Search Results — 2000 specimen records retrieved (1261 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD41414  Abronia latifolia Edith A. Purer 1932-7-24 4089 Sonoma Near Bodega Bay Comment
  UCD109786  Abronia latifolia Eric S. Nagy 1990-5-18 s.n. Sonoma Bodega Head, first dune ridge W of harbor along road, E of marine lab dorms, Bodega Bay. Comment
  CHSC1074  Abronia maritima A. Small 1954-6-4 Sonoma Doran Park. Comment
  UCD109803  Abronia umbellata Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC203227  Abutilon Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC332753  Acer macrophyllum Peter Rubtzoff 1980-5-26 9449 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  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
  SEINET10721470 Image available Achillea arenicola A. Arthur Heller 1902-5-27 Heller 5608 Sonoma Bodega Bay Comment
  SEINET11842967  Achillea borealis subsp. californica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -228 Sonoma end of Stoetz Road 200 Comment
  UC496396  Achillea millefolium Merle Randall 1930-6-10 Sonoma shore above mouth Russian River Comment
  JEPS47752  Achlys triphylla subsp. triphylla Alice Louise Griffin 1924-8-7 Sonoma Stewart's Point Comment
  UCD151201  Achnatherum lemmonii James A. Neilson Jr. 1974-7-10 2818 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  CAS-BOT-BC166797  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC65343  Achyrachaena mollis A. A. Heller 1902-4-16 5304 Sonoma Santa Rosa Comment
  UC88432  Achyrachaena mollis W. E. Bryant Sonoma Healdsburg Comment
  UCD165139  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD104090  Acmispon brachycarpus Patti Togioka; R. Waraich 1993-5-8 207 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 about 2 air miles S of Bald Mtn. 365 Comment
  OBI12974  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9288 Sonoma Timber cove Comment
  UCD104289  Acmispon parviflorus Botany 102 Students 1993-4-24 93 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail, S of Sonoma Creek. 411 Comment
  UCD128405  Adenocaulon bicolor Frederica Bowcutt 1994-6-12 1873 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 just south of Adobe Canyon Road. Western trail ahead for Canyon Trail. 274 Comment
  CAS-BOT-BC65529  Adiantum aleuticum Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  JEPS128375  Adiantum aleuticum Roger Raiche 2000-5-5 092 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC65685  Adiantum jordanii Walter Knight; Irja Knight 1964-2-16 524 Sonoma Mill Creek Road Comment
  HSC939  Adiantum jordanii H. E. Parks, S. T. Parks 1930-5-9 623 Sonoma Alexander Valley Comment
  CDA1673  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  RSA0065937  Aegilops triuncialis Greg de Nevers 1989-04 9066 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  OBI70692  Aesculus californica Tracey & Viola Call, Viola Call 1961-6-10 2072 Sonoma On Russian river near Forestville 61 Comment
  RSA785736  Aesculus californica Carrie A. Herd 1982-4-25 84 Sonoma Crane Creek Regional Park Comment
  SEINET1908065  Aesculus californica Lewis S. Rose 1968-1 58116 Sonoma Rincon Valley, Brush Creek, ne of Santa Rosa 122 Comment
  SEINET265728  Aesculus californica Royal D. Suttkus 1967-6-25 67- 29 -1 Sonoma 4.4 miles SE of Alexander Valley. Comment
  UCD136676  Aesculus californica Frederica Bowcutt 1994-6-12 1865 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  UC26071  Agastache urticifolia J. Burtt Davy Aug., 1896 4135 Sonoma Russian River betw Russian River sta. and Guerneville; Russian River 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
  CAS-BOT-BC183  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  RSA178622  Agoseris apargioides var. eastwoodiae Roxana S. Ferris 1932-5-27 8258 Sonoma Cliffs at upper end of Bodega Bay Comment
  SD99422  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Creek Road, 8.6 miles west of Geyserville. 89 Comment
  UC29384  Agoseris retrorsa H. N. Bolander 1864-1 3956 Sonoma at Geysers Comment
  CAS-BOT-BC210000  Agrostis Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC210011  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh Comment
  RSA785933  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh. Comment
  UCD166325  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UCD92440  Agrostis Beecher Crampton 1955-6-17 2942 Sonoma 4.5 miles S of Cazadero. Comment
