritillaria liliacea Jack and Betty Guggolz 1986-3-16 859 Sonoma California Comment
  UC72490  Fritillaria recurva Milo S. Baker 1902-3-27 Sonoma Hood's Peak Comment
  RSA304275  Fritillaria recurva James R. Shevock 1972-3-28 1485 Sonoma Highway 128, north of Cloverdale 91 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
  JEPS111397  Galium andrewsii subsp. andrewsii Jack and Betty Guggolz 1997-5-31 1521 Sonoma South Pine Flat 683 Comment
  RSA276856  Galium aparine Peter Rubtzoff 1964-7-7 5395 Sonoma Duncan Mills Marsh. Comment
  UCD121675  Galium aparine Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 033 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET12271023  Galium divaricatum Unknown 1940-1 1014 Sonoma behind Fountaingrove Vneyard 3 mi N of Santa Rosa along Hwy 101 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
  CAS-BOT-BC303506  Gamochaeta ustulata David D. Keck; J. Clausen 1935-6-15 3370 Sonoma 1 mile N of Salmon Creek, N of mouth of Salmon Creek Comment
  JEPS34031  Gamochaeta ustulata W. L. Jepson 1931-7-19 15943 Sonoma just n Salmon Creek mouth Comment
  CAS-BOT-BC303505  Gamochaeta ustulata J. H. Thomas 1976-6-16 18274 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  RSA790994  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC278687  Gastridium phleoides L. Koch 1938-6-12 312 Sonoma Barbour Home. Ranch four mi. n. of Santa Rosa along Redwood Hgwy. Comment
  CAS-BOT-BC278693  Gastridium phleoides Peter Rubtzoff 1961-8-22 4692 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC278694  Gastridium phleoides Peter Rubtzoff 1962-9-16 5091 Sonoma Vacation Beach, 1.5 mi. below Guerneville Comment
  RSA0022353  Gastridium phleoides Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park. Comment
  UC38571  Gastridium ventricosum A. B. Leckenby July 1896 Sonoma Petaluma Comment
  UCR248754  Gastridium ventricosum Peter Rubtzoff 1970-8-19 6334 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero 38 Comment
  CAS-BOT-BC193255  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road 182 Comment
  CAS-BOT-BC193256  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road. 182 Comment
  UCD105735  Genista monspessulana D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 760 Comment
  UC1191687  Gentiana sceptrum Herbert L. Mason 1946-7-4 12891 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  UC353939  Gentiana sceptrum Milo S. Baker 3045 a Sonoma Pitkin Swamp Comment
  SEINET12183465  Geranium dissectum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -180 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UCSB50217  Geranium dissectum Gray, John 1976-5-1 Sonoma Bluff above Blind Beach; 1/2mile west of Highway 1; T7N RllW 60 Comment
  UCD117702  Gilia capitata subsp. chamissonis Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC226171  Gilia capitata subsp. tomentosa A. A. Heller 1940-5-17 15631 Sonoma Immediately east of Bodega Bay on State Highway #1 Comment
  UC931985  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8596 Sonoma on Sebastopol - Bodega Bay road 2.6 mi e Bodega; e of Bodega on Sebastopol - Bodega Bay road Comment
  CAS-BOT-BC225468  Gilia millefoliata Alice Eastwood 1901-7-4 s,.n. Sonoma Bodega Point Comment
  UC750799  Gilia millefoliata Charles B. Heiser Jr. with J. Davidson 1946-4-14 1734 Sonoma in depression on head Bodega Head Comment
  NY336870  Gilia pallida A. A. Heller 1902-6-23 5739 Sonoma Petrified Forest Comment
  SEINET7075497  Gilia tricolor subsp. diffusa A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UCD117975  Gilia tricolor subsp. tricolor Frederica Bowcutt; Adam Green 1994-5-21 1799 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, about 10 air miles east of Santa Rosa, about 1.5 air miles north of Kenwood, about 18 air miles NW of Napa. Along meadow trail approx. 0.25 mile from trailhead. 396 Comment
  UCD117977  Gilia tricolor subsp. tricolor Christine Lee 1993-4-24 106 Sonoma about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, about 2.5 air miles north of Kenwood, about 18 air miles NW of Napa. N of Sonoma Creek about 25 meters. 396 Comment
  SEINET10906071  Githopsis specularioides Frederic T. Bioletti 1892-5-15 Bioletti s.n. Sonoma Comment
  SEINET10972190  Githopsis specularioides A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5308 Sonoma Fields east of Santa Rosa 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
  SEINET10717791  Glyceria P. Rubtzoff 1968-8-24 Rubtzoff 5935 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC282822  Glyceria X occidentalis Greg de Nevers 1992-6-16 10161 Sonoma Weimar Pond, 3450 Franz Valley RoadPepperwood Ranch Natural Preserve 304 Comment
  CAS-BOT-BC282729  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma South of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282810  Glyceria leptostachya Peter Rubtzoff 1960-6-5 4433 Sonoma Laguna de Santa Rosa area northeast of Graton near the Laguna Road, Sonoma County Marshes 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
  RSA796404  Glyceria striata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  UC15279  Glycyrrhiza lepidota J. Burtt Davy 1896-7-22 4142 Sonoma near Russian River station Comment
  CAS-BOT-BC303853  Gnaphalium F. G. Krauss 1893-10-4 s.n. Sonoma Krauss Ranch, 5 miles W of Calistoga 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-BC166779  Gnaphalium chilense Peter Rubtzoff 1955-8-20 2061 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC166790  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC176132  Gnaphalium palustre Peter Rubtzoff 1955-8-27 2098 Sonoma Bennett Mountain Lake. Comment
  RSA94307  Gnaphalium palustre Peter Rubtzoff 1951-8-19 655 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  UC32020  Gnaphalium palustre F. T. Bioletti Jul 1891 Sonoma Comment
  UCR280127  Grindelia camporum Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa, east of Graton 23 Comment
  CAS-BOT-BC305183  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305184  Grindelia hirsutula L. R. Abrams 1916-7-4 5784 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC305197  Grindelia hirsutula John Thomas Howell 1929-6-30 4318 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  JEPS41926  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  JEPS87229  Grindelia hirsutula Jack and Betty Guggolz 1992-8-29 1342 Sonoma two mi nnw Camp Meeker 195 Comment
  UC1784138  Grindelia hirsutula Ethel Crum 1930-1 735 Sonoma Petaluma Comment
  UC32148  Grindelia hirsutula Michener and Bioletti June 1893 Sonoma Glen Ellen 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-BC282870  Hainardia cylindrica Peter Rubtzoff 1963-7-27 5218 Sonoma Lower Salmon Creek Marsh Comment
  UC38767  Hainardia cylindrica A. B. Leckenby July, 1896 Sonoma Petaluma Comment
  SEINET11842303  Haplopappus arborescens W. Knight, Knight, I. 1984-1 5052 Sonoma 2.0 up Cavedale Rd from Hwy 12 [sic] Comment
  CDA34788  Hedera helix Peter Warner 2010-2-28 109 Sonoma Sweetwater Springs Rd., 4.7 mi. W of Westside Rd.; in redwood stand immediately along S road edge. Comment
  CAS-BOT-BC306325  Hedypnois cretica G. DeNevers 1981-5-26 1330 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC306326  Hedypnois cretica G. DeNevers 1981-4-23 782 Sonoma Pepperwood Ranch. Pippindale farm. Slope above Hansel's Lake Comment
  RSA800481  Helenium bigelovii Peter Rubtzoff 1961-6-23 4645 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC262957  Helenium puberulum Peter Rubtzoff 1977-9-3 9123 Sonoma Perry Marsh. Comment
  UCR280186  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  POM260541  Helenium puberulum Roxana S. Ferris 1937-8-18 9374 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  RSA800482  Helenium puberulum Peter Rubtzoff 1962-7-28 5003 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  UCD164251  Helenium puberulum Peter Rubtzoff 1979-8-6 9303 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road (between it and a creek) 1.25 - 1.5 miles west of its junction with Franz Valley Road (0.4 miles south of Hwy. 128). Comment
  CDA6477  Helianthus gracilentus David J. Keil, V. L. Holland, Lynne Dee Oyler, G. F. Hrusa, G. L. Stebbins 1994-6-5 24503 Sonoma Along Cavedale Road ca. 1.5 miles from junction with Trinity Road, Mayacamus Mountains. Comment
  NY335357  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Sandy bank of Russian River at Healdsburg Comment
  UCD160867  Hemizonella minima James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3419 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC268127  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  UCD166135  Hemizonia Peter Rubtzoff 1969-5-11 6031 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UCD166184  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 mi northeast of Penngrove on Lichau Road. 427 Comment
  CAS-BOT-BC305995  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads Comment
  CAS-BOT-BC305996  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  OBI49651  Hemizonia congesta G. Yatskievych, K. Yatskievych 1988-8-20 88 -160 Sonoma W side of Santa Rosa, just E of jctn with Llano Rd on State Rte 12 to Sebastopol 100 Comment
  RSA159433  Hemizonia congesta James I. McMurphy 1909-8-8 701 Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  SD62047  Hemizonia congesta Darley F. Howe 1965-8-3 4101 Sonoma 8.0 miles east of Bodega on Highway 1. Comment
  CAS-BOT-BC306128  Hemizonia congesta subsp. clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  CAS-BOT-BC306159  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-26 s.n. Sonoma Foothills E. of Fulton Comment
  RSA14739  Hemizonia congesta subsp. clevelandii L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  CAS-BOT-BC306179  Hemizonia congesta subsp. congesta 1909-6-20 s.n. Sonoma Fulton Comment
  CAS-BOT-BC306221  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-5-19 2513 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306230  Hemizonia congesta subsp. congesta H. M. Hall 1916-6-23 10241 Sonoma Twelve km. northwest of Petaluma Comment
  CAS-BOT-BC306247  Hemizonia congesta subsp. congesta James I. McMurphy 1909-8-8 701 Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  JEPS126256  Hemizonia congesta subsp. congesta Sarah Lynch 2016-5-17 Sonoma Windsor. Found in Windsor on the south side of Shiloh Road. Comment
  SDSU4572  Hemizonia congesta subsp. congesta D. F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on #1. 122 Comment
  UC952862  Hemizonia congesta subsp. congesta Milo S. Baker 1945-8-14 11153 Sonoma 2 mi n Sebastopol (drier ground of marsh); Perry Marsh Comment
  UC990613  Hemizonia congesta subsp. congesta James I. McMurphy 1909-5-28 Sonoma 2 mi s Fulton Comment
  CAS-BOT-BC306218  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13079 Sonoma Six miles northwest of Petaluma Comment
  UC193421  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 Sonoma 6 mi nw Petaluma Comment
  UCD132985  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-6-16 1063 Sonoma north side of Occidental Road and Facendini Lane. Comment
  UCD132987  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-7-1 1081 Sonoma 0.35 mile up Duvall Creek from the Bohemian Highway; on the south side of creek. Comment
  CAS-BOT-BC309678  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 Sonoma On road to Petaluma, 4-1/2 miles south of Santa Rosa Comment
  CAS-BOT-BC309689  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road. Near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC309702  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  CAS-BOT-BC309718  Hemizonia congesta subsp. lutescens H. D. Ripley; R. C. Barneby 1945-6-22 6943 Sonoma North of Jenner 30 Comment
  CAS-BOT-BC309721  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  CAS-BOT-BC309730  Hemizonia congesta subsp. lutescens Milo S. Baker 1930-6-6 4158 a Sonoma Along Southern road from Sebastopol to Occidental Comment
  JEPS116516  Hemizonia congesta subsp. lutescens Peter Warner 2009-6-3 102 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, in grassland 25 m S of main (west) gate 250 Comment
  JEPS86758  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-10-7 1098 Sonoma ne side of high ground e of Hwy 116 (and s of the n part of Gilchrist Road) 53 Comment
  UC197516  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 10246 b Sonoma 14 mi nw Petaluma (2 mi e of Tocaloma) Comment
  CAS-BOT-BC309954  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  SD239596  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges: west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12. 328 Comment
  UC1199371  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1935-8-18 14744 Sonoma Knights Valley North Coast Ranges, Knights Valley 152 Comment
  CAS-BOT-BC309940  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC309953  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 705 Sonoma Kenwood Comment
  UCD132141  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1994-7-5 1940 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, W of Bear Creek along Goodspeed Trail just as the vegetation shifts from mixed evergreen forest to serpentine chaparral. 536 Comment
  UCD132142  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1995-11-7 2060 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. 0.5 air mile S of Red Mountain. In Sonoma Creek watershed ust off of Bald Mountain. Road near western trailhead for Vista Trail. 548 Comment
  RSA503982  Hemizonia lutescens B. G. Baldwin 1986-10-29 645 Sonoma 0.3 mile S of junction with California State Hwy 116 along Lakeville Road. Comment
  UC174206  Heracleum lanatum Katharine Brandegee June, 1905 Sonoma Bodega Comment
  CAS-BOT-BC403812  Hesperocnide tenella Peter Rubtzoff 1964-7-29 5436 Sonoma Brooks Gulch Marsh Comment
  OBI7229  Hesperocyparis sargentii H. E. McMinn 1936-4-5 4405 Sonoma 2 mi N of Occidental Comment
  SD40693  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2.8 miles from Camp Meeker on road to Monte Rio 60 Comment
  JEPS18146  Hesperolinon micranthum Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5669 Sonoma vicinity of The Cedars (near Layton Chromite Mine); headwaters of Big Austin Creek 266 Comment
  UC1212400  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC1212387  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4126 Sonoma n of Pine Flat (slopes above Florence Creek); Inner North Coast Ranges, Mayacamas Mountains, Florence Cree 670 Comment
  RSA264760  Heterocodon rariflorum Peter Rubtzoff 1963-5-26 5133 Sonoma Bennett Mountain Lake. Comment
  SEINET10460647  Heterocodon rariflorum P. Rubtzoff 1963-5-26 Rubtzoff 5133 Sonoma BENNETT MTN LAKE, VERNALLY WET PARTIALLY SHADED GROUND Comment
  CAS-BOT-BC149832  Heteromeles arbutifolia Peter Rubtzoff 1952-6-15 1268 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC149828  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-12-27 461 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC251213  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  CDA30978  Heterotheca oregona D. G. Kelch, Troy McGregor 2010-8-22 10 .36 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. Comment
  CHSC107541  Heterotheca oregona D. G. Kelch; Troy McGregor 2010-8-22 10 .360 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. 268 Comment
  RSA0075934  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  UC87445  Heterotheca sessiliflora subsp. bolanderi Palmer Sonoma Petaluma Comment
  POM180783  Heterotheca sessiliflora subsp. echioides J. T. Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  UCD102637  Heuchera micrantha Frederica Bowcutt 1996-5-23 2147 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Toe of Sugarloaf Ridge, just S of campground. Comment
