Search Results — 2000 specimen records retrieved (1278 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR109504  Abronia latifolia Frank C. Vasek 1966-7-16 660716- 03 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  RSA0025740  Abronia latifolia J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC203226  Abutilon Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC177032  Acacia dealbata Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 s.n. Sonoma Trinity Road 457 Comment
  CAS-BOT-BC361332  Acaena pinnatifida var. californica Greg de Nevers 1997-4-26 10982 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  CDA40635  Acaena pinnatifida var. californica M. Lusk 1967-5-5 s.n. Sonoma Christmas tree planting, Santa Rosa. 0 Comment
  CDA11341  Acer macrophyllum G. F. Hrusa 1995-4-2 12051 Sonoma North Coast Biodiversity Arena; Corner of Franz Valley School Rd. and Franz Valley Rd. Comment
  RSA102062  Acer macrophyllum John H. Redfield 1872-8-27 53 Sonoma Near Healdsburg Comment
  CAS-BOT-BC336943  Acer negundo var. californicum A. A. Heller; H. E. Brown 1902-4-15 5303 Sonoma Santa Rosa Creek Comment
  HSC2827  Acer negundo var. californicum Martha Meagher 1947-3-22 98 Sonoma Co. rd. 0.5 mi. W of Freezeout Creek across Russian River from Duncan's Mills Comment
  SEINET11842967  Achillea borealis subsp. californica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -228 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC30087  Achillea millefolium Roxana S. Ferris 1932-5-27 8254 Sonoma Bodega Bay Comment
  CAS-BOT-BC30449  Achillea millefolium John Thomas Howell 1938-7-3 13958 Sonoma Pitkin Marsh Comment
  SD41359  Achillea millefolium Edith A. Purer 1932-7-24 4075 Sonoma Near Bodega Bay. Comment
  UCSB15937  Achillea millefolium 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC30081  Achillea millefolium Peter Rubtzoff 1952-6-10 1227 Sonoma Top of Fitch Mtn. near Healdsburg 304 Comment
  CAS-BOT-BC30088  Achillea millefolium W. E. Lawrence 1942-1-1 L 5031 Sonoma Bodega Coast, grown in Stanford gardens Comment
  UCD128365  Achillea millefolium Rimy Waraich; Patti Togioka 1993-5-8 236 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  CAS-BOT-BC400007  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  UCD151098  Acmispon James A. Neilson Jr. 1974-6-1 s.n. Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  NY380620  Acmispon aestivalis A. A. Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  CAS-BOT-BC87  Acmispon gracilis Amos Arthur Heller 1902-6-24 5754 Sonoma Near Burke's Sanitarium Comment
  NY380622  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  UCD35511  Acmispon junceus var. biolettii Beecher Crampton 1957-7-22 4370 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  UCD104308  Acmispon parviflorus P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  UCD104496  Acmispon wrangelianus P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC30276  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  CAS-BOT-BC139919  Adenostoma fasciculatum Bolander 1877-6-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC361370  Adenostoma fasciculatum Greg de Nevers 1997-3-20 10921 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill 400 Comment
  CAS-BOT-BC65530  Adiantum aleuticum Greg de Nevers 1987-4-25 8163 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UCD137173  Adiantum aleuticum Mary M. Hektner 1975-6-3 203 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC65686  Adiantum jordanii Walter Knight; Irja Knight 1963-12-27 459 Sonoma Pine Flat Rd. Comment
  SEINET11720936  Adiantum jordanii F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -58 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  HSC34931  Adiantum jordanii Thomas W. Nelson, James Nelson 1975-3-25 1759 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  CAS-BOT-BC368050  Aegilops triuncialis Greg de Nevers 1989-6-8 9074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCR218642  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16207 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
  CAS-BOT-BC210122  Agoseris Peter Rubtzoff 1971-5-30 6479 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD128432  Agoseris apargioides Gerry North 1993-3 53 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.25 miles NE of parking lot/pinic area on Bald Mtn. 411 Comment
  CAS-BOT-BC26633  Agoseris apargioides var. eastwoodiae Alice Eastwood s.d. s.n. Sonoma Bodega Point Comment
  SEINET7067263  Agoseris heterophylla A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  RSA785753  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh. Comment
  RSA785904  Agrostis Peter Rubtzoff 1967-8-22 5854 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCD148481  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mountain Lake. Comment
  SEINET10915785  Agrostis P. Rubtzoff 1964-6-24 Rubtzoff 5368 Sonoma Lower Salmon Creek Marsh. Comment
  UC1146626  Agrostis alba Freed W. Hoffman 1942-8-29 2269 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  RSA298529  Agrostis capillaris Robert A. Norris, John L. Inase, Allen Nakagawa, Carol A. Roberts, Willie J. Roberts, Nelson R. Powers 1982-8-8 4432 Sonoma Sonoma State Beach, near Goat Rock Picnic Area, across mouth of Russian River from Jenner. Comment
  SEINET249772  Agrostis clivicola Beecher Crampton 1957-7-11 4351 Sonoma 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UC1153787  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma just s Goat Rock (edge of bluffs above the sea, above Blind Beach, ca 9 mi n of Salmon Creek); Sonoma Coast State Park Comment
  UCD37160  Agrostis densiflora Beecher Crampton 1957-7-22 4367 Sonoma Sonoma County, Sonoma Coast State Park, 0.3 mile south of Stewart's Point, bluffs above Fisherman's Bay. Comment
  UCD51975  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51987  Agrostis densiflora Beecher Crampton 1957-7-11 4329 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD52010  Agrostis densiflora Beecher Crampton 1957-7-22 4360 Sonoma 5.3 miles north of Stewart's Point, State Hwy. 1. Comment
  POM207133  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian river. Comment
  UC1146630  Agrostis exarata Freed W. Hoffman 1941-6-29 2069 Sonoma Sonoma Mountain Road North Coast Ranges Comment
  UCD32829  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/4 mile east of Geyser Resort area, Big Sulfer Creek. 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
  UC1146695  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker (Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UC573811  Agrostis hallii H. S. Yates 1937-6-6 6579 Sonoma 8 mi sw Healdsburg; Healdsburg Quad. 152 Comment
  UCD38726  Agrostis hallii Beecher Crampton 1957-7-11 4300 Sonoma 1.4 miles southeast of Bodega Bay. Comment
  UCD52712  Agrostis hallii Beecher Crampton 1957-7-11 4299 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD53069  Agrostis microphylla var. intermedia L. Whitney 1935-4-14 2258 b Sonoma Blunden's Pasture near Occidental. Comment
  CAS-BOT-BC139120  Agrostis oregonensis Peter Rubtzoff 1951-6-7 124 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC138925  Agrostis pallens G. DeNevers 1981-6-18 1574 Sonoma Pepperwood Ranch. In Hansel's grazed Oak Woodland. Comment
  CAS-BOT-BC138593  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma county coast, 5 miles south of Stewart Point. Comment
  RSA313173  Agrostis stolonifera H. L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UC1023593  Agrostis stolonifera Virginia Bufford 1936-5-22 399 Sonoma 4 mi n Stewarts Point (Hwy 1) Comment
  UC53500  Agrostis stolonifera Jos. Burtt Davy 1899-7-22 6003 Sonoma Guernville Guerneville Comment
  UC790981  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma 5 mi s Steward Point Comment
  CDA20550  Agrostis viridis A. McVicker 2005-6-6 PDR 1349309 Sonoma Winkler Water Gardens at 1925 Fulton Road, Santa Rosa. 0 Comment
  CDA36851  Aira caryophyllea CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  CAS-BOT-BC138392  Aira caryophyllea var. capillaris Alice Eastwood 1921-4-24 10364 Sonoma Santa Rosa. Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  CAS-BOT-BC445338  Alisma lanceolatum Peter Rubtzoff 1955-7-16 1959 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC164376  Alisma triviale Peter Rubtzoff 1965-6-20 5560 Sonoma Petaluma Creek, 4 miles northwest of Petaluma (on Stoney Point Road) Comment
  UCR244504  Alisma triviale Peter Rubtzoff 1965-6-20 5558 Sonoma Petaluma Creek, 4 miles [northwest] of Petaluma (on Stoney Point Road) 53 Comment
  CAS-BOT-BC462392  Allium amplectens Greg de Nevers 1997-5-14 11000 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, Near Mt. House. 457 Comment
  SEINET181187  Allium amplectens Bassett Maguire, R Maguire; C. B. Maguire 1934-6-7 15081 Sonoma 2 mi N of Geyserville Comment
  JEPS88972  Allium dichlamydeum H. P. Chandler 1920-5-25 718 Sonoma Bodega Bay Comment
  CAS-BOT-BC474316  Allium unifolium G. DeNevers 1981-6-20 1658 Sonoma Opposite main Academy entrance Comment
  UCD138615  Allium unifolium Jane Justus 1966-5-3 29 Sonoma State Highway 116, 14 miles west of Petaluma. 9 Comment
  CDA32956  Allium vineale D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  CAS-BOT-BC169655  Alnus rhombifolia Peter Rubtzoff 1960-6-9 4488 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  UCD110041  Alnus rubra Mary M. Hektner 1974-7-5 127 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC137903  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  UCD55917  Alopecurus saccatus Milo Baker 1941-6-1 s.n. Sonoma somewhere on coast. Comment
  CAS-BOT-BC540840  Amaranthus Peter Rubtzoff 1973-9-4 7300 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville Comment
  CAS-BOT-BC540844  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7843 Sonoma Kenwood Marsh Comment
  RSA90495  Amaranthus blitoides Milo S. Baker 1954-09 13035 Sonoma Rotherts Garden, Maplewood Comment
  CAS-BOT-BC55542  Ambrosia psilostachya Peter Rubtzoff 1951-9-15 762 Sonoma Pitkin Marsh Comment
  UCR255685  Amelanchier utahensis Greg de Nevers 1998-4-27 11198 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  RSA790996  Ammannia Peter Rubtzoff 1972-8-26 6860 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC177232  Amorpha californica var. napensis W. P. Vestal; A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor Comment
  CHSC21835  Amsinckia intermedia Robert A. Schlising 1962-3-31 2113 Sonoma In pastured field. Comment
  UC725447  Amsinckia lunaris A. A. Heller 1940-4-22 15550 Sonoma e of Santa Rosa (along State Hwy 12) Comment
Read comments
Nov 9 2006
  UC1084536  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 s Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  UCD119806  Amsinckia spectabilis Peter Kamb; Ray 1952-5-30 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head. 30 Comment
  UCD159444  Anaphalis margaritacea D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 201 Sonoma Near Sonoma state beach hiking trail. Abundant. 40 Comment
  CAS-BOT-BC272873  Ancistrocarphus filagineus Greg de Nevers; Frank Almeda 1987-4-11 8134 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC137790  Andropogon virginicus var. virginicus H. S. Yates 1937-8-22 6865 Sonoma 2 miles southeast of Forestville. 30 Comment
  UC1057473  Anemone oregana G. Thomas Robbins 1940-3-21 298 Sonoma ca 6 mi e Windsor (foothills, canyon e of Chalk Hill rd) Comment
  UCR255042  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SD109160  Angelica californica Joseph M. DiTomaso 1980-6-13 1592 Sonoma 4900 Trinity Road, between Glen Ellen and Oakville Comment
  JEPS16078  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  JEPS16079  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  UCD127228  Angelica hendersonii Mary M. Hektner; Cathy Hendel 1974-7-25 175 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS40363  Anisocarpus madioides M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 243 Sonoma near Guerneville; Russian River Comment
  UC496379  Anisocarpus madioides Merle Randall 1930-6-7 Sonoma Cazadero Comment
  CAS-BOT-BC173818  Anthemis cotula Peter Rubtzoff 1959-6-13 4139 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC137771  Anthoxanthum aristatum L. Beane; Lois E. James 1949-5-11 1942 Sonoma About half way between Healdsburg and Windsor. Comment
  UCD56130  Anthoxanthum aristatum Beecher Crampton 1959-6-16 5367 Sonoma 0.2 miles E of Occidental. Comment
  UCD56154  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  SEINET11671349  Anthoxanthum aristatum Unknown 1940-1 841 Sonoma along Hwy 101, N of Windsor Comment
  OBI35994  Anthoxanthum odoratum David J. Keil 1983-6-30 17210 Sonoma Stillwater Cove Regional Park Comment
  JEPS14135  Anthriscus caucalis Joseph P. Tracy 1921-5-26 5799 Sonoma Cloverdale Northern Coast Ranges (on road towards Hopland) 304 Comment
  UCR179374  Anthriscus caucalis Frederica Bowcutt 1994-6-12 1859 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 miles east of Santa Rosa, 1.5 miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture 433 Comment
  UC479120  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones, A. M. 1931-7-5 28810 Sonoma The Geysers Comment
  CDA41216  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum T. C. Fuller 1958-5-24 4015 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  CAS-BOT-BC447697  Aphanes occidentalis Peter H. Raven 1954-2-27 6422 Sonoma Cavedale Rd., ca. 3 miles n. of Boyes Springs, Sonoma Valley. Comment
  UC1299575  Apocynum androsaemifolium Freed W. Hoffman 1947-7-29 1418 Sonoma near Guerneville Guerneville (Gabe's Rock); North Coast Ranges, Gabe's Rock Comment
  SEINET12094716  Aquilegia formosa var. truncata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -269 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC17341  Arabis blepharophylla Roxana S. Ferris; D. H. Morey 1958-4-10 13335 Sonoma Summit of Bodega Head. Comment
  UC1073294  Arabis blepharophylla George B. Rossbach 1955-3-19 293 Sonoma n and highest hill Bodega Head 81 Comment
  RSA0125531  Arabis blepharophylla A. A. Heller, H. E. Brown 1902-3-29 5178 Sonoma Bodega Bay. Comment
  CAS-BOT-BC171610  Aralia californica Dorothy Scherer 1997-5-6 098 Sonoma Fort Ross Cr, halfway between Hwy. One and ocean, Fort Ross State Historic Park 7 Comment
  CAS-BOT-BC128620  Arbutus menziesii Walter Knight; Irja Knight 1963-8-23 403 Sonoma Joost Ranch, Calistoga Rd. Comment
  UC1084439  Arbutus menziesii G. Thomas Robbins 1940-3-21 299 Sonoma 5-6 mi e of Windsor (along Chalk Hill Road); Chalk Hill Road 91 Comment
  RSA629206  Arctostaphylos Jon E. Keeley 1993-9-11 24788 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629226  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC535021  Arctostaphylos H. F. Copeland 1933-3-18 A 10 Sonoma w Santa Rosa; Vine Hill region Comment
  HSC7753  Arctostaphylos bakeri Freed W. Hoffman Apr 1948 2753 Sonoma Dutch Bill Creek near Camp Meeker Comment
  UC1120878  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC1120879  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1559 Sonoma 1/4 mi w Trenton; Sebastopol Quadrangle Comment
  UC549713  Arctostaphylos bakeri J. E. Adams 1935-3-1 1029 Sonoma 2 mi w Occidental 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
  POM222620  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 miles E of Occidental. Comment
  SDSU1487  Arctostaphylos bakeri subsp. bakeri D. F. Howe 1969-6-8 4635 Sonoma 3.8 miles east of Occidental. 274 Comment
  UCD50474  Arctostaphylos bakeri subsp. bakeri Roman Gankin; W. R. Hildreth 1967-10-4 1074 Sonoma Harrison Grade Road, near summit, east of Occidental. Comment
  RSA252145  Arctostaphylos bakeri subsp. bakeri G. D. Wallace 1974-12-23 1348 Sonoma NE of Occidental on Grafton Road, 2 mile or so from Occidental. 152 Comment
  UCD50407  Arctostaphylos bakeri subsp. sublaevis Roger Raiche 1982-4-10 20301 A Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about 0.7 mi. in from King Ridge Rd. on Old Layton Mine Rd. On topo map, area is called 'The Cedars,' north of Cazadero, in Sonoma County. Comment
  RSA622716  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24764 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET2028740 Image available Arctostaphylos canescens H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rose Comment
  UC1120918  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1939-3-18 872 Sonoma head of Hooks Canyon Sonoma Quadrangle 487 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
  HSC7612  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1948-5-10 2677 Sonoma E face Cobb Mtn. 1220 Comment
  JEPS73686  Arctostaphylos canescens subsp. sonomensis L. R. Heckard 1968-2-25 1754 Sonoma along Cavedale Road about 5 mi from its junction with Sonoma-Kenwood Road (western slope of Hooker Canyon (head of)); w slope of Hooker Canyon (head of) 548 Comment
  POM367248  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  RSA40093  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  UC549708  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1023 Sonoma e Sta. Rosa; Rincon Ridge Comment
  CAS-BOT-BC24980  Arctostaphylos densiflora Walter Knight; Irja Knight; Elizabeth McClintock; J. Sigg 1981-3-25 4035 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24985  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55005 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality Comment
  CAS-BOT-BC24996  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma Vine Hill Schoolhouse, 10 mi. W of Santa Rosa, along road. Comment
  POM209918  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill School House Comment
  RSA164632  Arctostaphylos densiflora Percy C. Everett 1963-11-21 24564 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  UC549449  Arctostaphylos densiflora J. E. Adams 1934-3-28 715 Sonoma Vine Hill School Sta. Rosa Comment
  UC571087  Arctostaphylos densiflora H. L. Mason 1931-3-7 5805 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  RSA0003106  Arctostaphylos densiflora J. T. Howell 1933-4-2 10951 Sonoma 8 miles west of Santa Rosa Comment
  SEINET11998394  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1987-1 6080 Sonoma adjacent to Pepperwood Prserve in Devils Kitchen Comment
  CAS-BOT-BC23279  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  CAS-BOT-BC24723  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1933-4-2 10947 Sonoma 8 mi. w. of Santa Rosa. Comment
  UC518981  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma about 4 mi e Warfield (along road to Oakville) Comment
  RSA631185  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24723 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA339404  Arctostaphylos hispidula Roger Raiche 1984-11-10 RR 40541 Sonoma Rockpile Road: 7.8 mi north of its beginning at intersection of Skaggs Springs-Stewart Point Rd 548 Comment
  RSA339413  Arctostaphylos hispidula Roger Raiche 1984-2-26 RR 40044 Sonoma On Rockpile Road ca. 9.1 miles north of origin of Skaggs Springs-Stewarts Point Road 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
  CDA11917  Arctostaphylos manzanita G. F. Hrusa, G. L. Stebbins 1994-4-8 11734 Sonoma North Coast Biodiversity Arena; Cavedale edaphic island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  RSA633058  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  RSA202106  Arctostaphylos manzanita Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek, a branch of Dutch Bill Creek. Comment
  RSA633050  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24812 Sonoma Vinehill School Road [near Graton, E of Pitkin Marsh] 90 Comment
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Feb 9 2014
  RSA633059  Arctostaphylos manzanita Jon E. Keeley 1978-10-8 7265 Sonoma Road from Calistega to Santa Rosa. Comment
  SEINET11984821  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1072 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11990965  Arctostaphylos manzanita Unknown 1983-1 30475 Sonoma Morrison Ridge above Gilliam Creek, East Austin Creek State Recreation Area 274 Comment
  SEINET11990967  Arctostaphylos manzanita Unknown 1983-1 30499 J Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990979  Arctostaphylos manzanita Unknown 1983-1 30476 Sonoma near Redwood Lake, East Austin Creek State Recreation Area 366 Comment
  SEINET11991026  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero 274 Comment
  CAS-BOT-BC38911  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38946  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11760 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38681  Arctostaphylos manzanita subsp. manzanita Roger Raiche 1983-7-31 30572 Sonoma Austin Creek State Recreation Area, North slope Morrison Ridge, above Thompson Creek. 274 Comment
  CAS-BOT-BC38687  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5762 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC38688  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5774 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38712  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  RSA70838  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  SBBG39486  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1970-2-27 70007 Sonoma Vine Hill School Rd 76 Comment
  UC1121478  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 834 Sonoma Vine Hill Sebastopol Quadrangle Comment
  CAS-BOT-BC38693  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Jacob Sigg 1981-3-11 4158 Sonoma From Strybing Arboretum, Golden Gate Park, San Francisco, #68-88, via Univ. of Cal. Davis, their #67.718. Comment
  RSA96694  Arctostaphylos manzanita subsp. manzanita P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20375 Sonoma 3.9 mi. s. of lake-Sonoma Co. line on n.w. slopes Mt. St. Helena. 640 Comment
  UC549421  Arctostaphylos nummularia J. E. Adams 1934-3-28 741 Sonoma s McNamees Store Comment
  UC549524  Arctostaphylos nummularia J. E. Adams 1934-6-9 830 Sonoma coastal bluffs near McNamees Store Comment
  CAS-BOT-BC47339  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 20301 E Sonoma King Ridge Rd. (4.5 mi. n. of junction with Ft. Ross Rd.), about 0.7 mi. in from King Ridge Rd. on old Layton Comment
  CDA12038  Arctostaphylos stanfordiana G. F. Hrusa 1990-1-2 7351 Sonoma North Coast Biodiversity Arena; NW slopes of Hogback Mtn. approx. 4 km. NE of Sonoma. Comment
  JEPS83501  Arctostaphylos stanfordiana Jack and Betty Guggolz 1986-3-3 850 Sonoma above pond (on n side of Chamise Ridge Rd, off West Dry Creek Rd, w of Geyserville) Comment
  RSA636811  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24753 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 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
  UC1043525  Arctostaphylos stanfordiana P. C. Everett and E. K. Balls 1954-10-20 20376 Sonoma 4 mi sw from Lake-Sonoma Co. line (nw to w slopes of Mt. St. Helena) 640 Comment
  JEPS98847  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  POM131953  Arctostaphylos stanfordiana subsp. stanfordiana A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 10650 Sonoma Western base of Mt. Hood. Comment
  POM209919  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 6 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  UCD112580  Arctostaphylos stanfordiana subsp. stanfordiana Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  UC549529  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 745 Sonoma s Gualala Riv.; Sonoma Co. coast Comment
  CDA20097  Arctotheca prostrata G. Bjork 2003-3-24 PDR 1279789 Sonoma North Coast Ranges; at 4052 Hessel Rd, Sebastopol. 0 Comment
  UCR44931  Arenaria douglasii 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
  CDA22413  Aristolochia californica M. Vernon 1985-6-21 Sonoma 6858 Hessel Road, Sebastopol. 0 Comment
  SEINET7067267  Armeria maritima subsp. californica A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  SD147975  Armeria maritima subsp. californica L. Coats 1983-5-17 25 Sonoma Along Highway 1, 4.3 miles north of Salt Point State Park. 21 Comment
  RSA0056337  Armeria maritima var. californica Jim Shevock 1971-1-30 627 Sonoma Along HIghway 1. 16 Comment
  CAS-BOT-BC82560  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UC176012  Arnica discoidea H. M. Hall 1909-6-21 Sonoma Guernewood Park, along R. R. embankment Guernewood Park Comment
  CAS-BOT-BC82565  Arnica discoidea Catherine Best 1981-6-5 s.n. Sonoma at Warm Springs Dam Overlook Comment
  UCD164250  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. Comment
  UCD38477  Artemisia californica Beecher Crampton 1955-6-17 2971 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. Comment
  CAS-BOT-BC90489  Artemisia douglasiana G. DeNevers 1981-6-6 1446 Sonoma at the first Pepperwood entrance, Pepperwood Ranch Comment
  CAS-BOT-BC90492  Artemisia douglasiana Robert M. King 1980-7-8 8414 Sonoma 5 miles generally southwest of Santa Rosa Comment
  CAS-BOT-BC90862  Artemisia pycnocephala Alice Eastwood 1915-6-29 4801 Sonoma Bodega Point 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
  UCD138095  Arum italicum L. M. Harwood 1972-1-1 s.n. Sonoma 5420 Volkerts Road, near junction with Hessel Road, around 4.5 miles southeast of Sebastopol. Comment
  CAS-BOT-BC146253  Arundo donax Mary P. Wells 1985-8-5 586 Sonoma Ducker Creek, Rincon Valley Santa Rosa. Comment
  UC730026  Asarum caudatum Leo F. Koch 1940-4-16 788 Sonoma Near road at east entrance to Coleman Valley West of Occidental Comment
  UC543764  Asarum caudatum Herbert L. Mason 1926-3-21 2778 Sonoma Middleton Road - Mt. St Helena; Lake Co. Comment
  SEINET10637049  Asclepias fascicularis A. Arthur Heller 1902-6-4 Heller 5643 Sonoma Santa Rosa Comment
  CAS-BOT-BC65836  Aspidotis californica John Thomas Howell 1943-4-18 17923 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC68781  Aspidotis densa D. E. Breedlove 1980-6-28 44806 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS79502  Aspidotis densa Edward Lee with W. A. Setchell 1936-6-7 2191 Sonoma s ridge fire trail Bohemian Grove Comment
  RSA178004  Aspidotis densa R. F. Thorne 1965-4-19 34290 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  POM58104  Aster lentus Jos Burtt Davy 1897-9-19 s.n. Sonoma Petaluma Marshes, near rail road track 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
  CAS-BOT-BC66006  Athyrium filix-femina Mary P. Wells 1984-7-21 387 Sonoma The Hot Spot (by the Gualala River South Fork) The Sea Ranch Comment
  CAS-BOT-BC290657  Atriplex Peter Rubtzoff 1958-9-28 4017 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA0018576  Atriplex Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA0018577  Atriplex Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  UCD97269  Atriplex californica P. G. Connors 1991-6-19 166 Sonoma Bodega Head and Dunes. Comment
  UCD97622  Atriplex prostrata Mary M. Hektner 1975-8-14 228 Sonoma on Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC146138  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  LA11004  Avena barbata Nesta Dunn; 1932-5-15 sn Sonoma Santa Rosa Comment
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Dec 29 2014
  RSA654113  Avena barbata Beecher Crampton 1956-3-12 3222 Sonoma Town of Asti, Italian Swiss Colony vineyards. Comment
  UCD56217  Avena barbata B. Crampton 1955-3-15 2326 Sonoma U.S. Hwy. 101. Asti. Comment
  CAS-BOT-BC145722  Avena fatua David L. Morgan 1956-6-15 s.n. Sonoma Approximately 2.5 miles southwest of Petaluma on the San Antonio Road. Comment
  CAS-BOT-BC154152  Baccharis douglasii Peter Rubtzoff 1955-9-24 2148 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC98647  Baccharis douglasii Peter Rubtzoff 1951-8-4 575 Sonoma Pitkin Marsh, near Forestville - open area between the Upper and the Lower marshes. Comment
  CAS-BOT-BC98648  Baccharis douglasii G. DeNevers 1981-7-11 1746 A Sonoma Pepperwood Ranch - at the big spring at the Skovie Comment
  JEPS81900  Baccharis glutinosa Roger Raiche 1982-8-22 20701 Sonoma canyon running through Vine Hill Vine Hill 213 Comment
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Oct 17 2013
  CAS-BOT-BC99590  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6182 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  CAS-BOT-BC99595  Baccharis pilularis Marcus E. Jones 1882-7-8 s.n. Sonoma [Duncan's] Duncans Mills Comment
  UCD77421  Barbarea verna Robert E. Preston 1997-3-21 1020 Sonoma Petaluma, s side of Petaluma River, at railroad bridge 6 Comment
  UCR254890  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10006 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  CAS-BOT-BC145845  Beckmannia syzigachne Peter Rubtzoff 1961-5-24 4599 Sonoma Upper Stemple Creek Marsh. Comment