  RSA129634  Agrostis H. S. Yates 1936-4-3 5574 Sonoma 1 mile NE of Petrified Forest. 305 Comment
  CAS-BOT-BC127548  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  UCD51834  Agrostis blasdalei Freed W. Hoffman 1943-5-16 2208 Sonoma Death Rock, Bodega Park, Sonoma Coast. Comment
  UCR119036  Agrostis clivicola Beecher Crampton 1957-7-11 4336 Sonoma Central Coast, 1.7 miles north of Salmon Creek, Sonoma Coast State Park along State Highway 1 30 Comment
  CHSC100546  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma 0.5 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UC1146602  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach North Coast Ranges Comment
  UCD37150  Agrostis densiflora Beecher Crampton 1957-7-11 4328 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51891  Agrostis densiflora Beecher Crampton 1957-7-22 4397 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. Comment
  OBI22541  Agrostis exarata Robert F. Hoover 1966-7-17 9415 Sonoma Sausal Crk N of Alexander Valley Comment
  UC1130662  Agrostis exarata H. S. Yates 1937-6-6 6582 Sonoma 5 mi ne Duncan Hills; Sebastopol Quadrangle Comment
  UCD38727  Agrostis exarata Beecher Crampton 1957-7-11 4298 Sonoma 1.4 miles southeast of Bodega Bay. Along State Hwy. 1. Comment
  UCD52078  Agrostis exarata Beecher Crampton 1959-6-16 5391 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UCD53506  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD37347  Agrostis hallii Beecher Crampton 1959-6-16 5376 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  UCD37348  Agrostis hallii Beecher Crampton 1959-6-16 5379 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  UCD38726  Agrostis hallii Beecher Crampton 1957-7-11 4300 Sonoma 1.4 miles southeast of Bodega Bay. Comment
  UCD52701  Agrostis hallii Beecher Crampton 1955-6-17 2958 Sonoma 6 miles west of Cazadero, road to Fort Ross. Comment
  SEINET3916556  Agrostis hallii Fred W. Hoffman 1941-6-28 2067 Sonoma Sonoma Mountain road.; 0 Comment
  UCD84282  Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  RSA94289  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Uppermost part of the western branch of the Uppper Marsh Comment
  SEINET4341234  Agrostis oregonensis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  CDA21566  Agrostis pallens D. G. Kelch 2003-7-14 3 .382 Sonoma Cavedale Road. Comment
  UCD53168  Agrostis pallens A. A. Beetle; G. L. Stebbines Jr. 1942-6-4 3568 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC138598  Agrostis stolonifera Walter Knight; Irja Knight 1963-8-13 388 Sonoma Horseshoe Cove. Comment
  UCD53528  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. Comment
  UCR133544  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Coast, 5 miles south of Stewart's ('Steward') Point 24 Comment
  CDA20550  Agrostis viridis A. McVicker 2005-6-6 PDR 1349309 Sonoma Winkler Water Gardens at 1925 Fulton Road, Santa Rosa. 0 Comment
  UC50680  Aira Michener and Bioletti May 1892 Sonoma S. Los Guilicos Comment
  RSA316038  Aira caryophyllea Patricia Wilder 1934-6-10 3634 Sonoma 1.0 mile N of Jenner on California state Hwy 1.North coast 23 Comment
  UCD55793  Aira caryophyllea var. capillaris M. Wiesendanger 1927-5-5 712 Sonoma Sonoma. Comment
  CAS-BOT-BC138210  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1960-5-18 4372 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC445333  Alisma lanceolatum Peter Rubtzoff 1958-9-20 3993 Sonoma Laguna de Santa Rosa northeast of Graton (1/2 mi. north of Guerneville Rd.). Comment
  CAS-BOT-BC445465  Alisma triviale Peter Rubtzoff 1958-8-16 3874 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC445475  Alisma triviale Peter Rubtzoff 1980-8-23 9619 Sonoma Marin-Sonoma county line. San Antonio Creek on east side of Hwy. 101 crossing. On Marin County side of the creek. Comment
  CAS-BOT-BC368055  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Franz Valley Road 400 Comment
  CAS-BOT-BC462390  Allium amplectens Greg de Nevers 1992-5-21 10154 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road; Windy Valley Lake 475 Comment
  POM231288  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of mouth of Salmon Creek. Comment
  SEINET3884472  Allium dichlamydeum D. W. McNeal 1968-6-15 411 Sonoma 13.3 mi. n. of Fort Ross.; 0 Comment