  CAS-BOT-BC420941  Heuchera micrantha var. diversifolia Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Rd. 9 miles east of Stewarts POint Comment
  UC420433  Heuchera micrantha var. erubescens Milo S. Baker 1898-6-11 678 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC423440  Heuchera micrantha var. hartwegii R. Bacegalupi 1926-5-2 1394 Sonoma Cazadero Comment
  RSA0063143  Heuchera micrantha var. hartwegii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  RSA0062988  Heuchera pilosissima Joseph A. Ewan 1935-5-13 9208 Sonoma Bodega Bay Rd. 2 miles W of Bodega. Comment
  SD64434  Heuchera pilosissima Darley F. Howe 1966-6-2 4262 Sonoma 5 miles south of Bodega Bay Comment
  SEINET9362826  Hieracium albiflorum Unknown 1995-6-8 2825 Sonoma 7 mi NW of Calistoga. Madrone-Douglas Fir-Quercus-Rhus assoc. Rdside rubble Botany 102, Botany Department, University of California, Davis. Comment
  CDA10945  Hierochloe occidentalis G. F. Hrusa, G. L. Stebbins 1994-3-28 11703 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. N of Duncan's Mills on D.M. Cazadero Rd. Adjacent to East Austin Cr. Rd. on E side of Creek. Perennial. Shade of redwoods. Comment
  RSA124809  Hoita macrostachya Peter H. Raven, R. Snow 1958-7-23 13683 Sonoma 10.5 miles west of Skaggs Springs. Comment
  RSA168911  Hoita macrostachya Joseph P. Tracy 1951-7-28 19628 Sonoma In Alexander Valley, 5 miles east of Geyserville. Comment
  UCD105878  Hoita macrostachya E. M. Loeb 1930-7-1 s.n. Sonoma Wappo Indians, Redwood Highway, 1 1/2 miles below Healdsburg. Dept. of Anthropology. Comment
  CAS-BOT-BC280799  Holcus lanatus John H. Thomas 1976-6-16 18337 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC280802  Holcus lanatus Peter Rubtzoff 1957-6-28 s.n. Sonoma Duncans Mills Marsh Comment
  UCD150125  Holocarpha virgata 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
  POM274868  Holodiscus discolor Lyman D. Benson 1928-6-25 351 Sonoma Cloverdale-Hopland, Russian River. 457 Comment
  UCD113344  Holodiscus discolor Frederica Bowcutt 1996-5-23 2148 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 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon at toe of Sugarloaf Ridge just S of campground on rocky slope. 377 Comment
  JEPS128299  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-16 021 .10 Sonoma The Cedars, Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  RSA0060105  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. On spillway of Dentist's Lake, and in creek below it. 91 Comment
  UCR280161  Holozonia filipes Peter Rubtzoff, Nancy Harrison 1976-6-18 8646 Sonoma North Coast Range, False Lake Meadow area, Annadel State Park 221 Comment
  UCD85368  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1955-4-5 2401 Sonoma 2 miles north of Healdsburg, along US Highway 101. Comment
  UCD85486  Hordeum brachyantherum subsp. brachyantherum Gerry North 1993-4 38 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
  RSA128787  Hordeum murinum subsp. glaucum P. H. Raven 1950-4-6 1561 Sonoma Cotati to Santa Rosa. 30 Comment
  POM205106  Hordeum murinum subsp. leporinum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay. Comment
  SEINET4670524  Hordeum murinum subsp. leporinum R. Halse 1987-2-22 3375 Sonoma Along State HWY 121, 0.4 miles east of its junction with State HWY 116 at Big Bend in the Sonoma Valley. 6 Comment
  UC903149  Horkelia californica Ethel Crum 1930-6-8 753 Sonoma 8 mi n Bodega Bay Comment
  UCD113401  Horkelia californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 055 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC536168  Horkelia californica var. elata Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC146523  Horkelia tenuiloba John Thomas Howell 1945-5-30 20909 Sonoma Vine Hill School Comment
  CDA11293  Horkelia tenuiloba G. F. Hrusa 1994-6-14 11889 Sonoma North Coast Biodiversity Arena; W of Hogback Mtn. Point of main ridge separating headwaters of Nathanson Creek and Agua Caliente Creeks. Comment
  UC525518  Horkelia tenuiloba Ethel Crum 1931-5-8 1091 Sonoma near Sebastopol 60 Comment
  UCD158717  Hosackia crassifolia Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 3.5 mi east of the junction of Socrates Mine Rd. and Pine Flat Rd. Shell US Geothermal #2. Elevation estimated by label maker. [note by label-maker: 3.5 mi southeast would take location out of Sonoma County and out of the geothermal area, unless is road miles]. 975 Comment
  CAS-BOT-BC293672  Hypericum Peter Rubtzoff 1969-7-21 6115 Sonoma Guerneville Marsh, Pocket Canyon area. Comment
  CAS-BOT-BC400997  Hypericum anagalloides Peter Rubtzoff 1954-7-29 1610 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC401001  Hypericum anagalloides Peter Rubtzoff 1958-8-23 3903 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  CAS-BOT-BC401289  Hypericum perforatum Mary P. Wells 1984-5-24 272 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC401292  Hypericum perforatum D. E. Breedlove 1980-6-28 44786 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC401325  Hypericum scouleri Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  UC1300922  Hypochaeris glabra Helen K. Sharsmith 1963-5-25 5481 Sonoma 121 Comment
  UCD159436  Hypochaeris radicata D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 194 Sonoma Abandoned volleyball court/field. Disturbed. 8 Comment
  CAS-BOT-BC316712  Hypochaeris radicata Greg de Nevers 1902-6-7 5661 Sonoma Bennett Valley southeast of Santa Rosa Comment
  HSC100875  Ilex aquifolium Peter Warner 2011-4-6 185 Sonoma Pitkin Marsh, lower, ~752 m N2 deg. E from junction of Hwy. 116 and Guerneville Rd., S of main stream channel, 30 m N of south boundary fence, along-foot trail. 37 Comment
  SEINET7075545  Iris A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UC571178  Iris douglasiana H. L. Mason Jun 1930 5662 Sonoma Mouth of Gualala River Comment
  SEINET12050753  Iris douglasiana F. H. Utech 1988-1 88 -183 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter 140 Comment
  RSA48719  Iris fernaldii Lee W. Lenz 1949-5-3 14426 Sonoma About 1 mile from Petrified Forest on road to Calistoga. 610 Comment
  UCD138723  Iris fernaldii Erik Beever 1993-5-8 227 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
  POM320439  Iris missouriensis Lynne Hayden 1970-4-5 68 Sonoma Fort Ross, Route 1 76 Comment
  CAS-BOT-BC61926  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC112389  Isolepis carinata John Thomas Howell; J. W. Stacey 1937-6-6 13027 Sonoma Pitkin Marsh Comment
  UCD150848  Isolepis carinata Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CHSC91622  Isolepis cernua G. F. Hrusa 2000-11-13 15718 Sonoma Northern California. At base of ocean bluff. Kortum trail head to Goat Rock. Comment
  HSC85561  Isolepis cernua Robert A. Norris, John L. Inase, Allen Nakagawa, Willie J. Roberts, Michael Kurtz, Nelson R. Powers 1982-8-8 4434 Sonoma Near Goat Rock picnic area across mouth of Russian River from Jenner, Sonoma State Beach Comment
  SD134077  Isolepis cernua Peter Rubtzoff 1954-8-3 1635 Sonoma Lower Salmon Creek Marsh, open, wet ground. (IPB 11/07) Comment
  CAS-BOT-BC340230  Jaumea carnosa W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  CAS-BOT-BC101889  Juglans californica Peter Rubtzoff 1986-8-31 9736 Sonoma On river bank off Summerhome Park Road 0.2 mile west of Forest Hills Road Comment
  UC1042427  Juncus balticus Peter Rubtzoff 1951-7-7 368 Sonoma near Forestville (e branch of the upper marsh); Pitkin Marsh Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC164383  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6225 Sonoma Sonoma: Five miles north of Sears Point Comment
  UC1601709  Juncus bolanderi F. T. Bioletti 1893-5-27 718 Sonoma Glen Ellen Comment
  UCD141316  Juncus bolanderi Mary M. Hektner 1976-8-26 265 Sonoma Unit 28 Owner;s Map, Sea Ranch, near State Highway 1. Comment
  UC1026467  Juncus dubius Peter Rubtzoff 1951-7-8 395 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  UCD141497  Juncus effusus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC164050  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-9-3 6693 Sonoma Sonoma: At edge of springy area along southeastern border of Spring Creek Reservoir Comment
  SD262153  Juncus effusus var. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh (Duncan Hills 7.5'Q) 9 Comment
  RSA789175  Juncus laccatus Peter Rubtzoff 1968-7-13 5919 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  UC1146699  Juncus occidentalis Freed W. Hoffman 1941-5-18 2180 Sonoma Franz Valley North Coast Ranges Comment
  RSA94255  Juncus occidentalis Peter Rubtzoff 1951-7-28 563 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  UCD141633  Juncus occidentalis Mary M. Hektner 1976-12-15 280 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC143757  Juncus patens A. A. Heller 1902-6-10 5680 Sonoma Santa Rosa Comment
  UCD160828  Juncus patens James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3435 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCD142833  Juncus xiphioides Frederica Bowcutt 1994-7-5 1936 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground just N of bridge to campfire center. 381 Comment
  CAS-BOT-BC235869  Keckiella corymbosa W. W. Carruth 1900-7-1 s.n. Sonoma Russian River near Cloverdale Comment
  UCD160309  Koeleria macrantha James A. Neilson Jr. 1975-5-23 3218 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC499665  Kopsiopsis strobilacea Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  UC33061  Lagophylla ramosissima Alice King 1896-9-1 Sonoma Healdsburg Comment
  CAS-BOT-BC274320  Lagurus ovatus John H. Thomas 1976-6-15 18228 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC790934  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Pt Comment
  UCD63266  Lagurus ovatus Chris Bowen 1974-5-18 121 Sonoma Sea Ranch, near Whalers' Ranch, near State Highway 1, Unit 7 Owners' Map. Comment
  CAS-BOT-BC324927  Lasthenia burkei Peter Rubtzoff 1974-5-26 7492 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mile from (west of) Llano Road Comment
  UC1594209  Lasthenia burkei L. Huntington 1990-4-4 252 Sonoma 1100' e of sharp bend in Lytton Station Rd.; Lytton area 51 Comment
  RSA0008548  Lasthenia burkei Peter Rubtzoff 1963-6-6 5165 Sonoma Laguna de Santa Rosa, east of Graton Comment
  CAS-BOT-BC385626  Lasthenia californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC893742  Lasthenia californica subsp. bakeri Milo S. Baker 1932-4-1 5906 Sonoma 4.5 mi n Ft. Ross Comment
  JEPS86752  Lasthenia californica subsp. californica Jack and Betty Guggolz 1990-4-30 1039 Sonoma 243 Comment
  JEPS9909  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Comment
  CAS-BOT-BC324413  Lasthenia californica subsp. macrantha Mrs. H. C. Cantelow 1936-1-26 1102 Sonoma Bodega Bay Comment
  RSA42049  Lasthenia macrantha subsp. macrantha Ella Dales Cantelow 1938-5-7 s.n. Sonoma 2.5 miles N of Bodega Comment
  SBBG7774  Lasthenia macrantha subsp. macrantha H. and M. Dearing 1939-5-14 3367 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC726106  Lasthenia minor A. A. Heller 1940-5-17 15628 Sonoma n of the town of Bay; Bodega Bay Comment
  CAS-BOT-BC164693  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  UCD55070  Lathyrus sphaericus Ellen Dean; Tammie Beyerl 2006-4-28 3014 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  SEINET12165544  Lathyrus sphaericus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -161 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  POM29620  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1882-7-17 3576 Sonoma Duncan's Mills. Comment
  UC15379  Lathyrus vestitus var. vestitus State Survey 1862-4-18 966 Sonoma near Sonoma Comment
Read comments Jan 20 2011
  CAS-BOT-BC323231  Layia chrysanthemoides David D. Keck 1933-5-28 2319 Sonoma 2 miles N of Sears Point Comment
  SEINET7545195  Layia chrysanthemoides subsp. maritima J. Clausen 1935-1 1090 Sonoma 6.2 mi. S of Jenner, on bluffs overlooking the ocean Comment
  SEINET7067259  Layia gaillardioides A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC379622  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  UC89333  Layia platyglossa Alice Eastwood Sonoma Bodega Point Comment
  UCD133980  Layia platyglossa Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 41 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC184131  Leersia Peter Rubtzoff 1970-9-2 6358 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC154154  Lemna Peter Rubtzoff 1965-11-9 5667 A Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  UCD166259  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. 11 Comment
  UCD166260  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sear Point. 11 Comment
  CAS-BOT-BC534357  Lemna aequinoctialis Peter Rubtzoff 1965-9-5 5646 Sonoma Russian River at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC154155  Lemna minima Peter Rubtzoff 1965-11-9 5667 B Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  CAS-BOT-BC527287  Lemna minuta Peter Rubtzoff 1951-7-8 385 Sonoma Lower part of teh Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC210097  Lemna valdiviana Peter Rubtzoff 1969-7-5 6105 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  UCR256273  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  RSA0065911  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC339165  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-8 394 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC339166  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-21 501 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes Comment
  CAS-BOT-BC371469  Lepidium appelianum Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Highway 37. Comment
  CAS-BOT-BC89146  Lepidium didymum Peter Rubtzoff 1987-10-17 9870 Sonoma Russian River at Forest Hills, 5.5 mile east of Guerneville, 9981 Old River Road near Forest Hills Road junction. Comment
  CDA3805  Lepidium latifolium T. C. Fuller 1958-10-16 1480 -58 Sonoma North side Highway 48, 5 miles east of Sears Point. 0 Comment
  RSA247447  Lepidium latifolium Peter Rubtzoff 1969-8-26 6158 Sonoma On River Road. 3 miles W of Fulton. Comment
  CAS-BOT-BC273999  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC376422  Leptosiphon ciliatus Greg de Nevers 1992-6-24 10177 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By the PG&E tower in the saddle. 400 Comment
  CAS-BOT-BC226705  Leptosiphon jepsonii Alice Eastwood 1921-4-24 10365 Sonoma Santa Rosa Comment
  CAS-BOT-BC376245  Leptosiphon parviflorus Greg de Nevers 1992-4-28 10118 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  UC23774  Leptosiphon parviflorus W. H. Brewer 1862-4-17 983 Sonoma Sonoma Comment
  CDA39790  Lessingia arachnoidea Peter Warner 2013-8-2 298 Sonoma Bohemian Highway, ~ 3 km north-northwest of Camp Meeker, just south of sharp west bend in road, in roadside turnout above Dutch Bill Creek. Comment
  CAS-BOT-BC341997  Lessingia ramulosa J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  RSA796226  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
  CAS-BOT-BC283531  Leymus X vancouverensis Peter Rubtzoff 1962-10-9 5119 Sonoma Near Highway 1 crossing of Salmon Creek near town of Salmon Creek Comment
  UCD64625  Leymus mollis P. G. Connors 1992-5-7 246 Sonoma near Mussel Point, overlooking Salmon Creek Beach. Comment
  CDA36347  Leymus triticoides M. Lennox & D. Curle 2011-12-7 PDR# 1465998 Sonoma Petaluma. 0 Comment
  UCR255737  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Mark West Creek, just upstream of bridge at Mark West Lodge 134 Comment
  CDA1615  Lilaea scilloides G. F. Hrusa, R. Gross, A. Buckmann 1996-3-29 12742 Sonoma North Coast Biodiversity Arena; Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. Comment
  UC353914  Lilaea scilloides Milo S. Baker 1927-5-8 2131 a Sonoma near summit Bennett Valley Road Comment