  CDA13125  Beckmannia syzigachne G. F. Hrusa, R. Gross 1996-6-3 13060 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UCD56804  Beckmannia syzigachne H. S. Yates 1936-5-16 5620 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  CAS-BOT-BC106389  Bellis perennis L. R. Abrams 1920-7-3 7597 Sonoma Gualala River Comment
  CAS-BOT-BC290721  Bidens frondosa Peter Rubtzoff 1965-9-5 5644 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  RSA0015633  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. N of Guerneville Road). Comment
  RSA0015635  Bidens frondosa Peter Rubtzoff 1958-8-17 3891 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi north of Guerneville Road). Comment
  CAS-BOT-BC290698  Bidens laevis Peter Rubtzoff 1958-9-27 4015 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road) Comment
  RSA0019008  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  SEINET1783801  Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma about 1/4 mi S of Napa Street on east side of street. Comment
  RSA0008300  Blennosperma bakeri L. S. Rose 1949-4-6 49027 Sonoma Western outskirts of Sonoma 30 Comment
  CAS-BOT-BC478466  Boisduvalia Peter Rubtzoff 1983-8-28 9674 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC154873  Boisduvalia densiflora Peter Rubtzoff 1966-8-29 5814 Sonoma Forest Hills, 5.5 miles E of Guerneville along Russian River Comment
  POM32026  Boisduvalia densiflora var. densiflora A. A. Heller 1902-6-4 5640 Sonoma Santa Rosa. Comment
  CAS-BOT-BC156320  Boisduvalia glabella Peter Rubtzoff 1955-8-6 2026 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC28177  Bolboschoenus fluviatilis Peter Rubtzoff 1961-9-20 4758 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road crossing. Comment
  CAS-BOT-BC28178  Bolboschoenus fluviatilis Peter Rubtzoff 1962-7-6 4798 Sonoma Laguna de Santa Rosa, near Trenton, S of Woolsey Rd. Comment
  CAS-BOT-BC75486  Bolboschoenus glaucus John Thomas Howell 1987-5-17 s.n. Sonoma Llano Road Marsh. Comment
  SEINET11750918  Bolboschoenus glaucus W. Knight, Knight, I. 1990-1 6596 Sonoma Sonoma Mission 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
  UCR256116  Boykinia elata Greg de Nevers 1996-6-10 10830 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM142185  Boykinia occidentalis Michener, Bioletti 1893-06 13 Sonoma Adobe Canyon Comment
  CAS-BOT-BC145446  Brachypodium distachyon Barrett Anderson 1987-4-27 3461 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  CAS-BOT-BC145449  Brachypodium distachyon Mary P. Wells 1984-5-5 329 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  RSA54043  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  UCD57095  Brachypodium distachyon Frederica Bowcutt 1996-5-23 2151 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Lower Bald Mountain Trail. 472 Comment
  CAS-BOT-BC36709  Brassica rapa John F. Emmel 1971-5-8 349 Sonoma Along road 0.5 mile south of Mark West Springs and above Mark West Creek. 146 Comment
  RSA47576  Briza maxima L. Beane, Lois E. James 1949-5-16 1949 Sonoma About 3 mi. S. of Cloverdale Comment
  UC727686  Briza maxima Milo S. Baker 1946-5-13 11389 Sonoma near Vine Hill School House Comment
  UCD151112  Briza maxima James A. Neilson Jr. 1974-6-1 2939 Sonoma Mayacmas Mountains, Mercuryville, The Geysers Road. (Elevation estimated by label maker using Google Earth.) 822 Comment
  UCD36534  Briza maxima Beecher Crampton 1954-4-26 1790 Sonoma Sonoma County, 9 miles southeast of Geyserville, along Highway 128, 0.5 mile north of Calistoga Road cutoff, on foothills facing Alexander Valley. Comment
  UCSC000040  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 2 miles SE o fForestville - Sebastopol 30 Comment
  UCD57132  Briza maxima Chris Chan 1991-3-5 5 Sonoma Bay Hill Road. 182 Comment
  RSA52654  Briza minor I. L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of country line. Comment
  UC1023569  Briza minor Virginia Bufford 1936-5-1 147 Sonoma w Sebastopol (top of hill); O'Farrell Hill Comment
  UC1130934  Briza minor H. S. Yates 1936-5-3 5576 Sonoma 1 mi nw Petrified Forest; Calistoga Quadrangle Comment
  UCD57404  Briza minor C. Wistrom 1996-5-26 34 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  UCD57415  Briza minor Gerry North 1993-4 42 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
  RSA22248  Briza minor Leo Koch 1938-4-21 82 Sonoma Hayfield along Redwood Highway about four miles north of Santa Rosa Comment
  JEPS79161  Brodiaea appendiculata Nancy Harrison 1980-5-16 2125 Sonoma directly s. of vineyard and Piner Elementary School (Piner and Fulton roads are north, west Santa Rosa); west Santa Rosa Comment
  JEPS5694  Brodiaea leptandra W. L. Jepson 1923-6-28 10006 Sonoma Sonoma Canyon Vicinity of San Francisco Bay, Kenwood Comment
  CAS-BOT-BC486466  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Rimo Bacigalupi 1971-6-10 6528 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC486469  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1936-5-3 1331 Sonoma Bet. Shellville and El Verano Comment
  CAS-BOT-BC487727  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1962-6-13 4907 Sonoma Freestone Marsh Comment
  UCD58209  Bromus carinatus P. B. Kennedy 1915-6-1 40 X Sonoma Del Mar. Comment
  UC1155620  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3231 Sonoma 2.8 mi n of Occidental (on road to Monte Rio) Comment
  CAS-BOT-BC149082  Bromus carinatus var. carinatus David L. Morgan 1961-4-11 s.n. Sonoma Highway 101, 3 miles south of Petaluma. Comment
  CAS-BOT-BC155894  Bromus catharticus var. elatus John Thomas Howell 1955-4-14 30148 Sonoma Ranch yard, about 2 miles southeast of Sonoma. Comment
  CAS-BOT-BC155897  Bromus catharticus var. elatus John Thomas Howell 1959-10-8 35097 Sonoma Near Hilton. On Russian River. Comment
  CAS-BOT-BC155955  Bromus commutatus John Thomas Howell 1947-6-26 23305 Sonoma Cunningham Marsh. Comment
  UC1102639  Bromus diandrus P. Zinke 1950-4-23 110 Sonoma intersection of Big Sulphur Creek and Russian River (Outside National Forest, Cal. Forest and Range Experiment Station); Outside National Forest, Cal. Forest and Range Experiment St 152 Comment
  CAS-BOT-BC155204  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 Sonoma Laguna de Santa Rosa east of Cunningham (Near Llano Road). Comment
  CAS-BOT-BC155207  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  CAS-BOT-BC155250  Bromus hordeaceus John H. Thomas 1966-5-8 11596 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  SEINET11690157  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6275 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC162389  Bromus laevipes G. DeNevers 1981-5-23 1291 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  CDA366  Bromus laevipes D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .27 Sonoma Cavedale Rd. Comment
  UC1131025  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma 3 mi wnw of Graton 60 Comment
  UC1146638  Bromus laevipes Freed W. Hoffman 1941-6-20 2102 Sonoma near Camp Meeker (North Coast Ranges, Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UCD144425  Bromus laevipes Frederica Bowcutt 1994-6-25 1914 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 Grey Pine Trail about 1/2 way between Brushy Peak Trail and Meadow Trail. 530 Comment
  UC1010996  Bromus racemosus Virginia Bufford 1936-5-1 168 Sonoma Bodega Canyon, Larkspur Rock Larkspur Rock; Bodega Canyon, Larkspur Rock Comment
  UCD58959  Bromus rubens subsp. rubens Gerry North 1993-4 18 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC185376  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UC766916  Bromus vulgaris R. F. Hoover 1941-5-14 5097 Sonoma sw of Occidental (near Joy District School) Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  CAS-BOT-BC36914  Cakile maritima var. maritima Mrs. H. C. Cantelow 1940-4-20 2994 Sonoma North of Bay near mouth of Salmon Creek. Comment
  UCR254899  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  CAS-BOT-BC185412  Calamagrostis bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13537 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  CAS-BOT-BC185125  Calamagrostis nutkaensis A. G. Vestal 1937-6-18 s.n. Sonoma Stewart's Point. Comment
  RSA55254  Calamagrostis nutkaensis Timothy S. Ross 1938-7-7 2926 Sonoma Near Ft. Ross. Comment
  UC1131348  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma 2 mi ne Freestone; Sebastapol Quadrangle Comment
  UC905592  Calamagrostis nutkaensis David D. Keck 1948-6-29 5929 Sonoma 2 mi n Fort Ross 45 Comment
  SEINET10900606  Calamagrostis nutkaensis George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3074 Sonoma 5 m S of Stewart's Point, Comment
  RSA115463  Calamagrostis ophitidis Beecher Crampton 1957-5-16 s.n. Sonoma Hot Springs Road, 3 miles southwest of Cloverdale Comment
  CAS-BOT-BC438605  Calandrinia ciliata Peter Rubtzoff 1952-5-10 1026 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  UC1360439  Calendula arvensis W. R. Russell 1967-3-28 Sonoma at roadside near cemetary at n end of town, Sonoma Sonoma Comment
  CAS-BOT-BC273245  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma Along highway just east of Shellville Comment
  SEINET11845325  Calendula arvensis W. Knight, Knight, I. 1990-1 6576 Sonoma 1.2 mi S of Warm Springs Rd (Kenwood) Comment
  UCSB22467  Calendula arvensis McCarthy, Sharon 1965-4-17 Sonoma Sonoma, California 25 Comment
  CAS-BOT-BC167303  California macrophylla J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  UCR249035  Callitriche verna Peter Rubtzoff 1971-6-26 6572 Sonoma Willow Creek Marsh 9 Comment
  JEPS101264  Calochortus amabilis Dean W. Taylor 1994-5-4 14221 Sonoma 1.8 mi N of Camp Meeker along Bohemian Hwy; Dutch Bill Cr drainage just downstream confluence with Duvol Creek 76 Comment
  JEPS61628  Calochortus amabilis Eleanor Armstrong 1932-5-25 513 Sonoma near Mark West Springs (near Calistoga Grade) 152 Comment
  UC1197699  Calochortus amabilis Joseph P. Tracy 1933-5-1 12126 Sonoma Knights Valley Mayacama Creek 152 Comment
  UC400140  Calochortus amabilis Ynes Mexia 1929-6-2 2393 Sonoma near Mark West Springs Comment
  UC535002  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley edge Alexander Valley Comment
  CAS-BOT-BC483293  Calochortus amabilis Charles H. Newman 1964-5-24 s.n. Sonoma Mayacamas Range, N.E. of Santa Rosa Comment
  SEINET10859649 Image available Calochortus raichei Roger E. Raiche 1986-7-7 Raiche 60214 Sonoma N of Cazadero. The Cedars. Headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  CAS-BOT-BC494024  Calochortus tolmiei Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  POM161089  Calochortus uniflorus Rimo C. Bacigalupi 1249 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
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Mar 30 2015
  JEPS86803  Calycadenia multiglandulosa Jack and Betty Guggolz 1991-7-20 1209 Sonoma 2 mi nw of Camp Meeker 182 Comment
  CAS-BOT-BC270843  Calycadenia pauciflora Gerald D. Carr 1972-3-20 688 Sonoma 2.0 miles N of Highway 128 on Ida Clayton Road 487 Comment
  UC1971751  Calycadenia truncata R. L. Carr 1986-10-2 2262 Sonoma Mountain Home Ranch Road, ca. 75 yards W of Petrified Forest Road, 1.3 mi NE of Petrified Forest Lane, ca. 3.6 mi SW of Calistoga Comment
  CAS-BOT-BC272761  Calycadenia truncata subsp. truncata Greg de Nevers 1990-7-24 9681 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Devils Kitchen 457 Comment
  CAS-BOT-BC90989  Calycanthus occidentalis Peter Rubtzoff 1959-6-7 4110 Sonoma Bank of Russian River between East Guernewood and Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC90992  Calycanthus occidentalis Peter Rubtzoff 1974-6-2 7529 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC91009  Calycanthus occidentalis James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers. Comment
  UCD137800  Calycanthus occidentalis K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UCSB23042  Calycanthus occidentalis McMinn, Howard 1922-6-7 Sonoma Near Monte Rio, by stream Comment
  UC1745704  Calycanthus occidentalis Annetta M. Carter, Kathryn Thornburg, Florence Little 1938-5-30 Sonoma Cloverdale Grade Comment
  UC4382  Calypso bulbosa J. Burtt Davy 1896-3-14 1652 Sonoma Cazadero Comment
  CAS-BOT-BC292509  Calystegia R. K. Brummitt; T. F. Daniel 1997-5-31 19617 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, 2 km N of Bechtel Cabin. 300 Comment
  JEPS112770  Calystegia collina subsp. collina Dean W. Taylor 1994-5-4 14208 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  SEINET7096768  Calystegia collina subsp. collina A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  JEPS87232  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-17 1298 Sonoma Found on the Anderson Trail (west side of Black Mountain, east of Geyserville (across the road from a sign that said Stop for Golf Carts) 594 Comment
  CAS-BOT-BC223618  Calystegia collina subsp. oxyphylla Mrs. H. C. Cantelow 1938-5-15 2406 Sonoma 5 2/10 mi. s. of The Geysers Comment
  UCD160869  Calystegia purpurata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3295 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-BC224628  Calystegia purpurata subsp. purpurata Peter H. Raven 1951-5-20 2861 Sonoma Oakville to Glen Ellen 274 Comment
  CAS-BOT-BC344885  Camassia Peter Rubtzoff 1970-5-10 6214 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC498782  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  HSC16503  Camissonia ovata F. Demostene 1966-4-3 14 Sonoma 2 mi. E of Healdsburg Comment
  RSA799990  Camissonia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC160367  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC160364  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma Between town of Bodega Bay and Bodega Head Comment
  CAS-BOT-BC266421  Campanula californica Peter Rubtzoff 1951-6-30 299 Sonoma The Pitkin Marsh near Forestville. W branch of the Upper Marsh Comment
  UCD66816  Campanula californica Mary M. Hektner 1974-8-27 182 A Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  SEINET10463208  Campanula prenanthoides Rowntree 1931-7-15 ROWNTREE s.n. Sonoma STEWART PT. SKAGGS SPRINGS ROAD SHADY BANK Comment
  CHSC10119  Capsella bursa-pastoris S. N. Wiemeyer 1962-4-20 28 Sonoma 3/4 mile east of County Hospital along Chanate Rd. 121 Comment
  CAS-BOT-BC37196  Capsella bursa-pastoris G. DeNevers 1981-5-2 923 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  CAS-BOT-BC37769  Cardamine californica Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  UCD114189  Cardamine californica Mary M. Hektner 1976-4-3 236 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC38033  Cardamine oligosperma Peter Rubtzoff 1964-7-29 5458 Sonoma Duncans Mills Marsh. In upper portion of the marsh. Comment
  UCD114549  Cardamine oligosperma Boris Korotyaev 2000-3-28 s.n. Sonoma Bodega Bay. Comment
  HSC42204  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  CAS-BOT-BC18190  Carex Mary P. Wells 1985-7-11 558 Sonoma Pilot's Reach. The Sea Ranch. Comment
  UCD140988  Carex Mary M. Hektner 1976-8-26 267 -A Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1. 150 yards from the ocean bluffs. Between Masthead Reach and Leeward Road. Comment
  CAS-BOT-BC334521  Carex abrupta Peter Rubtzoff 1957-6-28 3375 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC18135  Carex athrostachya John Thomas Howell; J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  CAS-BOT-BC18144  Carex athrostachya Peter Rubtzoff 1958-7-5 3743 Sonoma Atascadero Creek Marsh. Comment
  UCD112452  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Rd.) Comment
  CAS-BOT-BC422341  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh. Comment
  RSA122799  Carex barbarae H. S. Yates 1936-5-16 5584 Sonoma 1 mile northeast of Graton. 30 Comment
  UCR137670  Carex barbarae Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  UCR248956  Carex barbarae Peter Rubtzoff 1958-7-26 3800 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC311815  Carex barbarae Peter Rubtzoff 1959-6-27 s.n. Sonoma Laguna de Santa Rosa northeast of Graton (ca. 0.5 miles north of Guerneville Road crossing). Comment
  RSA0022385  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  CAS-BOT-BC18979  Carex densa John Thomas Howell 1947-6-26 23298 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC20493  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Sonoma County Marshes. Fife Creek Marsh. Comment
  CAS-BOT-BC20511  Carex densa Peter Rubtzoff 1957-5-11 3338 Sonoma Sonoma County Marshes. Occidental Marsh. Comment
  UC1133350  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi NE of Petrified Forest 304 Comment
  UC590029  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi ne Petrified Forest; Calistoga Quadrangle 304 Comment
  UC70610  Carex densa Miss A. King 1896-1 Sonoma near Healdsburg (Russian River) Comment
  UC934  Carex densa H. N. Bolander Apr 1864 3871 Sonoma Russian River Comment
  UC935  Carex densa H. N. Bolander April 1864 3824 Sonoma at Cloverdale Cloverdale; Cloverdale, Sonoma Co. Comment
  CAS-BOT-BC20517  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  RSA52006  Carex dudleyi J. T. Howell 1945-5-30 20891 Sonoma Pitkin Marsh. Comment
  SBBG29953  Carex globosa A. Eastwood, J. T. Howell 1939-4-2 Sonoma near Monte Rio Comment
  SEINET10879720  Carex globosa Lewis S. Rose 1971-4-30 Rose 71026 Sonoma 3 mi E of Occidental. Serpentine Hills. 183 Comment
  SEINET10706382  Carex glomerata Henry N. Bolander Bolander 3824 Sonoma In meadow at Cloverdale. Comment
  CAS-BOT-BC28326  Carex gracilior John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC26256  Carex gracilior H. N. Bolander 3822 Sonoma unspecified Comment
  CAS-BOT-BC146614  Carex gynodynama A. A. Heller 1903-4-23 6605 Sonoma Fort Ross Comment
  RSA51940  Carex gynodynama J. T. Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  UCR248716  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh 79 Comment
  UCR248717  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh 79 Comment
  UCR249354  Carex gynodynama Peter Rubtzoff 1957-5-11 3331 Sonoma Occidental Marsh Comment
  RSA0022362  Carex harfordii Peter Rubtzoff 1962-6-1 4867 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC22297  Carex hassei Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4496 Sonoma 2 miles south of Gualala River, Sonoma Coast. Comment
  CDA34810  Carex hassei Peter Warner 2010-6-28 168 Sonoma Lower Pitkin Marsh, ~63 m, N 49 deg. E of gate at Hwy 116, just N of interior fence. Comment
  CAS-BOT-BC422373  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncans Mills Marsh. Comment
  RSA0023064  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC31431  Carex leptopoda Peter Rubtzoff 1951-6-17 273 Sonoma Pitkin Marsh, near Forestville. Forest S of the Upper Marsh. Comment
  CAS-BOT-BC322116  Carex leptopoda Peter Rubtzoff 1955-5-14 1841 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC329300  Carex leptopoda Peter Rubtzoff 1960-5-16 4347 Sonoma Duncans Mills Marsh. Comment
  HSC7141  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay swamp 2 Comment
  RSA169300  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay. 2 Comment
  UCD140485  Carex leptopoda Lewis S. Rose 1964-6-3 64051 Sonoma north end of Bodega Bay. 1 Comment
  UCR249048  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh Comment
  CHSC33993  Carex nudata J. D. Prouty 1980-4-12 860 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi w of junction with Petrified Forest Road. 256 Comment
  RSA0022388  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 mi below Guerneville along Russian River. Comment
  SEINET7569416 Image available Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC290572  Carex obnupta Peter Rubtzoff 1964-5-20 5305 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC310304  Carex obnupta Peter Rubtzoff 1964-7-29 s.n. Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC118943  Carex pellita John Thomas Howell 1945-8-14 21410 Sonoma Perry marsh. Comment
  RSA51977  Carex pellita J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC117672  Carex serratodens Gregory Clark de Nevers 1987-4-25 8164 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd. 400 Comment
  JEPS18140  Carex serratodens Rimo Bacigalupi with G. T. Robbins and Freed Hoffmann 1956-5-30 5660 Sonoma nr. Layton Chromite Mine (headwaters of Big Austin Creek, vicinity of The Cedars); Big Austin Creek 266 Comment
  RSA0022395  Carex serratodens Peter Rubtzoff 1957-5-11 3341 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC352236  Carex simulata Peter Rubtzoff 1976-5-30 8561 Sonoma Kenwood Marsh. Comment
  UCR248867  Carex stipata var. stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh 71 Comment
  RSA0022361  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh. Comment
  UC589968  Carex vesicaria var. major H. S. Yates 1936-5-17 5632 Sonoma 2 mi ne Graton; Sebastopol Quadrangle 30 Comment
  CAS-BOT-BC281882  Carthamus T. C. Fuller 1969-9-16 18901 Sonoma Ca 1 mile W of the Asti turn-off of the freeway, Highway 101, Asti Comment
  CAS-BOT-BC281914  Carthamus lanatus Peter Rubtzoff 1969-7-5 6110 Sonoma Ca 5 miles NE of Penngrove, on Lichen Rd Comment
  CAS-BOT-BC281917  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 miles W of Skagg's Springs on road to Stewart's Point Comment
  CDA7002  Carthamus leucocaulos T. C. Fuller 1970-5-4 19484 Sonoma 2 miles west of the overpass, Highway 101, Asti. 0 Comment
  SEINET9362144  Carthamus leucocaulos Unknown 1978-8-17 20253 Sonoma 12 plants in a line along the inner face of dam at edge of water cutting action, 1.6 km W of freeway exit, hwy 101, Asti. Botany 102, Botany Department, University of California, Davis. Comment
  CAS-BOT-BC320538  Caryophyllaceae Peter Rubtzoff 1973-8-20 7238 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC251253  Caryophyllaceae Peter Rubtzoff 1987-5-3 9765 Sonoma Austin Creek, ca. 0.6 miles north of Hwy. 116 on Austin Creek Road Comment
  JEPS3864  Castilleja W. I. Follett 1937-5-9 67 Sonoma 9 mi se Bodega Bay Comment
  UC353895  Castilleja affinis subsp. affinis Milo S. Baker 1927-5-7 2125 a Sonoma Fitzsimmons Grade to Adobe Canyon Comment
  JEPS74987  Castilleja ambigua subsp. ambigua T. I. and F. M. Chuang 1975-7-5 7518 Sonoma s side Pitkin Marsh Comment
  RSA19277  Castilleja ambigua subsp. ambigua Jens Clausen 1935-5-24 1095 Sonoma 6.5 mi. S. of Jenner on the Bodega Road. Comment
  UC103162  Castilleja ambigua subsp. ambigua J. W. Congdon 1880-5-24 Sonoma Petaluma Comment
  UC1238988  Castilleja applegatei subsp. martinii Freed W. Hoffman 1947-5-30 515 Sonoma Layton Mine North Coast Ranges, Austin Creek (Austin Creek) Comment
  UC1012323  Castilleja attenuata F. W. Pennell and H. L. Mason 1940-5-21 25484 Sonoma e of Kellogg (Route 28) 182 Comment
  SEINET12337432  Castilleja franciscana Unknown 1986-1 60158 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 366 Comment
  RSA92796  Castilleja latifolia Joanne Taylor 1941-7-13 7 Sonoma Bodega Head 30 Comment
  JEPS27975  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. Heckard 1961-6-9 7734 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner road) 249 Comment
  JEPS35569  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1385 Sonoma s side Russian River (just across bridge on State Highway 1) Comment
  JEPS35852  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. R. Heckard 1964-8-3 8998 Sonoma 0.9 mi n Calif. Hwy. 1 junction with road to Seaview (along Calif Hwy 1, between Fort Ross and Russian Gulch, just s of Meyer Gulch) 152 Comment
  SDSU10562  Castilleja subinclusa subsp. franciscana D. F. Howe 1965-8-3 4100 Sonoma 2.4 miles E on Bodega Bay on #1. Comment
  JEPS26117  Castilleja wightii Peter H. Raven, R. Snow 1958-7-23 13688 Sonoma 2.6 mi n Jenner Comment
  JEPS33889  Castilleja wightii Lloy Thurman and Ted Crovello 1964-4-12 Sonoma about 5 mi s Jenner (along the coast (Highway 1)) Comment
  JEPS35568  Castilleja wightii L. R. Heckard 1964-6-12 1386 Sonoma s side Russian River (just across bridge on State Hwy 1) Comment
  JEPS35572  Castilleja wightii L. R. Heckard 1964-6-12 1382 Sonoma about 2 mi n Stewarts Point (along Calif Hwy 1) Comment
  CAS-BOT-BC47804  Ceanothus James McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mountain and the Geysers Comment
  UC1614461  Ceanothus Charles M. Belshaw 1936-3-8 1583 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood); Inner North Coast Range Comment
  CAS-BOT-BC32771  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  RSA21893  Ceanothus confusus J. T. Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  POM126433  Ceanothus foliosus H. P. Chandler 1907-4-27 7544 Sonoma St. Helena to Santa Rosa via spring Mt. Comment
  UC1280764  Ceanothus foliosus var. foliosus H. E. McMinn 1941-4-26 5319 Sonoma Ricon Ridge Comment
  CAS-BOT-BC49994  Ceanothus gloriosus John Thomas Howell 1937-4-11 12899 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50003  Ceanothus gloriosus John Thomas Howell 1935-5-5 12615 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50014  Ceanothus gloriosus John Thomas Howell 1937-4-11 12904 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49950  Ceanothus gloriosus var. exaltatus Milo S. Baker 1931-3-7 s.n. Sonoma About 10 mi. West of Santa Rosa at Frei Ranch Comment
  CAS-BOT-BC49975  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  POM86919  Ceanothus griseus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UC635512  Ceanothus griseus H. L. Mason 1928-4-8 4295 Sonoma coast two miles N of Fort Ross Comment
  UCD158880  Ceanothus incanus James A. Neilson Jr. 1975-1-23 3124 Sonoma Mayacmas Mountains. One-quarter mile south of Little Sulphur Creek crossing., Healdsburg- Geysers Road. (Elevation estimated using topo map by label maker.) 731 Comment
  UCD112175  Ceanothus incanus Collector unknown Date unknown s.n. Sonoma southeastern part of county. Comment
  RSA1148  Ceanothus jepsonii B. D. Stark 1929-7-22 1381 Sonoma Sonoma-Mendocino County line. Comment
  UC1281528  Ceanothus jepsonii H. E. McMinn 1931-6-29 2566 Sonoma 5 mi n Cloverdale Comment
  SEINET12211105  Ceanothus jepsonii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -240 Sonoma end of Stoetz Road 200 Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  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-BC51876  Ceanothus parryi John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54689 Sonoma Bouverie Audobon Preserve, about 1.5 miles East of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC51884  Ceanothus parryi Greg de Nevers 1987-1-8 8122 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  OBI10391  Ceanothus parryi H. E. McMinn 1941-4-26 5321 Sonoma North of Guerneville Comment
  UC750534  Ceanothus parryi Lewis S. Rose 1947-5-9 47134 Sonoma Occidental 152 Comment
  SEINET12211132  Ceanothus parryi Unknown 1985-1 50183 Sonoma W of Healdsburg, Dry Creek area, ridge W of Dry Creek Valley & N of Dorman Canyon (Crane 244 Comment
  UC1193290  Ceanothus prostratus R. H. Neuns 1950-5-17 112 Sonoma 4 mi airline from the Geysers (Sonoma-Lake County line); Quad. 60B4, 4 mi from the Geysers 990 Comment
  CAS-BOT-BC53046  Ceanothus sonomensis Cliff Schmidt; Walter Knight 6055 Sonoma Cavedale Road 274 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
  RSA757815  Ceanothus sonomensis Dylan O. Burge 2008-5-29 DOB 1002 c Sonoma Sonoma Mountains, Annadel State Park, above abandoned quarry at the end of Rhyolite Trail, accessed via Lawndale Trail, beginning at the Lawndale Trail Head on Lawndale Road, 4.65 km 272 degrees true west-northwest of Kenwood. 330 Comment
  SEINET12210783  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4501 Sonoma Tilden Botanic Garden, Berkeley Comment
  SEINET12210863  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4625 Sonoma 305 Comment
  UC1281390  Ceanothus sonomensis H. E. McMinn 1938-9-5 5254 Sonoma Mt. Hood Range, road from Warfield to Oaskville Comment
  CAS-BOT-BC52347  Ceanothus thyrsiflorus Mary P. Wells 1985-9-13 654 Sonoma Forest no. of junction of Timber Ridge and Longmeadow Roads, The Sea Ranch Comment
  CAS-BOT-BC52348  Ceanothus thyrsiflorus Walter Knight; Irja Knight 1963-10-3 347 Sonoma US 101 freeway at Railroad Ave interchange, Cotati Comment
  JEPS15042  Centaurea benedicta unknown 1877-1-1 Sonoma Healdsburg Comment
  CDA20599  Centaurea maculosa S. Ostrom 2005-10-2 PDR 1351698 Sonoma North Coast; Hwy 101 S center divide at College Ave exit. 0 Comment
  JEPS128218  Centaurea melitensis Roger Raiche 2000-5-5 098 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD161376  Centaurea melitensis James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, above Cloverdale Mine, (Elevation and exact location estimated by label maker.) 731 Comment