  SEINET5502059 Image available Allium dichlamydeum Sally Walker 1982-1 s.n. Sonoma Duncans landing Comment
  UCD150551  Allium dichlamydeum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-1 s.n. Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC909763  Allium peninsulare var. franciscanum Milo S. Baker 1950-5-20 12222 Sonoma sw Kenwood (Wood road n of (opposite) old Chamberlain ranch); Hope Valley Comment
  CAS-BOT-BC475434  Allium sativum Mary P. Wells 1985-7-1 523 Sonoma Dike of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CDA19075  Allium triquetrum G. Bjork 2001-4-4 PDR 117291 Sonoma North Coast Ranges; on Copperfield Ct., Santa Rosa. 0 Comment
  UC1133839  Allium unifolium H. S. Yates 1934-4-22 3835 Sonoma 2 mi ne Fulton; Calistoga Quadrangle Comment
  CAS-BOT-BC474310  Allium unifolium Peter Rubtzoff 1958-5-10 3646 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  CAS-BOT-BC169362  Alnus rubra Peter Rubtzoff 1962-7-14 4998 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  SEINET177062  Alnus rubra M. E. Jones 1882-7-17 3484 Sonoma Duncan's Mills Comment
  CAS-BOT-BC138051  Alopecurus aequalis var. sonomensis John Thomas Howell 1945-5-30 20899 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC258026  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  CAS-BOT-BC135665  Amelanchier utahensis Greg de Nevers 1987-4-25 8156 Sonoma Pepperwood Ranch Natural Preserve, 3500 Rranze Valley Rd., Santa Rosa 400 Comment
  UCR255685  Amelanchier utahensis Greg de Nevers 1998-4-27 11198 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  CAS-BOT-BC137883  Ammophila arenaria W. M. Hiesey 1945-9-21 s.n. Sonoma Bodega sand dunes. Comment
  UC1146688  Ammophila arenaria Freed W. Hoffman 1941-6-22 2086 Sonoma North Coast Ranges, Sonoma Coast, Death Rock Beach Death Rock Beach; North Coast Ranges, Sonoma Coast, Death Rock Beach Comment
  CAS-BOT-BC177231  Amorpha californica var. napensis Brandegee 1893-7-1 s.n. Sonoma Cazadero Comment
  JEPS87225  Amorpha californica var. napensis Jack and Betty Guggolz 1992-5-9 1282 Sonoma 1/2 mi nw Buzzard Peak (ne of Santa Rosa) 271 Comment
  POM252870  Amorpha californica var. napensis A. A. Heller 1902-6-24 s.n. Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC222277  Amsinckia John Thomas Howell 1934-3-25 11778 Sonoma Lakeville Comment
  RSA0089978  Amsinckia helleri J. T. Howell 1948-4-18 24208 Sonoma Hills east of Agua Caliente. Comment
  UC1178201  Amsinckia intermedia Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1122 Sonoma on road to Calistoga (2.9 mi n of junction with Hwy #12, junction e of Santa Rosa) Comment
  RSA0089717  Amsinckia intermedia L. S. Rose 1952-4-18 62027 Sonoma Petaluma. 6 Comment
  UC79320 Image available Amsinckia lycopsoides Katharine Brandegee 1905-6-25 Sonoma Bodega Head Comment
  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
  UC1084537  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 -1 Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  SEINET12337128  Amsinckia spectabilis C. Best, Irja, W.; Knight, T. 1991-1 6601 Sonoma Bodega Marine Preserve Comment
  HSC17830  Anagallis arvensis S. N. Wiemeyer 1962-4-20 25 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD15058  Anagallis arvensis James Aronson 1977-4-15 19 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road along Skaggs Springs Road; Comment
  UCD128838  Anaphalis margaritacea Mary M. Hektner 1976-9-16 270 Sonoma below west half of Yardarm Drive, Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC137819  Andropogon glomeratus var. pumilus F. W. Hoffman 1943-6-17 s.n. Sonoma Guerneville. Comment
  UCD56062  Andropogon glomeratus var. pumilus Virginia Bufford 1936-8-18 413 Sonoma Pitkins Marsh, Vine Hill District. Comment
  CAS-BOT-BC137787  Andropogon virginicus var. virginicus John Thomas Howell; J. W. Stacy 1936-7-26 12671 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC221433  Angelica hendersonii Walter Knight; Irja Knight 1963-8-13 304 Sonoma Harrison Grade Comment
  UCD161384  Angelica tomentosa James A. Neilson Jr.; Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mountains. Ca. 1 1/2 miles northeast of the junction of Socrates Mine Road and Pine Flat Road. (Coordinates and location estimated by label maker.) 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-BC102234  Anthemis cotula Greg de Nevers 1987-5-11 8175 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC173666  Anthemis cotula Peter Rubtzoff 1958-8-9 3834 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  HSC8926  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma Along Hwy. 101, N of Windsor Comment