  CAS-BOT-BC130829  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  JEPS19560  Limnanthes alba Milo S. Baker 1923-5-1 Sonoma 1 mi ne Glen Ellen; Warfield R.R. Station Comment
  OBI12591  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  UC726862  Limnanthes douglasii subsp. douglasii A. A. Heller 1940-4-22 15553 Sonoma field between East Windsor and West Windsor Comment
  UCD116447  Limnanthes douglasii var. nivea Robert F. Thorne 1965-4-19 34274 a Sonoma wet field on Titus Ranch, Valley Ford. 18 Comment
  CHSC66952  Limnanthes vinculans James D. Jokerst; Lorie May 1993-5-13 3978 Sonoma Sonoma Air Center. Comment
  UCD71176  Limnanthes vinculans M. Plotkin 1995-5-29 MSP 04 Sonoma Todd Road, Southeast of Sebastopol, adjacent to CA Department of Fish and Game Todd Road Ecological Reserve. In culvert inside Todd road right of way. 24 Comment
  CAS-BOT-BC251276  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
  RSA800897  Limosella acaulis Peter Rubtzoff 1970-9-16 6220 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC376438  Linanthus Greg de Nevers 1998-5-26 11257 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UC496363  Linanthus androsaceus Merle Randall 1930-6-2 Sonoma near Cazadero (Christopher Ranch) Comment
  SEINET12329973  Linanthus androsaceus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -195 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC70407  Linanthus grandiflorus Milo S. Baker 1899-6-24 Sonoma near Valley Ford Comment
  UCD164544  Lindernia Peter Rubtzoff 1975-8-26 8357 Sonoma Bennett Mountain Lake, northern lakeshore. Comment
  UCD110566  Linum bienne William J. Costa 1968-5-18 36 Sonoma Shell Beach, ca. 1.5 air miles south of Jenner. 15 Comment
  CAS-BOT-BC26043  Linum spergulinum H. N. Bolander 1867-6-1 s.n. Sonoma Cloverdale Comment
  SEINET12030991  Lithocarpus densiflorus F. H. Utech 1988-1 88 -209 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  RSA476678  Lithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  CAS-BOT-BC36012  Lithocarpus densiflorus var. densiflorus Mary P. Wells 1985-7-10 547 Sonoma King's Ridge Road Comment
  UCD102703  Lithophragma affine Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 71 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. S of Sonoma Creek about 1/8 mile from beginning of Hillside Trail. 381 Comment
  UC858177  Lithophragma heterophyllum Alice Eastwood 1918-5-1 6814 Sonoma Mt. St. Helena Comment
  SJSU10360  Lithophragma heterophyllum T. A. Wayne III 1962-4-21 Sonoma 3 mi S of Santa Rosa through Bennett Valley Comment
  UC581117  Logfia filaginoides H. L. Mason 1934-4-28 8062 Sonoma near Kenwood Springs (Baker's Ranch) Comment
  CAS-BOT-BC342499  Logfia gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54005 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-BC283286  Lolium multiflorum Peter Rubtzoff 1951-7-21 488 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  UCD66200  Lolium multiflorum R. Tofsrud 1941-6-1 Sonoma Santa Rosa, Odd Fellows Cemetery. Comment
  CAS-BOT-BC283285  Lolium multiflorum John H. Thomas 1976-6-16 18344 Sonoma S part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  UCD66467  Lolium perenne Beecher Crampton 1957-7-11 4306 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC269192  Lolium temulentum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Rd., 1/2 mi. W. of junction of Arnold Drive Comment
  SD99412  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Road, 9.3 miles west of Geyersville 89 Comment
  UCR45090  Lomatium dasycarpum L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SEINET8465377 Image available Lomatium dasycarpum Lincoln Constance 1953-4-4 Sonoma Mark West road, 1 mile southwest of Petrified Comment
  JEPS17532  Lomatium nudicaule W. L. Jepson 1912-4-17 4771 Sonoma Sonoma Valley Comment
  UC1123039  Lomatium nudicaule H. S. Yates 1934-4-22 3857 Sonoma 2 mi. s. Mark West; Calistoga Quad. Comment
  CAS-BOT-BC217807  Lomatium repostum Greg de Nevers 1997-6-7 11020 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  UC1076677  Lomatium utriculatum C. Ritchie Bell 1952-3-19 1247 Sonoma top of Larksur Rock Bodega; , Larkspur Rock Comment
  CAS-BOT-BC240642  Lonicera hispidula Dorothy Scherer 1997-5-20 129 Sonoma Ca. 40' north of Fort Ross Rd. and .6 mi west of Seaview Rd, Fort Ross State Historic Park 365 Comment
  UCSB8735  Lonicera involucrata Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna Road and College Road on Laguna Road and 5.1 miles north of Sebastopol, Vinehill area Comment
  CAS-BOT-BC244003  Lonicera involucrata var. ledebourii A. A. Heller; H. E. Brown 1902-3-10 5015 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC244004  Lonicera involucrata var. ledebourii A. A. Heller; H. E. Brown 1902-3-10 5015 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC376250  Lotus Greg de Nevers 1992-6-26 10181 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  POM232043  Lotus angustissimus Roxana S. Ferris 1937-8-19 9379 Sonoma 1.5 mi. north of Fort Ross on State Highway 1. Comment
Read comments Dec 13 2015
  POM258887  Lotus angustissimus Alice Eastwood, John T. Howell 1938-6-11 6267 Sonoma Near Stillwater Cove. Comment
  POM18310  Lotus benthamii A. A. Heller 1903-4-25 7458 Sonoma Fort Ross Comment
  POM18969  Lotus formosissimus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 7471 Sonoma Near Windsor. Comment
  UC80972  Lotus formosissimus Michener and Bioletti Jun 1893 Sonoma Kenwood Comment
  RSA177938  Lotus humistratus Robert F. Thorne 1965-4-20 34336 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  POM27250  Lotus humistratus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  SEINET3729647  Lotus purshianus A. A. Heller 1941-8-8 16278 Sonoma West of Petrified Forest Comment
  UC862208  Lotus purshianus var. purshianus A. A. Heller 1938-8-11 15321 Sonoma Anderson Valley Comment
  UC1299189  Lotus tenuis Freed W. Hoffman 1948-8-12 2353 Sonoma Bob Caughey Ranch, headwater of Warm Springs Creek North Coast Ranges, Warm Springs Creek Comment
  UCD66025  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UC1714538  Ludwigia palustris Michener and Bioletti 1892-7-24 Sonoma Glen Ellen Comment
  RSA800126  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  RSA800589  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  RSA94087  Ludwigia palustris var. pacifica J. T. Howell 1945-8-14 21386 Sonoma Perry 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-BC201297  Lupinus Charles Piper Smith 1947-6-19 47533 Sonoma Highway 1, Jenner, 1 mile south Comment
  SEINET7042675 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC127022  Lupinus albifrons F. T. Bioletti 1894-1 Sonoma near Hood's Peak; near Hood's Peak Comment
  SEINET10488401  Lupinus albifrons Charles Piper Smith 1948-4-27 Smith 48163 Sonoma Junction melitta-mark west-petrified forest roads. Petrified forest, junction Comment
  RSA66919  Lupinus albifrons var. collinus E. K. Balls 1951-5-3 16404 Sonoma Ca. 1 mi. e. from Petrified forest on rd. to Calistoga. 610 Comment
  SEINET10484536  Lupinus albifrons var. collinus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma, CA. Comment
  HSC42043  Lupinus arboreus S. Saufferer 1973-5-24 216 Sonoma Bodega Bay Comment
  JEPS85896  Lupinus arboreus Jack and Betty Guggolz 1991-6-1 1160 B Sonoma between Hwy 1 and the ocean just s Meyers Grade; between Hwy 1 and the ocean 182 Comment
  SBBG21348  Lupinus arboreus V. Haraden 1941-7-13 2 Sonoma Bodega Bay 30 Comment
  UC82055  Lupinus arboreus Michener and Bioletti May 1894 Sonoma Bodega Bay Comment
  UC15932  Lupinus bicolor W. H. Brewer 1862-4-17 982 Sonoma Sonoma Valley Comment
  UCD150127  Lupinus bicolor 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
  HSC14954  Lupinus bicolor S. N. Wiemeyer 1932-4-13 12 Sonoma 2.1 mi. N of jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UC126967  Lupinus bicolor Willis L. Jepson 1893-5-3 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena (foot of grade) Comment
  UCD107129  Lupinus bicolor Botany 102 Students 1993-4-17 37 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. SE of Red Mountain about 1 air mile. Near group campground. 365 Comment
  SEINET10490758  Lupinus formosus var. formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7079 Sonoma On n-facing grassy clay bank, 0.6 mi w of sonoma-napa county line on hwy 121. 61 Comment
  JEPS77258  Lupinus latifolius Robert M. Lloyd 1963-4-24 2396 Sonoma 16.0 mi from State Highway 12 on road to Oakdale; road to Oakdale 274 Comment
  OBI59275  Lupinus leucophyllus Rhonda Riggins 1993-6-23 1693 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  SD37910  Lupinus microcarpus var. microcarpus Edith A. Purer 1932-7-24 Sonoma near Bodega Bay, roadside in Santa Rosa Canyon Comment
  OBI48720  Lupinus nanus Joseph Andorfer Ewan 1935-5-13 9253 Sonoma Wright School on the Sebastopol rd Comment
  SEINET10837773  Lupinus nanus subsp. nanus P. Rubtzoff 1974-5-18 Rubtzoff 7411 Sonoma Todd road 1.4 mi from hwy 116 and .6 mi from llano rd. Vernally wet, now Drying meadow. Comment
  POM10734  Lupinus nanus var. apricus A. A. Heller, H. E. Brown, A. H. Heller 1902-3-21 7188 Sonoma Hills southeast of Santa Rosa Comment
  HSC81612  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5127 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  RSA0022414  Lupinus polycarpus Peter Rubtzoff 1971-5-8 6436 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  UC201943  Lupinus rivularis Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  SEINET5500928 Image available Lupinus ruber Sally Walker 1983-6-13 Sonoma N. Bodega Highway on Joy Rd. Comment
  UC84431  Lupinus sericatus Katharine Brandegee April 1890 Sonoma Mt. St. Helena Comment
  UCD109576  Lupinus stiversii A. S. Crafts 1935-5-15 s.n. Sonoma Exact location unknown. 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
  HSC34850  Lupinus succulentus Thomas W. Nelson 1975-5-8 1811 Sonoma Beside Hwy. 101 just S of Ash Creek near the Mendocino-Sonoma Co. line Comment
  CAS-BOT-BC210025  Luzula Peter Rubtzoff 1958-5-17 3680 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) Comment
  UCD167635  Lychnis coronaria James A. Neilson Jr. 1984-6-14 s.n. Sonoma Mayacmas Mountains. St. Helena trout farm. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC166732  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  RSA785160  Madia Peter Rubtzoff, H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  CAS-BOT-BC227611  Madia Peter Rubtzoff 1971-6-30 6582 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC166728  Madia gracilis Peter Rubtzoff 1964-6-24 5366 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC343458  Madia gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  CAS-BOT-BC343463  Madia gracilis J. Clausen 1935-5-23 1075 Sonoma Petrified Forest, near entrance Comment
  SEINET3148102  Madia gracilis L. S. Rose 1940-5-22 40370 Sonoma Sonoma 30 Comment
  UCD148434  Madia gracilis Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. 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
  CAS-BOT-BC343464  Madia gracilis G. DeNevers 1981-5-5 926 Sonoma Pepperwood Ranch. W arm of Garrison Canyon Comment
  CAS-BOT-BC343465  Madia gracilis G. DeNevers 1981-5-15 1217 Sonoma Pepperwood Ranch. Near base of Hansel's driveway Comment
  CAS-BOT-BC343466  Madia gracilis G. DeNevers 1981-5-30 1422 Sonoma Pepperwood Ranch. In Garrison yard ruderal Comment
  UCD132825  Madia gracilis Frederica Bowcutt 1994-5-21 1832 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Hillside Trail 1/2 mile. 396 Comment
  UCR222554  Madia madioides George K. Helmkamp, E. A. Helmkamp 2010-6-5 16244 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
  CAS-BOT-BC345223  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental 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-BC345261  Madia sativa David D. Keck 1933-11-6 2645 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  UC830910  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa Comment
  UCR280152  Madia sativa Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  CAS-BOT-BC345207  Madia sativa James I. McMurphy 1909-8-8 702 Sonoma Leddy, electric r.r. station between Santa Rosa & Sebastopol Comment
  UCD134337  Madia sativa Mary M. Hektner; Cathy Hendel 1974-7-29 182 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC511492  Maianthemum stellatum Greg de Nevers 1981-6-27 1669 Sonoma On walk up through the Devil's Kitchen, Kellog Ranch, starting from the bottom of the hill in Franz Valley, along Franz Valley Road, Pepperwood Ranch Comment
  POM169294  Maianthemum stellatum A. A. Heller, H. E. Brown 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC290639  Malva Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley. Comment
  UC28946  Marah oregana F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  CAS-BOT-BC348219  Matricaria discoidea Peter Rubtzoff 1972-5-25 6773 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC348313  Matricaria occidentalis Peter Rubtzoff 1972-5-25 6772 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC348314  Matricaria occidentalis Peter Rubtzoff 1970-5-16 6227 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC262977  Medicago Peter Rubtzoff 1968-8-31 5945 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC268106  Medicago Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 miles east of Guerneville at 9981 Old River Road. Comment
  UCD151224  Melica californica James A. Neilson Jr. 1974-5-17 2977 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, along road to PG and E geothermal units 9 and 10, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  SEINET10599366  Melica californica A. Arthur Heller 1902-4-9 Heller 5246 Sonoma In a railroad cut 3 miles south of Healdsburg. Comment
  UCD87214  Melica californica R. Tofsrud 1941-4-1 295 Sonoma S.R. Creek Cy. Comment
  UCD87221  Melica californica R. Tofsrud 1947-7-2 175 Sonoma 6 Comment
  CAS-BOT-BC281280  Melica geyeri David L. Morgan 1961-4-17 s.n. Sonoma On Bohemian Highway, 3 miles N of Occidental Comment
  CAS-BOT-BC262552  Melica torreyana G. DeNevers 1981-5-15 1182 Sonoma Pepperwood Ranch. In first big left hand Canyon off N arm of Garrison Canyon Comment
  CHSC33997  Melica torreyana J. D. Prouty 1980-4-12 859 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi W of junction with Petrified Forest Road. 256 Comment
  UCR218736  Melilotus indicus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16223 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC164082  Mentha Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh. Comment
  RSA247445  Mentha X piperita Peter Rubtzoff 1951-9-3 743 Sonoma Margin of creek at Hwy 12 SE of Forestville Comment
  UC104585  Mentha pulegium W. E. Bryant July 1887 Sonoma Healdsburg Comment
  UC1124520  Mentha pulegium H. S. Yates 1937-8-22 6866 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  CAS-BOT-BC173657  Mentha pulegium Peter Rubtzoff 1956-9-16 2921 Sonoma Guerneville region. Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  CAS-BOT-BC164694  Mentha spicata Peter Rubtzoff 1973-8-28 7275 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC164705  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road). Open, moist ground. Comment
  RSA784546  Mentha spicata Peter Rubtzoff 1955-8-28 2112 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC428957  Micranthes californica A. A. Heller; H. E. Brown 1902-3-12 5040 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  RSA54045  Micropus amphibolus J. T. Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC348634  Micropus californicus var. californicus Barrett Anderson 1987-4-27 3472 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  UC581112  Micropus californicus var. californicus H. L. Mason 1934-4-28 8077 Sonoma head Dohrmann Creek; Jensen's Ranch Comment