  UC878328  Centaurium trichanthum Milo S. Baker 1940-7-18 9785 Sonoma ca 0.5 mi n Wilfred Station (w side of Hwy 101) Comment
  CDA388  Centaurium venustum D. G. Kelch 2003-7-14 3 .379 Sonoma Cavedale Road. Comment
  CAS-BOT-BC271541  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  UC952861  Centromadia pungens subsp. pungens Milo S. Baker 1951-11-1 12386 Sonoma near Kenwood (in a field at Maplewood); Maplewood Comment
  CAS-BOT-BC384971  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay Comment
  UCD98079  Cerastium glomeratum Rimy Waraich 1993-5-8 229 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail. 365 Comment
  CAS-BOT-BC400225  Ceratophyllum demersum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  SD134006  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC207632  Cercis occidentalis Peter Fritsch 1999-10-3 1749 Sonoma 0.5 mi W of the gate to the geothermal plant along Geysers Resort Road. Comment
  POM140923  Cercocarpus betuloides A. A. Heller, H. E. Brown 1902-3-25 5147 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC279785  Chamaemelum fuscatum Thomas Nelson; James Nelson 1975-3-25 1751 Sonoma Asti Comment
  RSA176442  Chamaemelum fuscatum P. H. Raven 1963-4-12 18161 Sonoma Along U. S. 101 just south of Asti. Comment
  UC42452  Cheilanthes covillei F. T. Bioletti 1893-3-12 Sonoma Sonoma Comment
  CAS-BOT-BC166902  Chenopodium Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7844 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166742  Chenopodium Peter Rubtzoff 1968-9-21 5987 Sonoma Petaluma Creek at Stony Point Road, 4 miles northwest of Petaluma. Comment
  UC7286  Chenopodium botrys J. Burtt Davy Aug. 1896 4138 Sonoma Russian River Comment
  CDA3067  Chenopodium murale T. Roberts, S. Larson 1989-12-11 Sonoma Near Valley Ford. 0 Comment
  UC1563651  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  CAS-BOT-BC499255  Chlorogalum pomeridianum Peter Rubtzoff 1951-7-14 476 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  JEPS50856  Chlorogalum pomeridianum var. pomeridianum H-M. Beard Jun 26 1967-Jun 27 1967 61 .104 Sonoma Comment
  POM169099  Chlorogalum pomeridianum var. pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC246321  Chloropyron maritimum subsp. palustre John Thomas Howell 1955-8-6 30895 Sonoma On west side of Bodega Bay Comment
  UC84506  Chorizanthe cuspidata var. villosa Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Pt., Sonoma Co. Comment
  CAS-BOT-BC257010  Chorizanthe membranacea H. N. Bolander 1860-1-1 3959 Sonoma At the geysers Comment
  CAS-BOT-BC252849  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1918-5-1 6832 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC252852  Chorizanthe polygonoides var. polygonoides Milo S. Baker No date on label. s.n. Sonoma Mt. St. Helena, 1/2 mi. SE of Inn Comment
  CHSC297  Chrysanthemum segetum 1952-7-15 Sonoma Coastal. 30 Comment
  UCD110108  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UCD110109  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  SD251186  Chrysopsis Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 miles SW of the Russian River bridge in Hacienda. Comment
  CAS-BOT-BC278067  Cirsium douglasii var. breweri Milo S. Baker 1926-1-1 229 c-Local Sonoma Hood Mt 609 Comment
  UC91837  Cirsium douglasii var. douglasii Alice Eastwood 1900-7-4 Sonoma Bodega Point 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-BC285709  Cirsium occidentale var. occidentale Ella Dales Cantelow 1941-6-7 3555 Sonoma State Hy 1 w. of Bodega Comment
  CAS-BOT-BC280365  Cirsium occidentale var. venustum Peter Rubtzoff 1952-6-3 1144 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC280371  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  POM53749  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  UC30833  Cirsium occidentale var. venustum F. T. Bioletti 1892-7-24 Sonoma Glen Ellen Comment
  CAS-BOT-BC280542  Cirsium quercetorum Mrs. H. C. Cantelow 1936-5-3 s.n. Sonoma Near El Verano Comment
  CAS-BOT-BC285756  Cirsium remotifolium W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5441 Sonoma Cherry Creek Road W of Cloverdale Comment
  CAS-BOT-BC285898  Cirsium vulgare John Thomas Howell 1930-6-8 5286 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC162607  Clarkia W. R. Dudley 1893-9-9 s.n. Sonoma Russian River 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
  UC107819  Clarkia amoena subsp. amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  POM180690  Clarkia amoena subsp. amoena J. T. Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  SEINET4143367  Clarkia amoena subsp. amoena K. Brandegee s.n. Sonoma Bodega Bay Comment
  CDA40856  Clarkia amoena subsp. huntiana G. F. Hrusa, A. Buckmann 1996-10-5 13585 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Approx. 2 m. SW of Calistoga. Comment
  CAS-BOT-BC172205  Clarkia concinna A. A. Heller 1902-6-26 5776 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC172220  Clarkia concinna F. F. Wood 1918-4-25 s.n. Sonoma Cazadero Comment
  POM249870  Clarkia concinna subsp. concinna Joseph A. Ewan 1935-5-13 9202 Sonoma Bodega Bay Rd. 2 miles W of Bodega. Comment
  RSA209516  Clarkia concinna subsp. concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mountain, near Healdsburg Comment
  UCD104045  Clarkia davyi Frederica Bowcutt 1984-6-23 417 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1, N of Gerstle Cove about 1/8 mile. 15 Comment
  UCD104540  Clarkia gracilis Frederica Bowcutt 1994-5-21 1810 a 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 and about 18 air miles NW of Napa. Along meadow trail appx. 3/4 mile from trailhead. 396 Comment
  UC107858  Clarkia gracilis subsp. sonomensis Michener and Bioletti June, 1891 682 b Sonoma Glen Ellen Comment
  CAS-BOT-BC163138  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 17 Sonoma One-half mile east of Glen Ellen 30 Comment
  POM187553  Clarkia gracilis subsp. sonomensis Marcus E. Jones 1931-7-5 s.n. Sonoma Cloverdale Comment
  UC424795  Clarkia purpurea Milo S. Baker 1930-6-6 4165 a Sonoma between Wake Robin Lodge and Brenner's Comment
  CAS-BOT-BC163465  Clarkia purpurea subsp. quadrivulnera G. DeNevers 1981-5-9 1054 Sonoma On a hot, thin soil road cut below the Strebel Homestead Comment
  CAS-BOT-BC163471  Clarkia purpurea subsp. quadrivulnera Walter Knight; Irja Knight 1963-8-25 404 Sonoma Magnolia Ave, near cemetery, Petaluma Comment
  CAS-BOT-BC172355  Clarkia purpurea subsp. viminea J. W. Congdon 1880-6-5 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC164588  Clarkia purpurea subsp. viminea Dorothy Scherer 1997-5-20 127 Sonoma North side of Fort Ross Rd. and 1/8 mi. west of Seaview Rd, Fort Ross State Historic Park 457 Comment
  OBI48970  Clarkia rubicunda Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Glen Ellen Comment
  UCD55329  Clarkia unguiculata Ellen Dean 2006-6-28 3172 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  SEINET10492158  Clarkia unguiculata Tim Holtsford 1992-5-23 Holtsford 920523 -2 Sonoma Mark west springs rd, 0.1 mi w of ursuline rd, at milepost "ldtr 362+00." W- Facing slope with oaks, rhus, heracleum. Clarkia cocinna is sympatric. Comment
  SD130424  Claytonia gypsophiloides F. Alameda, G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch: along road to the Garrison Cabin at the SW sector of the ranch Comment
  SJSU9881  Claytonia gypsophiloides G. J. Woodside 1969-4-29 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St Dorothy's Rest Comment
  UC1587537  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4252 Sonoma 3.7 mi nw Hwy. 128 (Cloverdale to Boonedale rd.) jct. with Hwy. 101 (near Cloverdale) Comment
  UC1587551  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4253 Sonoma 3.7 mi nw Hwy. 128 (Cloverdale to Boonedale rd.) jct. with Hwy. 101 (near Cloverdale) Comment
  CAS-BOT-BC439398  Claytonia gypsophiloides Barrett Anderson 1986-4-9 2875 Sonoma Ida Clayton Rd N of Kellogg. 745 Comment
  UCD100809  Claytonia perfoliata subsp. perfoliata Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-27 77 A Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC443681  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1931-4-2 6040 Sonoma Kenwood Comment
  UCD160143  Claytonia rubra subsp. depressa James A. Neilson Jr. 1974-4-4 3168 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 975 Comment
  CAS-BOT-BC443873  Claytonia sibirica A. A. Heller; H. E. Brown 1902-3-29 5185 Sonoma Bodega Bay Comment
  CAS-BOT-BC91529  Clematis lasiantha Greg de Nevers 1993-8-14 10489 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Devil's Kitchen. 457 Comment
  UC372781  Clematis ligusticifolia Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mill's Comment
  CAS-BOT-BC499957  Clintonia andrewsiana Rimo Bacigalupi 1926-5-8 1393 Sonoma Cazadero Comment
  SEINET12051401  Clintonia andrewsiana F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -225 Sonoma ca 0.15 mi SE from East Ave jct with Bohemian Road on latter enroute to Occidental from Camp Meeker 140 Comment
  UC1012303  Collinsia heterophylla F. W. Pennell and H. L. Mason 1940-5-21 25481 Sonoma Kellogg, Route 28 Kellogg; , Route 28 274 Comment
  SEINET5737213 Image available Collinsia heterophylla Johann D. Watjen 1969-1 26 Sonoma West slope of Sugar Loaf Ridge, 8 miles north of Sonoma.; Sugar Loaf Ridge 244 Comment
  JEPS21814  Collinsia sparsiflora var. arvensis Alvin W. Urquhart 1958-4-13 21 Sonoma 2 mi e Glenn Ellen (Sonoma Mt. rd) 304 Comment
  UC796637  Collinsia sparsiflora var. arvensis Ira L. Wiggins 1949-4-30 12065 Sonoma four mi w Calistoga (just within county line) Comment
  RSA52690  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12061 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  CDA5447  Collomia heterophylla D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .286 Sonoma Cavedale Rd. Comment
  SEINET12337433  Collomia heterophylla W. Knight, Knight, I.; Knight, T. 1985-1 5147 Sonoma Comment
  SEINET6174100 Image available Convolvulus soldanella Sally Walker 1982-5-24 Sonoma Duncans Landing Comment
  CAS-BOT-BC286002  Conyza bonariensis Mary P. Wells 1989-8-15 1017 Sonoma In Rincon Valley, Santa Rosa Comment
  JEPS128187  Conyza canadensis Roger Raiche 1999-8-28 027 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC371465  Cordylanthus Greg de Nevers 1989-11-2 9118 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Top of Telegraph Hill. 400 Comment
  RSA0065199  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1997-6-7 11074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Oak Hill Ranch. 100 Comment
  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
  JEPS87247  Cordylanthus tenuis subsp. brunneus Jack and Betty Guggolz 1992-7-25 1334 Sonoma 5/8 mi ssw Bradford Mountain (along a dirt road, 4+ mi wsw of Geyserville) 292 Comment
  UC1239009  Cordylanthus tenuis subsp. brunneus Freed W. Hoffman 1947-8-4 1421 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  JEPS33006  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker Comment
  UC1044679  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC1239008  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1947-9-5 1251 Sonoma between Tyrone and Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC762589  Cordylanthus tenuis subsp. capillaris Robert F. Hoover 1941-6-7 5307 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC238236  Cordylanthus tenuis subsp. capillaris Roxana S. Ferris; Laura Lorraine 1961-6-15 13559 Sonoma 1.3 mi. from junction with Green Valley Road on Harrison Grade Comment
  UCD130836  Corethrogyne filaginifolia Mary M. Hektner; Sue Dakuzaku 1974-6-19 27 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  CAS-BOT-BC212292  Cornus glabrata Walter Knight; Irja Knight 1964-8-23 681 Sonoma corner Calistoga and Porter Creek Roads Comment
  CAS-BOT-BC210438  Cornus sericea J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield Comment
  UC723024  Coronopus didymus C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma below Bodega State Park Comment
  JEPS58665  Corylus californica W. L. Jepson 1923-7-20 10025 Sonoma Sonoma Canyon Comment
  UC1112869  Cotula australis Milo S. Baker 1956-6-10 13094 a Sonoma Near Granero's Garden, Adobe Canyon Comment
  RSA94302  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Lower part of the Upper Marsh Comment
  UCD165873  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  SD206989  Crassula aquatica Reid Moran, C. Quibell and W. Knight. 1991-5-21 31054 Sonoma Diversion channel south of Spring Lake, Santa Rosa. 99 Comment
  CAS-BOT-BC427661  Crassula aquatica Peter Rubtzoff 1970-10-3 6405 Sonoma Near U.C. Bodega Marine Laboratory Comment
  SBBG50614  Crataegus douglasii D. Ryerson 1969-5-3 42 Sonoma W side of Jonive Rd, 0.5 mi N of jct with Bodega Hwy, ca. 1.5 mi NE of Freestone Comment
  SJSU5983  Crataegus douglasii C. W. Sharsmith 1972-6-24 7796 Sonoma Atascadero Cr Marsh c 1 mi NW of Graton by lower Atascadero Cr, a tributary of Green Valley Cr Comment
Read comments
Dec 20 2006
  CAS-BOT-BC143506  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  UC580679  Crataegus gaylussacia H. S. Yates 1934-4-21 3783 Sonoma Near Freestone Sebastopol Quad. 60 Comment
  RSA178024  Crataegus suksdorfii Robert F. Thorne 1965-4-19 34279 Sonoma half way betw Freestone and Occidental. 137 Comment
  CAS-BOT-BC173648  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  RSA784492  Crepis capillaris Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UC1561762  Crupina vulgaris Liam Davis 1990-5-17 9078 -3 Sonoma about 200 m s Lake Llsanjo (along e side of Canyon Trail); Annadel State Park 243 Comment
  JEPS30831  Cryptantha leiocarpa Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8587 Sonoma 0.25 mi se Horseshoe Cove (at ne base of low hills forming Bodega Head proper); Bodega Head 12 Comment
  UC662541  Cryptantha leiocarpa Milo S. Baker 1934-6-1 7704 Sonoma Wrights Beach Comment
  UCD162162  Cupressus goveniana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1515 Sonoma Hooker Creek watershed. 520 Comment
Read comments
Jul 25 2018
  NY16705  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC99996  Cupressus pygmaea J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12692 Sonoma Salt Point State Park Comment
  CAS-BOT-BC85460  Cupressus sargentii John Thomas Howell 1931-9-26 8092 Sonoma Serpentine outcrop 2 miles from Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC85473  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-13 2141 Sonoma Coys Ranch about 2 mi. from Occidental 91 Comment
  UC1193102  Cupressus sargentii P. Zinke 1949-6-14 61 Sonoma ridge between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  UC583388  Cupressus sargentii Elmer I. Applegate 1934-3-25 8859 Sonoma w slope Mayacama Mts.; , Pine Flat Region Comment
  UC618967  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle Comment
  CAS-BOT-BC85465  Cupressus sargentii Stephen N. Stephenson 1979-8-13 s.n. Sonoma south facing slope of Sonoma Mt.,, adjacent to Sonoma-Napa rd. near county line 700 Comment
  NY16794  Cupressus sargentii D. D. Keck 1933-11-6 2651 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
  CAS-BOT-BC190346  Cynodon dactylon John Thomas Howell; Walter Knight; Irja Knight 1987-5-20 6233 Sonoma Todd Road Preserve. 24 Comment
  CAS-BOT-BC190349  Cynodon dactylon Peter Rubtzoff 1958-7-26 3805 Sonoma Laguna de Santa Rosa east of Sebastapool. Comment
  UCR248761  Cynodon dactylon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles south of Stony Point Road 75 Comment
  POM63635  Cynoglossum grande A. A. Heller, H. E. Brown 1902-3-14 5052 Sonoma Near Santa Rosa Comment
  SEINET180832  Cynoglossum grande E. Tucker 1936-4-5 Sonoma Camp Meekee Comment
  CAS-BOT-BC312690  Cynosurus Peter Rubtzoff 1971-6-5 6515 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC350811  Cynosurus Peter Rubtzoff; Nancy Harrison 1978-6-11 9209 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  CAS-BOT-BC114515  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-29 400 Sonoma Roblar Rd. Wet spot near county dump. Comment
  RSA41918  Cyperus eragrostis H. C. Cantelow 1936-5-3 1282 Sonoma Kenwood Comment
  CAS-BOT-BC114339  Cyperus esculentus Peter Rubtzoff 1965-9-11 5650 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  JEPS128196  Cypripedium californicum Roger Raiche 1982-5-29 20416 A Sonoma The Cedars, Mineral Springs Canyon. Lower Russian River, Big Austin Creek watershed. Comment
  UCD57958  Cypselea humifusa Brenda Grewell 2007-5-24 s.n. Sonoma Grown out from soil collected at braided side channel Laguna de Santa Rosa. West side across from confluence with Gravenstein Creek. South of Sebastopol. DFG Laguna Wildlife Area. Near Cooper Road. Comment
  CAS-BOT-BC189805  Dactylis glomerata G. DeNevers 1981-5-23 1281 Sonoma Pepperwood Ranch. At Big Roadcut on Franz Valley Road, below Walter Ward's House. Comment
  RSA216130  Damasonium californicum Peter Rubtzoff 1961-5-24 4606 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC192276  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma Bordering Pitkin Marsh Comment
  CAS-BOT-BC192279  Danthonia californica John Thomas Howell 1947-6-5 23246 Sonoma Cunningham Marsh Comment
  SEINET191751 Image available Danthonia californica K. Wagnon 1939-4-20 179 Sonoma About 2 miles south of Kenwood along Sonoma Highway. 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
  UCD33094  Danthonia californica Beecher Crampton 1966-5-10 7724 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UCD60480  Danthonia californica B. Crampton 1955-6-17 2960 Sonoma 4.5 miles east of Fort Ross. Comment
  UCD60498  Danthonia californica H. S. Yates 1934-4-22 3853 Sonoma 2 miles S of Mark West. 152 Comment
  CHSC100548  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma Ca. 8.5 miles SE of Geyserville, south end of Alexander Valley, jct. of Calistoga (Hwy 128) and Chalk Hill Roads. Comment
  UCD34819  Danthonia californica var. americana Beecher Crampton 1963-5-27 6811 Sonoma Sonoma County, Alexander Valley, state Hwy. 128, ca. 8 miles S.E. of Geyserville. Comment
  SEINET7096798  Danthonia californica var. californica A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane. Ca. 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  UCR255037  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma North Coast Range, Santa Rosa, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC293815  Deinandra corymbosa Milo S. Baker 1930-6-1 4168 a Sonoma Fappiano's Ranch just north of his Subdivision on Russian River. Near Healdsburg Comment
  UC405403  Deinandra corymbosa P. B. Kennedy 1914-10-1 Sonoma Comment
  CAS-BOT-BC292097  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC9575  Delphinium bakeri Milo S. Baker 1929-5-3 3429 Sonoma Coleman Valley Comment
  CAS-BOT-BC9015  Delphinium decorum A. A. Heller; H. E. Brown 1902-4-11 5266 Sonoma Bodega Bay Comment
  CAS-BOT-BC9017  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC10343  Delphinium hesperium Ella D. Cantelow 1938-5-15 2408 Sonoma About 5 mi. E of Geyserville near foot of grade to The Geysers Comment
  UCSB31450  Delphinium hesperium Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  SBBG2150  Delphinium hesperium subsp. hesperium H. and M. Dearing 1933-5-14 384 Sonoma Cloverdale, Hopland grade Comment
  CAS-BOT-BC10093  Delphinium luteum Milo S. Baker 1926-4-14 186 e Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC8006  Delphinium nudicaule A. A. Heller; H. E. Brown 1902-3-12 5046 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  POM150547  Delphinium nudicaule A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  UC1299392  Delphinium nudicaule Freed W. Hoffman 1947-4-13 660 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  CAS-BOT-BC121722  Delphinium patens subsp. patens D. E. Breedlove 1980-5-3 44653 Sonoma Pepperwood Ranch W of Knights Valley Comment
  LA207565  Delphinium variegatum J. Ewan; 1935-5-12 9240 Sonoma Los Guilicos, 2 mi. N of Kenwood Comment
  SEINET7067342  Delphinium variegatum A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  UC467771  Delphinium variegatum Milo S. Baker May 1899 Sonoma near Kenwood Comment
  CAS-BOT-BC83025  Dendromecon rigida Kate Eastwood Phelps 1935-4-1 s.n. Sonoma Point Sal. Comment
  CDA23056  Dendromecon rigida D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .266 Sonoma Cavedale Rd. Comment
  SEINET12091845  Dendromecon rigida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -160 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC585  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris; Laura Lorraine 1961-6-15 13558 Sonoma Green Valley Rd, 0.8 miles east of junction with Harrison Grade Rd. Comment
  CAS-BOT-BC586  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris; Laura Lorraine 1961-6-15 13558 Sonoma Green Valley Rd, 0.8 miles east of junction with Harrison Grade Rd. Comment
  UC1055942  Deschampsia cespitosa subsp. cespitosa Peter Kamb and Francia Chisaki 1950-6-16 1861 Sonoma 1 mi. n. Sousa Corners (n.w. of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC192605  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1947-6-5 23245 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC192607  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1945-5-30 20898 Sonoma Pitkin Marsh Comment
  UCD63759  Deschampsia cespitosa subsp. holciformis Virginia Bufford 1936-5-1 165 Sonoma Larkspur Rock--Bodega Canyon. Comment
  UCD63790  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  UCD63810  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4322 Sonoma Along State Hwy. 1, about 0.8 miles north of Salmon Creek, Sonoma Coast State Park. Comment
  CAS-BOT-BC201648  Deschampsia danthonioides John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54681 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC210165  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  RSA784393  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6084 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC201961  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi. NW of Freestone 76 Comment
  RSA227247  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  UC53607  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma Russian R. below Guerneville; Russian R. Comment
  UCD63718  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3555 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCR255732  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO Camp south of Occidental on Bohemian Highway [2136 Bohemian Hwy, Occidental] 122 Comment
  CAS-BOT-BC383034  Deschampsia elongata Greg de Nevers 1998-6-15 11288 Sonoma CYO Camp on Bohemian Highway. Comment
  UCD63573  Deschampsia elongata R. Tofsrud 1941-6-1 81 Sonoma Spring Mt. Road. Comment
  RSA264775  Dicentra formosa subsp. formosa Peter Rubtzoff 1975-4-27 7950 Sonoma Forest Hills, 5.5 miles east of Guerneville. At 9981 Old River Road Comment
  SEINET7295473 Image available Dichanthelium acuminatum Leo Koch 1940-1 825 Sonoma Bare slopes around Sulfur Creek Geysers, east of Cloverdale, Inner North Coast Ranges Comment
  CAS-BOT-BC208931  Dichanthelium acuminatum subsp. acuminatum Peter Rubtzoff 1951-7-22 532 Sonoma Uppermost part of NE western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC208927  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1903-8-1 569 Sonoma The Geysers Comment
  CAS-BOT-BC253653  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1902-7-1 s.n. Sonoma Russian River Comment
  SEINET242425 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 f Sonoma NE Sonoma Co, The Geysers, 12 mi east of Cloverdale, ca. 1.2mi E of Geyser Resort area, slope of steam well no. 10 494 Comment
  SEINET10960759  Dichanthelium acuminatum subsp. thermale John H. Redfield 1872-8-27 Redfield 9792 Sonoma Geyser Springs. Comment
  RSA94467  Dichanthelium acuminatum var. fasciculatum Peter Rubtzoff 1951-6-9 174 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  HSC104249  Dichanthelium lanuginosum var. thermale R. York, Sally de Becker, Laurie Wickenheiser, Joe O'Hagan 1990-7-24 90001 Sonoma The Little Geysers, south of Little Geysers Creek Comment
  CHSC57543  Dichelostemma capitatum subsp. capitatum Shelly A. Kirn 1991-3-28 1 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  RSA173354  Dichelostemma capitatum subsp. capitatum Walter Knight 1965-6-6 1119 Sonoma [?????] Hill Road. Comment
  SEINET8472296  Dichelostemma capitatum subsp. capitatum W. Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa. 46 Comment
  CAS-BOT-BC176146  Digitaria Peter Rubtzoff 1969-8-29 6170 Sonoma Salmon Creek, ca. 0.5 mi. upstrom from Hwy. #1 Comment
  UCD64092  Digitaria sanguinalis Virginia Bufford 1935-9-8 82 Sonoma Vine Hill District. Comment
  CAS-BOT-BC152036  Diplacus aurantiacus L. R. Abrams 1916-7-3 5780 Sonoma Petrified Forest Comment
  CAS-BOT-BC152039  Diplacus aurantiacus Walter Knight; Irja Knight 1963-10-27 441 Sonoma Spring Mt. Road Comment
  CAS-BOT-BC151918  Diplacus douglasii Milo S. Baker 1927-4-11 2061 a Sonoma Hillside on Macartney - N.W. of our house at Maple Glen Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  UC72487  Disporum hookeri Milo S. Baker 1898-4-2 Sonoma road between Forestville and Guerneville Comment
  CAS-BOT-BC182753  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCD64557  Distichlis spicata Beecher Crampton 1957-7-11 4315 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  UCR248898  Distichlis spicata Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just south of Hwy 116 34 Comment
  UCR248899  Distichlis spicata Peter Rubtzoff 1970-5-30 6234 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  JEPS57131  Dodecatheon hendersonii L. R. Heckard 1967-5-7 1595 Sonoma near top Hood Peak; near top of Hood Peak 822 Comment
  CAS-BOT-BC154160  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  JEPS19381  Downingia concolor var. concolor G. Thomas Robbins 1938-5-19 265 Sonoma sw of Santa Rosa (Stony Point Road, near The Lagunas) Comment
  UC890619  Downingia concolor var. concolor Alice Eastwood and John Thomas Howell 1936-5-19 2508 Sonoma 2 mi n Windsor Comment
  RSA783712  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC76661  Downingia concolor var. concolor Miss M. Alice King May 1897 Sonoma Comment
  UCD164686  Downingia cuspidata Peter Rubtzoff; Tim Tunison, Nancy Harrison 1976-6-5 8581 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS26984  Downingia pusilla Milo S. Baker 1927-5-8 2114 Sonoma near Bennett Valley Road summit Comment
  JEPS3074  Downingia pusilla Bioletti 1892-5-1 Sonoma Shellville, Sonoma Co. Comment
  POM179770  Drymocallis glandulosa var. wrangelliana J. T. Howell 1930-6-8 5255 Sonoma 1 mile east of Bodega Bay Comment
  RSA123329  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma Near Bodega. 61 Comment
  CAS-BOT-BC71019  Dryopteris arguta A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC428183  Dudleya cymosa subsp. cymosa John Thomas Howell 1932-10-9 10814 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  UC933225  Dudleya farinosa Reid Moran March 1949 3184 Sonoma coast n Bodega Comment
  UCD98779  Dysphania chilensis H. S. Reed 1948-10-21 2025 Sonoma Sonoma Creek, near Kenwood. Comment
  CAS-BOT-BC210143  Echinochloa Peter Rubtzoff 1978-9-10 9264 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  UC1011034  Echinochloa crus-pavonis Virginia Bufford 1935-10-13 84 Sonoma Bellevue Rd at Redwood Highway Comment
  CAS-BOT-BC376432  Elatine Greg de Nevers 1996-5-30 10838 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In the side canyon between Leslie Creek and Dentist's Lake. 400 Comment
  RSA227243  Elatine heterandra Peter Rubtzoff 1964-7-14 5400 Sonoma Bennett Mtn. Lake Comment
  UCD164997  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC274414  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  UCD165782  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC113725  Eleocharis acicularis LeRoy Abrams 1920-7-3 7614 Sonoma Stewarts Point. Comment
  CAS-BOT-BC269290  Eleocharis macrostachya Peter Rubtzoff 1976-5-30 8563 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC112665  Eleocharis parvula Peter Rubtzoff 1969-8-29 6177 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC112195  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Pitkin Marsh, near Forestville: Southern half of Lower Marsh Comment
  SEINET10509410  Elymus divergens Davy 1897-9-18 DAVY 4037 Sonoma Near Petaluma Comment
  UCD61790  Elymus glaucus P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCD62299  Elymus glaucus R. Tofsrud 1941-5-1 52 Sonoma Mc Donald Reservoir. Comment
  CAS-BOT-BC203708  Elymus glaucus subsp. glaucus Milo S. Baker 1945-5-15 10919 Sonoma 4 mi W of Santa Rosa near Wright's School Comment