  SDSU737  Anthoxanthum odoratum D. F. Howe 1963-7-3 3594 Sonoma 20 miles north of junction of Highway 12 and Highway 1 Comment
Read comments
Oct 11 2011
  UC576279  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mi e of Duncan Mills 91 Comment
  SEINET3918446  Anthoxanthum odoratum Fred W. Hoffman 1941-6-15 2150 Sonoma North Coast Ranges. Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  UC444972  Antirrhinum vexillocalyculatum subsp. breweri Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6010 Sonoma Cazadero Comment
  UC1238996  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Freed W. Hoffman 1947-5-23 535 Sonoma near Guerneville (Gabe's Rock, Pool Ridge); North Coast Ranges, Pool Ridge, Gabe's Rock Comment
  UC192792  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum unknown 1880-7 Sonoma Petaluma Comment
  POM14616  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum A. A. Heller 1902-6-28 5788 Sonoma Between Knight's Valley and Mark West Springs. Comment
  POM14617  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC353924  Apiastrum angustifolium Milo S. Baker 1928-3-24 2725 b Sonoma 5 mi w of Healdsburg (Jensen Ranch); Jensen Ranch Comment
  POM129966  Apocynum X floribundum M. Alice King 1897-06 s.n. Sonoma Near Healdsburg Comment
  UC465565  Aquilegia Milo S. Baker 1903-10-1 Sonoma along grade to Clayton Place Hood Mt. Comment
  CAS-BOT-BC394994  Aquilegia formosa Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC394996  Aquilegia formosa A. A. Heller; H. E. Brown 1902-4-11 5274 Sonoma Bodega Bay Comment
  UCD128215  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC128618  Arbutus menziesii Peter Rubtzoff 1951-8-18 615 Sonoma Uppermost part of the western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  POM367169  Arbutus menziesii Christopher Davidson 1977-6-20 6014 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UCD67496  Arbutus menziesii D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville-Jimtown. Gird Creek. 350 Comment
  CHSC69208  Arctostaphylos James D. Jokerst 1989-4-14 3098 Sonoma Healdsburg Area A Specific Plan Study, in project area, NE corner of project area. Comment
  JEPS98814  Arctostaphylos James B. Roof, Walter Knight, Irja Knight 1967-3-19 Sonoma near Pitkin Marsh (Jones Christmas Tree Farm, near Vine Hill Road) Comment
  RSA629211  Arctostaphylos Jon E. Keeley 1993-9-11 24779 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629225  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388328  Arctostaphylos Freed W. Hoffman 1947-4-3 667 Sonoma near Healdsburg (headwaters of creek); North Coast Ranges, Wild Hog Ridge, Mill Creek Comment
  UC1388338  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 513 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  CAS-BOT-BC24079  Arctostaphylos bakeri Catherine Best 1986-2-9 1161 Sonoma Stoetz Lane about 3 miles northeast of Occidental. 213 Comment
  CAS-BOT-BC24080  Arctostaphylos bakeri Catherine Best 1986-2-9 1161 Sonoma Stoetz Lane about 3 miles northeast of Occidental. 213 Comment
  CAS-BOT-BC24125  Arctostaphylos bakeri Roger Raiche 1985-9-29 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill. 121 Comment
  CHSC67490  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. 121 Comment
  OBI14770  Arctostaphylos bakeri H. E. McMinn 1936-4-5 4409 Sonoma About 2 mi N of Occidental Comment
  UC1120876  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1562 A Sonoma 1/2 mi nw Trenton; Sebastopol Quadrangle Comment
  UC1120877  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 707 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC1281479  Arctostaphylos bakeri H. E. McMinn 1936-4-5 4409 Sonoma two mi n Occidental Comment
  UC549711  Arctostaphylos bakeri J. E. Adams 1935-3-1 1031 Sonoma Occidental Comment
  CDA38593  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. Comment
  SEINET11998395  Arctostaphylos bakeri Unknown 1986-1 60001 Sonoma NE of Healdsburg, Reservoir Hill 122 Comment