  CAS-BOT-BC348633  Micropus californicus var. californicus Ira L. Wiggins 1949-4-30 12069 Sonoma 4 miles west of Calistoga, just west of county line Comment
  CAS-BOT-BC348733  Microseris bigelovii John H. Thomas 1976-6-16 18255 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SEINET11601909 Image available Microseris bigelovii P. Kamb, F. Chisaki 1952-6-21 2304 Sonoma Fort Ross Comment
  CAS-BOT-BC348855  Microseris douglasii subsp. douglasii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53980 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-BC348856  Microseris douglasii subsp. douglasii Greg de Nevers 1993-4-11 10366 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  JEPS13229  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma near Kenwood; Los Guilicos Valley Comment
  CAS-BOT-BC322748  Microseris paludosa Ella Dales Cantelow 1941-4-18 3508 Sonoma 2 miles north of Windsor Comment
  JEPS36204  Microseris paludosa W. L. Jepson 1921-6-2 9300 Sonoma flats just e Calhoun Ranch (nw of Windsor) Comment
  CAS-BOT-BC311860  Mimulus Peter Rubtzoff 1960-6-12 4505 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  JEPS76921  Mimulus aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  JEPS87263  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma n Boyes Hot Springs (0.6 mi e of Hwy. 12 along Cavedale Road) 160 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
  RSA535766  Mimulus congdonii David M. Thompson 1988-4-1 863 Sonoma Ca. 3 air miles E of Glen Ellen. 3.9 mi NE of Hwy 12 along Cavedale Road; W side of Road, 5 ft S of entrance to 3845-3850-3860 private driveway. 183 Comment
  JEPS10500  Mimulus grandis Docia Patchett 1918-5-26 Sonoma Black Point Comment
  UCR248896  Mimulus guttatus Peter Rubtzoff 1954-6-20 1513 Sonoma Guerneville Marsh Comment
  OBI47583  Mimulus guttatus L. F. LaPre 1986-6-3 s.n. Sonoma Dorr Place, 4 mi up a privated rd from Mannings flats in Austin Crk State Recreation Area, 6 mi N of Cazadero on upper Austin Crk. Cazadero Quad 207 Comment
  SEINET12327815  Mimulus guttatus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -097 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  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
  JEPS74597  Mimulus inodorus L. R. Heckard 1974-8-21 3825 A Sonoma near end Templeton road (s-central part of marsh); Pitkin Marsh Comment
  UCD40972  Mimulus nanus var. mephiticus Collector Unknown 1978-1 s.n. Sonoma 19 miles east of Fallon. (Fallon is in Marin County, but 19 mi E is Sonoma County). 30 Comment
Read comments Mar 13 2006
  UC124418  Mimulus nasutus T. S. Brandegee May 1890 Sonoma Mt. St. Helena Comment
  JEPS3029  Mimulus tricolor Milo S. Baker 1952-4-30 12408 B Sonoma along road near Summit Bennett Valley rd. Comment
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle Comment
  CAS-BOT-BC174581  Minuartia californica A. A. Heller; H. E. Brown 1902-3-14 5067 Sonoma Near Windsor Comment
  CAS-BOT-BC388898  Minuartia douglasii Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  UCD160304  Minuartia douglasii James A. Neilson Jr. 1975-5-22 3221 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 mi. west of Whispering Pines, State Highway 175. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  CAS-BOT-BC435114  Mollugo verticillata Peter Rubtzoff 1958-8-30 3935 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  CAS-BOT-BC435113  Mollugo verticillata Peter Rubtzoff 1961-8-25 4714 Sonoma Forest Hills, east of Guerneville. Bottom of Russian River. Comment
  UCD167562  Monardella James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. 1/4 mile north of Black Hawk Ranch. Banks above Squaw Creek. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  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-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  CAS-BOT-BC314209  Monardella villosa A. A. Heller 1902-6-28 5791 Sonoma Between Knight's Valley and Mark West Springs. Comment
  UC666146  Monardella villosa subsp. globosa Annetta Carter, Ethel Crum 1941-6-22 1641 Sonoma 3.3 mi e Bodega Bay; North Coast Ranges Comment
  POM19716  Monardella villosa subsp. villosa A. A. Heller 1902-7-8 5812 Sonoma Russian River at Healdsburg. Comment
  JEPS128251  Monardella viridis subsp. viridis Roger Raiche 2000-7-15 139 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS42033  Montia fontana Rimo Bacigalupi with Robert Ornduff 1966-3-18 9141 Sonoma 1 mi s of Kenwood (just s of Los Guilicos Hot Springs, along the Warm Springs Road) 106 Comment
  UCD144663  Montia parvifolia Frederica Bowcutt 1994-6-12 1874 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Canyon Trai along edge of Sonoma Creek just E of confluence with Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  JEPS121161  Morella californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18601 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  RSA264759  Myosotis discolor Peter Rubtzoff 1974-5-25 7475 Sonoma Upper Green Valley Marsh. Comment
  UCSB5631  Myosotis discolor Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 miles north of Sousa Corners Comment
  CAS-BOT-BC101791  Myrica californica Peter Rubtzoff 1957-4-28 3290 Sonoma Duncans Mills Marsh Comment
  RSA461913  Myrica californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. three miles north of Jenner. Comment
  CAS-BOT-BC251161  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh. Comment
  RSA800895  Myriophyllum hippuroides Peter Rubtzoff 1954-8-12 1699 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC376244  Myriophyllum sibiricum Greg de Nevers 1992-7-3 10212 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Yellow Jacket Ranch Lake 304 Comment
  CAS-BOT-BC456195  Najas guadalupensis Greg de Nevers 1996-10-18 10885 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond. 487 Comment
  CAS-BOT-BC456196  Najas guadalupensis Greg de Nevers 1991-8-8 9768 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In largest Double Pond. 475 Comment
  SEINET257714  Nassella formicarum Mary E. Barkworth, D. Amme 1989-6-15 5170 Sonoma About 2 miles north of Jenner on US 1 Comment
  CAS-BOT-BC260287  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma Comment
  UC1133204  Nassella pulchra H. S. Yates 1937-5-30 6549 Sonoma 4 mi nw Graton; Sebastopol Quadrangle Comment
  UCD87696  Nassella pulchra H. S. Yates 1934-4-21 3780 Sonoma Near Bodega. 60 Comment
  CDA32559  Nassella pulchra T. C. Fuller 1960-6-14 4486 Sonoma James Black property, ca. 6 miles east of Cloverdale. 0 Comment
  UC353796  Navarretia heterodoxa Milo S. Baker 1928-6-16 3041 b Sonoma n of Barber Ranch; Hope Valley Comment
  CAS-BOT-BC230365  Navarretia leucocephala subsp. bakeri James McMurphy 1909-5-28 s.n. Sonoma Near Fulton Comment
  CAS-BOT-BC230366  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1974-5-26 7493 Sonoma Todd Road 1.5 miles from Highway 116 and 0.5 mile from (W of) Llano Road Comment
  UC52427  Navarretia leucocephala subsp. bakeri Milo S. Baker 1899-5-6 Sonoma railroad track between Sebastopol Santa Rosa Comment
  CAS-BOT-BC230378  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma Highway between Healdsburg and Santa Rosa Comment
  CAS-BOT-BC232689  Navarretia pubescens G. DeNevers 1982-6-5 2043 Sonoma Pepperwood Ranch. In ditch along road below Strebel Comment
  UCD37162  Navarretia squarrosa Beecher Crampton 1957-7-22 4393 Sonoma Sonoma County, Sonoma Coast State Park, 11.7 miles south of Stewart's Point, along State Highway 1. Comment
  HSC17152  Navarretia viscidula H. K. Sharsmith 1952-7-6 4178 Sonoma Stewart's Point Rd. 12.2 mi. W of Skagg's Springs 579 Comment
  JEPS70509  Navarretia viscidula W. L. Jepson 1921-6-2 9298 Sonoma w of Windsor Comment
  UC972156  Navarretia viscidula Helen K. Sharsmith 1952-7-6 4178 Sonoma 12.2 mi w Skaggs Springs (Stewart's Point road) 579 Comment
  SEINET8729376 Image available Navarretia viscidula Helen K. Sharsmith 1952-1 4178 Sonoma Stewartt's Point road 12.2 miles west of Skagg's Spring. 579 Comment
  SEINET3156469  Nemophila atomaria L. S. Rose 1933-5-9 33160 Sonoma Bodega Bay Comment
  CAS-BOT-BC7192  Nemophila divaricata Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  CDA11326  Nemophila heterophylla G. F. Hrusa 1995-4-2 12036 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd. Knights Valley. Comment
  SEINET12345599  Nemophila menziesii F. H. Utech, Kawano, S.; Ohara, M. 1995-3-26 95 -59 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UC58514  Nemophila menziesii var. atomaria A. A. Heller 1903-4-23 6600 Sonoma Fort Ross 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
  UC67151  Nemophila menziesii var. atomaria Milo S. Baker 1899-3 Sonoma near Kenwood (Dr. Turk Canyon); Dr Turk Canyon, near Kenwood Comment
  UCD119926  Nemophila pedunculata Frederica Bowcutt 1994-5-1 1794 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. S of Sonoma Creek about 125 yards 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  UC32589  Nepeta cataria V. K. Chesnut Sonoma Petaluma Comment
  CAS-BOT-BC157691  Nicotiana Peter Rubtzoff 1956-9-16 2928 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CAS-BOT-BC290672  Nicotiana Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD148416  Nicotiana quadrivalvis Peter Rubtzoff 1959-9-19 4284 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  SD109448  Notholithocarpus densiflorus Jack Reveal 7/1981 2746 Sonoma near Annapolis 305 Comment
  POM140406  Oemleria cerasiformis A. A. Heller 1902-3-12 6916 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  UC1084362  Oemleria cerasiformis G. Thomas Robbins 1937-3-26 25 Sonoma cliffs near Bodega Bay Comment
  UC12460  Oemleria cerasiformis J. Burtt Davy 1896-3-13 1645 Sonoma Duncan's Mills Comment
  UCD149026  Onopordum illyricum Andrew Smith 2011-12-21 160423 0 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Road., near Mark West Springs Road. Comment
  JEPS11665  Orobanche californica subsp. californica W. L. Jepson 1931-7-19 15950 Sonoma Just north of mouth of Salmon Creek. Comment
  JEPS11691  Orobanche vallicola Bernard Lile 1933-10-1 Sonoma Russian R. bank near Cloverdale Comment
  POM15641  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-9 5236 Sonoma Three Miles South of Healdsburg. Comment
  RSA789046  Orthocarpus erianthus Carrie A. Herd 1982-3-16 25 Sonoma Santa Rosa, S.W. corner of Fulton and Piner Roads Comment
  RSA34066  Orthocarpus faucibarbatus A. A. Heller 1928-5-14 15090 Sonoma Just east of the town of Bodega. Comment
  POM180617  Orthocarpus faucibarbatus var. albidus J. T. Howell 1930-6-8 5278 Sonoma Hillside overlooking the ocean, 8 miles N of Bodega Bay Comment
  RSA402033A  Orthocarpus lacerus Christopher Davidson 1977-6-20 6006 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UC1295818  Osmorhiza berteroi unknown 1892-2 Sonoma Petrified Forest Comment
  SEINET12121674  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -169 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  UC1143151  Oxalis albicans subsp. pilosa H. S. Yates 1934-4-21 3825 Sonoma near Duncan Mills; Duncan Mills quad 60 Comment
  UCD160871  Packera greenei James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3422 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC91653  Packera greenei Katharine Curran July 1884 Sonoma Mt. St. Helena Comment
Read comments Mar 27 2016
  CAS-BOT-BC227659  Panicum Peter Rubtzoff; Nancy Harrison 1977-8-26 9120 Sonoma On grounds of Apple Time apple products cannery on the east side of former Perry Marsh, near Molino. Comment
  POM188279  Panicum acuminatum var. acuminatum Marcus E. Jones 1931-7-5 29210 Sonoma The Geysers. Comment
  UCD88406  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4386 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD88550  Panicum acuminatum var. fasciculatum Mary M. Hektner 1974-7-6 132 A Sonoma Unit 34-A Owners' Map, Sea Ranch. Comment
  UCD32825  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c Sonoma N.E. Sonoma County: The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). 493 Comment
  RSA0045170  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, at base of Al Cuneo's driveway. 91 Comment
  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
  RSA115687  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
  UCD88623  Parapholis incurva Beecher Crampton 1957-7-11 4342 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  UC984865  Parentucellia viscosa L. Beane and Lois E. James 1949-5-16 1963 Sonoma about 2 mi s Cloverdale Comment
  UCD123254  Parentucellia viscosa Gerald D. Carr 1972-4-25 693 Sonoma 0.4 mi W of Westside Rd. on Mill Cr. Rd. Comment
  UC157913  Parietaria pensylvanica Milo S. Baker 1898-6-12 679 Sonoma Geyser Canyon Comment
  JEPS128190  Parnassia palustris Roger Raiche 1999-9-20 034 .99 Sonoma The Cedars. Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC175545  Parnassia palustris Roger Raiche 1885-8-10 50721 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek 243 Comment
  CAS-BOT-BC175546  Parnassia palustris A. T. Graff 1920-10-17 s.n. Sonoma Cazadero Comment
  UCD88720  Paspalum dilatatum Frederica Bowcutt 1996-5-23 2144 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Entrance to campground in Adobe Canyon. 350 Comment
  RSA784154  Paspalum dilatatum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 miles SE of Bodega Hwy. (of Two Rock Church). Comment
  UC1071574  Paxistima myrsinites E. Armstrong 1934-3-26 905 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. 182 Comment
  CAS-BOT-BC202868  Paxistima myrsinites Roger Raiche 1985-11-29 RR 50901 Sonoma West of Cloverdale along Skunk Creek on Cherry Creek Road 2-4 mi w. of its origin at US-101 228 Comment
  JEPS128249  Pedicularis densiflora Roger Raiche 2000-5-5 096 .00 Sonoma The Cedars. Danfield Creek drainage near crest with Pepperwood Creek; topographic peak 2061. Gualala River, Wheatfield Fork watershed. Comment
  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-BC257363  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  UCD168038  Pellaea andromedifolia James A. Neilson Jr. 1981-3-13 3991 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  UC672463  Penstemon heterophyllus H. L. Mason 1934-4-28 8071 Sonoma Jensen's Ranch head of Dohrman Creek, Jensen's Ranch Comment
  UCD151229  Penstemon heterophyllus James A. Neilson Jr. 1974-5-17 2847 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UC1238912  Penstemon heterophyllus var. heterophyllus Freed W. Hoffman 1947-8-4 1419 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  NY811992  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640 Comment
  CAS-BOT-BC71730  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-3 1164 Sonoma South 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
  RSA97466  Perideridia kelloggii F. W. Peirson 1925-8-8 6343 Sonoma 5 miles south of Santa Rosa Comment
  UCD127852  Perideridia kelloggii K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  UC1312895  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Charles F. Quibell 1967-7-9 3790 Sonoma 1.5 mi nw The Geysers (above creek); Big Sulphur Creek 441 Comment
  CAS-BOT-BC413642  Persicaria amphibia Peter Rubtzoff 1971-9-3 6696 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413661  Persicaria amphibia Peter Rubtzoff 1966-10-9 5834 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC258011  Persicaria hydropiper Peter Rubtzoff 1973-8-15 7210 Sonoma Russian River at Squaw Rock, 6 miles south of Hopland. Comment
  CAS-BOT-BC419273  Persicaria maculosa Peter Rubtzoff 1970-8-5 6300 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC419274  Persicaria maculosa Peter Rubtzoff 1958-7-20 3787 B Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  CDA12022  Petasites frigidus var. palmatus G. F. Hrusa 1990-3-29 7584 Sonoma North Coast Biodiversity Arena; on of Stewarts Pt. rd. approx. 1 m E of Hwy. 1. Comment