  CAS-BOT-BC203728  Elymus glaucus subsp. glaucus Milo S. Baker 1945-5-15 10919 Sonoma 4 mi W of Santa Rosa near Wright's School Comment
  UC38176  Elymus glaucus subsp. jepsonii Jos. Burtt Davy 1897-9-18 4037 Sonoma roadside near Petaluma; ; near Petaluma, Sonoma Co. Comment
  UCD160893  Elymus glaucus subsp. virescens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3286 a Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS78827  Elymus multisetus Edward Lee 1936-6-7 2193 Sonoma South ridge Bohemian Grove (fire trail) Comment
  UCD62509  Elymus multisetus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3577 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  UCD84285  Epilobium Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD166203  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  SD38384  Epilobium ciliatum subsp. watsonii Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay. Stabilized dunes. Comment
  UCD158775  Epilobium ciliatum subsp. watsonii James A. Neilson Jr. 1974-7-10 2814 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCR248931  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh 15 Comment
  RSA0015638  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh. Comment
  JEPS38199  Epilobium densiflorum W. L. Jepson 1921-9-8 9431 Sonoma ne Healdsburg (s side of valley); Alexander Valley, Lytton School Comment
  CAS-BOT-BC262800  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC57037  Equisetum arvense Peter Rubtzoff 1954-6-6 1467 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC57038  Equisetum arvense Peter Rubtzoff 1954-8-13 1705 Sonoma Bodega Head Marsh Comment
  RSA784476  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC57814  Equisetum laevigatum Dorothy Scherer 1996-4-8 022 Sonoma Kolmer Gulch, w. of Hwy 1, ca. 100' from ocean, Fort Ross State Historic Park. 0 Comment
  CAS-BOT-BC164076  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  CAS-BOT-BC312697  Eragrostis Peter Rubtzoff 1970-9-2 6357 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC328125  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  RSA796174  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Open, wet banks of Russian River. Comment
  CAS-BOT-BC284192  Eragrostis pectinacea var. pectinacea G. DeNevers 1981-6-26 1660 Sonoma Pippindale Garden, Pepperwood Ranch Comment
  RSA785924  Erechtites glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC164079  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  CAS-BOT-BC131606  Ericameria arborescens Greg de Nevers 1990-10-2 9683 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road, Devils Kitchen 457 Comment
  CAS-BOT-BC131609  Ericameria arborescens Walter Knight; Irja Knight 1963-9-1 133 Sonoma Harold Smith Ranch on Pine Mt. Rd NE of Cloverdale Comment
  CAS-BOT-BC368007  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC293372  Erigeron Greg de Nevers 1996-7-17 10855 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Oak Hill Ranch 487 Comment
  CAS-BOT-BC366902  Erigeron Greg de Nevers 1997-8-17 11078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  UCR255874  Erigeron annuus Greg de Nevers 1994-6-13 10526 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC295124  Erigeron glaucus A. A. Heller; H. E. Brown 1902-5-27 5609 Sonoma Bodega Bay on Sand Hills Comment
  CAS-BOT-BC295127  Erigeron glaucus Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  CAS-BOT-BC295131  Erigeron greenei John Thomas Howell 1936-7-26 12669 Sonoma Between Occidental and Graton Comment
  JEPS116515  Erigeron reductus var. angustatus Peter Warner with R. Raiche, B. Edwards 2009-7-30 108 Sonoma Jenner Headlands, off State Hwy 1 about 1 mi N of Jenner village; E of power lines, W of Jenner Gulch 175 Comment
  CAS-BOT-BC224158  Eriodictyon californicum F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -075 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale from junction with CA hwy 12; ca 0.4 mi N on Cavedale Road from junction 106 Comment
  SEINET12329981  Eriodictyon californicum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -239 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC248812  Eriogonum compositum var. compositum James Jokerst 1985-5-29 2388 Sonoma Near Cobb Mountain 1126 Comment
  JEPS82262  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  CAS-BOT-BC259255  Eriogonum latifolium H. L. Mason 1928-7-10 4885 Sonoma Jenner Comment
  CAS-BOT-BC259257  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma 4 miles north of Bodega Bay Comment
  POM105430  Eriogonum latifolium Marcus E. Jones 1882-7-17 5 M-11-26 Sonoma Duncan's Mills. Comment
  UC412860  Eriogonum latifolium Miss C. M. Hoak 1912-8-8 Sonoma Monte Rio Comment
  CAS-BOT-BC259268  Eriogonum latifolium C. L. Hitchcock; J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  UCR42305  Eriogonum luteolum var. luteolum L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  JEPS56644  Eriogonum nudum var. auriculatum W. L. Jepson 1936-8-20 17964 Sonoma nw, between Macdonald road station and Alder Springs Cloverdale Comment
  CAS-BOT-BC261700  Eriogonum nudum var. nudum Helen D. Geis 1902-8-1 571 Sonoma Skaggs Comment
  CAS-BOT-BC261682  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Near Healdsburg Comment
  SEINET11933974  Eriogonum ternatum Unknown 1985-1 50716 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek, near Layton mine site 372 Comment
  CAS-BOT-BC262390  Eriogonum vimineum G. DeNevers 1981-6-15 1513 Sonoma Pepperwood Ranch. On Franz Valley Road Comment
  CAS-BOT-BC262394  Eriogonum vimineum R. D. Stone 1983-6-13 533 Sonoma In headwaters of Squaw Cr. drainage, ca. 1.2 mi. WNW of Geyser Rock 975 Comment
  CAS-BOT-BC301151  Eriophyllum lanatum var. achilleoides F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch Comment
  JEPS79447  Eriophyllum lanatum var. achilleoides Edward Lee with W. A. Setchell 1936-6-7 2186 Sonoma s ridge Fire Trail Bohemian Grove (Bohemian Grove) Comment
  UC507059  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-20 E 25 Sonoma 3.5 mi from Healdsburg (between Santa Rosa and) Comment
  CDA4966  Eriophyllum lanatum var. achilleoides T. C. Fuller 1960-6-14 4487 Sonoma Italian Swiss Colony, Asti. 0 Comment
  UCD131484  Eriophyllum lanatum var. achilleoides Frederica Bowcutt 1996-5-24 2169 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road W of kiosk. 670 Comment
  CAS-BOT-BC301296  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  CAS-BOT-BC301299  Eriophyllum lanatum var. arachnoideum Peter Rubtzoff 1953-11-1 1446 Sonoma South of Guerneville (Neeley Hill area) Comment
  JEPS34642  Eriophyllum lanatum var. arachnoideum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 250 Sonoma between Gurneville and Monte Rio; Russian River Comment
  UC912251  Eriophyllum lanatum var. arachnoideum Herbert L. Mason 1934-4-28 8096 Sonoma Dohrman Creek Comment
  RSA800162  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  CDA34792  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UCD103021  Erodium botrys Frederica Bowcutt; Kate Mawdsley 1996-3-24 2071 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
  POM259750  Eryngium aristulatum var. aristulatum J. T. Howell 1933-4-1 10927 Sonoma 3 miles northeast of Petaluma Comment
  CAS-BOT-BC383163  Erythranthe grandis David B. Lowry 2005-5-10 CVR Sonoma Along Coleman Valley Road 116 Comment
  CAS-BOT-BC153621  Erythranthe inodora Peter Rubtzoff 1959-6-13 4128 Sonoma Willow Creek Marsh. Bank of Willow Creek Comment
  CAS-BOT-BC403700  Eschscholzia californica Alice Eastwood 1921-5-8 10468 Sonoma Petaluma Comment
  CAS-BOT-BC403704  Eschscholzia californica Walter Knight; Irja Knight 1963-8-13 161 Sonoma Horseshoe Cove Comment
  SEINET3355597 Image available Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Comment
  UC10024  Eschscholzia californica Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC635613  Eschscholzia californica H. L. Mason 1930-6-1 5654 Sonoma Gualala River; mouth Comment
  UCD95316  Eschscholzia californica Cathy Hendel 1974-7-25 172 Sonoma alongside the Kirkwood House, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC403707  Eschscholzia californica W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  UC1010408  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek); Jonive Creek Comment
  UC635627  Euonymus occidentalis var. occidentalis H. L. Mason June 1930 5661 Sonoma mouth of Gualala R. Comment
  UC1299460  Eurybia radulina Freed W. Hoffman 1947-7-30 1409 Sonoma near Guerneville Comment
  SEINET11842305  Euryops pectinatus W. Knight, Knight, I.; Knight, T. 1984-1 5035 Sonoma Petaluma, K-Mart Comment
  CAS-BOT-BC368004  Euthamia occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  CAS-BOT-BC239726  Fabaceae Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC239729  Fabaceae Peter Rubtzoff 1970-7-17 6291 Sonoma 5 miles north of Sears Point 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
  CAS-BOT-BC283184  Festuca californica subsp. californica G. DeNevers 1981-5-23 1293 Sonoma Lower Pepperwood entrance, Pepperwood Ranch Comment
  CAS-BOT-BC283187  Festuca californica subsp. californica G. DeNevers 1981-6-6 1450 Sonoma Franz Valley Road, Pepperwood Ranch Comment
  CAS-BOT-BC283191  Festuca californica subsp. californica K. Wagnon 1939-5-14 196 Sonoma East edge of Wagnon rock quarry, five miles west of Sebastopol Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  JEPS128349  Festuca myuros Roger Raiche 2000-4-8 030 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD66122  Festuca occidentalis P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  JEPS41089  Festuca rubra Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9113 Sonoma between 1 and 1.25 mi due w Napa County line (along the Franz Valley School road) 219 Comment
  UC1023597  Festuca rubra Virginia Bufford 1936-5-19 267 Sonoma 2 to 3 mi from Santa Rosa; Bennett Valley Comment
  UCD66381  Festuca rubra Peter Rubtzoff 1951-6-7 113 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  SEINET11690155  Festuca rubra W. Knight, Knight, I.; Howell, J. T. 1987-1 6276 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC304295  Filago pyramidata John Thomas Howell 1976-4-26 51595 Sonoma E of Geyserville on road to Geysers Comment
  CHSC1546  Fragaria chiloensis A. Small 1964-6-12 Sonoma Doran Park. Comment
  UCD113198  Fragaria chiloensis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 059 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR5850  Fragaria chiloensis Frank C. Vasek 1966-7-16 660716- 02 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  SEINET6923745  Fragaria chiloensis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Southern coast, ca. 1.3 miles north of Salmon Creek. Comment
  UCD113202  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma Coast Route 1, approximately 5 miles south of Jenner. Comment
  UC1085318  Fragaria vesca H. W. Frazier 1949-6-19 Sonoma Mount Veeder Comment
  CAS-BOT-BC457583  Fragaria vesca subsp. californica Peter Rubtzoff 1953-5-17 1372 Sonoma Vacation Beach, near Guerneville Comment
  CDA43437  Frankenia salina Stephanie Larson 2015-7-21 PDR# 49 UP06191161 Sonoma Near Highway 37. 0 Comment
  CAS-BOT-BC218582  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  JEPS44085  Fraxinus latifolia W. L. Jepson 1903-10-4 2364 Sonoma near Guerneville; Bohemian Club Grove Comment
  UCD116299  Fremontodendron californicum Roger Raiche 1984-5-4 RR 40133 Sonoma North of Guerneville, Morrison Ridge above Gilliam Creek. Austin Creek Recreational Area, headwaters of East Austin Creek Recreational Area. 182 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
  UC1084349  Fritillaria affinis G. Thomas Robbins 1937-3-25 4 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  UC429298  Fritillaria affinis J. Burtt Davy 1896-3-16 1682 Sonoma Cazadero Comment
  UC75633  Fritillaria affinis Miss Emma Lobenstin 1906-1 Sonoma Valley Ford Comment
  RSA177995  Fritillaria affinis Robert F. Thorne 1965-4-19 34296 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC130358  Fritillaria liliacea J. W. Congdon 1880-4-3 s.n. Sonoma Petaluma Comment
  JEPS61915  Fritillaria liliacea Eleanor Armstrong 1933-7-10 559 Sonoma Camp Meeker Comment
  CAS-BOT-BC130453  Fritillaria purdyi Milo S. Baker 1927-4-23 2207 a Sonoma Mt. St. Helena Comment
  RSA177962  Fritillaria recurva Robert F. Thorne 1965-4-20 34381 Sonoma Charles Newmans place up Los Alamos Rd, on Rincon Ridge 396 Comment
  UCD121960  Galium Frederica Bowcutt 1996-5-23 2146 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 at toe of Sugarloaf Ridge, just S of campground. 377 Comment
  UCR222567  Galium aparine George K. Helmkamp, E. A. Helmkamp 2010-6-4 16236 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  JEPS52861  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3900 Sonoma 3.8 mi n Occidental Comment
  HSC19831  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma Behind Fountaingrove Vineyard, 3 mi. N of Santa Rosa along Hwy. 101 Comment
  CAS-BOT-BC304343  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd 457 Comment
  JEPS66714  Garrya elliptica Vena Wiley Krager 1922-2-20 Sonoma Bodega Comment
  UC727755  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  UCD66592  Gastridium phleoides Collector Unknown 1941-5-1 Sonoma Trinity Road. Comment
  UCD81373  Gastridium phleoides Frederica Bowcutt 1996-5-19 2127 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  CHSC63908  Gaultheria shallon John Hale 1990-4-10 20 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UCD160843  Genista monspessulana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3375 Sonoma Section 10, One-quarter mile west of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker) 457 Comment
  UC353939  Gentiana sceptrum Milo S. Baker 3045 a Sonoma Pitkin Swamp Comment
  JEPS61474  Geranium carolinianum Milo S. Baker 1898-5-7 635 Sonoma Glen Ellen Comment
  SBBG3920  Geranium carolinianum H. and M. Dearing 1939-5-14 3361 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  SDSU7330  Geranium dissectum D. F. Howe 1963-5-22 3520 Sonoma 14 miles south of Santa Rosa on #12. 122 Comment
  CDA36947  Geranium molle CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC424771  Geranium molle Milo S. Baker 1929-5-3 3602 a Sonoma Coleman Valley Comment
  CAS-BOT-BC366949  Gilia capitata Greg de Nevers 1997-4-16 10946 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS27966  Gilia capitata subsp. capitata Rimo Bacigalupi and L. Heckard 1961-6-9 7741 Sonoma about 3/4 mi nw Occidental School (along Stoetz Lane, about 1/2 mi nw of its junction with Harrison Grade road); nw of Occidental School 228 Comment
  RSA83146  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8596 Sonoma 2.6 miles east of Bodega on Sebastopol-Bodega Bay Road Comment
  RSA583205  Gilia millefoliata Peter G. Connors 1995-7-6 353 Sonoma Bodega Marine Reserv, University of California, Bodega Head near town of Bodega Bay; [elev.] <10 meters. 10 Comment
  NY336870  Gilia pallida A. A. Heller 1902-6-23 5739 Sonoma Petrified Forest Comment
  RSA51328  Gilia tricolor P. H. Raven 1950-4-6 1604 Sonoma Lower slopes of Rincon Ridge, 4 miles from Santa Rosa to Sonoma. 244 Comment
  UC72068  Gilia tricolor subsp. tricolor Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  JEPS128197  Githopsis specularioides Roger Raiche 2000-5-4 075 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD158813  Githopsis specularioides James A. Neilson Jr. 1974-4-16 3578 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC227651  Glyceria Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  RSA786494  Glyceria declinata Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  UCD166088  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  CDA2164  Glyceria declinata Farm Adv. 1969-5-22 Sonoma Mill Station Road, Sebastopol. 0 Comment
  CAS-BOT-BC173801  Glyceria elata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC282730  Glyceria elata Peter Rubtzoff 1960-6-11 4500 Sonoma Laguna de Santa Rosa area east of Graton between Occidental and Guerneville Roads Comment
  UCR25306  Glyceria elata John C. Roos 1955-7-2 6643 Sonoma MIller Ridge. Comment
  SEINET10959322  Glyceria fluitans Adolph D. E. Elmer Elmer 4652 Sonoma Petaluma. Comment
  POM199077  Glyceria leptostachya A. D. E. Elmer 1903-07 4652 Sonoma Petaluma. Comment
  HSC100882  Glyceria leptostachya Peter Warner 2011-8-18 232 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh in channel, ~50 m S of N edge of parcel, below off-site water impoundment. 42 Comment
  CAS-BOT-BC166706  Gnaphalium Peter Rubtzoff; Nancy Harrison 1974-9-7 7883 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  JEPS34012  Gnaphalium palustre Willis L. Jepson 1892-8-7 14749 Sonoma near Cloverdale (valley of the Russian River); Russian River Comment
  UCD148328  Gnaphalium palustre Peter Rubtzoff 1954-7-3 1515 Sonoma Vacation Beach, near Guerneville. Comment
  CDA6005  Gnaphalium purpureum T. C. Fuller 1958-5-24 3985 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC166709  Gnaphalium purpureum Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC251226  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD165129  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC251303  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC305168  Grindelia hirsutula J. T. Howell 1932-11-16 10816 Sonoma 6 mi. from Sonoma on road to Napa Comment
  CAS-BOT-BC305192  Grindelia hirsutula Walter Knight; Irja Knight; Tiffany Knight 1985-7-21 6349 Sonoma Pine Flat Road. Between Jimtown and Geothermal area Comment
  CAS-BOT-BC302252  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, first ravine above Kenwood Springs 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
  CDA34790  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  RSA93426  Helenium bigelovii Milo S. Baker 1939-5-19 9331 Sonoma Perry Marsh near Molino. Comment
  CAS-BOT-BC262949  Helenium puberulum Peter Rubtzoff 1955-7-31 2014 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC262952  Helenium puberulum Peter Rubtzoff 1970-9-3 6373 Sonoma Marsh, off west side of Highway 1, 0.7 miles southeast of Salmon Creek Crossing. Comment
  POM260541  Helenium puberulum Roxana S. Ferris 1937-8-18 9374 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC314738  Helianthella californica var. californica Roger Raiche 1985-4-6 50176 Sonoma West of Healdsbrug, ridge on west side of Dry Creek Valley north of Dorman Canyon to Bradford Mt. area 243 Comment
  CAS-BOT-BC305582  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  UCD158804  Helianthus bolanderi James A. Neilson Jr. 1974-3-27 2942 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD132957  Helminthotheca echioides J. D. Skoss 1948-7-25 43 Sonoma Shellville. Comment
  UCD148377  Helminthotheca echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC262967  Hemizonia Peter Rubtzoff 1956-9-16 2927 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD165108  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  UCR255883  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Hwy 37, opposite Port Sonoma, Lower Ranch 1 Comment
  CAS-BOT-BC257985  Hemizonia Peter Rubtzoff 1962-10-23 5120 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCD166494  Hemizonia Peter Rubtzoff 1964-8-26 5491 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road. 213 Comment
  RSA81582  Hemizonia clevelandii James I. McMurphy 1909-8-9 709 Sonoma 1 mile S of Sonoma. Comment
  CAS-BOT-BC371471  Hemizonia congesta Greg de Nevers 1993-8-7 10483 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near barn 400 Comment
  POM179723  Hemizonia congesta J. T. Howell 1930-6-8 5216 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  UC990601  Hemizonia congesta James I. McMurphy 1909-8-9 711 Sonoma between Sonoma and Petaluma; Sonoma Comment
  RSA159433  Hemizonia congesta James I. McMurphy 1909-8-8 701 Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  CAS-BOT-BC306154  Hemizonia congesta subsp. clevelandii J. McMurphy 1909-7-10 502 Sonoma Hills near Cloverdale Comment
  CAS-BOT-BC306157  Hemizonia congesta subsp. clevelandii James I. McMurphy 1917-9-15 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC306162  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1933-9-3 33352 Sonoma 4 mi. W. Petrified Forest Comment
  SDSU4568  Hemizonia congesta subsp. clevelandii D. F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  CAS-BOT-BC306219  Hemizonia congesta subsp. congesta James McMurphy 1908-9-27 s.n. Sonoma 2 mi. S. of Fulton Comment
  CAS-BOT-BC306216  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 b Sonoma Near Petaluma (6 mi. n.w.) Comment
  UCD132982  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-25 1037 Sonoma approximately 1/4 mile north of Arata Lane and between Hwy 101 and Old Redwood Highway. Comment
  CAS-BOT-BC309723  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 1/2 mi. S. of Jenner Comment
  JEPS86807  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1991-6-4 1172 Sonoma 0.25 mi s of the end of Meyers Grade (found on the w side of Hwy 1) 182 Comment
  UC1069547  Hemizonia congesta subsp. lutescens H. S. Yates 1937-5-30 6553 Sonoma 1 1/2 mi e Occidental; Sebastopol Quadrangle 91 Comment
  CAS-BOT-BC309706  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -D Sonoma About a mile W of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309709  Hemizonia congesta subsp. lutescens James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol 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
  CAS-BOT-BC309946  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  CAS-BOT-BC309949  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1930-9-1 9173 Sonoma North Coast Ranges. Knight's Valley Comment
  CAS-BOT-BC309952  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-5-29 s.n. Sonoma Summit between Geyserville and the Geysers Comment
  JEPS86759  Hemizonia congesta subsp. luzulifolia Jack and Betty Guggolz 1990-9-9 1089 Sonoma in river bed between Cloverdale and Asti crossing; Russian River bed 79 Comment
  OBI16224  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-7-17 9916 Sonoma Sausal crk N of Alexander Valley Comment
  UC990612  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-5-29 Sonoma summit between Geyserville and The Geysers Comment
  CAS-BOT-BC309960  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC309964  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  RSA81666  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-5-29 s.n. Sonoma Summit between Geyserville and The Geysers. Comment
  CAS-BOT-BC310186  Hesperevax sparsiflora var. brevifolia John H. Thomas 1976-6-15 18266 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  LA6482  Hesperocyparis goveniana Milo S. Baker; March 1933 7562 Sonoma near summit of Harrison's Grade near Occidental Comment
  UC1212244  Hesperolinon micranthum Freed W. Hoffman 1947-5-18 773 Sonoma near Camp Meeker; Inner North Coast Ranges, Dutch Bill Creek Comment
  UC1212256  Hesperolinon micranthum Helen K. Sharsmith 1947-5-30 3968 Sonoma Harrison grade 2 mi e Occidental; Inner North Coast Ranges 213 Comment
  POM8864  Hesperolinon spergulinum A. A. Heller 1902-6-24 5751 Sonoma Near Burke s Sanitarium Comment
  UC1212403  Hesperolinon spergulinum Freed Hoffman 1947-5-30 552 Sonoma Layton Mine, headwaters Main Austin Creek Inner North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC149838  Heteromeles arbutifolia Saichi Kawahara 1968-4-20 327 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  CAS-BOT-BC311021  Heterotheca oregona G. DeNevers; S. Castagnoli 1981-8-2 1797 Sonoma Pepperwood Ranch. Along Mark West Creek Comment
  CAS-BOT-BC311221  Heterotheca sessiliflora subsp. echioides Peter Rubtzoff 1975-8-16 8329 Sonoma Annadel State Park. Near trail between Bennett Mtn. Lake and Bennett Ridge Road (south of Bennett Mtn. Lake) Comment
  CAS-BOT-BC420943  Heuchera micrantha var. diversifolia Mary P. Wells 1984-7-20 384 Sonoma Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC420946  Heuchera micrantha var. diversifolia G. DeNevers 1981-4-25 808 Sonoma Pepper wood Ranch. Main Pepperwood entrance, along shaded Creek bank Comment
  UC101609  Heuchera pilosissima Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  UCD102629  Heuchera pilosissima Mary M. Hektner 1975-6-3 205 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC424435  Heuchera pilosissima Catherine Best 1985-5-15 1091 Sonoma Coleman Valley Road about 3 miles W of Occidental Comment
  POM253357  Heuchera pilosissima A. A. Heller 1938-5-14 s.n. Sonoma S end of Bodega Bay Comment
  UCD102628  Heuchera pilosissima Steve Clendenning 1973-5-12 105 Sonoma State Hwy 1, 4 miles east of Bodega Bay. 3 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
  UC16300  Hoita macrostachya Alice King June, 1897 Sonoma Healdsburg Comment
  UCD105868  Hoita macrostachya Frederica Bowcutt 1994-6-24 1903 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 at seasonal creek crossing near trail head. 396 Comment
  CAS-BOT-BC280800  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  HSC83425  Holcus lanatus Chris Bowen 1974-5-19 132 Sonoma Unit 24 Owners' Map, near Pacific Reach, Sea Ranch, near State Hwy. 1 Comment
  HSC89935  Holcus lanatus Delzie Demaree 1955-6-12 36964 Sonoma Bottoms in Westminster Woods. Comment
  POM139965  Holodiscus discolor M. S. Baker 1898-06 607 Sonoma Near Sebastopol. 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
  CAS-BOT-BC315808  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC315811  Holozonia filipes James I. McMurphy 1906-7-21 s.n. Sonoma Fulton Comment
  CAS-BOT-BC289283  Hordeum brachyantherum subsp. brachyantherum Walter Knight; Irja Knight; J. T. Howell 1987-5-22 6271 Sonoma Todd Road Preserve 24 Comment
  UC1587967  Hordeum brachyantherum subsp. brachyantherum M. Barkworth, D. Amme 1989-6-15 5173 Sonoma s end Bodega Head; s end Bodega Head Comment
  SEINET7067246  Hordeum brachyantherum subsp. californicum A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC285008  Hordeum depressum L. R. Abrams 1918-4-27 6923 Sonoma Independence School near Healdsburg Comment
  UCD85813  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3571 Sonoma 7 miles northwest of Santa Rosa, on road to Calistoga. Comment
Read comments
Sep 11 2012
  CHSC8222  Hordeum murinum subsp. glaucum K. Henegar 1969-5-10 46 Sonoma Schooner Gulch, 200 yds s on Highway 1. Found on ocean side of road. Comment
  POM205105  Hordeum murinum subsp. glaucum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  UC1299116  Horkelia tenuiloba Freed W. Hoffman 1950-5-27 3593 Sonoma Fred McMurry Ranch on Healdsburg-Guerneville Hwy North Coast Ranges Comment
  CAS-BOT-BC55497  Hornungia procumbens John Thomas Howell 1934-3-25 11781 Sonoma Cuttings Wharf on Napa River. Comment
  UCSB31800  Hosackia crassifolia Townsend, J. Sonoma East side Russian river about 1 mile south of Gerneyville 457 Comment
  CDA34812  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mile mark, ~2.53 km, E143 deg. S of Forestville, along W side of highway. Comment
  CDA31270  Hypericum concinnum D. G. Kelch, Ed Biffin 2010-5-3 10 .191 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD110355  Hypericum concinnum Frederica Bowcutt 1994-6-24 1884 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 396 Comment
  RSA94321  Hypericum formosum var. scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Western branch of the upper Marsh; in a marshy opening. Comment
  UCR253373  Hypericum perforatum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC316679  Hypochaeris glabra Peter Rubtzoff 1952-5-31 1101 Sonoma Upper Marsh Comment
  CAS-BOT-BC316686  Hypochaeris glabra Greg de Nevers 1987-4-25 8157 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC316676  Hypochaeris glabra Peter Rubtzoff 1965-8-29 5628 Sonoma Russian River bottom at Forest Hills 5.5 miles east of Guerneville Comment
  RSA0009747  Hypochaeris glabra Marcus E. Jones 1931-7-5 29093 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC366946  Ipomoea mutabilis Greg de Nevers 1996-11-10 10893 Sonoma Santa Rosa, Sonoma Avenue 30 Comment
  SEINET7062924  Ipomoea purpurea A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road and near Taddeuci. (WGS84/NAD83). UTM Zone 10, 505989mE, 4250987mN. 262 Comment
  UCR56082  Iris douglasiana Fran Sibel 1965-5-28 328 Sonoma North Coast, along Gualala River off Hwy 1 and east toward Anapolis 152 Comment
  POM168822  Iris douglasiana A. A. Heller, H. E. Brown 1902-3-29 5182 Sonoma Bodega Bay Comment
  UCD138711  Iris douglasiana Marilyn J. Veron 1976-5-2 16 Sonoma 2.1 miles northeast of Bodega Bay on Bay Hill Road. Comment