  RSA622708  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24708 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  CDA31371  Arctostaphylos canescens D. G. Kelch, Ed Biffin 2010-5-3 10 .202 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  RSA622723  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24768 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA622724  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24767 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC23969  Arctostaphylos canescens subsp. canescens Milo S. Baker Fall 1936 9782 Sonoma Top of Hood's Peak Comment
  POM203044  Arctostaphylos canescens subsp. canescens J. T. Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point. Comment
  UC1349410  Arctostaphylos canescens subsp. canescens Milo S. Baker 1942-8-11 8655 A Sonoma Comment
  UC1388355  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1946-8-20 868 Sonoma at quarry North Coast Ranges, Napa Range (Trinity Road, w slope of range) Comment
  RSA177966  Arctostaphylos canescens subsp. sonomensis R. F. Thorne 1965-4-20 34387 Sonoma Robert Sone's place on Rock Ridge Lane- Montecito Ave. on Rincon Ridge, Santa Rosa. 106 Comment
Read comments
Aug 10 2011
  UC909881  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1025 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UC876542  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1936-10 8622 Sonoma halfway to summit Rutherford-Glen Ellen Road Comment
  SEINET11998365  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I.; Wells, P. V. 1985-1 6376 Sonoma Santa Rosa, Rincon Ridge, Montecito Drive & Rockridge Road, Finley property 122 Comment
  CAS-BOT-BC23601  Arctostaphylos columbiana Carl B. Wolf 1927-9-2 1343 Sonoma 2 miles south of Anchor Cove. Comment
  CAS-BOT-BC23604  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23646  Arctostaphylos columbiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast mountains near Kachia Rancheria, about 5 miles east of Stewarts Point Comment
  CAS-BOT-BC23647  Arctostaphylos columbiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast mountains near Kachia Rancheria, about 5 miles east of Stewarts Point Comment
  UC424786  Arctostaphylos columbiana Milo S. Baker 1929-7-16 3621 c Sonoma nw Inverness (near Hiway) Comment
  UC424788  Arctostaphylos columbiana Milo S. Baker 1929-11-16 3728 b Sonoma hwy between Stewart's Point and Fort Ross Comment
  UCD50753  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-13 496 Sonoma 0.1 mile north of Timber Cove, east of State Highway 1. Comment
  CAS-BOT-BC23640  Arctostaphylos columbiana Mary P. Wells; Mary Rhyne; John Madison 1985-11-4 694 A Sonoma About half mile south of Gualala River Comment
  CAS-BOT-BC24976  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3856 Sonoma In a ditch along Vine Hill Road across from McConnell's place. Comment
  CAS-BOT-BC24977  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3858 Sonoma From California Native Plant Society's Preserve on Vine Hill School Road. Near Graton. Comment
  CAS-BOT-BC25019  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC25021  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma At roadside; Vine Hill School Road, 0.1 mile E of junction with Vine Hill Road, ca. 10 miles W of Santa Rosa. Comment
  OBI14750  Arctostaphylos densiflora H. E. McMinn 1936-4-5 4412 Sonoma Just W of Vine HIll School, 16 mi W of Santa Rosa Comment
  UCD50800  Arctostaphylos densiflora Roman Gankin 1966-3-3 693 Sonoma Vine Hill School Road, ca. 10 miles west of Santa Rosa. Comment
  UCSB23053  Arctostaphylos densiflora McMinn, Howard 1936-4-5 Sonoma Just west of Vine Hill School, 16 miles west of Santa Rosa Comment
  CDA38592  Arctostaphylos densiflora T. C. Fuller 1958-5-24 3997 Sonoma Vinehill District. 0 Comment
  SEINET11991012  Arctostaphylos densiflora W. Knight, Knight, I.; Knight, T. 1983-1 4766 Sonoma California Native Plant Society manzanita preserve on Vine Hill School Rd Comment
  UCSB12556  Arctostaphylos densiflora Huot, J. 1961-3-25 Sonoma 4 miles east of Healdsburg, along north side of Highway 101 on roadbanks 30 Comment
  CAS-BOT-BC23281  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1963-9-1 261 Sonoma Pine Mt. Rd., NE Cloverdale, Harold Smith Ranch. Comment
  CAS-BOT-BC23284  Arctostaphylos glandulosa subsp. cushingiana Mary P. Wells 1985-10-4 669 Sonoma ca. 1 mile south of Gualala River Comment