  UC726925  Phacelia bolanderi A. A. Heller 1940-5-10 15603 Sonoma near bridge spanning the Gualala River (on road between Stewart Point and Skagg's Springs) Comment
  RSA184835  Phacelia distans L. S. Rose 1965-4-4 65021 Sonoma One mile north of Sonoma. 61 Comment
  UC1041061  Phacelia distans J. W. Congdon April 1880 Sonoma Petaluma Comment
  RSA426095  Phacelia distans Alice Eastwood 1933-5-7 18841 Sonoma Sonoma Comment
  UCD120407  Phacelia distans John Thomas Howell 1935-5-5 12622 Sonoma Mouth of Sonoma Creek Canyon. Comment
  OBI39524  Phacelia imbricata F. H. Utech, Walter and Ira Knight, Ira Knight 1984-4-16 84 -082 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.5 mi N on Cavedale rd from jctn 152 Comment
  UC901847  Phacelia imbricata Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 671 Sonoma 1 mi nw Lafayette School (ca 5 mi e of Guerneville); Fred McMurray Ranch Comment
  UCD120591  Phacelia imbricata John Thomas Howell 1929-6-9 4307 Sonoma On road to Petrified Forest, 7.5 miles from Santa Rosa. Comment
  UCR248887  Phalaris aquatica Peter Rubtzoff 1970-7-12 6283 Sonoma Guerneville Marsh Comment
  SEINET11690289  Phalaris aquatica J. T. Howell, Knight, W.; Knight, I. 1986-1 6125 Sonoma Llano Road between Growenstein Hwy and Todd Road Comment
  CAS-BOT-BC265841  Phalaris arundinacea Peter Rubtzoff 1962-6-21 4943 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road, Sonoma County Marshes Comment
  UCD88534  Phalaris arundinacea R. Tofsrud 1941-3-1 s.n. Sonoma Santa Rosa. Burbank Garden, S. R. Comment
  UCD21128  Phalaris lemmonii Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 303 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD89016  Phalaris lemmonii R. Tofsrud 1941-4-1 125 Sonoma Near Santa Rosa. Comment
  UC933815  Phalaris minor Leo Koch 1940-4-24 852 Sonoma at Cuttings Wharf near Petaluma; near Petaluma Comment
  UCR255672  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Laufenberg Ranch, Spencer Lane, Knights Valley 143 Comment
  HSC101099  Phalaris paradoxa Peter Warner 2011-8-10 227 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  JEPS69993  Phlox speciosa subsp. occidentalis Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (on Jensen ranch) Comment
  CAS-BOT-BC251214  Phyla nodiflora Peter Rubtzoff 1973-9-4 7301 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA227242  Phyla nodiflora Peter Rubtzoff 1958-7-26 3806 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD138381  Phyllospadix torreyi P. G. Connors 1993-6-6 317 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  CAS-BOT-BC140623  Physocarpus capitatus Peter Rubtzoff 1957-4-28 3287 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC140624  Physocarpus capitatus Peter Rubtzoff 1964-5-20 5314 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC140626  Physocarpus capitatus Greg de Nevers 1987-5-11 8179 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS76918  Physocarpus capitatus Robert M. Lloyd 1963-2-24 2060 Sonoma 0.2 mi n Bodega Bay City (on State Highway 1); n of Bodega Bay City Comment
  RSA534576  Physocarpus capitatus Peter Rubtzoff 1957-4-28 3287 Sonoma Lower Salmon Creek marsh. Thicket on hillslope at the edge of the marsh. Comment
  UCD113680  Physocarpus capitatus Mary M. Hektner 1975-6-3 208 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  OBI75343  Pickeringia montana Michener & Bioletti, Bioletti May 1893 s.n. Sonoma Hood's Peak Comment
  UCD134384  Pinus attenuata J. M. Tucker 1951-6-26 2142 Sonoma Near Top of the World Ranch, about 5 miles due east of Glen Ellen. Comment
Read comments Nov 30 2017
  CAS-BOT-BC78334  Pinus attenuata Elsa G. Ruckert 1960-3-12 19 Sonoma 1/2 mile from junction of Highway 12 on [Triniti] Trinity Road 335 Comment
  CAS-BOT-BC72878  Pinus muricata Daniel I. Axelrod 1983-7-7 E- 3 Sonoma Vicinity of Salt Point, State Highway 1. 76 Comment
  SEINET4467740 Image available Pinus muricata var. borealis D. I. Axelrod 1983-1 E- 3 Sonoma Comment
  JEPS45844  Piperia transversa Eleanor Armstrong Jun 1932 507 Sonoma near Camp Meek Comment
  RSA785154  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  RSA785159  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UC1229794  Plagiobothrys bracteatus Robert Ornduff 1960-4-21 6073 Sonoma in midst of housing development on both sides Hayes St. (s of Sonoma Elementary School, w edge of Sonoma); Sonoma Comment
  UCD150842  Plagiobothrys bracteatus 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
  JEPS21216  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UC577956  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma two mi s Mark West; Calistoga Quad. 152 Comment
  RSA151887  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma West edge of Sonoma. Both sides of Hayes St., south of Sonoma Elementary School. Comment
  HSC16835  Plantago lanceolata C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UCD81451  Plantago lanceolata M. Wiesendanger 1927-5-5 718 Sonoma Sonoma. Comment
  CAS-BOT-BC92123  Platystemon californicus Walter Knight; Irja Knight 1963-8-13 178 Sonoma Horseshoe Cove. Comment
  CAS-BOT-BC92119  Platystemon californicus Alice Eastwood; John Thomas Howell 1937-5-31 4509 Sonoma 6 miles north of Bodega Bay. 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-BC260974  Pleuropogon californicus var. californicus Peter Rubtzoff 1955-4-30 1802 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  RSA73965  Pleuropogon californicus var. californicus Milo S. Baker 1952-4-20 12402 Sonoma Western outskirts of Sonoma, along 5th street. Comment
  UCD90203  Pleuropogon californicus var. californicus A. A. Beetle 1946-5-6 4263 Sonoma 1/2 mile south of Cotati. Comment
  HREC248 Image available Pleuropogon hooverianus Chuck Williams 1998-5-21 2162 Sonoma Hopland Field Station: 4100 Pressley Rd. Comment
  UC1258194  Pleuropogon hooverianus Paul But 1975-4-1 P 25 Sonoma 0.5 mi from Freestone (along Bohemian Hwy at Freeston Flat Road) Comment
  SEINET10590010  Poa Etcheverry 1928-4-22 ETCHEVERRY s.n. Sonoma Wilbur Springs. 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
  CAS-BOT-BC255602  Poa annua Peter Rubtzoff 1953-5-16 1361 Sonoma Vacation Beach, near Guerneville, Banks of Russian River Comment
  HSC10653  Poa bulbosa C. S. Chavez 1965-4-19 45 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  CAS-BOT-BC254552  Poa douglasii A. A. Heller 1902-3-29 5187 Sonoma At Bodega Bay Comment
  CAS-BOT-BC246637  Poa howellii A. A. Heller 1902-3-27 5168 Sonoma Western base of Mt. Hood Comment
  POM204984  Poa howellii A. H. Heller 1902-3-27 5168 Sonoma Western base of Mt. Hood Comment
  UCD90524  Poa kelloggii Beecher Crampton 1955-6-17 2947 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC255838  Poa kelloggii Mary P. Wells 1985-4-11 467 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  SEINET10602215  Poa nevadensis A. Arthur Heller 1902-4-9 Heller 5245 Sonoma In a railroad cut 3 miles South of Healdsburg. Comment
  RSA227234  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh. Comment
  UC1023576  Poa pratensis subsp. pratensis Virginia Bufford 1936-5-22 395 Sonoma ca 5 mi from Annapolis (road to Pt Arena) Comment
  CAS-BOT-BC243245  Poa secunda subsp. secunda A. A. Heller 1902-4-9 5245 Sonoma In railroad cut 3 miles S of Healdsburg Comment
  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
  CAS-BOT-BC243250  Poa secunda subsp. secunda Catherine Best 1980-4-16 s.n. Sonoma Westerbeke Ranch near El Verano Comment
  CAS-BOT-BC244261  Poa unilateralis H. S. Yates 1934-4-21 3796 Sonoma Near Bodega 91 Comment
  UC463110  Poa unilateralis Milo S. Baker 1931-4-18 5390 Sonoma Bodega Bay Comment
  CAS-BOT-BC110663  Poaceae Peter Rubtzoff 1970-8-25 6342 Sonoma On Austin Creek beach, 0.5 miles north of Casadero. Comment
  SDSU19283  Pogogyne douglasii Scott McMillan 1993-6-10 10 VI93A Sonoma Bennett Rd. north of Glen Ellen. Comment
  UCD125414  Pogogyne douglasii Peter Rubtzoff 1971-5-30 6487 Sonoma 4.25 miles west of Glen Ellen. Comment
  SEINET9339237  Pogogyne douglasii Unknown 2009-5-12 Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). Associates: Juncus bufonius, Deschampsia danthoniodes, Leontodon taraxacoides. Comment
  UC1085297  Polemonium carneum J. Ewan 1935-5-13 9207 Sonoma 2 mi w Bodega (Bodega Bay road); w of Bodega, Bodega Bay road Comment
  JEPS128176  Polygala californica Roger Raiche 2001-5-17 025 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  RSA178014  Polygala californica Robert F. Thorne 1965-4-20 34338 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  CAS-BOT-BC110532  Polygonum Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC290599  Polygonum Peter Rubtzoff 1966-8-25 5802 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC183622  Polygonum arenastrum Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh Comment
  POM144893  Polygonum aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  CAS-BOT-BC414113  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC414114  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1954-8-4 1650 Sonoma Guerneville Marsh Comment
  SEINET11935785  Polygonum lapathifolium J. T. Vale 1988-1 Sonoma In old bed of Russian River about 1/4 mi below bridge at Hacienda among boulders Comment
  UCD136917  Polypodium californicum Frederica Bowcutt 1994-5-1 1755 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. Along Sonoma Creek just E of Bear Creek near bridge over Somona Creek. On Goodspeed trail about 30 yards from trail head. 198 Comment
  POM22455  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  CDA10946  Polypodium glycyrrhiza G. F. Hrusa, G. L. Stebbins 1994-3-28 11704 Sonoma North Coast Biodiversity Arena; Half-way to summit of grade immediately NW of Cazadero. 0 Comment
  CAS-BOT-BC233003  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC368033  Polypogon interruptus Greg de Nevers 1998-6-20 11290 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 400 Comment
  SEINET11690151  Polypogon interruptus W. Knight, Knight, I.; Howell, J. T. 1987-1 6281 Sonoma near Todd Road Preserve 24 Comment
  UCD51632  Polypogon interruptus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC233223  Polypogon maritimus Peter Rubtzoff 1963-6-22 5192 Sonoma Ca. 0.5 mile E of Bennett Mountain Lake Comment
  CAS-BOT-BC233224  Polypogon maritimus Peter Rubtzoff 1969-11-2 6205 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC237395  Polypogon monspeliensis John Thomas Howell; Walter & Irja Knight 1988-5-21 6225 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC237396  Polypogon monspeliensis Walter Knight; Irja Knight 1963-8-13 276 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC237409  Polypogon monspeliensis Peter Rubtzoff 1958-7-5 3745 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC237410  Polypogon monspeliensis Peter Rubtzoff 1958-8-9 3854 Sonoma Laguna de Santa Rosa N of Sebastopol (near Occidental Road) Comment
  UCD161843  Polypogon monspeliensis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr.) Comment
  UCD91320  Polypogon monspeliensis Mary M. Hektner 1974-6-28 79 A Sonoma In gravel yard adjacent to the B. Kirkwood House; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR248904  Polypogon monspeliensis Peter Rubtzoff 1973-9-4 7293 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  RSA94461  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville; Southern half of Lower Marsh. Comment
  UCD151138  Polystichum californicum James A. Neilson Jr. 1973-6-6 2966 Sonoma Mayacmas Mountains. The Geysers. Intermittent stream west of Geyser Canyon. (Elevation estimated using Google Earth by label maker.) 441 Comment
  CAS-BOT-BC72174  Polystichum californicum Peter H. Raven 1950-4-23 1885 Sonoma Sobre Vista 152 Comment
  HSC86326  Polystichum californicum R. W. Becking 1984-3-9 Sonoma Cloverdale, Hwy. 128 W 2 mi. from Hwy. 101 intersection, Alderglen Springs Comment
  SEINET6744750  Polystichum californicum Michener, Bioletti 1893-1 Sonoma Adobe Canon Comment
  HSC76927  Polystichum dudleyi R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  SEINET11720937  Polystichum dudleyi F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -63 Sonoma Glen Ellen area, junction Warm Springs Road & Sonoma Mt. Road along Graham Creek Comment
  SEINET11719200  Polystichum dudleyi W. Knight, Knight, I. 1988-1 6261 Sonoma Jrost Ranch, Calistoga Road, on E side between St. Helena Road and Petrified Forest Road 122 Comment
  JEPS97814  Polystichum munitum B. Bartholomew, W. Roderick, J. Domzalski 1975-12-1 Sonoma Willow Creek Rd, W of Occidental Comment
  SEINET11718543  Polystichum munitum W. Knight, Knight, I.; Ellman, P. 1986-1 5849 Sonoma Bouverie Audubon preserve, 0.75 mi E of parking lot on fire road 46 Comment
  CAS-BOT-BC445299  Portulaca oleracea Peter Rubtzoff 1958-8-16 3870 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC267132  Potamogeton M. S. Baker 1899-6-1 3657 b Sonoma Near Valley Ford Comment
  UCD165871  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC257682  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa. Comment
  UCR244640  Potamogeton pectinatus Peter Rubtzoff 1970-8-5 6296 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  CAS-BOT-BC454022  Potamogeton pectinatus Peter Rubtzoff 1955-9-9 2123 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC454082  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1963-7-27 5214 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC141949  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  SD37703  Potentilla norvegica Edith A. Purer 1932-7-24 4068 Sonoma Roadside from Bodega Bay to Santa Rosa-canon Comment
  UCD168044  Prosartes hookeri James A. Neilson Jr. 1981-3-13 3997 Sonoma Mayacmas Mountains, Hummingbird Creek, Squaw Creek drainage. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC516399  Prosartes hookeri G. DeNevers 1981-4-11 693 Sonoma Road below Lower Orchard, Pepperwood Ranch Comment
  CDA40757  Prunella vulgaris subsp. lanceolata G. D. Barbe 1982-5-27 3617 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  JEPS20444  Pseudognaphalium beneolens W. L. Jepson 1892-8-8 14744 Sonoma Alexander Valley Comment
  CAS-BOT-BC361615  Pseudognaphalium stramineum A. A. Heller 1982-5-27 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC361616  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  HSC2215  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  NY63889  Pseudotsuga menziesii var. menziesii A. A. Heller 1902-3-31 s.n. Sonoma Mt. Hood Comment
  UCD133373  Pseudotsuga menziesii var. menziesii Beecher Crampton 1960-10-10 5789 Sonoma 5 miles northwest of Calistoga, Franz Valley, along Highway 128. Comment
  SEINET8520575 Image available Pseudotsuga taxifolia L. Fallon 1939-1 s.n. Sonoma 10 miles north of Guerneville. Comment
  CAS-BOT-BC166788  Psilocarphus Peter Rubtzoff 1974-6-9 7587 Sonoma Upper Green Valley Marsh. Comment
  RSA784567  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCD166213  Psilocarphus Peter Rubtzoff 1970-5-16 6228 Sonoma 5 miles north of Sears Point. 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
  CAS-BOT-BC72689  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  JEPS79501  Pteridium aquilinum var. pubescens Edward Lee 1936-6-5 2175 Sonoma Trail No. 10 Bohemian Grove Comment
  UCD160872  Pteridium aquilinum var. pubescens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3266 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC1201280  Pteridium aquilinum var. pubescens E. Samuels 231 Sonoma Comment
  CAS-BOT-BC460849  Pyrola aphylla Juanita E. Charles 1925-6-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC94231  Quercus X eplingii G. De Nevers 1981-9-5 1812 Sonoma Pepperwood Ranch. Bottom of Bauer's driveway, near Hansel's Corral Comment