  RSA79065  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17106 Sonoma About junction of road from Calistoga to Santa Rosa and Mark West Springs in Petrified Forest 76 Comment
  SEINET3271676 Image available Iris macrosiphon Sally Walker 1981-5-26 Sonoma Near summit of Ida Clayton Rd across Mt. St. Helena 914 Comment
  RSA66912  Iris missouriensis E. K. Balls, Lee W. Lenz 1951-5-3 16399 Sonoma Ca. 2 miles north of Highway 12 on road to Petrified Forest Comment
  UCD166138  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. 427 Comment
  UCD166139  Isoetes Peter Rubtzoff 1969-5-24 6058 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  UCD150851  Isoetes nuttallii Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC112410  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112417  Isolepis carinata Peter Rubtzoff; Hans A. Froebe 1971-5-30 6485 Sonoma Dry bed of vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  RSA114299  Isolepis carinata J. T. Howell 1957-6-13 32620 Sonoma Pitkin Marsh. Comment
  SD134068  Isolepis carinata Peter Rubtzoff 1966-4-30 5696 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 mile from Llano Road, low, moist meadow. Comment
  CAS-BOT-BC112575  Isolepis cernua Peter Rubtzoff 1954-7-26 1560 Sonoma Lower Salmon Creek Marsh. Comment
  JEPS25000  Isolepis cernua G. Thomas Robbins 1958-8-11 3925 Sonoma on tidal flat along w shore Bodega Harbor; w shore Bodega Harbor Comment
  RSA298528  Isolepis cernua Robert A. Norris, John L. Inase, Allen Nakagawa, Willie J. Roberts, Michael Kurtz, Nelson R. Powers 1982-8-8 4434 Sonoma Sonoma State Beach, near Goat Rock Picnic Area, across mouth of Russian River from Jenner. Comment
  CAS-BOT-BC340223  Jaumea carnosa Peter Rubtzoff 1973-8-25 7256 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC101969  Juglans hindsii Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 5071 Sonoma 1/10 mile south of Petaluma Ave. on Arnold Drive, El Verano Comment
  UCR250390  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh Comment
  CAS-BOT-BC164386  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-23 6606 Sonoma Sonoma: Laguna, Chileno Valley Comment
  SEINET3814460  Juncus bolanderi Marcus E. Jones 1882-7-17 3523 Sonoma Duncan's Mills Comment
  UCD141372  Juncus bufonius Jennifer Bury; Peggy Herzog 1993-5-8 251 b Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 371 Comment
  UC143806  Juncus bufonius var. congestus A. A. Heller 1902-6-11 5688 Sonoma e of Santa Rosa; Santa Rosa Creek Comment
  UC1026467  Juncus dubius Peter Rubtzoff 1951-7-8 395 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  SEINET3878596  Juncus effusus Kaye H. Thorne 1984-11-22 3667 Sonoma Sea Ranch, Black Point near Lodge.; 0 Comment
  UCR244513  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5904 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  UCR244633  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Upper Salmon Creek Marsh Comment
  SD99413  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest Road, on Sea Ranch property, south of Gualala River. Deep shade on slight slope north toward small stream. 29 Comment
  RSA789175  Juncus laccatus Peter Rubtzoff 1968-7-13 5919 Sonoma Upper Salmon Creek Marsh. Comment
  UCD166334  Juncus laccatus Peter Rubtzoff 1968-7-13 5919 Sonoma upper Salmon Creek Marsh. Comment
  CAS-BOT-BC322119  Juncus lescurii Peter Rubtzoff 1954-8-3 1647 Sonoma Bodega Head Marsh. Comment
  RSA0019005  Juncus lescurii Peter Rubtzoff 1954-8-9 1665 Sonoma Bodega Head Marsh. Comment
  UCD19308  Juncus lescurii Terry Reedy 1974-5-11 207 Sonoma Bodega Head, in freshwater marsh. 6 Comment
  CAS-BOT-BC182748  Juncus occidentalis Peter Rubtzoff 1974-5-18 7413 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road Comment
  RSA368303  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  SEINET3880603  Juncus oxymeris M. L. Conrad, Dunn; LeDoux 1973-6-9 7081 Sonoma 0.6 mile west of Sonoma-Napa County Line on Hwy. 121.; 0 61 Comment
  UC1026490  Juncus patens Peter Rubtzoff 1951-7-21 518 Sonoma s of Upper Marsh (near Forestville); Pitkin Marsh Comment
  CDA39261  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  RSA94015  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  UCD38691  Juncus tenuis Beecher Crampton 1957-5-16 4041 Sonoma 3 miles south of Healdsburg, along US Hwy. 101. Comment
  CAS-BOT-BC320561  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA0023016  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  LA11969  Koeleria macrantha Joseph Andorfer Ewan; 1935-5-13 9246 Sonoma near Wright School on Sebastopol road Comment
  CAS-BOT-BC340661  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UCD151185  Lamarckia aurea James A. Neilson Jr. 1974-4-17 2983 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  CAS-BOT-BC272432  Lamarckia aurea D. E. Breedlove 1976-3-27 39 .455 Sonoma West-facing roadbank along Dry Creek Road ca. 7 miles west of Warm Springs Dam Comment
  UCD165120  Lamium Peter Rubtzoff; Paul But 1974-4-6 7359 Sonoma Along roadside at the border of the Forestville Marsh. Comment
  CAS-BOT-BC337896  Lasthenia J. H. Thomas 1954-6-18 4294 Sonoma Near intersection of Coast Highway and Coleman Valley Road, about 3.5 miles north of town Bodega Bay 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
  JEPS83494  Lasthenia burkei Jack and Betty Guggolz 1985-5-7 832 703 B Sonoma n of Fulton (in the first swale e of the Freeway and s of Shilo Road) Comment
  JEPS86319  Lasthenia burkei Jack and Betty Guggolz 1988-4-17 916 Sonoma about 400 m n Occidental Road (and 200 m w of Fulton Road) Comment
  UCD133642  Lasthenia burkei Peter Rubtzoff 1966-5-7 5716 Sonoma Laguna de Santa rosa east of Graton, between Occidental and Guerneville roads. Comment
  JEPS86318  Lasthenia burkei Jack and Betty Guggolz 1988-5-2 922 Sonoma w side Abramson Lane (about 0.25 mi s of its sharp turn to the w) Comment
  RSA0008548  Lasthenia burkei Peter Rubtzoff 1963-6-6 5165 Sonoma Laguna de Santa Rosa, east of Graton Comment
  RSA784686  Lasthenia burkei Mark Elvin 1997-5-7 396 Sonoma NW Windsor, N-end of Herb Rd off Gumview Rd. 11 Comment
  CAS-BOT-BC385627  Lasthenia californica A. A. Heller; H. E. Brown 1902-4-11 5270 Sonoma Bodega Bay Comment
  CAS-BOT-BC346329  Lasthenia californica John H. Thomas 1976-6-15 18305 Sonoma Southern end of Sea Ranch, NW part of county, about 7 miles south of Gualala Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  UC726335  Lasthenia californica subsp. bakeri A. A. Heller 1938-5-14 15086 Sonoma e Bodega Bay Comment
  UC2061429  Lasthenia californica subsp. californica Rachael L. Olliff Yang 2017-5-3 21 Sonoma Pepperwood Preserve, about 500 m northwest of Three Tree Hill. Comment
  UCD33794  Lasthenia californica subsp. macrantha Beecher Crampton 1973-5-5 8926 Sonoma Sonoma Coast State Park at Carmet. Comment
  JEPS104665  Lasthenia conjugens Sarah Lynch and Geoff Monk 2003-5-1 Sonoma Martinelli Ranch off Stage Gulch Road at Petaluma Road, Petuluma 85 Comment
  RSA177051  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  UCSC000800  Lasthenia minor subsp. minor R. D. Williams 2000-3-31 18 Sonoma Plentiful in moist, sandy soil on the edge of the bluff above the ocean north of Bay Bodega Bay Comment
  CAS-BOT-BC164389  Lathyrus Peter Rubtzoff 1972-5-25 6769 Sonoma Laguna, Chileno Valley Comment
  SEINET12165541  Lathyrus vestitus subsp. bolanderi F. H. Utech 1986-1 86 -119 Sonoma ca 6 mi NE on Cavedale Road 600 Comment
  CDA5656  Lavandula stoechas Gordon Leppig 2000-4-22 1311 Sonoma Fuller Mountain Road. Near summit of Fuller Mountain. 0 Comment
  UCD166126  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC379619  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  JEPS18021  Layia platyglossa George B. Rossbach 1955-3-19 547 Sonoma w rim of Bodega Head 45 Comment
  UC185672  Layia platyglossa Katharine Brandegee 1905-6-1 Sonoma Bodega Comment
  CAS-BOT-BC329304  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  UCD63606  Leersia oryzoides Freed W. Hoffman 1943-10-26 Sonoma Russian River, near Guerneville. Comment
  UCD126394  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. 426 Comment
  CAS-BOT-BC154146  Lemna Peter Rubtzoff 1966-9-10 5820 Sonoma Atascadero Creek Marsh. Comment
  RSA785666  Lemna Peter Rubtzoff 1965-10-10 5653 Sonoma Stony Point Marsh. Comment
  UCD166223  Lemna Peter Rubtzoff 1970-6-21 6273 Sonoma Tributary of Mark West Creek, ca. 3 mi. W of Fulton. Comment
  CAS-BOT-BC210108  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  SEINET8715371 Image available Lemna gibba Leo Koch 1940-1 1011 Sonoma On surface of pond in hills behind Fountaingrove Vineyard three miles north of Santa Rosa along Highway 101. Comment
  UCR255076  Lemna minor Peter Rubtzoff 1958-8-31 3956 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC527277  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC527280  Lemna minuta Peter Rubtzoff 1951-7-8 385 Sonoma Lower part of Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC527284  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville 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-BC339168  Leontodon saxatilis subsp. saxatilis R. E. Frenkel 1964-6-23 612 Sonoma On California Hwy. 1, 2.3 miles south of Stewarts Point 18 Comment
  UCR255725  Lepechinia calycina Greg de Nevers 1996-7-17 10857 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  UCD124767  Lepechinia calycina Frederica Bowcutt 1994-6-25 1923 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  CAS-BOT-BC173653  Lepidium Peter Rubtzoff 1959-6-13 4131 Sonoma Willow Creek Marsh, banks of Willow Creek Comment
  CAS-BOT-BC89740  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  UCSC000315  Lepidium nitidum I. J. Condit 2013-3-7 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC12757  Lepidium oxycarpum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC12758  Lepidium oxycarpum John Thomas Howell 1931-4-1 6039 Sonoma 9 miles southwest of Sonoma on road to San Rafael. Comment
  CAS-BOT-BC12972  Lepidium strictum Catherine Best 1987-3-28 1237 Sonoma Bodega Head. Comment
  UCD115832  Lepidium strictum Daehler; Lu 1993-5-8 250 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. 371 Comment
  CAS-BOT-BC273993  Leptochloa fusca subsp. fascicularis John Thomas Howell 1957-9-26 32978 Sonoma Sandy Russian River bottom near Guerneville Comment
  UCR248863  Leptochloa fusca subsp. uninervia Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC226545  Leptosiphon acicularis Alice Eastwood 1921-4-24 10366 Sonoma Santa Rosa Comment
  RSA6406  Leptosiphon androsaceus Jens Clausen 1933-3-25 733 Sonoma Santa Rosa Creek. 183 Comment
  UCSB5189  Leptosiphon androsaceus Keator, Glenn 1959-4-2 Sonoma 5.5 miles up Cavedale road near its end; 6.6 miles from Agua Caliente Comment
  UCD55069  Leptosiphon jepsonii Ellen Dean; Tammie Beyerl 2006-4-28 3013 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CHSC23090  Leptosiphon parviflorus Robert A. Schlising 1962-3-31 2118 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UCR265096  Leptosiphon parviflorus Ann Howald, Christina Freeman 2015-4-13 3343 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail 362 Comment
  HSC101103  Leptosiphon parviflorus Peter Warner 2011-4-22 237 Sonoma Pepperwood Preserve, Franz Valley Rd., ~9 mi. N of Santa Rosa; on NW slope of 3 Tree Hill, ~350 m W296 deg. N fr. hilltop at gravel parking area 406 Comment
  UCSB5162  Leptosiphon parviflorus Robbins, G. 1937-6-6 Sonoma 2 to 3 miles east of Bodega Bay Comment
  SEINET4437333 Image available Lessingia bicolor A. A. Heller 1902-1 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC324189  Lessingia hololeuca Walter Knight; Irja Knight 1963-9-11 409 Sonoma Chileno Valley Comment
  JEPS20604  Lessingia hololeuca J. Burtt Davy 1897-9-18 4031 Sonoma between San Rafael and Petaluma Comment
  UCD77821  Lessingia nemaclada Robert E. Preston 1998-5-22 1105 Sonoma Myers Ranch, 2 mi NE of Occidental. 182 Comment
  UC912541  Lessingia ramulosa John Thomas Howell 1920-11-14 2250 Sonoma hills se Santa Rosa 83 Comment
  CAS-BOT-BC371402  Ligusticum apiifolium Greg de Nevers 1998-7-25 11302 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 400 Comment
  CAS-BOT-BC436538  Ligusticum apiifolium John Thomas Howell 1930-6-8 5252 Sonoma 1 mile east of Bodega Bay Comment
  POM187316  Ligusticum apiifolium Marcus E. Jones 1931-7-5 29076 Sonoma The Geysers. Comment
  UC32501  Ligusticum apiifolium W. C. Blasdale 1894-6-8 Sonoma Kenwood Comment
  CAS-BOT-BC451704  Lilaea scilloides Greg de Nevers 1992-5-5 10142 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  RSA216145  Lilaea scilloides Peter Rubtzoff 1961-5-24 4605 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC451700  Lilaea scilloides Alice Eastwood 1921-4-24 10362 Sonoma Santa Rosa Comment
  CAS-BOT-BC451707  Lilaea scilloides Peter Rubtzoff 1954-8-13 1719 Sonoma Bodega Head Marsh. Comment
  RSA170218  Lilaea scilloides John Weiler, D. Kaplan 1961-3-27 6163 Sonoma Along State Highway 37, 4.4 miles north of Sears Point Comment
Read comments
Mar 25 2014
  UC1051675  Lilium pardalinum Peter Kamb and Francia Chisaki 1950-6-16 1860 Sonoma nw of Sebastopol (Pitkin Marsh, 1 mi n of Sousa Corners); Pitkin Marsh Comment
  RSA178016  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34274 a Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA262357  Limnanthes douglasii subsp. douglasii Lynn Gould 1962-4-20 57 Sonoma 1 mile east of Sonoma. 24 Comment
  RSA52117  Limnanthes douglasii subsp. douglasii A. A. Heller, H. E. Brown 52117 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  JEPS86750  Limnanthes douglasii subsp. nivea Jack and Betty Guggolz 1990-4-21 1031 Sonoma intersection of Wilfred and Whistler (nw quadrant, a mi w of Hwy 101 and a little less than 3 mi nnw of center of Cotati) 27 Comment
  CAS-BOT-BC45949  Limnanthes vinculans Peter Rubtzoff 1958-5-3 3607 Sonoma Atascadero Creek Marsh Comment
  JEPS100987  Limnanthes vinculans Dean W. Taylor 1994-5-4 14205 Sonoma Santa Rosa Plain; north of Todd Road 0.5 mi W of junction with Llano Road (ca. 5 air mi SW Santa Rosa) 24 Comment
  RSA534571  Limnanthes vinculans Peter Rubtzoff, N. Harrison 1978-5-20 9179 Sonoma Cunningham Marsh Area. Open, very wet ground on north side of Blucher Creek Valley Comment
  UC1042568  Limnanthes vinculans Mrs. A. E. Alexander 1946-4-23 Sonoma between Bodega and Petaluma Comment
  UCD165771  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  JEPS82319  Linanthus acicularis L. R. Heckard with Michael Morris 1976-4-26 4234 Sonoma Gilman Creek Armstrong Redwoods State Park (along s side, near road running nw of Vista Point and Redwood Lake (ca 3/4 mi from these), n of Guerneville) 182 Comment
  UC106674  Linanthus androsaceus Katharine Brandegee 1905-6-25 Sonoma Bodega Bay Comment
  UC106679  Linanthus androsaceus Katharine Brandegee Jun 1905 Sonoma Bodega Heak Bodega Head Comment
  UCR143494  Linanthus latisectus David D. Keck 1931-4-4 1100 Sonoma Santa Rosa Creek Canyon, eastern part of the county 225 Comment
  CAS-BOT-BC36169  Lithocarpus densiflorus var. densiflorus J. W. Congdon 1890-5-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC36011  Lithocarpus densiflorus var. densiflorus Mary Rhyne; Mary P. Wells; John Madison 1985-11-4 701 Sonoma ca. 3/4 mile south of the Gualala River Comment
  CAS-BOT-BC430585  Lithophragma affine G. DeNevers 1981-4-11 697 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC435671  Lithophragma heterophyllum G. DeNevers 1981-3-25 560 Sonoma In a big road cut on Franz Valley Road below Walter Wards house. Comment
  CAS-BOT-BC437153  Lithophragma heterophyllum J. W. Congdon 1883-4-1 19 Sonoma Petaluma Santa Rosa Comment
  UCD167964  Logfia filaginoides James Neilson 1977-6-12 3919 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  UC581113  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma head of Dohrman Creek; Josephs Ranch Comment
  UCD66200  Lolium multiflorum R. Tofsrud 1941-6-1 Sonoma Santa Rosa, Odd Fellows Cemetery. Comment
  SEINET7067344  Lomatium californicum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles east of Windsor on Porter Creek Road. Coordinate datum: NAD27. UTM Zone 10, 526145mE, 4266921mN. Comment
  SD130502  Lomatium californicum F. Almeda, G. DeNevers 1981-4-28 4907 Sonoma Approximately I(c) mile from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Road Comment
  JEPS15810  Lomatium caruifolium var. caruifolium W. L. Jepson 1921-6-2 9297 Sonoma Windsor 51 Comment
  UC1123015  Lomatium dasycarpum subsp. dasycarpum H. S. Yates 1934-4-21 3830 Sonoma 2 mi. n. County Farm; Santa Rosa Quad. Comment
  JEPS86814  Lomatium repostum Jack and Betty Guggolz 1991-5-4 1127 Sonoma <firebrake> on s. side Bradford Mt. (1 mi. w. of Dry Creek Rd.) 341 Comment
  CAS-BOT-BC240644  Lonicera hispidula D. E. Breedlove 1980-6-27 44771 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC240647  Lonicera hispidula A. A. Heller 1902-6-26 5767 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCD137317  Lonicera hispidula Mary M. Hektner 1974-7-8 138 Sonoma along State Highway 1, just north of Whalebone Reach, Unit 24 Owners' Map, Sea Ranch. Comment
  UC912444  Lonicera hispidula var. vacillans Herbert L. Mason 1934-4-28 8080 Sonoma Jensen's Ranch Comment
  SEINET12329796  Lonicera hispidula var. vacillans W. Knight, Knight, I.; Edwards, S. 1986-1 5369 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  POM68030  Lonicera involucrata Marcus E. Jones 1882-7-17 2739 Sonoma Duncan's Mills. 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
  UCD137389  Lonicera involucrata var. ledebourii Terri Williamson 1990-5-20 50 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UCR275253  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rhonert Park, creek bed west of Commerce Blvd. crossing 29 Comment
  CAS-BOT-BC200971  Lotus John H. Thomas 1966-5-8 11595 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC294706  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  POM316662  Lotus angustissimus Patricia Wilder 1965-6-10 3633 Sonoma 1.0 mile N of Jenner on Calif. state Hwy 1. 46 Comment
  POM18310  Lotus benthamii A. A. Heller 1903-4-25 7458 Sonoma Fort Ross Comment
  UC75639  Lotus formosissimus Miss Emma Lobenstein 1906-1-1 Sonoma Valley Ford Comment
  UC729989  Lotus heermannii Leo F. Koch 1940-4-20 804 Sonoma 8.8 mi s Stewarts Point (along Highway 1) 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
  UC1784177  Lotus oblongifolius Milo S. Baker 1928-4-28 3008 b Sonoma Pitkin Marsh Comment
  SEINET8721506 Image available Lotus purshianus Unknown s d 38255 Sonoma Bloomfield 30 Comment
  UCR222351  Lotus scoparius var. scoparius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16233 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  JEPS55883  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hood Peak Comment
  UC353934  Lotus stipularis var. stipularis Milo S. Baker 1928-4-18 2970 a Sonoma near Vine Hill School Comment
  UC424767  Lotus stipularis var. stipularis Milo S. Baker 1929-6-1 3573 a Sonoma near Vine Hill School House Comment
  UC726027  Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma n of Bodega Bay Comment
  UCD65993  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 33 -LU Sonoma Laguna Wildlife Area, Laguna de Santa Rosa at Blucher Creek Confluence. California Dept. of Fish and Game. Downstream of Todd Road bridge, Laguna de Santa Rosa south of Sebastopol, CA. 22 Comment
  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
  RSA800126  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  UCD166501  Ludwigia peploides Peter Rubtzoff 1961-8-24 4711 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  CAS-BOT-BC157963  Ludwigia peploides Peter Rubtzoff 1955-8-28 2110 Sonoma Forestville Marsh Comment
  UCD65949  Ludwigia peploides subsp. peploides B. J. Grewell 2006-9-19 06- 73 -LU Sonoma Spring Lake, Sonoma County Park. Santa Rosa, CA. Shoreline near kayak rental and concession area. 89 Comment
  CDA9766  Ludwigia uruguayensis Erik Hawk 2007-10-1 s.n.-LFCC Sonoma Food control channel E of Stony Point Rd., at Rohnert Park Expressway, Laguna de Santa Rosa. Comment
  UC424853  Lupinus Milo S. Baker 1929-5-7 3452 b Sonoma near Sebastopol; near Sebastopol Comment
  UCR275271  Lupinus Peter Rubtzoff 1974-6-22 7624 Sonoma Todd Road, 1.5 miles from Highway 116 and 0.5 mile from (west of) Llano Road 24 Comment
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  CAS-BOT-BC201291  Lupinus Charles Piper Smith 1947-6-25 47572 Sonoma Highway 1, Stewarts Point, 7.6 miles south Comment
  SEINET10488357  Lupinus affinis Joseph W. Congdon 1880-5-22 Congdon UMO 42423 Sonoma Santa rosa road Comment
  SEINET12164398  Lupinus albifrons F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -104 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC195981  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood Comment
  CAS-BOT-BC196043  Lupinus albifrons var. collinus A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood Comment
  SEINET12165191  Lupinus bicolor F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -178 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 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
  SEINET10737353 Image available Lupinus densiflorus var. lacteus Marcus E. Jones 1882-7-17 Jones 3329 Sonoma Duncan's Mills. Comment
  SEINET12165969  Lupinus formosus W. Knight, Knight, I. 1988-1 6326 Sonoma Adobe Rd, nr teh Old Adobe Comment
  CAS-BOT-BC8358  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley (label reads Anderson Valley; annotation corrects this to Alexander Valley) Comment
  SD125495  Lupinus formosus var. formosus D. B. Dunn, Conrad and Ledoux 1973-6-9 20712 Sonoma 5.3 miles east of the Junction of Highway 101 and Highway 116 on 116. Comment
  SEINET10490797  Lupinus latifolius subsp. latifolius Charles Piper Smith 1948-4-27 Smith 48169 Sonoma Jct melitta - mark west - petrified forest rds. Petrified forest, 2.5 mi. E. Comment
  UC130321  Lupinus latifolius var. latifolius Miss Alice King Apr. 1897 Sonoma Healdsburg Comment
  UC82239  Lupinus microcarpus var. microcarpus Alice Eastwood Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  JEPS65363  Lupinus nanus W. L. Jepson 1914-4-11 5801 Sonoma Sonoma Valley 35 Comment
  UCD108973  Lupinus nanus Mary M. Hektner 1975-4-27 185 Sonoma next to parking lot; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  HSC34879  Lupinus nanus subsp. latifolius Thomas W. Nelson, James Nelson 1975-3-25 1754 Sonoma Beside Hwy. 128 E of Geyserville Comment
  JEPS78238  Lupinus sericatus Charley Patterson 1979-6-22 Sonoma Socrates Mine Rd. (Whispering Pines Quad.) lower left corner of quad. on bend in road just nw 3066 BM (ca 3 air mi sw of Whispering Pines); Whispering Pines Quad, Lake-Sonoma County Line Comment
  UCR255029  Lupinus sericatus Greg de Nevers 1996-4-19 10794 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  SEINET10973357 Image available Lupinus sonomensis A. Arthur Heller 1940-5-17 Heller 15638 Sonoma Stiff clay on a grassy slope, 2 mi E of Shellville along the roadside. Upper Sonoran Life Zone, but no trees present here. Comment
  RSA177939  Luzula comosa Robert F. Thorne 1965-4-20 34337 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  RSA52692  Luzula comosa I. L. Wiggins 1949-4-30 12063 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC441294  Luzula macrantha D. E. Breedlove 1983-4-11 58685 Sonoma Pepperwood Ranch, W of Knights Valley Comment
  CAS-BOT-BC441297  Luzula macrantha J. W. Congdon 1870-5-21 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC441403  Luzula macrantha L. R. Abrams 1918-4-27 6904 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC441394  Luzula subsessilis Mrs. H. C. Cantelow 1939-4-10 s.n. Sonoma About 1.6 miles S of Russian River Bridge Comment
  RSA0015985  Lythrum hyssopifolia Edward Palmer 1892-6-27 2399 Sonoma Petaluma. Comment
  RSA0015993  Lythrum hyssopifolia Peter Rubtzoff 1958-7-20 3784 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  RSA0015995  Lythrum hyssopifolia Peter Rubtzoff 1956-9-15 2904 Sonoma Atascadero Creek Marsh. Comment
  RSA0015998  Lythrum hyssopifolia J. T. Howell 1930-6-8 5233 Sonoma 4 miles east of Valley Ford. Comment
  RSA785884  Madia Peter Rubtzoff, Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC344030  Madia elegans J. Clausen 1935-5-24 1081 Sonoma 2 mi. W. of Monte Rio on the road to Jenner Comment
  CAS-BOT-BC344037  Madia elegans Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CHSC107497  Madia elegans D. G. Kelch; Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UCR218637  Madia elegans George K. Helmkamp, E. A. Helmkamp 2010-6-4 16229 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC344034  Madia elegans James I. McMurphy 1909-5-29 s.n. Sonoma Mountains near The Geysers Comment
  JEPS128215  Madia exigua Roger Raiche 2000-5-4 061 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR25294  Madia exigua John C. Roos 1957-7-2 6649 Sonoma Miller Ridge Comment
  CAS-BOT-BC166723  Madia gracilis Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC343453  Madia gracilis John Thomas Howell 1937-7-4 13066 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343448  Madia gracilis John H. Thomas 1966-5-8 11601 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa Comment
  CDA8260  Madia madioides G. D. Barbe 1982-5-27 3620 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  CAS-BOT-BC166726  Madia sativa Peter Rubtzoff 1962-10-23 5124 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC345206  Madia sativa John Thomas Howell 1930-6-8 5220 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC345209  Madia sativa A. A. Heller 1902-6-10 5683 Sonoma Santa Rosa Comment
  CAS-BOT-BC345223  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  RSA790981  Madia sativa Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC345256  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  CAS-BOT-BC345259  Madia sativa David D. Keck 1933-11-6 2653 Sonoma 6.5 mi. N. of Jenner Comment
  UCD165237  Madia sativa Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD139126  Maianthemum stellatum M. Wiesendanger 1927-5-5 725 Sonoma Kenwood Springs. Comment
  RSA177926  Maianthemum stellatum Robert F. Thorne 1965-4-20 34377 Sonoma Charles Newman s place up Los Alamos Rd, on Rincon Ridge 396 Comment
  RSA94349  Malus sylvestris Peter Rubtzoff 1951-11-24 851 Sonoma Pitkin Marsh, near Forestville. Dry, open area separating the western branch of the upper marsh from the eastern. Comment
  RSA128555  Marah oregana P. H. Raven 1950-4-6 1601 Sonoma Lower slopes of Rincon Ridge. Comment
  RSA264722  Matricaria matricarioides Peter Rubtzoff 1972-5-25 6773 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC422698  Meconella californica M. S. Baker 1926-4-14 181 a-Son. Ser. Sonoma Unspecified Comment
  CAS-BOT-BC268111  Medicago Peter Rubtzoff 1973-8-21 7247 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC269509  Melica californica David L. Morgan 1956-4-27 s.n. Sonoma 3 mi. W. of Petaluma on I St. Ext. Comment
  UCD87218  Melica californica R. Tofsrud 1947-7-1 174 Sonoma Santa Rosa, old cemetery. Comment
  UCD86429  Melica californica Frederica Bowcutt 1996-5-24 2155 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 381 Comment
  CAS-BOT-BC281275  Melica geyeri G. DeNevers 1981-5-5 950 Sonoma Pepperwood Ranch. On the trail to the Studio Comment
  CAS-BOT-BC281285  Melica geyeri Catherine Best 1981-5-2 s.n. Sonoma Bohemian Highway 3.5 miles N of Occidental Comment
  UCD87346  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  UC1132272  Melica harfordii H. S. Yates 1936-5-16 5612 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  UCD87379  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Sonoma County, 2.5 miles north of Guerneville. Comment
  UCD87521  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  CAS-BOT-BC262556  Melica torreyana Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 miles north of Occidental Comment
  CHSC33997  Melica torreyana J. D. Prouty 1980-4-12 859 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi W of junction with Petrified Forest Road. 256 Comment
  SEINET191212 Image available Melica torreyana A. A. Beetle 1941-4-27 1726 Sonoma North side of Mt St Helena; rocky slope above St Helena Creek Comment
  UC618995  Melica torreyana H. S. Yates 1935-5-16 5616 Sonoma 3 mi nw Camp Meeker; Seabastopol Quad. 60 Comment
  CAS-BOT-BC262559  Melica torreyana Peter H. Raven 1950-4-23 1889 Sonoma Sobre Vista 152 Comment