  CAS-BOT-BC24676  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma 5 mi. n. of Cazadero. Comment
  CAS-BOT-BC24677  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Steve Edwards 1986-3-23 5366 Sonoma On Geysers Rd. near Mercuryville at junction of private road ro Sulphur Peak. 822 Comment
  JEPS79450  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-7 2198 Sonoma s ridge Bohemian Grove (fire trail) Comment
  UC1281370  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1936-4-4 4384 Sonoma R. L. Stevenson Monument Mt. St. Helena Comment
  RSA631198  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24728 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD59408  Arctostaphylos hispidula Roger Raiche 1984-2-3 RR 40016 Sonoma Rockpile Road, 9.1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  CAS-BOT-BC39110  Arctostaphylos hispidula Roger Raiche 1984-2-3 40028 Sonoma Kelly road northwest of Mt. Tom (5.3 miles northwest from its origin at Roackpile Road) 533 Comment
  UCSB24400  Arctostaphylos hispidula McMinn, H. 1936-4-5 Sonoma Two miles east of Occidental Comment
  CAS-BOT-BC24404  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4762 Sonoma The Cedars, Twitchell Ranch. 243 Comment
  CDA37441  Arctostaphylos manzanita D. G. Kelch, T. McGregor 2010-8-22 10 .342 Sonoma Geyser Peak Rd. Comment
  LA42192  Arctostaphylos manzanita H. F. Copeland; 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 mi. E of Santa Rosa Comment
  RSA633058  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  SBBG119553  Arctostaphylos manzanita C. Bornstein, E. Collins 2006-8-24 Sonoma Rincon Ridge Park Sensitive Area, Park Gardens Drive off Rincon Ridge Drive 259 Comment
  OBI14641  Arctostaphylos manzanita Robert F. Hoover 1963-1-12 8548 Sonoma Triniti rd, Hoods Peak Range Comment
  RSA202113  Arctostaphylos manzanita Freed W. Hoffman 768 Sonoma Del Preti Hill, headwaters of Fife Creek, near Guerneville. Comment
  RSA202114  Arctostaphylos manzanita Freed W. Hoffman 1948-04 2750 Sonoma Poole Ridge, near Guerneville. Comment
  SEINET11990966  Arctostaphylos manzanita Unknown 1983-1 30499 K Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11998357  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. 1987-1 6336 Sonoma Pepperwood, Devil's Kitchen area 229 Comment
  UCD51915  Arctostaphylos manzanita C. M. Belshaw 1936-3-7 1561 Sonoma 1/2 mile NW of Trenton. 60 Comment
  SEINET11987123  Arctostaphylos manzanita subsp. bakeri S. W. Edwards 1981-1 s.n. Sonoma Green Hill Rd Comment
  CAS-BOT-BC38906  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11302 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38907  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11305 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38944  Arctostaphylos manzanita subsp. elegans Walter Knight; Irja Knight 1963-9-1 260 Sonoma Pine Mt. Road NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC38922  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC38713  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1952-3-22 870 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  JEPS38656  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1914-9-19 6192 Sonoma Agua Caliente 42 Comment
  SBBG60025  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC205096  Arctostaphylos manzanita subsp. manzanita Katharine Brandegee Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38678  Arctostaphylos manzanita subsp. manzanita Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4157 Sonoma From Strybing Arboretum, San Francisco, #78-161. Originally from Hood's Peak in Sonoma County. Comment
  UC909864  Arctostaphylos nummularia J. E. Adams 1934-3-28 742 Sonoma s McNamees Store Comment
  CAS-BOT-BC47333  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1964-1-17 517 Sonoma Upper Hooker Canyon. Cloverdale Rd. Comment
  CAS-BOT-BC47343  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5764 Sonoma Rincon Ridge near Santa Rosa. Comment
  CDA11143  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11554 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  OBI14515  Arctostaphylos stanfordiana Robert F. Hoover 1963-1-12 8547 Sonoma Cavedale rd, Hoods Peak Range Comment