  UCD46050  Quercus X eplingii G. F. Hrusa; R. Gross 1999-6-12 15076 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  CDA11260  Quercus X morehus G. F. Hrusa 1994-10-25 11915 Sonoma North Coast Biodiversity Arena; Austin Creek State Recreation Area. Gilliam Creek, below Bullfrog Pond Camp. Comment
  UC748500  Quercus X morehus Milo S. Baker 1946-8-17 11568 Sonoma about 1.5 mi w (air line) Cunningham (near residence of Mr. Voit) Comment
  SEINET12029927  Quercus X morehus W. Knight, Knight, I.; Howell, J. T. 1984-1 5081 Sonoma 1.85 mi up Cavedale Rd. from hwy 12 130 Comment
  CAS-BOT-BC61634  Quercus agrifolia Margot Lowry 1983-5-1 40 Sonoma ca. one mile from top of Sonoma Mtn Rd., on Sonoma Mtn. 500 Comment
  UCD45276  Quercus berberidifolia Roman Gankin 1967-10-4 1078 4 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCD45290  Quercus berberidifolia Frederica Bowcutt 1994-6-25 1920 Sonoma 670 Comment
  CAS-BOT-BC79565  Quercus dumosa Walter Knight; Irja Knight 1963-1-9 146 Sonoma Pine Mt. Rd. NE of Clverdale Comment
  CAS-BOT-BC79567  Quercus dumosa Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5141 Sonoma Pine Flat Road 335 Comment
  CAS-BOT-BC79571  Quercus dumosa John Thomas Howell 1926-10-3 2214 Sonoma Petrified Forest Comment
  SEINET12030394  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  CAS-BOT-BC94668  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 Comment
  UCD46178  Quercus garryana Roman Gankin 1967-10-4 1078 2 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  POM270134  Quercus garryana var. garryana Lyman Benson 1933-8-23 5687 Sonoma Mark West Springs, Hood's Peak Mt. Range. 305 Comment
  UC1281159  Quercus kelloggii H. E. McMinn 1938-9-5 5256 Sonoma Hood Mt. Range Comment
  SEINET12030401  Quercus kelloggii W. Knight, Knight, I.; Edwards, S. 1986-1 5322 Sonoma along trail to summit of Geyser Peak. access from Healdsburg-Geysers Road 872 Comment
  CAS-BOT-BC134862  Quercus wislizeni G. DeNevers 1981-9-5 1820 Sonoma Pepperwood Ranch. Across the creek from the Goat Pens Comment
  RSA0051271  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch, south end of valley. 91 Comment
  UC9381  Ranunculus aquatilis var. capillaceus State Survey 1862-4-18 970 Sonoma ponds near Sonoma Comment
Read comments Jan 20 2011
  SD133985  Ranunculus aquatilis var. hispidulus Greg de Nevers 1987-2-28 8128 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  CAS-BOT-BC378951  Ranunculus arvensis Peter Rubtzoff; H. A. Froebe 1971-5-30 6490 Sonoma dry bed of vernal pool 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  UCD95980  Ranunculus californicus Rimy Waraich; Patti Togioka, Valerie Bullock 1993-5-8 223 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail. 365 Comment
  CAS-BOT-BC378685  Ranunculus californicus var. californicus Mrs. H. C. Cantelow 1940-4-20 4250 Sonoma about 0.67 mi north of Bay Highway 1 Comment
  CAS-BOT-BC378686  Ranunculus californicus var. californicus John H. Thomas 1976-6-16 18272 Sonoma southern part of Sea Ranch, northwestern part of county, about 7 mi south of Gualala Comment
  CAS-BOT-BC83438  Ranunculus lobbii A. A. Heller; H. E. Brown 1902-3-14 5060 Sonoma Near Windsor. Comment
  JEPS86343  Ranunculus lobbii Jack and Betty Guggolz 1988-2-18 899 Sonoma pool about 1/8 mi e Fulton Road (1/4 mi n of Guerneville) Comment
  UC75778  Ranunculus lobbii Miss M. Alice King April, 1897 Sonoma near Healdsburg Comment
  RSA534585  Ranunculus muricatus Peter Rubtzoff 1969-5-11 6033 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UCD167340  Ranunculus muricatus James A. Neilson Jr. 1983-5-9 4093 Sonoma Mayacmas Mountains. About 3 mi north of beginning of Geysers-Healdsberg Rd. (Location information obtained from Neilson 4091 which indicated mileage is from the beginning of Geysers-Healdsberg Rd. Exact location unknown. Coordinates estimated by label maker.) Comment
  POM268846  Ranunculus muricatus A. A. Heller, H. E. Brown 1903-4-23 5356 Sonoma Near Sonoma. Comment
  UC1542900  Ranunculus occidentalis H. E. and S. T. Parks 1930-5-9 614 Sonoma Alexander Valley; on banks of stream entering valley Comment
  RSA3940  Ranunculus occidentalis var. eisenii I. L. Wiggins 1932-3-12 5758 Sonoma Between Franz Valley and Knight's Valley. Comment
  RSA178036  Ranunculus orthorhynchus var. bloomeri Robert F. Thorne 1965-4-19 34267 Sonoma Titus Ranch, Valley Ford. 18 Comment
  HSC100877  Reseda luteola Peter Warner 2011-6-16 216 Sonoma Jenner Headlands property, NE area on ridge between Jenner Gulch and Kidd Creek watersheds, ~400 m E from gate at boundary with the E & P Ranch, along 'east ridge' road. 413 Comment
  UCR179424  Rhagadiolus stellatus Caitlin Lewis, William Mutch 1993-4-17 s.n. Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco, 11 air mi east of Santa Rosa, and 2.5 mi NE of Kenwood. Adobe Canyon N of Sugarloaf Ridge and south of Red Mountain, near visitor center, along Sonoma Creek 366 Comment
  JEPS78946  Rhamnus californica subsp. californica Edward Lee 1936-6-8 2213 Sonoma North Ridge to Smith Creek (Trail 3A) Comment
  CAS-BOT-BC55941  Rhamnus crocea Walter Knight; Irja Knight 1963-12-27 458 Sonoma Pine Flat Rd. Comment
  CAS-BOT-BC226795  Rhododendron occidentale G. F. Hrusa 1989-5-8 7003 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma 518 Comment
  CAS-BOT-BC200334  Rhododendron occidentale var. occidentale Peter Rubtzoff 1957-5-11 3325 Sonoma Near Occidental-Graton road, 2.7 miles east of Occidental Comment
  CAS-BOT-BC200348  Rhododendron occidentale var. occidentale Peter Rubtzoff 1959-6-7 4106 Sonoma Bank of Russian River betw. East Guernewood and Vacation Beach, near Guerneville Comment
  CAS-BOT-BC111873  Rhynchospora alba Hans Leschke; John Thomas Howell; Baker 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111874  Rhynchospora alba John Thomas Howell; Milo S. Baker; Hans Leschke 1945-7-18 21325 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC350939  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh. Comment
  RSA94069  Rhynchospora californica J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  JEPS117112  Rhynchospora capillacea Peter Warner 2010-7-29 175 Sonoma Lower Pitkin Marsh, N of primary drainage channel, ~ 350 m, N 44 deg.E from Hwy. 116 gate, in quaking bog (fen) area. Comment
  UC1026382  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  JEPS83544  Rhynchospora globularis var. globularis Jack and Betty Guggolz 1987-6-9 891 Sonoma wet area at n end Pitkin Marsh (on what has been known as the Wilhoff property, now owned by Barry Samuels) Comment
  JEPS128275  Ribes californicum Roger Raiche 2004-2-15 043 .04 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  POM142003  Ribes californicum A. A. Heller 1903-4-24 6364 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC168997  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1958-6-1 3700 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road Comment
  CAS-BOT-BC186077  Ribes roezlii var. roezlii Susan M. Smith 2004-2-9 s.n. Sonoma Over 80 acre on native plant preserve Nefertierra. Off St. Helena Rd, 3 1/2 m. e. of Calistoga Rd. 472 Comment
  UC465795  Ribes sanguineum var. glutinosum W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  CAS-BOT-BC362937  Rigiopappus leptocladus Alice Eastwood 1915-6-5 4587 Sonoma Petrified Forest Comment
  UC90662  Rigiopappus leptocladus Katharine Brandegee Sonoma Cloverdale Comment
  CAS-BOT-BC74694  Rorippa curvisiliqua Peter Rubtzoff 1955-9-10 2143 Sonoma Vacation Beach, near Guernville. Bank of Russian River. Comment
  CAS-BOT-BC74702  Rorippa curvisiliqua Peter Rubtzoff 1959-4-19 4043 Sonoma Ross Marsh. Comment
  CAS-BOT-BC152662  Rosa californica Peter Rubtzoff 1958-7-19 3770 Sonoma Laguna de Santa rosa east of Sebastopol Comment
  RSA800130  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC146773  Rosa gymnocarpa Irja Knight; Walter Knight 1964-11-15 782 Sonoma Hood's Peak on road to enroute to Johnson Lake Comment
  UCR55866  Rosa gymnocarpa Fran Sibel 1965-5-28 326 Sonoma North Coast, along Gualala River off Hwy 1 and east toward Anapolis 152 Comment
  CAS-BOT-BC146774  Rosa gymnocarpa G. DeNevers 1982-5-18 2021 Sonoma N side of Franz Valley Road, 3/4 mile past top of hill Comment
  UCD160865  Rosa spithamea James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3265 Sonoma Mayacmas Mountains, Caldwell Pines, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC146921  Rosa spithamea Milo S. Baker 1947-5-7 11755 Sonoma Hood Mt. E. of residence of Macartney Ranch, Summit of Rose Butte 228 Comment
  CAS-BOT-BC344899  Rosaceae Peter Rubtzoff 1951-8-26 684 Sonoma Along road from East Guernewood to Vacation Beach (Guerneville Region). Comment
  CAS-BOT-BC262829  Rubus Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh. Comment
  UCD113551  Rubus armeniacus Frederica Bowcutt 1994-5-21 1836 Sonoma Sugarloaf 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. On side of hillside trail past junction with Digger Pine Trail approximately 1 mile. 411 Comment
  POM91634  Rubus macropetalus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  RSA800355  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC157173  Rubus ursinus Alice Eastwood; John Thomas Howell 1939-4-2 7359 Sonoma Larkspur Rock Comment
  CAS-BOT-BC157174  Rubus ursinus Alice Eastwood 1915-6-29 4803 Sonoma Bodega Point Comment
  CAS-BOT-BC164402  Rumex Peter Rubtzoff 1959-6-20 4169 Sonoma Willow Creek Marsh. Comment
  UC1042523  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma near Forestville (e branch of Upper Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC422233  Rumex acetosella Peter Rubtzoff 1951-7-21 511 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes. Comment
  CAS-BOT-BC422235  Rumex acetosella J. D. Randall 1907-7-12 297 Sonoma Sebastopol Comment
  CAS-BOT-BC422236  Rumex acetosella John H. Thomas 1976-6-16 18258 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD101008  Rumex acetosella Adam Green; Bowcutt 1994-5-1 1787 Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. S of Sonoma Creek about 125 yards 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  UCD101060  Rumex acetosella Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 72 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  UCR222560  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16238 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC421849  Rumex conglomeratus Mary P. Wells 1985-7-1 522 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC166969  Rumex crispus Peter Rubtzoff 1959-9-13 4268 Sonoma Vacation Beach, near Guerneville. 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
  CAS-BOT-BC433741  Rumex occidentalis Mary P. Wells 1987-2-28 846 Sonoma Within the fork in the north creek south of Pacific Reach. The Seaside Meadow of The Sea Ranch. Comment
  CDA2888  Rumex pulcher G. D. Barbe 1982-5-27 3621 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  UCD101464  Rumex pulcher Frederica Bowcutt 1994-6-24 1881 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek. Along Goodspeed trail, about 1/8 mile from trailhead on Adobe Canyon Rd. 213 Comment
  UCD101469  Rumex pulcher M. Wiesendanger 1927-5-5 708 Sonoma location unknown. Comment
  SEINET4344595 Image available Rytidosperma penicillatum Unknown 2003-7-19 18246 Sonoma Bodega Bay, coastal meadow behind community center on west side of Hwy 1 north of town. Comment
  CAS-BOT-BC249311  Sagina Peter Rubtzoff 1953-5-30 1419 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  UC569  Sagittaria cuneata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC445697  Sagittaria cuneata Peter Rubtzoff 1972-6-29 6816 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC445769  Sagittaria latifolia F. G. Krauss 1893-10-14 s.n. Sonoma County Road, Sonoma Valley Comment
  CAS-BOT-BC445803  Sagittaria montevidensis Peter Rubtzoff 1970-8-18 6305 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC445804  Sagittaria montevidensis Peter Rubtzoff 1970-5-16 6221 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC290708  Salix Peter Rubtzoff 1974-4-6 7358 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC290712  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh. Comment
  UCR249071  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh 120 Comment
  UCR249072  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh 120 Comment
  RSA0015573  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. At south margin of the area. Comment
  CAS-BOT-BC126265  Salix X sepulcralis W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road, six miles from Petaluma Comment
  CAS-BOT-BC126266  Salix X sepulcralis W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road, six miles from Petaluma Comment
  CAS-BOT-BC103088  Salix bonplandiana Peter Rubtzoff 1963-10-5 5292 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103947  Salix exigua Peter Rubtzoff 1966-4-30 5698 Sonoma Todd Road 1.4 mi. from Highway 116 and 0.6 mi. from Llano Road Comment
  UC1134887  Salix exigua var. hindsiana H. S. Yates 1934-4-21 3818 Sonoma near Monte Rio; Duncan Mills Quadrangle Comment
  UC453085  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 6 Sonoma bed of Russian R. at Bohemian Grove near Monte Rio Comment
  UC482047  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 38 Sonoma 25 km n.w. of Calistoga (Maacama Creek) Comment
  UC66147  Salix exigua var. hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley se of Santa Rosa Comment
  CAS-BOT-BC107752  Salix hindsiana H. E. McMinn 1922-6-7 182 Sonoma Along Russian River near Guerneville Comment
  CAS-BOT-BC107800  Salix hindsiana Ball; Bracelin; Parks 1931-4-21 38 Sonoma Mayacama Creek, 25 km. northwest of Calistoga, in ravine above creek Comment
  UC482326  Salix laevigata C. R. Ball and H. E. Parks 1931-2-17 22 Sonoma 1 mi s. Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  UC66157  Salix laevigata A. A. Heller 1902-4-18 5335 Sonoma on Russian R. near Windsor; Russian R. Comment
  CAS-BOT-BC128067  Salix lasiandra var. lasiandra Baker; Ball; Bracelin; Crum 1931-5-9 347 Sonoma About 2 km. east of Bodega Bay. Comment
  CAS-BOT-BC128100  Salix lasiandra var. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC107253  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma Hills two miles southeast of Santa Rosa Comment
  CAS-BOT-BC107254  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-21 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga 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
  RSA94338  Salix lasiolepis Peter Rubtzoff 1952-3-23 895 Sonoma S of the Upper Marsh. Comment
  CAS-BOT-BC125698  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  SBBG57920  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  UC453094  Salix melanopsis W. A. Setchell 1931-7-25 13 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC126179  Salix scouleriana Peter Rubtzoff; J. E. Eckenwalder 1973-10-3 7332 Sonoma 0.75 mi northwest of Freestone Comment
  SD881  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 342 Sonoma Two km east of Occidental, on Occidental Grade, arroyo bank Comment
  UC453110  Salix sitchensis W. A. Setchell 1931-8-1 24 Sonoma 1 1/2 mi. in from Jenner-by-the-Sea (near Ferry Camp) Comment
  UC524786  Salix sitchensis W. A. Setchell 1934-7-10 4 Sonoma Coast Hwy. above Fort Ross (Kru's Ranch) Comment
  LA208958  Salix sitchensis Carleton R. Ball; Bracelin, Parks, Parks 1931-4-21 35 Sonoma Mancama Creek, 25 km NE of Calistoga Comment
  UCSB10843  Salix sitchensis Baker, Milo; Ball, Carleton; Bracelin, H. 1931-5-9 Sonoma About 2 km. east of Bodega Bay, Sonoma County Comment
  CAS-BOT-BC366941  Salvia columbariae Greg de Nevers 1993-5-30 10466 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  UCR255030  Salvia columbariae Greg de Nevers 1993-5-30 10466 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC225216  Salvia sonomensis Walter Knight; Irja Knight 1963-10-27 437 Sonoma Spring Mt. Rd. Comment