  UCR279644  Melilotus albus Peter Rubtzoff 1953-11-1 1432 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  CAS-BOT-BC262960  Melilotus indicus Peter Rubtzoff 1958-8-17 3893 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  HSC15018  Melilotus indicus S. N. Wiemeyer 1962-4-20 30 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC164086  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164089  Mentha Peter Rubtzoff 1960-9-17 4571 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  RSA788368  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guereville Road). Comment
  POM62998  Mentha X piperita A. A. Heller 1902-7-1 s.n. Sonoma Lagoon at Sebastopol Comment
  POM62727  Mentha pulegium Geo R. Hall 1906-10-14 s.n. Sonoma Guerneville Comment
  UCD148373  Mentha pulegium Peter Rubtzoff 1955-10-12 2165 Sonoma Duncans Mills Marsh, lower portion of marsh. Comment
  UCD148454  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  UC727708  Mentha spicata Milo S. Baker 1946-8-17 11567 Sonoma hiwy between Sebastopol and Cunningham Comment
  CAS-BOT-BC164668  Mentha spicata Peter Rubtzoff 1955-8-28 2112 Sonoma Forestville Marsh. Comment
  UCD148320  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville 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
  CAS-BOT-BC428950  Micranthes californica Peter H. Raven 1954-2-27 6426 Sonoma Hooker Creek, Hoods Peak Range 228 Comment
  CAS-BOT-BC428954  Micranthes californica G. DeNevers 1981-3-14 547 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. In the 1st E fork of the N fork Comment
  UCD134481  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma. 76 Comment
  CAS-BOT-BC348731  Microseris bigelovii Alice Eastwood 1915-6-29 4869 Sonoma Bodega Point Comment
  UC50059  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-5 Sonoma Comment
  JEPS36204  Microseris paludosa W. L. Jepson 1921-6-2 9300 Sonoma flats just e Calhoun Ranch (nw of Windsor) Comment
  UCD118900  Microsteris gracilis Botany 102 Students 1993-4-24 92 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  CAS-BOT-BC311861  Mimulus Peter Rubtzoff 1972-5-25 6753 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC311875  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320515  Mimulus Peter Rubtzoff 1962-6-19 4918 Sonoma Occidental Marsh. Comment
  UCR222566  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16235 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  CDA11329  Mimulus congdonii G. F. Hrusa 1995-4-2 12039 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  RSA535770  Mimulus congdonii David M. Thompson 1989-4-4 994 Sonoma Ca. 3 air mi 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
  UCR275257  Mimulus guttatus Peter Rubtzoff 1959-6-20 4171 Sonoma Willow Creek Marsh 9 Comment
  RSA0022511  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  RSA0022512  Mimulus guttatus Peter Rubtzoff 1964-5-20 5321 Sonoma Bodega Bay Marsh. Comment
  UC103685  Mimulus nasutus unknown May 1891 Sonoma Cloverdale Comment
  POM43556  Mimulus pilosus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UCSC000249  Minuartia californica I. J. Condit 2013-3-7 s.n. Sonoma Petaluma Comment
  UCD125197  Monardella purpurea Walter Knight; Irja Knight, Roger Raiche, Steve Edwards Date Unknown 4756 Sonoma The Cedars; near Cazadero on Twitchell Ranch. Comment
  UCD125297  Monardella villosa Mary M. Hektner; Cathy Hendel 1974-6-28 84 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CHSC67999  Monardella villosa subsp. franciscana Jack Guggolz 1991-6-19 1194 Sonoma About 1/8 mile from the ocean and 1/2 mile south of the intersection of the Meyers Grade and Hwy 1. 182 Comment
  CAS-BOT-BC314160  Monardella villosa subsp. subserrata Lewis S. Rose 1965-7-3 65081 Sonoma 2 mi. N of Sonoma. 274 Comment
  CHSC67998  Monardella villosa subsp. villosa Jack Guggolz; Betty Guggolz 1991-6-10 1181 Sonoma 3.0 miles east of northern Santa Rosa. On the south side of Buzzard Peak. 323 Comment
  UC1784120  Monardella viridis Ethel Crum 1930-7-13 816 Sonoma Mt. St. Helena, S shoulder Comment
  CAS-BOT-BC444993  Montia fontana G. DeNevers 1981-4-23 791 Sonoma Pepperwood Ranch. Pippindale farm. Pool at Pippindale-Pepperwood Gate. Comment
  POM203651  Montia stenophylla J. T. Howell 1933-4-1 10926 Sonoma Petaluma Comment
  RSA123590  Muilla maritima Leo Koch 1938-3-23 63 Sonoma Roadside near Shiloh cemetery, near Windsor. Comment
  UC572663  Myosotis discolor G. Thomas Robbins 1937-5-23 198 Sonoma Pitkin Marsh Vine Hill Region, Pitkin Marsh Comment
  RSA800352  Myosurus Peter Rubtzoff 1966-4-17 5672 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC83247  Myosurus minimus J. W. Congdon 1880-4-22 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC101798  Myrica californica John H. Thomas 1976-6-16 18299 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC1011108  Myrica californica Milo S. Baker 1941-8-4 8594 Sonoma Richardson's Ranch near cross hwy. to Healdsburg (e. of Stewart's Point) 243 Comment
  CAS-BOT-BC376236  Myriophyllum hippuroides Greg de Nevers 1996-10-18 10887 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  CAS-BOT-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-BC258916  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC456198  Najas guadalupensis Greg de Nevers 1991-8-8 9768 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In largest Double Pond. 475 Comment
  RSA216139  Najas guadalupensis Peter Rubtzoff 1955-7-30 1996 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC260073  Nassella lepida G. DeNevers 1981-5-30 1403 Sonoma Pepperwood Ranch. E slope of Horse Hill Comment
  CAS-BOT-BC260283  Nassella pulchra G. DeNevers 1981-5-5 952 Sonoma Pepperwood Ranch. Along the road by Pippindale Garden Comment
  UCD87462  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg. Comment
  UCD87654  Nassella pulchra Gerry North 1993-4 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. At picnic site across from parking lot east of kiosk. 381 Comment
  UCD87690  Nassella pulchra M. Wiesendanger 1927-5-5 714 Sonoma Sonoma. Comment
  UCD116102  Nasturtium officinale Terri Williamson 1990-5-20 65 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  HSC100966  Navarretia intertexta subsp. intertexta Peter Warner, Sarah Gordon 2011-5-27 205 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 159 Comment
  CAS-BOT-BC230379  Navarretia leucocephala subsp. bakeri James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  UCD84273  Navarretia leucocephala subsp. bakeri Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC230376  Navarretia leucocephala subsp. bakeri Niall McCarten 1986-5-28 5260 Sonoma NE end of Shiloh Ranch, 0.25 mile S of N end of Leslie Road on E side of road Comment
  JEPS104972  Navarretia mellita Dean W. Taylor 1998-6-22 16681 Sonoma Geysers area, ca. 0.3 miles east along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Cr.) 792 Comment
  CAS-BOT-BC233579  Navarretia prostrata Peter Rubtzoff; H. A. Froebe 1971-5-30 6491 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  UC908513  Navarretia pubescens Herbert L. Mason 1940-5-21 12294 Sonoma head of Mayacama Creek Knights Valley, Mayacama Creek Comment
  UC1784136  Navarretia squarrosa Ethel Crum 1930-1 738 Sonoma Petaluma Comment
  UC909750  Navarretia squarrosa Milo S. Baker 1950-7-25 12310 Sonoma near mouth of Adobe Canyon (in yard of Mrs. Silva); Sonoma Canyon 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
  UC23886  Navarretia viscidula Harley P. Chandler 1900-5-25 673 Sonoma Bodega Comment
  UCD160847  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 b Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 716 Comment
  POM118672  Nemophila heterophylla Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC107230  Nemophila heterophylla Mrs. Swett Apr. 1901 Sonoma Windsor Comment
  RSA75812  Nemophila heterophylla Lincoln Constance 1938-4-24 2151 Sonoma On Salmon Creek, 2 miles northeast of Bodega. 91 Comment
  UC726893  Nemophila heterophylla A. A. Heller 1940-5-10 15606 Sonoma several mi e Gualala River (on the Stewart Point--Skagg's Springs Road); e of Gualala River, Stewart Point--Skagg's Springs Road Comment
  UC107228  Nemophila menziesii Alice Eastwood Apr 1901 Sonoma Bodega Comment
  UC972194  Nemophila menziesii Milo S. Baker 1952-3-20 12392 Sonoma Western outskirts of Sonoma 5th St. near Bettencourt; western outskirts of Sonoma Comment
  UC24263  Nemophila menziesii var. atomaria Milo S. Baker 1902-3-31 Sonoma Kenwood Comment
  UC32589  Nepeta cataria V. K. Chesnut Sonoma Petaluma Comment
  CAS-BOT-BC164379  Nicotiana Peter Rubtzoff 1974-8-3 7792 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River Comment
  RSA0034040  Nicotiana Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  JEPS13900  Nicotiana acuminata var. multiflora W. L. Jepson 1914-9-19 6191 Sonoma Agua Caliente; Sonoma Valley 25 Comment
  SEINET12327553  Nicotiana acuminata var. multiflora W. Knight, Knight, I.; Edwards, S. W. 1984-1 5043 Sonoma along Willow Creek near Stony Point Rd, between Corona Rd & Old Redwood Hwy 6 Comment
  UC161225  Nuphar lutea subsp. polysepala V. King Chesnut Jul 1 1887-Aug 1 1887 Sonoma Santa Rosa Comment
  CAS-BOT-BC400119  Nuphar polysepala Peter Rubtzoff 1951-6-9 188 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC140452  Oemleria cerasiformis A. A. Heller; H. E. Brown 1902-3-12 5043 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  JEPS76925  Oemleria cerasiformis Robert M. Lloyd 1963-2-24 2054 Sonoma 4 mi s State Highway 12 (on State Highway 1) 15 Comment
  JEPS77874  Oenanthe sarmentosa Robert M. Lloyd 1965-5-8 3637 Sonoma e. of Cunningham s.e. of Sebastopol (ca. 4 mi. n. of Rte. 116, Llano Rd., upper portion of Laguna de Santa Rosa Marsh); Laguna de Santa Rosa Marsh Comment
  UC1365621  Oenanthe sarmentosa Peter Rubtzoff 1954-6-20 1509 Sonoma Guerneville Marsh Comment
  UCD127753  Oenanthe sarmentosa Terri Williamson 1990-5-20 47 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  CAS-BOT-BC251248  Oenothera Peter Rubtzoff 1971-5-8 6441 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  SD38672  Oenothera elata subsp. hookeri Edith A. Purer 1932-7-21 4045 Sonoma Bodega Bay Comment
  CAS-BOT-BC238410  Orthocarpus Charles Piper Smith 1948-6-4 48340 b Sonoma Local road - Sebastopol, 1.5 miles west Comment
  POM15637  Orthocarpus attenuatus A. A. Heller, H. E. Brown 1902-4-16 5312 Sonoma Fields east of Santa Rosa Comment
  RSA523831  Orthocarpus densiflorus Gordon H. True Jr. 1938-4-13 860 Sonoma Between Sonoma and Black Point. Comment
  NY90845  Orthocarpus faucibarbatus var. albidus D. D. Keck 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth. Comment
  UC875255  Osmorhiza berteroi Lewis S. Rose 1940-5-6 40263 Sonoma Sonoma Creek Canyon 213 Comment
  UC730035  Oxalis Leo F. Koch 1940-4-18 792 Sonoma 5 mi from Gravenstein Hwy (via Cherry Ridge Rd, in severa; orchards) Comment
  UCD110782  Oxalis corniculata Collector unknown Date unknown s.n. Sonoma Sonoma County. Comment
  UC964740  Packera Herbert Mason 1934-4-28 8060 Sonoma Dohrman Creek Jensen's Ranch (head) Comment
  UCD151090  Packera eurycephala James A. Neilson Jr. 1974-6-1 2773 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 mi. west of Whispering Pines and state highway 175, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  RSA784570  Panicum Peter Rubtzoff 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UCD166341  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  SEINET10849964  Panicum P. Rubtzoff 1968-9-21 Rubtzoff 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1146583  Panicum acuminatum var. acuminatum Freed W. Hoffman 1943-6-13 2040 Sonoma around hot springs, The Geysers (The Geysers); North Coast Ranges, The Geysers Comment
  UC1102638  Panicum acuminatum var. acuminatum P. Zinke 120 Sonoma 16 mi e Cloverdale (at the Big Geysers); Quad. 60A3, Big Geysers, e of Cloverdale 487 Comment
  UCD32824  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 b Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Comment
  UC39250  Panicum miliaceum subsp. miliaceum E. M. Smith 1898-8-9 Sonoma Kenwood Comment
Read comments
Mar 30 2009
  SEINET3144584  Panicum thermale H. N. Bolander 1860-1-1 3941 Sonoma Gysers [?] Comment
  JEPS86295  Parentucellia latifolia Jack and Betty Guggolz 1989-5-5 1012 Sonoma Comment
  CHSC59824  Parentucellia viscosa Herb McLane 1980-4-21 5 Sonoma W of U. S. 101 and n 20 ft of Healsburg Ave. Comment
  CAS-BOT-BC156324  Paspalum Peter Rubtzoff 1978-8-12 9256 Sonoma Russian River at Del Rio Beach, ca 2.5 mi. E of Healdsburg on So. Fitch Mtn. Road. Comment
  CAS-BOT-BC259689  Paspalum dilatatum John Thomas Howell 1946-8-17 22860 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC265698  Paspalum distichum G. DeNevers 1981-6-20 1618 Sonoma Along Mark West Creek, Pepperwood Ranch Comment
  HSC100871  Paspalum distichum Peter Warner 2011-8-18 233 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh, in channel, ~50 m S of N edge of parcel. 42 Comment
  UCD88927  Paspalum distichum David L. Morgan 1955-12-2 s.n. Sonoma Lawn, Sonoma State Home, Eldridge. Comment
  CAS-BOT-BC366898  Passiflora citrina Greg de Nevers 1997-12-10 11109 Sonoma Fulton Comment
  UC1071574  Paxistima myrsinites E. Armstrong 1934-3-26 905 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. 182 Comment
  CAS-BOT-BC371443  Pectocarya pusilla Greg de Nevers 1998-4-26 11195 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Silva's property, Devils Kitchen, in Section 6 400 Comment
  SD88564  Pedicularis densiflora Darley F. Howe 1972-2-20 Sonoma Trinity Road, Mt. Hood Range Comment
  UCD165877  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  UC672463  Penstemon heterophyllus H. L. Mason 1934-4-28 8071 Sonoma Jensen's Ranch head of Dohrman Creek, Jensen's Ranch Comment
  UCD160868  Penstemon heterophyllus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3292 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
  NY601731  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640.1 Comment
  JEPS52288  Penstemon heterophyllus var. purdyi Walter Knight and Wayne Roderick 1966-5-26 Sonoma Mark West Springs Comment
  UC27595  Penstemon heterophyllus var. purdyi State Survey 1890-1 6540 Sonoma Russian River bed at Cloverdale; Russian River bed at Cloverdale Comment
  CAS-BOT-BC245716  Penstemon newberryi var. sonomensis Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  NY627433  Penstemon newberryi var. sonomensis A. A. Heller 1902-5-29 5626 Sonoma Mt. Hood Comment
  CAS-BOT-BC71727  Pentagramma triangularis subsp. triangularis Walter Knight; Irja Knight 1963-12-27 457 Sonoma Pine Flat Rd. Comment
  CAS-BOT-BC71728  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma Fence row between Knight's Valley and Franz Valley Comment
  CAS-BOT-BC71731  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-9 1181 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  JEPS86310  Perideridia gairdneri subsp. gairdneri Vicki Wilson 1988-8-21 986 Sonoma Comment
  JEPS120461  Perideridia gairdneri subsp. gairdneri Daniel Slakey 2013-8-11 63 Sonoma Salt Point State Park, along the Salt Point trail, about 0.4 mile north of Salt Point, along the coast. Comment
  RSA94300  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1951-9-15 752 Sonoma Pitkin Marsh, near Forestville, western branch of the upper marsh Comment
  HSC100975  Perideridia kelloggii Peter Warner 2011-8-10 226 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  CAS-BOT-BC413663  Persicaria amphibia Peter Rubtzoff 1960-5-29 4425 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC413645  Persicaria amphibia Peter Rubtzoff 1966-8-26 5811 Sonoma Atascadero Creek Marsh Comment
  UCD165109  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC413741  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC419265  Persicaria maculosa Peter Rubtzoff 1951-9-15 759 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC419271  Persicaria maculosa Peter Rubtzoff 1965-8-29 5630 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC258013  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC419290  Persicaria pensylvanica John Thomas Howell 1932-9-18 10778 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC419426  Persicaria punctata Peter Rubtzoff 1958-8-31 3949 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419429  Persicaria punctata Peter Rubtzoff 1955-9-24 2156 Sonoma Guerneville Marsh Comment
  UCD98401  Petrorhagia nanteuilii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 67 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  HSC101107  Phacelia bolanderi Peter Warner, Sarah Gordon 2011-6-15 213 Sonoma Russian Gulch, Sonoma Coast State Beach. ~ 3 miles N of Jenner; on W creek bank, ~ 130 m N of Hwy. 1 bridge 7 Comment
  RSA26566  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  UC1602000  Phacelia californica H. S. Yates 1934-4-21 3781 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UC753396  Phacelia californica Florence Signaigo and Thomas Morley 1946-5-19 129 Sonoma Vine Hill School rd 5-6 mi n Sebastopol 30 Comment
Read comments
Dec 30 2011
  UC73702  Phacelia ciliata var. ciliata Milo S. Baker 1898-4-7 15 Sonoma Gualala River Comment
  JEPS2394  Phacelia distans Milo S. Baker 1898-4-23 Sonoma Santa Rosa Cr. Canyon Comment
  UC126049  Phacelia distans Katharine Brandegee July 1905 Sonoma Bodega Head Comment
  RSA32660  Phacelia distans Doris K. Kildale 1928-4-1 4398 Sonoma Cloverdale Grade Comment
  SBBG32318  Phacelia distans L. S. Rose 1964-4-4 65021 Sonoma 1 mi N of Sonoma 60 Comment
  UC923116  Phacelia egena Freed W. Hoffman 1950-5-24 3322 Sonoma East Austin Creek North Coast Ranges, Rocky Mountain Comment
  RSA170287  Phacelia imbricata subsp. imbricata W. L. Jepson 1911-4-30 4185 Sonoma Sonoma Valley Comment
  RSA201447  Phacelia imbricata subsp. imbricata J. T. Howell 1929-6-9 4302 Sonoma Two miles north of Sonoma. Comment
  UCR248890  Phalaris aquatica Peter Rubtzoff, Nancy Harrison, Ruth Hass, Chas F. Quibell 1974-8-31 7839 Sonoma Kenwood Marsh 120 Comment
  RSA227232  Phalaris arundinacea Peter Rubtzoff 1962-5-25 4832 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  CAS-BOT-BC259020  Phalaris californica Peter Rubtzoff 1962-6-1 4859 Sonoma Freestone Marsh Comment
  CAS-BOT-BC259024  Phalaris californica Peter Rubtzoff 1962-5-11 4828 Sonoma Freestone Marsh Comment
  CAS-BOT-BC265916  Phalaris lemmonii Alice Eastwood; John Thomas Howell 1936-5-19 2507 Sonoma 2 miles N of Windsor Comment
  UC50459  Phalaris paradoxa Mr. Leckenby June 1896 Sonoma Petaluma Comment
  UC573901  Phalaris paradoxa H. S. Yates 1937-6-5 6572 Sonoma 5 mi w Sonoma; Sonoma Quad. Comment
  RSA129159  Phalaris paradoxa H. S. Yates 1937-6-5 6572 Sonoma 5 mi W. of Sonoma 91 Comment
  UC1146587  Phleum alpinum Freed W. Hoffman 1943-6-6 2098 Sonoma Sonoma Coast Wright's Beach (cliffs at Wright's Beach); North Coast Ranges, , Wright's Beach Comment
  SEINET12330326  Phlox speciosa Unknown 1985-1 50169 Sonoma W of Healdburg, Dry Crk area, ridge W side of Dry Creek Valley, N of Dorman Canyon on Bradford Mt 244 Comment
  CDA22385  Phoradendron macrophyllum C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma W. P. Tischer property, 1270 Gravenstein Highway North, ca. 1 mile north of Sebastopol. 0 Comment
  UCR255658  Physalis Greg de Nevers 1997-11-1 11105 Sonoma Santa Rosa, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC376239  Physalis philadelphica Greg de Nevers 1992-10-15 10251 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 304 Comment
  CAS-BOT-BC140615  Physocarpus capitatus Lester Rowntree 1932-6-11 s.n. Sonoma Bodega Comment
  UC555512  Physocarpus capitatus H. L. Mason Jun 1930 5642 Sonoma Gualala River, mouth Comment
  CAS-BOT-BC202279  Pickeringia montana var. montana James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC202286  Pickeringia montana var. montana Severin A. Baumann 1953-7-4 14 Sonoma Along edge of road connecting Oakville and Boyes Springs, ca. 5 mi. from Boyes Springs 304 Comment
  RSA796378  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  RSA796379  Picris echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncan Mills Marsh Comment
  CDA18781  Pinus attenuata G. F. Hrusa, R. Gross 2000-2-6 s.n. Sonoma North Coast Ranges; Mt. St. Helena, 1/4 mile N of Ida Clayton Rd Summit. 0 Comment
  UC1134141  Pinus attenuata J. B. Spring 1932-7-3 95 Sonoma 2/5 mi sw Veeder Mountain; Napa Quadrangle 609 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-BC72880  Pinus muricata Mary P. Wells 1983-8-3 177 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  POM316057  Pinus muricata Patricia Wilder 1965-6-10 3652 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  SEINET7342797 Image available Pinus muricata Unknown 1974-1 6433 Sonoma Sea Pines State Park. Ca. 1 on sandy coastal bluffs. Comment
  CAS-BOT-BC72885  Pinus ponderosa James McMurphy 1908-10-3 s.n. Sonoma Smith Creek Comment
  SEINET10795154 Image available Pinus sabiniana Henry N. Bolander 1864-8-27 Bolander s.n. Sonoma Sonoma Comment
  UCSC008352  Piperia elegans subsp. elegans Randall Morgan 1989-1-1 1319 -P, 1320-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  JEPS128340  Piperia transversa Roger Raiche 2010-7-10 032 .10 Sonoma The Cedars. Processing Area. Lower Russian River, Big Austin Creek watershed. Comment
  UC1044488  Pityopus californicus Mary L. Bowerman 1954-6-27 4334 Sonoma old mill site ca 3 mi e Fort Ross Comment
  RSA788369  Plagiobothrys Peter Rubtzoff 1971-6-5 6525 Sonoma W side of Hwy 1, 0.7 mi SE of Salmon Creek Crossing. Comment
  UCD166130  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC155000  Plagiobothrys Peter Rubtzoff 1970-5-30 6237 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166952  Plagiobothrys Peter Rubtzoff 1969-6-15 6090 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176149  Plagiobothrys Peter Rubtzoff 1971-7-23 6611 Sonoma Laguna, Chileno Valley. Comment
  UCD150129  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  CDA11324  Plagiobothrys nothofulvus G. F. Hrusa, R. Gross 1995-4-1 12033 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd. Knights Valley. Comment
  UC881350  Plagiobothrys stipitatus Alice Eastwood 1921-4-24 10261 Sonoma Santa Rosa Comment
  SD130533  Plantago erecta F. Almeda, G. DeNevers 1981-3-30 4880 Sonoma Vicinity of the Bechtel Cabin. Comment
  UCD160860  Plantago lanceolata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3289 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  RSA94256  Plantago lanceolata Peter Rubtzoff 1951-7-14 440 Sonoma Pitkin Marsh near Forestville, Lower part of the upper marsh. Comment
  CAS-BOT-BC258383  Plantago subnuda Peter Rubtzoff 1960-6-9 4489 Sonoma Laguna de Santa Rosa area northeast of Graton, near Laguna Road. Comment
  RSA94009  Platanthera leucostachys Peter Rubtzoff 1951-5-28 84 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UC147066  Platystemon californicus H. P. Chandler 1907-4-28 7548 Sonoma near road to Mark West Sprs.; near road to Mark West Sprs. Comment
  RSA178017  Platystemon californicus var. californicus Robert F. Thorne 1965-4-19 34272 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UC416756  Plectritis ciliosa subsp. ciliosa Milo S. Baker 1898-3-26 691 Sonoma Hills near McDonald's Reservoir Comment
  JEPS113047  Pleuropogon californicus Dean W. Taylor 1994-5-4 14200 Sonoma Santa Rosa Plain; north of Todd Road 0.5 mi W of junction with Llano Road (ca. 5 air mi SW Santa Rosa) 24 Comment
  SD71039  Pleuropogon californicus David L. Morgan 1961-4-25 Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati Comment
  UCD90170  Pleuropogon californicus David L. Morgan 1961-4-25 s.n. Sonoma near Stemple Creek, 3 miles southwest of Cotati. Comment
  UCD90168  Pleuropogon californicus David L. Morgan 1956-5-12 s.n. Sonoma on Watmaugh Rd., 1/2 mile west of the junction of Arnold Dr. Comment
  CAS-BOT-BC260976  Pleuropogon californicus var. californicus Alice Eastwood 1921-4-24 10316 Sonoma Santa Rosa Comment
  CAS-BOT-BC260979  Pleuropogon californicus var. californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  CAS-BOT-BC260986  Pleuropogon californicus var. californicus A. A. Heller 1902-4-15 5294 Sonoma Santa Rosa Comment
  CAS-BOT-BC260989  Pleuropogon californicus var. californicus John Thomas Howell 1946-3-31 21593 Sonoma SW of Sonoma Comment
  CAS-BOT-BC255602  Poa annua Peter Rubtzoff 1953-5-16 1361 Sonoma Vacation Beach, near Guerneville, Banks of Russian River Comment
  HSC10670  Poa compressa J. V. Lenz 1947-4-19 Sonoma Santa Rosa. Comment
  CAS-BOT-BC256036  Poa pratensis Peter Rubtzoff 1963-6-5 5153 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC256039  Poa pratensis Peter Rubtzoff 1957-5-4 3303 Sonoma Duncans Mills Marsh Comment
  UCD90791  Poa secunda subsp. secunda Beecher Crampton 1955-4-5 2402 Sonoma 2 miles N of Healdsburg, along US Hwy 101. Comment
  UCD90897  Poa secunda subsp. secunda B. A. Etcheverry 1928-4-22 s.n. Sonoma Wilbur Springs. Comment
  RSA129473  Poa trivialis H. S. Yates 1937-5-30 6558 Sonoma 1 1/2 miles N of Freestone. 91 Comment
  RSA144371  Poa trivialis Roxana S. Ferris, Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  RSA227196  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncan Mills Marsh. Comment
  UCD92150  Poa unilateralis P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC383035  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA244745  Pogogyne douglasii subsp. parviflora Peter Rubtzoff 1971-6-23 6549 Sonoma 4.25 miles west of Glen Ellen Comment
  UC76198  Pogogyne douglasii subsp. parviflora Milo S. Baker 1899-6-25 Sonoma near Santa Rosa Comment
  CAS-BOT-BC232892  Polemonium carneum Milo S. Baker 1935-5-12 8072 Sonoma 1 mile E of Bodega Bay near Larkspur Comment
  RSA144915  Polygala californica Roxana S. Ferris, Laura Lorraine 1961-6-15 13553 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  RSA177923  Polygala californica Robert F. Thorne 1965-4-20 34371 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  HSC27870  Polygala californica Delzie Demaree 1955-6-12 36976 Sonoma Westminster Woods. Comment
  RSA135339  Polygala californica Volney Rattan 1877-6-17 s.n. Sonoma Guernville Comment
  SEINET12205239  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -088 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  UC109718  Polygala californica Mrs. K. Brandegee Sonoma El Verano Comment
Read comments
Sep 19 2007
  UCD109697  Polygala californica Beecher Crampton 1955-6-17 2954 Sonoma roadside, Cazadero. Comment
  CAS-BOT-BC164373  Polygonum Peter Rubtzoff 1970-5-30 6246 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC414281  Polygonum aviculare subsp. depressum G. DeNevers 1981-7-1 1737 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  RSA234570  Polygonum punctatum Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  UC1063655  Polypodium E. Armstrong 1934-3-26 918 Sonoma 1 mi w Camp Meeker; Sebastopol Quadrangle 121 Comment
  SEINET3873633  Polypodium calirhiza Kaye H. Thorne 1984-11-22 3665 Sonoma Sea Ranch, Black Point near Lodge.; 0 Comment
  UC1606995  Polypodium glycyrrhiza Margaret Rockwood and L. Esposito 1993-3-31 303 Sonoma Ca. 3 km NW of Bodega town (Fitzpatrick Lane) 30 Comment
  SEINET11719105  Polypodium glycyrrhiza S. W. Edwards 1986-1 s.n. Sonoma St. Helena Rd, 5.55 mi from Calistoga Rd., 6.7 mi from hwy in St. Helena Comment
  UCD136866  Polypodium glycyrrhiza Herbert L. Mason 1925-11-26 2498 Sonoma Monte Rio. Comment
  UC440198  Polypodium scouleri Michener and Bioletti 1897-7-6 Sonoma Gualala Comment
  CAS-BOT-BC311838  Polypogon Peter Rubtzoff 1983-8-28 9671 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  CAS-BOT-BC233001  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC233196  Polypogon interruptus Peter Rubtzoff 1955-9-10 2142 Sonoma Vacation Creek, near Guerneville, Russian River bottom Comment
  RSA129381  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 miles east of Jenner. 61 Comment
  UCD91017  Polypogon interruptus Beecher Crampton 1955-6-17 2973 Sonoma Along State Hwy 1, 4 miles south of Fort Ross. Comment
  SEINET8465033 Image available Polypogon monspeliensis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16224 Sonoma North Coast Ranges; Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC237413  Polypogon monspeliensis John H. Thomas 1976-6-17 18355 Sonoma Near N end of Sea Ranch, NW part of county, about 4 miles S of Gualala Comment
  RSA93467  Polypogon monspeliensis Milo S. Baker 12390 Sonoma Near creek west of Petrified Forest at Shale Quarry. Comment
  UC62818  Polystichum californicum J. Burtt Davy 1896-3-13 1661 Sonoma Cazadero Comment
  CAS-BOT-BC72164  Polystichum californicum G. DeNevers 1981-6-27 1671 Sonoma On a walk up through the Devil's Kitchen, Kellogg Ranch; starting from the bottom of the hill in Franz Valley, Comment
  SBBG298  Polystichum munitum H. and M. Dearing 1939-5-15 3386 Sonoma N of Fort Ross Comment