  RSA636808  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24743 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636823  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24744 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD53843  Arctostaphylos stanfordiana Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-16 516 Sonoma 0.2 mile on Rockridge Lance from Montecito Road; on Sones Property; Rincon Ridge; Santa Rosa. Comment
  UCD53850  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 691 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  SEINET11989145  Arctostaphylos stanfordiana B. A. Stein 1981-1 453 Sonoma Ida Clayton Rd 457 Comment
  SEINET12524558 Image available Arctostaphylos stanfordiana L. S. Rose 1934-1 34032 Sonoma 2 mi E of Occidental. Comment
  UCD51002  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1985-2-3 50041 Sonoma Sonoma County, California, unnamed ridge west side of Dry Creek Valley, n of Crane Cr. and s of Bradford Mt Comment
  SEINET11995501  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I.; Edwards, S. 1985-1 6051 Sonoma Chapman Branch of Crane Creek, near Dorman Canyon 265 Comment
  CAS-BOT-BC47205  Arctostaphylos uva-ursi Walter Knight; Irja Knight 1984-3-21 5215 Sonoma At stump Beach, Salt Point State Park. Comment
  UC549529  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 745 Sonoma s Gualala Riv.; Sonoma Co. coast Comment
  RSA177958  Arctostaphylos viscida R. F. Thorne 1965-4-20 34383 Sonoma Charles Newman's Place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  RSA202099  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek. Comment
  SEINET11989191  Arctostaphylos viscida S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge, N of Cazadero, NW of King Ridge Rd at source of Big Austin Creek Comment
  CAS-BOT-BC47465  Arctostaphylos viscida subsp. viscida John Thomas Howell 1933-4-2 10939 Sonoma Sonoma Creek Canyon Comment
  POM209633  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  CAS-BOT-BC47462  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight 1964-1-26 822 Sonoma Ca 1 m. high. Foote's Ravine north end Knight's Valley. 1 mi W. Ida Clayton Rd. Comment
  SEINET11262973  Aristolochia californica James Faro 1962-4-22 5 Sonoma South side of Lake Ralphine in Santa Rosa.; 0 Comment
  CDA22413  Aristolochia californica M. Vernon 1985-6-21 Sonoma 6858 Hessel Road, Sebastopol. 0 Comment
  CAS-BOT-BC64591  Armeria maritima subsp. californica Walter Knight; Irja Knight 1963-8-13 275 Sonoma Horseshore Cove. Comment
  CAS-BOT-BC82560  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC82566  Arnica discoidea Alice Eastwood; John Thomas Howell 1939-6-11 7410 Sonoma Near [Triniti] Trinity P.O., Hood Mt. Range Comment
  UCR255670  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway [2136 Bohemian Hwy, Occidental] 99 Comment
  CAS-BOT-BC368030  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  CAS-BOT-BC82567  Arnica discoidea H. K. Wagnon; J. T. Vale 1988-6-11 s.n. Sonoma Skaggs Springs Road, between Annapolis Road & Lake Sonoma Comment
  CAS-BOT-BC172577  Artemisia douglasiana Peter Rubtzoff 1954-9-6 1743 Sonoma Guerneville Marsh. Comment
  SEINET258281  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10233 Sonoma 1 mile north of Jenner along Pacific Coast highway 6 Comment
  UCSB40584  Asarum caudatum Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on highway 1 in a small Redwood canyon Comment
  JEPS128365  Aspidotis californica Roger Raiche 2009-4-30 029 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  CAS-BOT-BC68783  Aspidotis densa Roxana S. Ferris; Laura Lorraine 1961-6-14 13523 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  UC1299771  Aspidotis densa Freed W. Hoffman 1947-3-5 812 Sonoma near Guerneville (Gilliam Creek) Comment
  UCR37731  Aster chilensis A. C. Sanders 1985-1-19 5368 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CAS-BOT-BC361328  Asteraceae Greg de Nevers 1997-8-17 11080 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC157686  Asteraceae Peter Rubtzoff; Nancy Harrison; Dug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC71995  Astragalus breweri Milo S. Baker Apr 1898 684 Sonoma Peach Flat Comment
  RSA108730  Astragalus claranus H. D. Ripley, R. C. Barneby 1954-4-30 11238 Sonoma 7 miles NE of Santa Rosa near Alpine School. 167 Comment
  POM16000  Astragalus gambelianus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-4 8055 Sonoma Hills east of Santa Rosa Comment