  CAS-BOT-BC225215  Salvia sonomensis Wayne Roderick 1967-4-28 s.n. Sonoma Cavedale Road n. of Sonoma 457 Comment
  SEINET12327832  Sambucus callicarpa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -159 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  UC1057437  Sanicula arctopoides G. Thomas Robbins 1937-3-26 22 Sonoma near Bodega Bay Comment
  RSA178020  Sanicula crassicaulis R. F. Thorne 1965-4-19 34313 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UC1541382  Sanicula crassicaulis H. E. and S. T. Parks 1930-5-9 615 Sonoma in Alexander Valley Alexander Valley Comment
  JEPS128263  Sanicula laciniata Roger Raiche 2000-4-15 035 .00 Sonoma The Cedars. Laton Camp. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET13945233 Image available Sanicula menziesii Carl B. Wolf 1934-1 5804 Sonoma 0.6 mi inland from Stewarts Point, alt. ca 200 ft 61 Comment
  RSA94301  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Dry, open ground bordering the upper marsh in the W. Comment
  CAS-BOT-BC436873  Saxifraga Alice Eastwood 1917-5-13 n.s. Sonoma Between Bodega and the bay Comment
  UC1084361  Saxifraga mertensiana G. Thomas Robbins 1937-3-26 24 Sonoma near Bodega Bay Comment
  UC858771  Saxifraga mertensiana Lewis S. Rose 1939-4-2 39047 Sonoma 1 mi e of Bodega Bay 45 Comment
  CAS-BOT-BC441181  Saxifraga mertensiana R. Bacigalupi 1948-3-6 2854 Sonoma One mile west of Skaggs Springs, on cliff Comment
  RSA474863  Saxifraga mertensiana R. C. Bacigalupi 1948-3-6 2854 Sonoma 1 mile W of Skaggs Springs. Comment
  UCD102936  Saxifraga mertensiana Rimo Bacigalupi 1948-3-6 2854 Sonoma One mile west of Skaggs Springs. Comment
  RSA178019  Scandix pecten-veneris R. F. Thorne 1965-4-19 34278 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UCD65652  Schedonorus arundinaceus Gerry North 1993-4 35 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area, 50 m east of foot bridge. 365 Comment
  RSA0022394  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna road. Comment
  CAS-BOT-BC111635  Schoenoplectus californicus Peter Rubtzoff 1967-8-28 5871 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111634  Schoenoplectus californicus Peter Rubtzoff 1963-9-1 5249 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC111636  Schoenoplectus californicus Peter Rubtzoff 1955-8-6 2020 Sonoma Bodega Harbor Marsh. Comment
  RSA0015642  Schoenoplectus maritimus Peter Rubtzoff 1963-8-17 5221 Sonoma Salt marsh near Petaluma River just east of Petaluma. Comment
  SEINET11750538  Schoenoplectus tabernaemontani H. K. Wagnon 1988-1 1744 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Dr 73 Comment
  UCR248961  Scirpus maritimus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC111118  Scirpus microcarpus Gregory Clark de Nevers 1992-7-25 10234 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 304 Comment
  RSA227198  Scirpus microcarpus Peter Rubtzoff 1958-9-6 3982 Sonoma Laguna de Santa Rosa, east of Sebastopol Comment
  UC1023610  Scribneria bolanderi Virginia Bufford 1935-4-14 438 Sonoma Occidental, Blundin's Pasture Occidental; , Blundin's Pasture Comment
  CAS-BOT-BC311817  Scrophularia californica Peter Rubtzoff 1967-8-28 5870 Sonoma Lower Salmon Creek Marsh. Comment
  UCD161244  Scrophularia californica James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3694 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
  POM14854  Scrophularia californica A. A. Heller, H. E. Brown 1902-4-17 5321 Sonoma Hills at Santa Rosa Comment
  CAS-BOT-BC344882  Scrophulariaceae Peter Rubtzoff 1964-6-6 5355 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  UCD125503  Scutellaria californica Frederica Bowcutt 1994-6-25 1904 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Meadow Trail at Gray Pine Trailhead. Comment
  HSC6467  Sedella pumila Leo Koch 1940-4-24 848 Sonoma N of Agua Caliente Comment
  CAS-BOT-BC64096  Sedum radiatum subsp. radiatum A. A. Heller 1902-6-28 5789 Sonoma Between Knight's Valley and Mark West Springs Comment
  SEINET194264 Image available Selaginella A. A. Heller 1902-4-2 Sonoma On the Calistoga Road 10 mi from Santa Rosa Comment
  UC371002  Selaginella wallacei Michener and Bioletti 1893-12-25 Sonoma Adobe Canyon Comment
  UCD135499  Senecio glomeratus P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCR45083  Senecio greenei L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  CDA35516  Senecio jacobaea Ed Finley 1986-8-2 s.n. Sonoma Sea Ranch, Coast Hwy 1, west side, near marker 53.41. 0 Comment
  SEINET9327115  Senecio vulgaris John Nelson, Wnek, Richard 2000-3-7 20942 Sonoma On open gravelly ground next to driveway at Fern Grove Cottages; W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  LA16918  Sequoia sempervirens C. B. Wolf; E. R. Johnson 1934-10-13 6179 Sonoma Log Cabin Ranch inland from Gualala 304 Comment
  UC401314  Sequoia sempervirens W. P. Taylor 1913-6-1 Sonoma Freestone Comment
  CAS-BOT-BC240152  Setaria pumila Peter Rubtzoff 1968-9-21 5971 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  UCR255867  Setaria pumila Greg de Nevers 1996-9-22 10877 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA0020349  Sidalcea Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC187887  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-19 640 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  UC1299201  Sidalcea diploscypha Freed W. Hoffman 1950-5-27 3592 Sonoma on Healdsburg-Guerneville Highway North Coast Ranges, Roy Litton Ranch (Roy Litton Ranch) Comment
  UC18875  Sidalcea diploscypha F. T. Bioletti 1892-1 Sonoma Comment
  CAS-BOT-BC205564  Sidalcea malachroides L. R. Abrams 1920-7-3 7604 Sonoma Gualala River near Mendocino-Sonoma Co. Line Comment
  RSA245528  Sidalcea malviflora Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1103 Sonoma Fort Ross State Park. Comment
  UC1124977  Sidalcea malviflora subsp. laciniata H. S. Yates 1934-4-22 3858 Sonoma Sonoma Canyon Santa Rosa Quad., Sonoma Canyon Comment
  UC1013153  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma about 1/4 mi w Kenwood (Kenwood Marsh); w of Kenwood, Kenwood Marsh Comment
  CAS-BOT-BC251240  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  JEPS50892  Silene californica M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 235 Sonoma near Guerneville; Russian River, near Guerneville Comment
  SEINET11935228  Silene californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -237 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC1137860  Silene gallica H. S. Yates 1934-4-22 3856 Sonoma 2 mi s Mark West; Calistoga Quad., s of Mark West Comment
  CAS-BOT-BC389228  Silene laciniata subsp. californica Volney Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  UC852864  Silene scouleri subsp. grandis Baker 1938-6-6 9026 Sonoma top of Bodega Rock North Bay Counties, Bodega Bay, top of Bodega Rock Comment
  CAS-BOT-BC74907  Sinapis arvensis John Thomas Howell 1934-3-25 11784 Sonoma M.S. Baker place, mouth of Sonoma Creek Canyon. Comment
  CAS-BOT-BC75370  Sisymbrium officinale Peter Rubtzoff 1951-7-21 490 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Near the highway. Comment
  SEINET12051395  Sisyrinchium bellum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -260 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  RSA94316  Sisyrinchium californicum Peter Rubtzoff 1951-6-7 135 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  JEPS62131  Smilacina racemosa Docia Patchett 1917-5-12 Sonoma on grade near Annapolis Comment
  SEINET3887843  Smilacina racemosa James Faro 1962-4-20 24 Sonoma About 5 miles North of Geurneville on the Old Cazadero Rd.; 0 Comment
  UC3881  Smilacina stellata Maclean Sonoma banks near Geysers Comment
  CAS-BOT-BC164418  Solanum Peter Rubtzoff 1965-8-22 5613 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164421  Solanum Peter Rubtzoff 1969-8-29 6174 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC164687  Solanum Peter Rubtzoff 1951-8-5 594 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  CAS-BOT-BC164706  Solanum Peter Rubtzoff 1952-6-15 1267 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  RSA0030765  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UCD126816  Solanum americanum C. B. Heiser; D. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  UC914097  Solanum physalifolium var. nitidibaccatum Herbert A. Thomas 1935-11-23 Sonoma Burbank Farm Comment
  CAS-BOT-BC361298  Solanum rostratum Greg de Nevers 1997-5-17 11002 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, on Oak Hill Ranch 457 Comment
  RSA227216  Solanum umbelliferum Peter Rubtzoff 1960-5-16 4358 Sonoma Duncans mills marsh. m thickets along streamlet in upper portion of the marsh. Comment
  POM58783  Solidago californica A. A. Heller 1902-7-2 6055 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC365258  Solidago velutina subsp. californica Greg de Nevers; Frank Almeda 1987-4-11 8137 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC365265  Solidago velutina subsp. californica G. DeNevers 1981-7-28 1875 Sonoma Pepperwood Ranch. E side of Leslie Road, 40 miles S of the 1st bridge Comment
  CAS-BOT-BC365266  Solidago velutina subsp. californica G. DeNevers 1981-6-15 1530 Sonoma Pepperwood Ranch. Below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  CAS-BOT-BC164384  Sonchus Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  UC1146596  Sorghum halepense Freed W. Hoffman July 1941 2220 Sonoma near Guerneville; North Coast Ranges Comment
  SD134040  Sparganium angustifolium Peter Rubtzoff 1972-6-24 6790 Sonoma Atascadero Creek Marsh, open Comment
  RSA227248  Sparganium angustifolium subsp. emersum Peter Rubtzoff 1954-7-27 1587 Sonoma Guerneville Marsh, in the northwestern end of the marsh. Comment
  UCD94845  Sparganium emersum Malcolm A. Knobs; S. Galen Smith 1949-8-1 1109 Sonoma 2 miles E of Stewart's Point on road to Geyserville. Comment
  UCD95027  Spartina foliosa R. Tofsrud 1941-9-1 173 Sonoma Bridge at Tolay Creek. Comment
  CDA37709  Spartium junceum Breckenridge/Filippini 2007-4-15 s.n. Sonoma Healdsburg, on Highway 101. 0 Comment
  SEINET7040127  Spergula arvensis A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. 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
  JEPS64498  Spiranthes porrifolia W. L. Jepson 1921-6-2 9302 a Sonoma Poor Man's Flat Windsor (in same field as #7657) Comment
  CAS-BOT-BC500697  Stachys Peter Rubtzoff 1958-7-5 3737 Sonoma Atascadero Creek 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
  UC494179  Stachys ajugoides var. rigida H. E. and S. T. Parks 1930-5-9 618 Sonoma small stream at head Alexander Valley Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD125557  Stachys albens Frederica Bowcutt 1994-6-24 1893 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  UC884281  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  SEINET12327820  Stachys rigida subsp. quercetorum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -081 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 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
  UCD126055  Stachys rigida var. quercetorum Cynthia Hodges 1982-4-8 10 Sonoma 10 miles south of Healdsburg on Chalk Hill Road. 38 Comment
  CAS-BOT-BC251268  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  RSA0022424  Stellaria Peter Rubtzoff 1970-10-29 6418 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC251255  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-6-4 1901 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC251256  Stellaria media Peter Rubtzoff 1964-7-29 5437 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC293752  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. North-facing slope bordering the marsh in the south. Comment
  UCR142044  Stipa lepida Beecher Crampton 1955-6-17 2966 Sonoma North Coast, 1.5 miles east of Fort Ross 366 Comment
  JEPS78239  Streptanthus barbiger Charley Patterson 1979-6-22 Sonoma ca 3 air mi sw Whispering Pines (recently disturbed fire break); Whispering Pines Quad Comment
Read comments Apr 16 2007
  RSA339382  Streptanthus barbiger Roger Raiche 1984-6-10 40212 Sonoma 8.6 miles west on Hot Springs Road from its origin at US Hwy 101 near Cloverdale, across Dry Creek 198 Comment
  UC956502  Streptanthus barbiger Freed W. Hoffman 1947-5-30 1032 Sonoma Layton Mine North Coast Ranges, Main Austin Creek Comment
  UCD161423  Streptanthus brachiatus James A. Neilson Jr. 1977-6-7 3903 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1292755  Streptanthus glandulosus Freed W. Hoffman 1947-6-4 1066 Sonoma near Dorr's Cabin, East Austin Creek Comment
  UCD167408  Streptanthus glandulosus James Neilson 1977-3-25 3851 Sonoma Mayacmas Mountains, about 3 miles south Pine Flat on Pine Flat Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC87235  Streptanthus glandulosus subsp. glandulosus H. N. Bolander 1864-4-1 3944 Sonoma At the Geysers. Comment
  UC72933  Streptanthus glandulosus subsp. glandulosus Milo S. Baker 1898-6-12 646 Sonoma Geyer Road Geyser Canyon Comment
  JEPS86337  Streptanthus glandulosus subsp. secundus Jack and Betty Guggolz 1988-5-8 928 Sonoma outcrop on e side of Pine Flat Road 7.9 mi from Hwy 128 Comment
  UC1492745  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-12 2355 Sonoma headwaters of Warm Springs Creek North Coast Ranges, Bob Caughey Ranch Comment
  UC985955  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-18 1062 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC1492747  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1951-5-24 3861 Sonoma Blue Knoll North Coast Ranges, Ungewitter Ranch (w of Cazadero) Comment
  SEINET12006991  Streptanthus heterophyllus Unknown 1936-1 13416 Sonoma near Healdsburg Comment
  UCD167450  Streptanthus morrisonii James Neilson 1983-6-13 4098 Sonoma headwaters of East Austin Creek. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD165872  Stuckenia pectinata Peter Rubtzoff 1970-10-3 6408 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCD166202  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  UC1010374  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 b Sonoma e side Los Guilicos Valley (road to Youngman's) Comment
  CAS-BOT-BC97831  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-3 246 Sonoma Wiggins Hill Comment
  UC87065  Symphyotrichum spathulatum W. E. Bryant 1887-7-1 Sonoma Healdsburg Comment
  UC469052  Symphyotrichum subspicatum Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CDA16162  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15073 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  UC1084375  Taraxacum officinale G. Thomas Robbins 1937-3-27 48 Sonoma Santa Rosa Comment
  UC1432146  Teesdalia coronopifolia C. F. Quibell 1977-3-7 1392 Sonoma w edge of Santa Rosa, sw of intersection of Fulton and Piner roads Santa Rosa Comment
  CAS-BOT-BC447464  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  CAS-BOT-BC447463  Tellima grandiflora Peter Rubtzoff 1957-5-4 3314 Sonoma Duncans Mills Marsh area. Edge of redwood forest bordering the Marsh in the west. Comment
  UCSB2086  Thalictrum fendleri var. polycarpum Keator, Glenn 1959-3-31 Sonoma At northern city limits of Occidental on Occidental-Monterio highway Comment
  CAS-BOT-BC399883  Thalictrum polycarpum A. A. Heller; H. E. Brown 1902-4-18 5326 Sonoma Near Windsor Comment
  CAS-BOT-BC399884  Thalictrum polycarpum Peter Rubtzoff 1959-6-13 4140 Sonoma Willow Creek Marsh Comment
  UC73213  Thermopsis californica var. californica Milo S. Baker 1898-4-8 2 Sonoma road betw. Stewarts Pt. and Sea View Comment
  UCSB21296  Thermopsis californica var. californica McCarthy, Sharon 1965-4-11 Sonoma East side of Bennett Peak, 2.5 miles west on dirt road from junction at Lawndale Road, 1 mile from its junction with State Highway 12, southwest of Glen Ellen Comment