  UCD136561  Polystichum munitum Botany 102 Students 1993-5-8 103 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. Comment
  CAS-BOT-BC445291  Portulaca oleracea Peter Rubtzoff 1965-9-5 5635 Sonoma Forest Hills 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC376233  Potamogeton Greg de Nevers 1992-8-16 10246 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Franz Creek 304 Comment
  UC441349  Potamogeton illinoensis Milo S. Baker Aug. 1900 Sonoma laguna near Sebastopol Comment
  RSA800334  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh. Comment
  UCR244637  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  CAS-BOT-BC453901  Potamogeton nodosus M. S. Baker 1900-8-1 s.n. Sonoma Mark West Creek near Saguna. Comment
  UCR280146  Potamogeton pectinatus Peter Rubtzoff 1971-9-30 6712 Sonoma Dune pond near U.C. Bodega Marine Laboratory 13 Comment
  CAS-BOT-BC454022  Potamogeton pectinatus Peter Rubtzoff 1955-9-9 2123 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC454081  Potamogeton pusillus subsp. pusillus Greg de Nevers 1991-6-23 9754 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Loch Haven Lake. 500' elevation. 475 Comment
  HSC98398  Potentilla anserina subsp. pacifica James Faro 1962-4-17 28 Sonoma W side of Bodega Bay, N end Comment
  JEPS128324  Prosartes hookeri Roger Raiche 2000-3-26 006 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  CAS-BOT-BC516398  Prosartes hookeri Volney Rattan 1877-6-25 s.n. Sonoma Near Cloverdale Comment
  UC1288498  Prunella Andrew P. Nelson 1960-8-3 646 -B Sonoma Pitkin Marsh Comment
  UCD125268  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  UCD36685  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  UC1084462  Prunella vulgaris var. lanceolata G. Thomas Robbins 1937-6-5 225 Sonoma about 10 mi w Santa Rosa (Vine Hill region) Comment
  UC1288499  Prunella vulgaris var. vulgaris Andrew P. Nelson 1960-8-3 646 A Sonoma Pitkin Marsh Comment
  CAS-BOT-BC251229  Prunus Peter Rubtzoff 1960-4-30 4309 Sonoma Laguna de Santa Rosa, east of Sebastopol, near Santa Rosa Road. Comment
  UC699661  Prunus serotina T. E. Rawlins September, 1942 Sonoma Fort Ross Comment
  CAS-BOT-BC154681  Prunus subcordata Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UCD135197  Pseudognaphalium beneolens M. Barbour 1970-11-30 s.n. Sonoma Bodega Head. Comment
  CAS-BOT-BC356499  Pseudognaphalium beneolens G. DeNevers 1981-7-25 1871 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  CAS-BOT-BC356925  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-8-23 287 Sonoma Joost Ranch, Calistoga Rd Comment
  UCD133633  Pseudognaphalium californicum Frederica Bowcutt 1994-6-25 1905 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, immediately W of culvert under Meadow Trail. Along down cut channel feeding into Sonoma Creek which is to the W. 408 Comment
  SBBG8250  Pseudognaphalium stramineum H. and M. Dearing 1939-5-14 3356 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD135205  Pseudognaphalium stramineum P. G. Connors 1992-6-9 276 Sonoma Bodega Head and Dunes. Comment
  UCD148405  Pseudognaphalium stramineum Peter Rubtzoff 1958-8-16 3884 Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  CAS-BOT-BC80179  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-12-27 464 Sonoma Pine Flat Rd., Circle 8 Ranch Comment
  UCR2993  Pseudotsuga menziesii Wm. Horn Jr. 1963-4-10 630410- 2 Sonoma San Francisco Bay, 0.5 mi N on Jonive Rd. at a point 5 mi west of Sebastopol on Bodega Highway Comment
  SEINET11738932  Pseudotsuga menziesii I. Knight, Knight, W. 1981-1 3980 Sonoma 6.2 mi up Cavedale Road from jct of state route #12 Comment
  UCD166080  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UCD166214  Psilocarphus Peter Rubtzoff 1970-5-16 6229 Sonoma 5 miles north of Sears Point. Comment
  UC35754  Psilocarphus oregonus Miss King 1897-1-1 Sonoma Healdsburg Comment
  CAS-BOT-BC362079  Psilocarphus tenellus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53942 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC362076  Psilocarphus tenellus G. DeNevers 1981-5-26 1322 Sonoma Pepperwood Ranch. At Pippindale Garden 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
  CAS-BOT-BC72690  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC72692  Pteridium aquilinum Peter Rubtzoff 1957-6-28 3383 Sonoma Duncans Mills Marsh Comment
  UCR222563  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-6-5 16252 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
  SEINET11718164  Pteridium aquilinum var. pubescens W. Knight, Knight, I.; Knight, T. 1984-1 5024 Sonoma Howarth Park overlooking lake, Santa Rosa 30 Comment
  CAS-BOT-BC421374  Pterostegia drymarioides A. A. Heller 1902-5-27 5612 Sonoma Bodega Bay Comment
  CAS-BOT-BC421375  Pterostegia drymarioides Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  RSA0072112  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along old road from Rogers Apple Orchard to creek. 100 Comment
  UCD100924  Pterostegia drymarioides Arlene Johnston 1977-5-11 83 Sonoma Bodega Bay. Comment
  JEPS46204  Pyrola aphylla Eleanor Armstrong 1932-6-15 496 Sonoma Camp Meeker, 1 mi west of town on road to Living Tower 152 Comment
  JEPS58840  Pyrola aphylla M. E. and E. Van E. Ferguson Jun 8-10 1919 Sonoma Near Gurneville Comment
  UCD45323  Quercus X chasei John M. Tucker 1952-9-20 2618 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.: Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from Voight farmhouse. Comment
  CDA16159  Quercus X eplingii G. F. Hrusa, R. Gross 1999-6-12 15076 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  RSA34658  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  CAS-BOT-BC94705  Quercus X howellii G. De Nevers 1981-9-5 1824 Sonoma Pepperwood Ranch. In the Garrison Yard, between the Blue Damson Plum and the Oregon Oak Comment
  UC424815  Quercus X morehus unknown 1930-3-1 3880 Sonoma Vine Hill Region, on <?>rei Ranch Vine Hill Region Comment
  CAS-BOT-BC104297  Quercus X morehus Walter Knight; Irja Knight 1968-1-1 2268 Sonoma Genpers Resort, along creek at first footbridge in ravine on genper trail Comment
  CAS-BOT-BC61632  Quercus agrifolia Irja Knight; Walter Knight 1964-11-15 794 Sonoma along road half way up Hood's Peak Comment
  UC1193299  Quercus agrifolia P. Zinke 1950-4-25 116 Sonoma 4 mi e Cloverdale (Quad. 61A4) 365 Comment
  UC1196504  Quercus agrifolia Joseph P. Tracy 1930-11-30 9272 Sonoma below Knights Valley; North Coast Ranges 152 Comment
  CDA12908  Quercus agrifolia var. agrifolia G. F. Hrusa, R. Gross 1996-3-31 12741 Sonoma North Coast Biodiversity Arena; On flats near residences of Foote Ranch, NE corner of Hwy 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. Comment
  UC1193267  Quercus berberidifolia R. H. Neuns 1950-5-3 101 Sonoma 6 mi e Geyserville 426 Comment
  UCD162764  Quercus berberidifolia Dylan O. Burge 2014-6-5 1643 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  CHSC80756  Quercus chrysolepis Earl L. Core 1952-7-5 Sonoma Mt. St. Helena. Comment
  UCD45473  Quercus chrysolepis Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1774 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trailhead along Adobe Canyon Road S of Sonoma Creek. Elev: 650', reletively flat. Canyon Live Oak. Native. 198 Comment
  SEINET12031414  Quercus chrysolepis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -243 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  JEPS37398  Quercus douglasii W. H. Calhoun 1907-10-21 Sonoma Windsor Comment
  CAS-BOT-BC79565  Quercus dumosa Walter Knight; Irja Knight 1963-1-9 146 Sonoma Pine Mt. Rd. NE of Clverdale Comment
  CAS-BOT-BC94153  Quercus durata D. E. Breedlove 1962-6-6 2904 Sonoma on State Highway 128, 4.0 miles NW of U.S. Highway 101 at Cloverdale 289 Comment
  JEPS83643  Quercus durata R. Raiche 1988-1-19 80003 Sonoma Bummer Peak Area, Rockpile Rd Lake Sonoma Area 329 Comment
  UCSB15790  Quercus durata var. durata Breedlove, Dennis 1962-6-6 Sonoma State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale 289 Comment
  CAS-BOT-BC94672  Quercus garryana Alice Eastwood 1921-4-24 10388 Sonoma Santa Rosa Comment
  UCD124007  Quercus garryana var. garryana Frederica Bowcutt 1997-7-20 2201 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 3 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  CAS-BOT-BC105478  Quercus kelloggii Walter Knight; Irja Knight 1964-11-15 780 Sonoma near new Johnson residence on Hood's Peak Comment
  UCD46738  Quercus kelloggii John M. Tucker 1952-9-20 2620 Sonoma California, Sonoma Co.; Voight Ranch, ca. 1.25 mi (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  CAS-BOT-BC105488  Quercus kelloggii Margot Lowry 1983-5-1 26 Sonoma ca 1 mile from top of Sonoma Mtn Rd on Sonoma Mtn 500 Comment
  UCD46678  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles n of Sonoma hill slopes. 274 Comment
  UCD163814  Quercus parvula var. shrevei Stephen K. Langer; and Charles S. Rand 1998-6-30 s.n. Sonoma Highway 128, 0.7 mi. southeast of Mendocino County line. 213 Comment
  UC1135382  Quercus wislizeni E. Armstrong 1934-3-26 908 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 152 Comment
  UC1193235  Quercus wislizeni R. H. Neuns 1950-4-26 95 Sonoma 5 mi w The Geysers (Sulphur Creek Rd) 457 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
  SDSU10098  Ranunculus californicus D. F. Howe 1972-4-28 4814 Sonoma Trinity Road, Mt. Hood Range. 122 Comment
  CAS-BOT-BC378698  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5055 Sonoma near Santa Rosa Comment
  UC1057436  Ranunculus lobbii G. Thomas Robbins 1937-3-26 18 Sonoma vernal pool near Wright School (on hwy to Sebastopol) Comment
  UCR255746  Ranunculus lobbii Greg de Nevers 1998-4-28 11211 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  SEINET7067271  Ranunculus macounii A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  HSC82071  Ranunculus muricatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5123 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  POM269266  Ranunculus muricatus H. L. Mason 1928-4-7 4275 Sonoma Jenner, mouth of Russian River Comment
  RSA3940  Ranunculus occidentalis var. eisenii I. L. Wiggins 1932-3-12 5758 Sonoma Between Franz Valley and Knight's Valley. Comment
  UCD158817  Ranunculus occidentalis var. occidentalis James A. Neilson Jr. 1974-4-17 2890 Sonoma Mayacmas Mountains. Above Big Geyser Canyon. (Elevation estimated using topo map by label maker.) 914 Comment
  UC1057477  Ranunculus orthorhynchus var. bloomeri G. Thomas Robbins 1937-5-23 209 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  UC205821  Ranunculus orthorhynchus var. bloomeri A. A. Heller 1902-3-14 5061 Sonoma near Windsor Comment
  UCD150136  Ranunculus orthorhynchus var. bloomeri Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  RSA534582  Ranunculus repens Peter Rubtzoff 1954-6-7 1481 Sonoma Guerneville Marsh Comment
  UC1084367  Raphanus sativus G. Thomas Robbins 1937-3-26 33 Sonoma along road to Bodega (just e of Bodega) Comment
  RSA339385  Rhamnus tomentella subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE end of town of Healdsburg on Reservoir Hill. 122 Comment
  UCD117873  Rhododendron columbianum J. M. Tucker; C. H. Lamoureux 1958-6-8 3409 Sonoma In the vicinity of State Highway 1, 6.1 miles (by road) north of Fort Ross. Comment
  POM131866  Rhododendron occidentale Edward L. Greene 1894-6-17 s.n. Sonoma Mt. St. Helena. Comment
  UCD117913  Rhododendron occidentale Donna Allen 1977-5-24 s.n. Sonoma 30 miles on Dry Cr. Road to Stewart's Pt. Comment
  UCD117989  Rhododendron occidentale J. M. Tucker 1952-5-4 2361 Sonoma On bank of the Wheatfield Fork of the Gualala River, beside road from Geyserville to Stewart's Point, ca. 12 miles east of Stewart's Point. Comment
  CAS-BOT-BC200346  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC200349  Rhododendron occidentale var. occidentale Mary P. Wells 1984-8-8 433 B Sonoma Deer Trail Road north of present end. The Sea Ranch Comment
  RSA256986  Rhododendron occidentale var. occidentale Gary D. Wallace 1973-5-18 1201 Sonoma East of Santa Rosa on Guerneville Rd to .25 miles east of Jct. with Hwy 116, then north on Vine Hill Rd. to Pitkin Tree Farm. Comment
  CAS-BOT-BC111861  Rhynchospora Peter Rubtzoff 1977-9-4 9132 Sonoma Pitkin Marsh, near Forestville. Northern part of the western branch of the Upper Marsh. Comment
  RSA94004  Rhynchospora alba Peter Rubtzoff 1951-7-1 340 Sonoma Lower part of Upper Marsh Comment
  CAS-BOT-BC111885  Rhynchospora californica Peter Rubtzoff 1951-7-1 326 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  POM303623  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA74059  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  UC963895  Rhynchospora globularis var. globularis Milo S. Baker 1945-8-14 11145 Sonoma on Gravestein Hwy about 2 mi n Sebastopol; Twin Pine Ranch, Perry Marsh Comment
  CAS-BOT-BC111935  Rhynchospora recognita Peter Rubtzoff 1951-7-21 506 Sonoma Pitkin Marsh, Damp, open area between the Upper and Lower Marshes. Comment
  CAS-BOT-BC168992  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1951-6-16 211 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC212924  Ribes menziesii F. H. Utech; W. & I. Knight 1984-4-17 84 -157 Sonoma 5 miles east of Bridgehaven on Willow Creek Road 144 Comment
  CAS-BOT-BC198920  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-12 5037 Sonoma Sonoma Creek, Estern Base of Mt. Hood Comment
  CAS-BOT-BC198924  Ribes roezlii var. cruentum R. Bacigalupi 1948-3-6 2857 Sonoma Slopes of Mayacamas Range, on road from the Geysers to Geyserville. Comment
  CHSC26437  Ribes sanguineum var. glutinosum P. Kunst 1977-4-12 22 Sonoma Large population, ca. 3 yd n of Coleman Valley Rd and 2.5 mi w of Occidental. 219 Comment
  JEPS9657 Image available Ribes victoris W. L. Jepson 1893-5-5 13507 Sonoma Middletown Grade Mt. St. Helena; Middletown Grade, Mt. St. Helena Comment
  CAS-BOT-BC168763  Ribes victoris Michener; Bioletti 1892-7-8 629 Sonoma South Los Guilicos Comment
  UC11671  Ribes victoris F. T. Bioletti Mar 1891 Sonoma Watson's Canyon Comment
  JEPS73285  Rorippa Edward Lee 1934-4-30 757 Sonoma 1 mi w 2 Rock Junction; w of 2 Rock Junction Comment
  CAS-BOT-BC74710  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74715  Rorippa curvisiliqua Peter Rubtzoff 1976-9-25 8902 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC152658  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152665  Rosa californica Greg de Nevers 1995-6-3 10747 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, along Franz Creek, just below Mountain House 487 Comment
  CAS-BOT-BC152671  Rosa californica Peter H. Raven 1955-8-27 8758 Sonoma 3.2 mi. n. of Sears Point on State Route 37 Comment
  UC467687  Rosa californica Milo S. Baker 1898-6-1 595 Sonoma Santa Rosa Cemetery Comment
  RSA800130  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh Comment
  UC454965  Rosa gymnocarpa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC903753  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mt. (west slop of) 243 Comment
  CAS-BOT-BC262825  Rubus Peter Rubtzoff 1954-8-11 1691 Sonoma Guerneville Marsh. Comment
  RSA800080  Rubus laciniatus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh. Northwestern end of marsh. Comment
  UCD160015  Rubus leucodermis James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3291 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
  UC1084363  Rubus spectabilis G. Thomas Robbins 1937-3-26 26 Sonoma bank of creek along road e Bodega Bay; e of Bodega Bay Comment
  CAS-BOT-BC157178  Rubus ursinus Peter Rubtzoff 1951-6-30 291 Sonoma Uppermost of the western branch of the Upper Marsh Comment
  UCD166512  Rumex Peter Rubtzoff 1958-7-19 3756 Sonoma Laguna de Santa Rosa, east of Sebastopol. 20 Comment
  UCD166089  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh, Area 27. Comment
  UCD101063  Rumex acetosella Peter Rubtzoff 1951-7-7 366 Sonoma Pitkin Marsh near Forestville. Between the western and the eastern branches of the Upper Marsh. Comment
  UCD101040  Rumex acetosella P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD19485  Rumex acetosella Terry Reedy 1974-5-11 206 Sonoma Bodega Head, between road and freshwater marsh. 6 Comment
  UCD101121  Rumex crassus Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. Comment
  CAS-BOT-BC166800  Rumex fueginus Peter Rubtzoff 1962-9-30 5097 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  UCR279631  Rumex fueginus Peter Rubtzoff 1962-9-30 5097 Sonoma Vacation Beach, 2 miles below Guerneville 6 Comment
  CAS-BOT-BC166928  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC433739  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  RSA0051272  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCD158722  Rumex salicifolius James A. Neilson Jr. 1974-7-31 2832 Sonoma Mayacmas Mountains. North of Little Geysers well # 2. 731 Comment
  POM37358  Rupertia physodes Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  RSA107069  Rupertia physodes L. S. Rose 1956-6-18 56097 Sonoma 4 mi. w. of Graton, junction of Harrison grade and Green Valley Road. Comment
  RSA216138  Ruppia maritima Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. In rather deep water of Salmon Creek. Comment
  UCD138320  Ruppia maritima P. G. Connors 1991-6-25 179 Sonoma Bodega Marine Laboratory housing. 920N, 5140E. Comment
  CAS-BOT-BC239855  Rytidosperma penicillatum R. E. Frenkel 1964-6-23 623 Sonoma On Seaview Road, 3.1 miles north of Fort Ross Road 396 Comment
  JEPS97570  Rytidosperma penicillatum R. D. Stone 1980-11-30 332 Sonoma Annapolis Road area just below and W of landing strip at the Sea Ranch. 91 Comment
  CAS-BOT-BC259173  Sagina Peter Rubtzoff 1964-6-24 5370 Sonoma Lower Salmon Creek Marsh. Comment
  SEINET11933369  Salicornia depressa W. Knight, Knight, I. 1984-1 5083 Sonoma Gilardi's Resort near Lakeville on Petaluma River 3 Comment
  CAS-BOT-BC290712  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh. Comment
  UCR249325  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh Comment
  RSA0015574  Salix Peter Rubtzoff 1973-9-9 7313 Sonoma Kenwood Marsh. Comment
  RSA94333  Salix babylonica Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh, margin of a thicket of damp ground Comment
  CAS-BOT-BC103082  Salix bonplandiana M. S. Baker 1930-4-11 3946 Sonoma Banks of Santa Rosa Creek Comment
  CAS-BOT-BC103951  Salix exigua Peter Rubtzoff 1957-5-4 3318 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  RSA0035349  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. 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
  UC1134978  Salix lasiandra subsp. lasiandra H. S. Yates 1934-4-21 3817 Sonoma near Monte Rio; Duncan Mills Quad. Comment
  UC453090  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 10 Sonoma Bohemian Grove near Monte Rio; Russian R. Comment
  UC726800  Salix lasiandra subsp. lasiandra A. A. Heller 1900-3-18 5098 Sonoma Santa Rosa Creek near Santa Rosa 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
  UC453088  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  UC453092  Salix lasiolepis W. A. Setchell 1931-7-25 12 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  UC524779  Salix lasiolepis W. A. Setchell 1934-7-10 1 Sonoma Coast Hwy 1-2 ni s Fort Ross 76 Comment
  UCD111595  Salix lasiolepis Frederica Bowcutt 1996-3-24 2073 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Trail head for Lower Bald Mtn. Trail @ group campsite just west of Sonoma Creek. 381 Comment
  CAS-BOT-BC128316  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh Comment
  CAS-BOT-BC128319  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 2 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC125697  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  SD918  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove, near Monte Rio, gravelly bed pf Russian River Comment
  SJSU178  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian R, Bohemian Grove near Monte Rio Comment
  CAS-BOT-BC126181  Salix scouleriana Peter Rubtzoff 1962-6-13 4908 Sonoma Freestone Marsh Comment
  CAS-BOT-BC126190  Salix scouleriana Milo S. Baker 1933-1-1 s.n. Sonoma Along Santa Rosa - Bodega Highway, at O'Farrell Hill, 3 miles west of Sebastopol Comment
  CAS-BOT-BC126194  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC126197  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  RSA13573  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Highway. Above Fort Ross. Comment
  SD882  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 343 Sonoma Two km east of Occidental, on Occidental Grade Comment
  UC482055  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 342 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  CAS-BOT-BC128913  Salix sitchensis A. A. Heller 1903-4-23 6602 Sonoma Fort Ross Comment
  POM219061  Salix sitchensis Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 344 Sonoma About 2 km E of Bodega Bay. Comment
  UC482066  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay Comment
  CAS-BOT-BC225220  Salvia sonomensis Mrs. C. A. Burlingame 1921-5-30 s.n. Sonoma Sonoma Comment
  JEPS62779  Salvia sonomensis Willis L. Jepson 1893-1 14947 Sonoma nw of Calistoga (between Knights Valley and Franz Valley, e Sonoma County); Napa River Basin Comment
  RSA396195  Salvia sonomensis F. H. Utech, Walter Knight, I. Knight 1984-4-16 84 -99 Sonoma ca 4.0 mi NNW of Sanoma on Cavedale Road from junction with CA hwy 12; ca 1.6 mi N on Cavedale Road from junction 396 Comment
  CAS-BOT-BC245884  Sambucus nigra subsp. caerulea Peter Rubtzoff 1952-6-9 1185 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC245887  Sambucus nigra subsp. caerulea Peter Rubtzoff 1980-5-26 9445 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC235076  Sambucus racemosa var. racemosa Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  OBI39521  Sambucus racemosa var. racemosa F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek rd 145 Comment
  CAS-BOT-BC223344  Sanicula bipinnatifida Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  CAS-BOT-BC223347  Sanicula bipinnatifida G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  UC1022490  Sanicula crassicaulis C. Ritchie Bell 1952-3-19 3 X349 Sonoma 1 mi s of Geyserville Comment
  UCD151099  Sanicula crassicaulis James A. Neilson Jr. 1973-6-3 3003 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 441 Comment
  CDA12818  Sanicula laciniata G. F. Hrusa, R. Gross 1996-3-8 12652 Sonoma North Coast Biodiversity Arena; near summit on NE side of Chalk Hill. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  SD56670  Satureja douglasii D. F. Howe 1963-7-3 3589 Sonoma 20 mi. N of jnct. with #12 on #1 Comment
  UC11766  Saxifraga californica J. Burtt Davy 1896-3-14 1663 Sonoma Cazadero Comment
  UCR265131  Saxifraga mertensiana Ann Howald 2015-4-1 3331 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  SEINET12216689  Saxifraga mertensiana F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -152 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  RSA52688  Scandix pecten-veneris I. L. Wiggins 1949-4-30 12059 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  RSA0022393  Schedonorus arundinaceus Peter Rubtzoff 1960-6-9 4468 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  HSC7527  Schoenoplectus americanus James Faro 1962-4-17 18 Sonoma W side of Bodega Bay, N end Comment
  RSA540070  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh. Comment
  UCR255033  Schoenoplectus mucronatus Greg de Nevers 1997-9-29 11097 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC111838  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-8-31 9734 Sonoma Russian River at Forest Hills, 5.5 miles East of Guerneville. Comment
  CDA16375  Scirpus cernuus G. F. Hrusa 2000-11-13 15718 Sonoma Kortum trail head to Goat Rock. 0 Comment
  UC1153783  Scirpus cernuus B. Crampton 1957-7-22 4374 Sonoma 0.9 mi s Stewart's Point (along State Hwy 1); s of Stewart's Point Comment
  UCR249040  Scirpus maritimus Peter Rubtzoff 1954-7-26 1557 Sonoma Lower Salmon Creek Marsh 6 Comment
  POM186202  Scirpus microcarpus A. A. Heller 1902-6-24 5746 Sonoma Near Burke s Sanitarium. Comment
  UCR255659  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  UC1005694  Scoliopus bigelovii Frank W. Gould 1939-2-25 562 Sonoma canyon ca. 2 1/2 mi. s. Ft. Ross 30 Comment
  SBBG1055  Scoliopus bigelovii H. and M. Dearing 1939-5-14 3347 Sonoma near Monte Rio Comment
  SEINET12058069  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -006 Sonoma 5.75 mi W of jct of Willow Creek Rd & Coleman Valley Rd on former near headwater of Willow Creek 60 Comment
  SEINET12058075  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -003 Sonoma ca 0.15 mi SE from East Avenue junction with Bohemian Rd on latter to Occidental from Camp Meeker 140 Comment
  UCSB705  Scoliopus bigelovii Keator, Glenn 1959-4-1 Sonoma About abandoned picnic grounds, 1 miles southeast of northern city limits of Camp Meeker Comment
  CAS-BOT-BC240035  Scribneria bolanderi John Thomas Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente Comment
  RSA54039  Scribneria bolanderi J. T. Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC311817  Scrophularia californica Peter Rubtzoff 1967-8-28 5870 Sonoma Lower Salmon Creek Marsh. Comment
  RSA0022383  Scrophularia californica Peter Rubtzoff 1958-8-23 3913 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  RSA0022476  Scrophularia californica Peter Rubtzoff 1964-5-20 5307 Sonoma Bodega Bay Marsh. Comment
  RSA0022477  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  UCD125718  Scutellaria californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  RSA0074764  Sedum spathulifolium Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  SD95206  Sedum spathulifolium Winifred Anderson 1966-5-7 21 Sonoma Pine Flat Road, 10 miles east of Healdsburg. 170 Comment
  CAS-BOT-BC376339  Selaginella wallacei Greg de Nevers 1997-12-12 11110 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In 40 acres west of Trapper's Cabin. 400 Comment
  CAS-BOT-BC62200  Selaginella wallacei Alice Eastwood; John Thomas Howell 1939-4-2 7366 Sonoma Larkspur Rock Comment
  UC371002  Selaginella wallacei Michener and Bioletti 1893-12-25 Sonoma Adobe Canyon Comment
  UCD33565  Semiarundinaria fastuosa Beecher Crampton 1970-3-12 8543 Sonoma Sonoma County, El Verano, Green Tree Nursery. Comment
  UCD148329  Senecio glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  UCD148425  Senecio glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  UCR279861  Senecio minimus Peter Rubtzoff 1954-8-13 1706 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC364219  Senecio sylvaticus Peter Rubtzoff 1969-8-14 6135 Sonoma Coleman Marsh Comment
  UCD165128  Senecio vulgaris Peter Rubtzoff 1974-4-17 7380 Sonoma Upper Green Valley Marsh. Comment
  UC254  Sequoia sempervirens M. Louise Douglass 1898-4-19 Sonoma Glen Ellen Comment
  UC401314  Sequoia sempervirens W. P. Taylor 1913-6-1 Sonoma Freestone Comment
  CAS-BOT-BC243605  Setaria parviflora Burbank 1926-1-1 s.n. Sonoma Luther Burrant Garden Comment
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Sep 24 2017
  CAS-BOT-BC240278  Setaria viridis G. DeNevers 1981-6-20 1620 Sonoma Pepperwood Ranch. In Mark West Creek Comment
  SBBG4695  Sidalcea H. and M. Dearing 1939-5-14 3368 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  RSA6147  Sidalcea calycosa subsp. calycosa Carl B. Wolf 1933-6-26 s.n. Sonoma 1-4/10 miles above the power plant house on road to Camp Nelson. Upper Tule River 1037 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
  CAS-BOT-BC213156  Sidalcea calycosa subsp. rhizomata L. R. Abrams 1920-7-3 7617 Sonoma Stewarts Pt. Comment
  JEPS50081  Sidalcea diploscypha M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio; Russian River, btw Gurneville and Monte Rio Comment
  UC535114  Sidalcea diploscypha H. E. and S. T. Parks May, 1930 625 Sonoma head of Alexander Valley Comment
  UCD116755  Sidalcea malachroides P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CDA36503  Sidalcea malviflora subsp. laciniata T. C. Fuller 1966-6-2 14852 Sonoma Road to Petaluma, 1 mile east of Valley Ford. 0 Comment
  SEINET7042576  Sidalcea malviflora subsp. laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  UCR249911A  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley, south side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road 152 Comment
  UC465678  Silene californica Milo S. Baker 1898-6-11 674 Sonoma Geysers Comment
  UC972134  Silene californica Helen K. Sharsmith 1952-6-18 4131 Sonoma 0.8 mi w of junction of Pine-Flat-Middletown road with Socrates Mine Road (Mayacamas Range); Inner North Coast Ranges, Mayacamas Range 914 Comment
  UCD98639  Silene gallica Valerie Bullock; Erik Beever 1993-5-8 241 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 on path next to meadow. 365 Comment
  CAS-BOT-BC389228  Silene laciniata subsp. californica Volney Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  UCD160832  Silene laciniata subsp. californica James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3361 Sonoma Section 10, on the Geysers Road west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCSB15933  Silene laciniata subsp. californica Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128; 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  UCD98965  Silene laciniata subsp. californica Frederica Bowcutt 1994-6-12 1858 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC75327  Sisymbrium officinale Clare R. Wheeler 1978-3-30 139 Sonoma Pine Mountain Road, 4 miles northeast of Cloverdale. 548 Comment
  UC496429  Sisyrinchium bellum Merle Randall 1930-6-10 Sonoma Shore road from Jenner to Fort Ross 91 Comment
  UCD138775  Sisyrinchium bellum Chris Bowen 1974-5-19 s.n. Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM169048  Sisyrinchium bellum A. A. Heller, H. E. Brown 1902-3-26 5154 Sonoma Santa Rosa Creek. Comment
  UC1084445  Sisyrinchium californicum G. Thomas Robbins 1937-5-23 200 Sonoma 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  CAS-BOT-BC164412  Solanum Peter Rubtzoff 1966-8-29 s.n. 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-BC164701  Solanum Peter Rubtzoff 1953-11-1 1433 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166967  Solanum Peter Rubtzoff 1956-9-16 2930 Sonoma Vacation Beach, near Guerneville. Comment
  UCD165324  Solanum Peter Rubtzoff 1973-8-21 7245 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC361291  Solanum jasminoides Greg de Nevers 1993-5-15 10445 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC156445  Solanum umbelliferum E. I. Applegate 1934-3-25 8854 Sonoma Pine Flat, west slope of the Mayacama range of mountains Comment
  JEPS128213  Solanum umbelliferum Roger Raiche 2002-4-12 004 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC344875  Solidago Peter Rubtzoff 1961-9-20 4748 Sonoma Americano Creek, 0.9 miles west of Bloomfield. Open, damp ground. Comment
  RSA94281  Solidago canadensis subsp. elongata Peter Rubtzoff 1951-9-2 721 Sonoma Western branch of the Upper Marsh. Comment
  UCD136064  Solidago spathulata Mary M. Hektner 1974-1 s.n. Sonoma Unit 17 Owners' Map, Sea ranch, near State Highway 1. 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-BC365260  Solidago velutina subsp. californica Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC365264  Solidago velutina subsp. californica Mary P. Wells 1983-8-4 182 Sonoma North of Parking Lot south of Duncan's Point Comment
  CAS-BOT-BC365267  Solidago velutina subsp. californica G. DeNevers 1981-7-19 1765 Sonoma Pepperwood Ranch. Near the Trapper's Cabin Comment
  RSA0036022  Solidago velutina subsp. californica Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  UCD165151  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC365958  Soliva sessilis Peter Rubtzoff 1951-6-16 242 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365965  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True 1981-5-14 53941 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-BC374744  Sonchus oleraceus D. E. Breedlove 1983-5-9 58696 Sonoma Pepperwood Ranch W of Knights Valley Comment
  POM232058  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  UCD92998  Spartina foliosa R. Tofsrud 1949-11-1 s.n. Sonoma Black Point Road. Comment
  CAS-BOT-BC258919  Spergula Peter Rubtzoff 1958-9-28 s.n. Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  SD39609  Spergula arvensis Edith A. Purer 1932-8-21 4053 a Sonoma Bodega Bay. Comment
  CAS-BOT-BC390046  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC390049  Spergula arvensis Ella Dales Cantelow 1940-4-20 3446 Sonoma N. of Ft. Ross. Hy I Comment
  RSA800207  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  JEPS51207  Spergula arvensis subsp. arvensis G. G. Frey 1921-12-5 Sonoma Sebastopol Comment
  CAS-BOT-BC320575  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA0022422  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC390726  Spergularia rubra Walter Knight; Irja Knight 1963-8-13 206 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC390729  Spergularia rubra Alice Eastwood; John Thomas Howell 1937-5-31 4503 Sonoma 6 miles north of Bodega Bay Comment
  CAS-BOT-BC390994  Spergularia villosa Walter Knight; Irja Knight 1984-8-27 5085 Sonoma Near Gilardi Resort near Lakeville, along Petaluma River Comment
  RSA800145  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  CAS-BOT-BC502052  Stachys Peter Rubtzoff 1963-8-17 5231 Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC502060  Stachys Peter Rubtzoff 1974-6-9 7584 Sonoma Upper Green Valley Marsh Comment
  RSA179722  Stachys ajugoides J. T. Howell 1930-6-8 5228 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  UCD126021  Stachys bullata Author Unknown Date Unknown s.n. Sonoma exact location unknown. Comment
  UCD125541  Stachys chamissonis Frederica Bowcutt 1984-6-24 437 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg . W of Hwy 1. N of Gerstle Cove along creek. 15 Comment
  SEINET9339824  Stachys rigida var. quercetorum Unknown 2010-6-5 16246 Sonoma Sonoma Co., CA Comment
  CAS-BOT-BC361391  Stachys stricta Greg de Nevers 1993-8-8 10487 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa at Upper Skovie Spring (below Rd. T) 400 Comment
  UC25954 Image available Stachys stricta J. Burtt Davy 1894-6-18 Sonoma Knight's Valley; ; Knight's Valley, Sonoma Co. Comment
  CAS-BOT-BC175333  Stellaria borealis subsp. sitchana Milo S. Baker 1928-4-28 3011 Sonoma Pitkin Swamp Comment
  UCD166456  Stellaria media Peter Rubtzoff 1954-9-6 1736 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC397764  Stellaria media A. A. Heller 1902-6-10 1041 Sonoma Santa Rosa Comment
  CAS-BOT-BC397767  Stellaria media G. H. Mallory 1920-3-29 s.n. Sonoma East side of Rincon Valley; 6 mi from Santa Rosa. Comment
  RSA800341  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. Comment
  JEPS128186  Stellaria nitens Roger Raiche 2001-3-11 004 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD136267  Stephanomeria elata L. D. Gottlieb 1966-8-4 66115 Sonoma on Trinity road, 1/2 mile east of junction with Cavedale Road. 548 Comment
  UCD134104  Stephanomeria exigua subsp. coronaria Frederica Bowcutt 1995-11-19 2062 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. Along Bald Mtn. Trail between Vista and Red Mtn. trails. 579 Comment
  UCR255650  Stipa lepida Greg de Nevers 1997-4-24 10964 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  NY431575  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsburg Comment
  SEINET10508398 Image available Stipa pulchra A. Arthur Heller 1902-4-9 Heller 5252 Sonoma In a railroad cut three miles S of Healdsburg 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
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Apr 16 2007
  UC650315  Streptanthus barbiger F. W. Hoffman 1941-6-3 Sonoma Serpentine Island south watershed of Russian River Comment
  UCD164201  Streptanthus brachiatus N. Ivalu Cacho; Sharon Y. Strauss, Anna O'Brien 2011-8-18 IC-SS 274 Sonoma Pine Flat Road, at the top. Comment
  UCD72523  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma Audubon Mayacamas Mountains Wildlife Refuge, Pine Flat Road, 0.25 mile on left from parking area down unpaved road from gate. 853 Comment
  UCR67074  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1987-7-7 s.n. Sonoma Socrates Mine area, c. 9 mi. ENE of Geyserville. Serpentine barren c. 2 mi. west of Socrates Mine, at the 'Ivana Roland' transmission line tower 0.5 mi. south of Cadd Fire Trail. 854 Comment
  JEPS128312  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2000-5-21 105 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC87236  Streptanthus glandulosus subsp. hoffmanii A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero. Comment
  JEPS18148  Streptanthus glandulosus subsp. secundus Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5672 Sonoma headwaters of creek near Layton Chromite Mine (along and just above creek-bed); Big Austin Creek, vicinity of The Cedars 266 Comment
  UC1322476  Streptanthus glandulosus subsp. secundus Jerry Powell 1966-5-18 608 Sonoma two mi e Healdsburg (steep sw-facing outcrop next to road) Comment
  UC1492783  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-21 3397 Sonoma Coleman Valley North Coast Ranges Comment
  UC1492791  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-16 2346 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  UC985953  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-17 2343 Sonoma Red Slide at headwaters of creek North Coast Ranges, East Austin Creek Comment
  UC985961  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-7-30 1064 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Quicksilver Mine Comment
  UC1492787  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1931-5-24 3862 Sonoma a little w Blue Knoll (w of Cazadero); North Coast Ranges, Ungewitter Ranch Comment
  CAS-BOT-BC87299  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1929-6-30 4321 Sonoma 4 miles from Petrified Forest on road to Knights Valley. Comment
  UCD167364  Streptanthus morrisonii James Neilson Date Unknown 4058 Sonoma Creek northeast of Layton Mine buildings. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD168066  Streptanthus morrisonii James Neilson 1981-5-28 4032 Sonoma Mayacmas Mountains, Shell Well Site B. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site B was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UC1492805  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-6-30 3381 Sonoma along Gilliam Creek Gilliam Creek (a branch of East Austin Creek); North Coast Ranges, Gilliam Creek Comment
  CAS-BOT-BC267237  Stuckenia filiformis Peter H. Raven 1955-3-20 s.n. Sonoma 1 mile W of Schelville Comment
  CAS-BOT-BC269709  Symphoricarpos mollis D. E. Breedlove 1962-6-6 2900 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  RSA0036021  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC97816  Symphyotrichum chilense Peter Rubtzoff 1958-8-9 3826 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC98566  Symphyotrichum lentum F. G. Krauss 1893-10-8 s.n. Sonoma Mountains, Krauss Ranch Comment
  CAS-BOT-BC98571  Symphyotrichum lentum Peter Rubtzoff 1961-9-6 4734 Sonoma Laguna de Santa Rosa area northeast of Graton - Sonoma County Marshes Comment
  UC1119622  Symphyotrichum spathulatum H. S. Yates 1935-10-3 5346 Sonoma Santa Rosa Santa Rosa Quad. 53 Comment
  UC29898  Symphyotrichum spathulatum J. Burtt Davy 1897-9-19 4030 Sonoma Petaluma Marshes Comment
  CHSC63920  Taraxia ovata John Hale 1990-4-10 17 Sonoma 610 m. N. of Stillwater Cove. Meadow. 24 Comment
  UC570922  Tellima grandiflora H. L. Mason Jun 1930 5666 Sonoma mouth of Gualala River Comment
  POM127141  Thermopsis californica var. californica M. S. Baker 1899-05 s.n. Sonoma Forestville Comment
  CAS-BOT-BC66805  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6177 Sonoma Santa Rosa Canyon. Comment
  CAS-BOT-BC66820  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-4-14 5287 Sonoma Near Mark West Springs. Comment
  CAS-BOT-BC66825  Thysanocarpus curvipes P. B. Kennedy 1920-5-29 s.n. Sonoma Russian River. Comment
  RSA0057550  Thysanocarpus curvipes subsp. curvipes Milo S. Baker 1898-1 735 Sonoma Hills near Santa Rosa. Comment
  POM182665  Thysanocarpus curvipes var. curvipes D. D. Keck 1931-4-4 1098 Sonoma Santa Rosa Creek Canyon 225 Comment
  CAS-BOT-BC67338  Thysanocarpus radians Alice Griffin 1922-4-1 s.n. Sonoma El Verano. Comment
  CAS-BOT-BC67337  Thysanocarpus radians John Thomas Howell 1934-3-27 11804 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa. Comment
  RSA0049965  Thysanocarpus radians A. A. Heller, H. E. Brown 1902-4-8 5885 Sonoma Bennett Valley, Southeast of Santa Rosa. Comment
  UC11051  Thysanocarpus radians Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  POM192688  Tiarella trifoliata var. unifoliata H. P. Bracelin 1930-7-27 21 Sonoma One mile N. of Fort Ross. Comment
  UC71975  Tonella tenella Milo S. Baker May 1903 Sonoma Sonoma Creek Comment
  CAS-BOT-BC81460  Torreya californica Peter H. Raven 1954-2-27 6431 Sonoma Hooker Creek, Hoods Peak Range 457 Comment
  SBBG34159  Torreya californica L. M. Srivastava 1957-11-1 22 Sonoma Hwy 1, ca. 100 yards S of Fort Ross 30 Comment
  NY20762  Torreya californica M. S. Baker 1941-8-4 8592 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
  HSC3136  Toxicodendron diversilobum S. N. Wiemeyer 1962-4-13 8 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  UC2025087  Toxicoscordion fremontii Fayla Schwartz 1991-3-23 162 Sonoma Grassy hillside, east side of Highway 1 (mile 50.59) near the Sea Ranch, just south of Black Point Beach. Comment
  UCD139839  Toxicoscordion fremontii A. A. Heller; H. E. Brown 1902-3-14 5068 Sonoma near Windsor. Comment
  CAS-BOT-BC377109  Tragopogon porrifolius G. DeNevers 1981-5-2 919 Sonoma Pepperwood Ranch. At the National Ice Co., Santa Rosa. Also at River Road x 101 Comment
  SEINET9299121  Tragopogon porrifolius Unknown 1990-5-10 Sonoma Grassy meadow edge With Brassica, Plantago, Raphanus Comment
  UC424809  Tribulus terrestris Milo S. Baker 1929-7 4869 b Sonoma Kenwood; M.S. Baker residence, The Maples Comment
  SEINET6165684 Image available Trichostema lanceolatum Unknown 1982-7-1 s.n. Sonoma 2 mi N.E. of Occidental Sonoma Co. Comment
  HSC37861  Trichostema laxum Peter Sorensen 1976-7-30 Sonoma The Geysers, Big Sulphur Creek Comment
  UC1299469  Trichostema laxum Freed W. Hoffman 1946-8-14 787 Sonoma serpentine island E of Camp Meeker; North Coast Ranges Comment
  UCD158711  Trichostema laxum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Shell US Geothermal # 2. Elevation estimated by label maker. 792 Comment
  UCLA54887  Trichostema laxum Robert F. Hoover 1942-7-13 5917 Sonoma 3 mi S of Monte Rio Comment
  UCR50512  Trichostema laxum L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
  RSA107423  Trichostema laxum L. S. Rose 1955-7-11 55111 Sonoma 2 mi. E. of Occidental. 244 Comment
  SEINET3153534  Trichostema laxum M. S. Baker 1898-6-12 675 Sonoma Geysers Comment
  CHSC26442  Trientalis latifolia P. Kunst 1977-4-12 30 Sonoma 170 Comment
  RSA0089543  Trientalis latifolia Ann Howald 2015-4-28 3372 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 1..5 miles west of intersection with Rockpile Rd, Warm Springs drainage. 408 Comment
  UCD117594  Trientalis latifolia M. Wiesendanger 1927-5-5 738 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC166756  Trifolium Peter Rubtzoff 1974-5-26 7495 Sonoma Todd Road, 1.5 miles from hwy. 116 and 0.5 miles from Llano Road. Comment
  CAS-BOT-BC166759  Trifolium Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173533  Trifolium Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC173626  Trifolium Peter Rubtzoff 1974-5-19 7441 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC173629  Trifolium Peter Rubtzoff 1974-5-18 7430 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
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC1541590  Trifolium albopurpureum var. dichotomum H. E. and S. T. Parks 1930-5-9 621 Sonoma Knights Valley Comment
  UC764651  Trifolium amoenum R. F. Hoover 1941-5-14 5071 Sonoma 1 mi n Valley Ford Comment
  CAS-BOT-BC368054  Trifolium bifidum var. bifidum Greg de Nevers 1998-5-12 11251 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC494184  Trifolium bifidum var. bifidum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  UCD107904  Trifolium bifidum var. decipiens A. A. Heller; H. E. Brown 1902-4-15 5293 Sonoma Santa Rosa. Comment
  UCD107611  Trifolium buckwestiorum P. G. Connors 1995-6-11 350 Sonoma Bodega Head and Dunes. Cazadero, King Ridge Road. 292 Comment
  CAS-BOT-BC368062  Trifolium ciliolatum Greg de Nevers 1998-5-26 11260 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UC573316  Trifolium ciliolatum B. Schreiber 1936-3-5 2211 Sonoma 2 mi w Mark West Springs; Healdsburg quad 121 Comment
  UCD35303  Trifolium depauperatum Beecher Crampton 1955-4-5 2408 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  SEINET6934959  Trifolium depauperatum var. amplectens A. G. Vestal, Wanda P. Vestal 1962-4-12 s.n. Sonoma Mark West Springs road toward Calistoga, 6.4 miles northeast of Route 101 or 10 miles north of Santa Rosa. 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
  UCD150836  Trifolium depauperatum var. truncatum 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
  UCSC010687  Trifolium dichotomum R. Morgan 1995-5-18 2612 Sonoma Serpentine outcrop 4 miles up Coleman Valley Road from Occidental Comment
  UC631613  Trifolium fucatum P. B. Kennedy 1928-5-13 10151 Sonoma Sonoma to San Rafeal hwy Comment
  UCD109024  Trifolium fucatum P. B. Kennedy 1929-5-24 10295 Sonoma Between Cazadera and Seaview. Comment
  UCD143716  Trifolium grayi Freed W. Hoffman 1947-4-7 1937 Sonoma near Windsor. Comment
  UCD165136  Trifolium hydrophilum Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD109139  Trifolium hydrophilum P. G. Connors 1996-5-6 364 Sonoma 8 km S of Sonoma, W of Sonoma Creek, Viansa Wetlands. Comment
  RSA633344  Trifolium incarnatum Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8170 Sonoma Cloverdale. Along S. Cloverdale Blvd., just off Rt. 101 exit. Comment
  UCD111372  Trifolium microcephalum P. G. Connors 1995-6-2 347 Sonoma Near old Gaffney ranch house site, near BML housing. Comment
  UC16646  Trifolium microdon Harley P. Chandler 1900-5-25 682 Sonoma Bodega Comment
  OBI78218  Trifolium microdon Joseph Anderofer Ewan 1935-5-13 9274 Sonoma 3 mi W of Santa rosa on Sebastopol rd Comment
  UCD38485  Trifolium pratense Beecher Crampton 1955-6-17 2935 Sonoma 1/2 mile south of Guerneville. Comment
  RSA0079934  Trifolium repens Greg de Nevers 1998-6-20 11289 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 100 Comment
  CAS-BOT-BC368098  Trifolium striatum Greg de Nevers 1998-5-12 11245 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Skovie 400 Comment
  SEINET10577407  Trifolium tridentatum var. tridentatum William H. Brewer 1862-4-17 Brewer 981 Sonoma Sonoma Valley, in a field. Comment
  UCSC006256  Trifolium variegatum Randall Morgan 1995-6-8 2753 Sonoma Petaluma, Field opposite Lincoln School on Wilson Hill Rd. near Petaluma Rd. Comment
  RSA51332  Trifolium variegatum var. variegatum Peter H. Raven 1950-4-6 1609 Sonoma Lower slopes of Rincon Ridge, 4 miles to Sonoma from Santa Rosa. 244 Comment
  UC1541598  Trifolium wormskioldii H. E. and S. T. Parks 1930-5-10 848 Sonoma Knights Valley 152 Comment
  CDA28069  Trifolium wormskioldii M. S. Bergseng 1959-8-4 3809 Sonoma Sonoma Coast State Park. 0 Comment
  CAS-BOT-BC451944  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay 1 Comment
  UC1084348  Trillium albidum G. Thomas Robbins 1937-3-25 2 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  SEINET5083020  Trillium ovatum Unknown 1994-4-3 70 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  SEINET6987687  Triphysaria pusilla W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Maritime grassland 5 miles north of Fort Ross. 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
  UC1334870  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-5-4 468 Sonoma 0.1 mi w of junction of Petaluma-Valley Ford road with Tomales-Petaluma road Comment
  UC726087  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1941-5-4 16089 Sonoma two mi e Shellville Comment
  UC27195  Triphysaria versicolor subsp. faucibarbata State Survey 1800-1 6574 Sonoma Coast n Noyo; Coast n of Noyo Comment
  CAS-BOT-BC200095  Trisetum canescens P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar Comment
  JEPS45810  Trisetum canescens Eleanor Armstrong 1932-5-25 172 Sonoma near Camp Meeker 137 Comment
  RSA784397  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCD93497  Trisetum canescens Beecher Crampton 1955-6-17 2948 Sonoma 4.5 miles S of Cazadero. Comment
  UCR141951  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma North Coast Range, 3.3 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  UCD93589  Trisetum canescens Freed W. Hoffman 1944-5-22 1995 Sonoma Cruz Ranch near Sonoma Coast. Comment
  CAS-BOT-BC522355  Triteleia hyacinthina Peter Rubtzoff 1961-6-17 4621 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC522368  Triteleia hyacinthina H. C. Cantelow 1936-5-3 s.n. Sonoma Between Shellville and El Verano Comment
  SEINET12044741  Triteleia hyacinthina Michener, Bioletti 1893-1 s.n. Sonoma Kenwood Comment
  UC421767  Triteleia hyacinthina R. L. Pendleton 1906-5-24 356 Sonoma Kenwood Saratoga 144 Comment
  UCR18634  Triteleia laxa John C. Roos 1950-7-22 4866 Sonoma Jenner 30 Comment
  CAS-BOT-BC527032  Triteleia laxa Peter Rubtzoff 1952-6-10 1199 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC527975  Triteleia peduncularis Peter Rubtzoff 1964-6-20 5363 Sonoma Laguna de Santa Rosa southwest of Sabastopol (nr. Cooper Rd.) Comment
  CAS-BOT-BC80205  Tsuga heterophylla B. F. Smith 1962-10-24 29 Sonoma 3.5 miles southeast of Gualala 182 Comment
  UCD94671  Typha domingensis Frederica Bowcutt 1997-7-18 2183 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  RSA94265  Typha latifolia Peter Rubtzoff 1951-8-4 572 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC208025  Ulex europaeus A. A. Heller; H. E. Brown 1902-3-22 5126 Sonoma Among redwood trees West of Sebastopol Comment
  NY643593  Ulex europaeus A. A. Heller 1902-3-22 5126 Sonoma West of Sebastopol Comment
  UCD108657  Ulex europaeus T. I. Storer 1930-6-24 2153 Sonoma Near Bodega. Comment
  CDA15846  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11462 Sonoma Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway. 518 Comment
  CAS-BOT-BC382824  Uropappus lindleyi G. DeNevers 1981-4-25 835 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  UC1010428  Urtica dioica subsp. gracilis Leo Koch 1940-4-16 9544 Sonoma Highway between Salmon Creek and Wright's Beach Comment
  CAS-BOT-BC404233  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road) Comment
  CAS-BOT-BC404236  Urtica dioica subsp. holosericea Peter Rubtzoff 1962-9-16 5088 Sonoma Vacation Beach, 1.5 miles below Guerneville Comment
  CAS-BOT-BC404239  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-8-2 1624 Sonoma Duncans Mills Marsh Comment
  SEINET177097  Urtica dioica subsp. holosericea Marcus E. Jones 1882-7-17 3488 Sonoma Duncan Mills. Comment
  CAS-BOT-BC391314  Vaccaria hispanica Miss May 1886-6-15 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC199472  Vaccinium parvifolium L. R. Abrams 1920-7-3 7595 Sonoma Gualala River Comment
  CAS-BOT-BC76065  Vancouveria planipetala Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  CAS-BOT-BC76163  Vancouveria planipetala J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC76170  Vancouveria planipetala Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  RSA289507  Vancouveria planipetala Edward Lee 1936-6-8 2216 Sonoma Smith Creek Road, Bohemian Grove. Comment
  UC1479609  Vancouveria planipetala Roy Y. Berg 1964-5-10 RYB 8096 Sonoma along Hwy 12 Russian River Valley 1 mi below sideroad to Occidental; Russian River Valley Comment
  POM64648  Verbena lasiostachys var. lasiostachys A. A. Heller 1902-6-27 5785 Sonoma West of Windsor near Russian river. Comment
  UCD164993  Veronica Peter Rubtzoff 1974-9-7 7867 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCR244665  Veronica Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC269311  Veronica Peter Rubtzoff 1971-5-8 6429 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD148336  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166804  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC166807  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  RSA264766  Veronica anagallis-aquatica Peter Rubtzoff 1956-9-16 2920 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC262807  Veronica scutellata Peter Rubtzoff; Nancy Harrison 1978-5-20 9185 Sonoma Cunningham Marsh Area, on north side of Blucher Creek Valley. Comment
  UCR255466  Veronica scutellata Ann Howald 2014-5-2 3002 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  RSA0021073  Veronica scutellata Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  POM17347  Vicia gigantea A. A. Heller, H. E. Brown, A. H. Heller 1902-4-11 8210 Sonoma Bodega Bay Comment
  UCD108855  Vicia sativa subsp. nigra Botany 102 Students 1993-4-24 79 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. Hillside Trail near beginning of trail S of Sonoma Creek. 381 Comment
  JEPS87243  Vicia sativa subsp. sativa Jack and Betty Guggolz 1991-5-27 1157 Sonoma s of s end Meyers Grade (between Hwy 1 and the ocean) 182 Comment
  UCR198231  Vicia villosa Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .274 Sonoma Cavesdale Road 518 Comment
  RSA77970  Vicia villosa Verne Grant, Alva Grant, Adele Lewis Grant 1947-5-4 7959 Sonoma Sebastopol to Santa Rosa Comment
  UC1742246  Viola Milo S. Baker 1909-1 Sonoma Brookside Garden Comment
  UC1761569  Viola douglasii Helen Von Grafen 1927-3-25 Sonoma Santa Rosa golf course Comment
  UC35304  Viola glabella J. Burtt Davy 1896-3-13 1653 Sonoma Cazadero Comment
  CAS-BOT-BC536902  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  UC1762531  Viola lobata Milo S. Baker 1947-5-5 11714 Sonoma Hod [Hood?] Mt., near Grant Line Comment
  CAS-BOT-BC536964  Viola lobata Milo S. Baker 1926-3-31 164 C Sonoma Triniti Road 1 mi from Hyhway[?] Comment
  UC1762485  Viola lobata subsp. lobata Milo S. Baker 1942-6-11 10206 Sonoma Spring Mt. Rd. near summit 45 Comment
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  UC1010429  Viola ocellata Leo Koch 1939-4-8 497 Sonoma Baxman Ranch near Plantation; North Bay, Baxman Ranch Comment
  UC1762265  Viola ocellata Leo Koch 1939-4-8 497 Sonoma Boxman Ranch near Plantation Comment
  UC337758  Viola ocellata unknown 1892-5-4 Sonoma Armstrong Park near Guerneville; Armstrong Park Comment
  UC1761303  Viola sempervirens Mary Eloise Bauder 1929-6-4 4 Sonoma Pocket Canyon Guerneville Comment
  UC455410  Viola sempervirens I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC496478  Viola sempervirens Merle Randall 1930-8-6 Sonoma Cazadero Comment
  SEINET11996124  Viola sempervirens F. H. Utech 1988-1 88 -009 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  CAS-BOT-BC135290  Viscum album Stanley Rose 1966-1-2 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CAS-BOT-BC135294  Viscum album D. Wiens; R. Scharpf 1973-6-17 4900 Sonoma Sebastopol, in and around the town Comment
  CAS-BOT-BC135297  Viscum album William O. McCartney 1966-5-4 s.n. Sonoma in a residential property, NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  UC1312954  Viscum album William O. McCartney 1966-5-4 Sonoma nw corner of Mill Station Road and Gravenstein North Highway Sebastopol Comment
  SEINET3825247 Image available Viscum album Stanley Rose 1966-1-2 Sonoma 1 miles from Sebastopol on Gravenstein Highway North Comment
  CAS-BOT-BC203132  Vitis californica H. E. McMinn 1922-6-7 188 Sonoma Stream entering Russian River - 2 1/2 mi. from Cosmo Comment
  CAS-BOT-BC199913  Vulpia bromoides Peter Rubtzoff 1959-6-20 4188 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC199916  Vulpia bromoides Peter Rubtzoff 1957-5-11 3346 Sonoma Occidental Marsh Comment
  UCD93558  Vulpia bromoides Gerry North Apr - May 1993 16 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC361284  Vulpia microstachys var. pauciflora Greg de Nevers 1997-4-24 10963 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD94897  Vulpia myuros David L. Morgan 1956-4-19 s.n. Sonoma Gold Ridge Rd., 4 miles W of Sebastopol. Comment
  CAS-BOT-BC185833  Vulpia myuros subsp. megalura A. A. Heller 1902-4-9 5250 Sonoma In a railroad cut three miles south of Healdsburg Comment
  UC1023601  Vulpia myuros var. hirsuta Virginia Bufford 1936-5-20 303 Sonoma 3 to 4 mi from Redwood Highway (Mark West Rd) Comment
  CAS-BOT-BC178600  Vulpia myuros var. myuros G. De Nevers 1981-5-26 1328 Sonoma Garrison Canyon - Pepperwood Ranch Comment
  CAS-BOT-BC128701  Whipplea modesta Volney Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  UC1377733  Whipplea modesta W. J. Dress 1954-5-1 2987 Sonoma along Route 1 about 1.5 mi s Gualala Comment
  UC73119  Whipplea modesta Milo S. Baker 1899-6-28 Sonoma near Duncans; Russian River Comment
  UCD166106  Woodwardia Peter Rubtzoff 1971-9-3 6700 Sonoma Southeastern border of Spring Creek Reservoir area. Comment