  RSA0057550  Thysanocarpus curvipes subsp. curvipes Milo S. Baker 1898-1 735 Sonoma Hills near Santa Rosa. Comment
  RSA0049971  Thysanocarpus radians Peter H. Raven 1913-4-6 1602 Sonoma Lower slopes of Rincon River. 4 miles from Santa Rosa to Sonoma. 243 Comment
  UC570909  Tiarella trifoliata var. unifoliata H. L. Mason June 1930 5667 Sonoma mouth of Gualala River Comment
  UC1101052  Tofieldia occidentalis subsp. occidentalis Herbert L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UC353822  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1928-6-28 3047 a Sonoma Pitkin Marsh Comment
  CAS-BOT-BC371426  Torilis arvensis Greg de Nevers 1996-6-3 10825 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SFV17047  Torilis arvensis P. Wilson 1997-6-1 3463 Sonoma Sugarloaf Ridge State Park. 500 Comment
  UCD128162  Torilis arvensis G. F. Hrusa; R. Gross 1999-6-12 15077 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  CAS-BOT-BC81457  Torreya californica James McMurphy 1909-5-29 s.n. Sonoma Grade between Geyser Mountain and Black Mountain Comment
  CAS-BOT-BC169259  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  UCR265117  Toxicoscordion fontanum Ann Howald 2015-1-30 3311 Sonoma North Coast, Coastal terrace, c. 3 miles southeast of Del Mar Point 64 Comment
  JEPS128177  Toxicoscordion fremontii Roger Raiche 2001-5-17 024 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD139839  Toxicoscordion fremontii A. A. Heller; H. E. Brown 1902-3-14 5068 Sonoma near Windsor. Comment
  UCD164981  Tragopogon Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7807 Sonoma Kenwood Marsh. Comment
  UCD163995  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD67622  Trichostema laxum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  UCLA54887  Trichostema laxum Robert F. Hoover 1942-7-13 5917 Sonoma 3 mi S of Monte Rio Comment
  UC496403  Trientalis latifolia Merle Randall 1930-6-11 Sonoma near Cazadero Comment
  UCD117594  Trientalis latifolia M. Wiesendanger 1927-5-5 738 Sonoma Kenwood Springs. Comment
  POM128178  Trientalis latifolia H. P. Chandler 1907-5-19 7571 Sonoma White Sulphur Spring, St Helena Comment
  CAS-BOT-BC166926  Trifolium Peter Rubtzoff; Tim Tunison 1976-6-5 8587 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC173635  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7469 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166759  Trifolium Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173636  Trifolium Peter Rubtzoff 1974-5-18 7426 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784993  Trifolium Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  UCSC010633  Trifolium R. Morgan 2014-5-12 5637 b Sonoma Bodega Head Comment
  CAS-BOT-BC376246  Trifolium albopurpureum Greg de Nevers 1995-5-31 10737 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCD107340  Trifolium albopurpureum Botany 102 Students 1993-5-8 242 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  JEPS101720  Trifolium albopurpureum var. dichotomum Dean W. Taylor 1994-5-4 14214 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UC1541590  Trifolium albopurpureum var. dichotomum H. E. and S. T. Parks 1930-5-9 621 Sonoma Knights Valley Comment
  UC16413  Trifolium amoenum Harley P. Chandler 1900-5-25 687 Sonoma Bodega 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
  UCD107880  Trifolium bifidum R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC361357  Trifolium bifidum var. bifidum Greg de Nevers 1997-4-16 10940 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  CAS-BOT-BC361336  Trifolium ciliolatum Greg de Nevers 1997-4-25 10978 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1129993  Trifolium ciliolatum H. S. Yates 1934-4-22 3849 Sonoma 2 mi s Mark West; Calistoga quad 152 Comment
  UC80343  Trifolium depauperatum var. amplectens Michener and Bioletti 1893-1 Sonoma Kenwood Comment
  CHSC33018  Trifolium depauperatum var. depauperatum Jane A. Rogers 1979-4-14 7 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  UCD108373  Trifolium depauperatum var. depauperatum Frederica Bowcutt 1996-3-24 2075 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Trail head for Lower Bald Mountain Trail at group campsite just west of Sonoma Creek. 381 Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh Comment
  UCR254855  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley Marsh on Bavarian Lion Ranch 197 Comment
  UC1084487  Trifolium fucatum G. Thomas Robbins 1938-5-19 263 Sonoma sw Santa Rosa (along Sandy Point Rd) Comment
  UC866777  Trifolium fucatum Alice Eastwood 1917-5-13 Sonoma rd to Bodega Point Comment
  POM89154  Trifolium fucatum F. W. Peirson 1926-4-1 6551 Sonoma 6 miles south of Cloverdale. Comment
  UCD143709  Trifolium grayi Beecher Crampton 1955-4-5 2410 Sonoma 2 miles north of Trenton, Mark West Station Road. Comment
  UCR218645  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16210 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  UCD165133  Trifolium hydrophilum Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  SEINET12165542  Trifolium incarnatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -158 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd., between Jimtown & Mercuryville 120 Comment
  CAS-BOT-BC361335  Trifolium microdon Greg de Nevers 1997-4-25 10979 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC80353  Trifolium microdon Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  JEPS128303  Trifolium obtusiflorum Roger Raiche 2009-4-30 028 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  JEPS85900  Trifolium obtusiflorum Jack and Betty Guggolz 1991-7-29 1218 Sonoma 2 mi n Camp Meeker (Upper Duvoul Creek) 121 Comment
  UC424855  Trifolium obtusiflorum Milo S. Baker 1929-7-10 3520 a Sonoma just n Santa Rosa (ditch along hwy) Comment
  CDA31340  Trifolium repens D. G. Kelch, Ed Biffin 2010-5-3 10 .212 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD38484  Trifolium repens Beecher Crampton 1955-6-17 2936 Sonoma 1/2 mile south of Guerneville. Comment
  UCD109323  Trifolium striatum Frederica Bowcutt 1996-5-21 2141 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mtn. in Adobe Canyon. 396 Comment
  JEPS4154  Trifolium willdenovii W. L. Jepson 1912-4-30 4191 Sonoma Sonoma Valley Comment
  OBI78224  Trifolium wormskioldii Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood 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-BC451945  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay 1 Comment
  RSA169296  Triglochin maritima L. S. Rose 1964-6-3 64055 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC451946  Triglochin maritima J. W. Congdon 1880-4-13 s.n. Sonoma Petaluma Comment
  RSA216157  Triglochin maritima Peter Rubtzoff 1955-8-6 2023 Sonoma Lower Salmon Creek Marsh Comment
  SEINET5869493 Image available Triglochin maritima L. S. Rose 1964-1 64055 Sonoma N end of Bodega Bay Comment
  CAS-BOT-BC368077  Trillium albidum Greg de Nevers 1998-4-27 11203 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UCD139904  Trillium chloropetalum Mary M. Hektner 1976-5-13 257 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 1325 Comment
  CAS-BOT-BC519100  Trillium chloropetalum var. chloropetalum Greg de Nevers 1993-3-24 10332 Sonoma Wimar Canyon, 3450 Franz Valley, Pepperwood Ranch Natural Preserve 304 Comment
  POM169931  Trillium chloropetalum var. chloropetalum A. A. Heller, H. E. Brown 1902-3-12 3175 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  UCD139917  Trillium ovatum L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, 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
  CAS-BOT-BC521308  Trillium rivale Peter Rubtzoff 1953-5-18 1406 Sonoma Forested hills south of Guerville (Neeley Hill area). Comment
  JEPS79427  Triphysaria eriantha subsp. eriantha Nancy Harrison 1980-4-7 2089 Sonoma South Santa Rosa (Park Trail Drive) Comment
  CHSC20133  Triphysaria versicolor subsp. faucibarbata D. Joley 1975-4-24 300 Sonoma Junction of Rainsville and Liberty Rds, Petaluma. 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
  JEPS19396  Triphysaria versicolor subsp. faucibarbata G. Thomas Robbins 1938-4-15 262 Sonoma along road to Graton 6-7 mi w Santa Rosa Comment
  UC1222442  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1931-3-29 9321 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  UC185474  Triphysaria versicolor subsp. faucibarbata Katharine Brandegee May 1905 Sonoma Sebastopol Comment
  RSA13530  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1930-5-9 631 Sonoma Knights Valley, Comment
  CAS-BOT-BC200109  Trisetum canescens John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54007 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD36683  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  UCD93631  Trisetum canescens R. Tofsrud 1941-4-1 146 Sonoma Near Santa Rosa. Comment
  SEINET190369  Triteleia laxa Annetta Carter, Ethel Crum 1941-6-22 1642 Sonoma 3.3 miles east of Bay (Bodega Bay) Comment
  CAS-BOT-BC527042  Triteleia laxa John H. Thomas 1976-6-16 18330 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  RSA378042B  Triteleia laxa Christopher Davidson 1977-6-20 6007 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  SEINET12050379  Triteleia laxa F. H. Utech 1988-1 88 -191 Sonoma Willow Creek marsh & adjoining meadows, ca 1.5 mi E of CA 1 on Willow Creek Road 10 Comment
  UCSB15936  Triteleia laxa Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC527973  Triteleia peduncularis Peter Rubtzoff 1951-6-2 107 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC527974  Triteleia peduncularis Peter Rubtzoff 1951-6-9 168 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC527976  Triteleia peduncularis Peter Rubtzoff 1957-5-26 3363 Sonoma Occidental Marsh Comment
  UC11061  Tropidocarpum gracile H. N. Bolander 1864-4-17 3805 Sonoma bank Santa Rosa Creek Comment
  CAS-BOT-BC74110  Turritis glabra A. A. Heller; H. E. Brown 1902-5-29 5624 Sonoma Mount Hood. Comment
  SD69963  Ulex europaeus Darley Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on route 1 Comment
Read comments Feb 6 2013
  UCD164988  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  SEINET9317589  Umbellularia californica John Nelson, Wnek, R. 2000-3-5 20956 Sonoma Livereau Creek Comment
  CAS-BOT-BC403983  Urtica dioica subsp. gracilis Peter Rubtzoff 1959-6-6 4088 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC403984  Urtica dioica subsp. gracilis Peter Rubtzoff 1962-5-30 4854 Sonoma Freestone Marsh Comment
  CAS-BOT-BC404228  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road) Comment
  CAS-BOT-BC404232  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-6-24 5386 Sonoma Coleman Marsh Comment
  UCD118081  Vaccinium ovatum Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-29 094 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD118088  Vaccinium ovatum A. T. Leiser 1968-1-16 s.n. Sonoma N. end of ridge, Sea Ranch. 91 Comment
  CAS-BOT-BC135762  Veratrum fimbriatum Milo S. Baker 1921-9-20 2556 Sonoma 2 mi. north Stewart's Point Comment
  HSC15731  Veratrum fimbriatum C. B. Wolf 1927-9-2 1350 Sonoma 1.0 mi. S of Gualala River Comment
  CAS-BOT-BC154140  Verbascum Peter Rubtzoff 1954-7-27 1565 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-BC320569  Verbascum Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7808 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC376393  Verbascum Greg de Nevers 1993-8-12 10488 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  CAS-BOT-BC156317  Verbascum Peter Rubtzoff 1962-6-22 4959 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC320584  Verbascum Peter Rubtzoff 1969-8-24 6142 Sonoma Pond on River Road 3 miles west of Fulton. Comment
  CDA37932  Verbascum virgatum D. G. Kelch, Troy McGregor 2010-8-22 10 .34 Sonoma Geyser Peak Rd. Comment
  UCD148315  Verbascum virgatum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River. Comment
  POM64648  Verbena lasiostachys var. lasiostachys A. A. Heller 1902-6-27 5785 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC164361  Veronica Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. 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
  UC1299208  Veronica peregrina subsp. xalapensis Freed W. Hoffman 1947-5-15 775 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  UC1101486  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-1 1107 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC267247  Viburnum ellipticum Greg de Nevers 1982-5-17 2012 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  RSA29231  Vicia angustifolia Joseph A. Ewan 1935-5-13 9277 Sonoma 3 miles W of Santa Rosa on Sebastopol Road. Comment
  RSA94347  Vicia angustifolia Peter Rubtzoff 1951-7-28 548 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC366879  Vicia hirsuta Greg de Nevers 1993-5-6 10425 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  UCR255891  Vicia hirsuta Greg de Nevers 1993-5-6 10425 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1084368  Vicia sativa G. Thomas Robbins 1937-3-26 34 Sonoma just e Bodega (along road to Bodega) Comment
  RSA29239  Vicia sativa Joseph A. Ewan 1935-5-13 9245 Sonoma 2.5 miles west of Santa Rosa: Sebastopol Road. Comment
  RSA77970  Vicia villosa Verne Grant, Alva Grant, Adele Lewis Grant 1947-5-4 7959 Sonoma Sebastopol to Santa Rosa Comment
  POM130069  Vinca major A. A. Heller, H. E. Brown 1902-4-17 s.n. Sonoma Hills at Santa Rosa Comment
  UCD15000  Vinca major Wesley Ebert 1977-4-9 13 Sonoma Sonoma County; along Copeland Creek, on the northwest corner of Sonoma State College; 42 Comment
  UCR142293  Viola G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  JEPS46282  Viola adunca Eleanor Armstrong 1933-4-14 740 Sonoma Bodega Hill 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
  UC1057435  Viola douglasii G. Thomas Robbins 1937-3-25 9 Sonoma 8-10 mi e of Santa Rosa (near Golf and Country Club); Santa Rosa Creek Canyon Comment
  UC1761626  Viola douglasii Dorothy Bately 1932-2-19 Sonoma Santa Rosa Golf Links Comment
  UC1761570  Viola glabella Helen Von Grafen 1927-4-2 Sonoma Mill Creek Comment
  RSA80503  Viola lobata Milo S. Baker 1942-4-29 10189 Sonoma Spring Mt Road near summit. Near Napa -Sonoma county line. 457 Comment
Read comments Jun 10 2012
  UC1749379  Viola lobata Milo S. Baker 1937-4-18 8633 Sonoma Hope Valley north of Chamberlain's House, ca. 3/4 miles Comment
  UC1761514  Viola lobata Milo S. Baker 1926-3-30 201 b Sonoma 1 mi S of St. Helena Inn (trail to Crater) Comment
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  UC336275  Viola ocellata J. Ewan 1877-3-1 Sonoma Skaggs Springs Comment
  UC35301  Viola ocellata J. Burtt Davy 1896-3-16 1680 Sonoma Cazadero Comment
  UC1761634  Viola pedunculata Miss Bumbaugh 1898-3-15 Sonoma near Sebastopol Comment
  UC19318  Viola pedunculata Davy May 1888 Sonoma Russian River below Guerneville; Russian River Comment
  UC337768  Viola sempervirens unknown Mar. 1888 Sonoma Redwoods near Healdsburg Comment
  UC496478  Viola sempervirens Merle Randall 1930-8-6 Sonoma Cazadero Comment
  POM161243  Viola sempervirens R. C. Bacigalupi 1928-5-2 1395 Sonoma Cazadero. 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
  RSA201205  Viscum album Stanley Rose 1966-5-8 s.n. Sonoma On apple trees about 1 mile from Sebastopole on Gravenstein Highway North (1090) Comment
  UC1540660  Viscum album D. Wiens and R. Sharpf 1973-6-17 4900 Sonoma Sebastopol, in and around the town Sebastopol Comment
  RSA7624  Vitis californica Carl B. Wolf, B. D. Stark 1933-9-27 5512 Sonoma 5.8 mi NW of Kellogg on road to Geyserville. 91 Comment
  UCD102746  Vitis californica K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  CAS-BOT-BC199895  Vulpia bromoides G. DeNevers; S. Kaza 1981-5-7 977<