  UC13433  Astragalus gambelianus E. L. Greene 1892-4-20 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  POM143742  Athysanus pusillus A. A. Heller, H. E. Brown 1902-3-24 s.n. Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC290669  Atriplex Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  UCR248351  Atriplex prostrata Peter Rubtzoff 1958-9-6 3974 Sonoma Laguna de Santa Rosa, north of Cunningham [Marsh] (near Todd Road) 24 Comment
  CAS-BOT-BC176182  Avena Peter Rubtzoff 1972-5-25 6766 Sonoma Laguna, Chileno Valley Comment
  CDA36850  Baccharis pilularis 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
  HSC2223  Baccharis pilularis subsp. pilularis C. B. Wolf, E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 miles N of mouth of Russian River Comment
  POM41966  Baccharis salicifolia Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC336247  Baccharis salicifolia subsp. salicifolia H. T. Edwards 1877-5-1 321 Sonoma Knights Valley Comment
  CAS-BOT-BC354312  Barbarea Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CDA18777  Barbarea orthoceras Boris Korotyaev 2000-3-26 s.n. Sonoma Northern California; Coleman Valley Rd. 4 km. W of Occidental. 0 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-BC145826  Beckmannia syzigachne Peter Rubtzoff 1958-8-16 3876 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC145833  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC145840  Beckmannia syzigachne Peter Rubtzoff 1958-7-5 3744 Sonoma Atascaderos Creek Marsh. Comment
  POM210240  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  SEINET10514183  Beckmannia syzigachne A. Arthur Heller 1902-6-27 Heller 5780 Sonoma West Windsor near Russian River. Comment
  CAS-BOT-BC75775  Berberis pinnata A. A. Heller; H. E. Brown 1902-4-11 5257 Sonoma Bodega Bay. Comment
  RSA227209  Berula erecta Peter Rubtzoff 1964-8-26 5475 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 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
  RSA0019008  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  JEPS81944  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8929 Sonoma along Hayes St. just s Bettencourt (southern outskirts of town, at type locality); Sonoma 19 Comment
  SD51682  Blennosperma bakeri M. S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa Street, in field on east side of street. Comment
  OBI48606  Blennosperma nanum Michener and Bioletti, Bioletti April 1893 Sonoma Kenwood Comment
  RSA128567  Blennosperma nanum Peter H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley. Comment
  CAS-BOT-BC105960  Blennosperma nanum var. nanum Milo S. Baker 1946-4-21 11355 Sonoma Santa Rosa - Sonma Hwy near old Dunbar School house Comment
  HSC5205  Blennosperma nanum var. nanum M. S. Baker 1898-1 724 Sonoma NE Santa Rosa Comment
  UCD167527  Boechera breweri James Neilson 1979-6-26 3978 Sonoma Mayacmas Mountains, Big Sulphur Creek drainage, Cadd Fire trail about 2.3 miles NW Contact Mine. (Notebook says 'Mt Baby Rocks' on crest of main ridge 2 mi n.w. Socrates Mine between Big and Little Sulphur Creek drainages. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC154969  Boisduvalia Peter Rubtzoff 1971-6-23 6541 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  RSA790899  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC154871  Boisduvalia densiflora Peter Rubtzoff 1961-6-23 4644 Sonoma Bennett Mtn. Lake. Comment
  RSA790716  Boisduvalia densiflora Peter Rubtzoff 1961-7-22 4660 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC28222  Bolboschoenus fluviatilis Peter Rubtzoff 1966-7-4 5772 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Rd. Comment
  CAS-BOT-BC28225  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-31 3684 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  CAS-BOT-BC75494  Bolboschoenus maritimus subsp. paludosus Walter Knight; Irja Knight 1984-8-26 5426 Sonoma Willow Creek Road. 60 Comment
  UC903746  Bolboschoenus robustus Milo S. Baker 1946-7-28 11541 Sonoma On Sear's Point Highway. Comment
  CAS-BOT-BC31353  Bolboschoenus robustus Walter Knight; Irja Knight 1984-8-27 5082 Sonoma Gilardi's Resort near Lakeville in tidal area. 3 Comment
  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
  RSA331975  Boykinia occidentalis Dave Kelly, W. Wisura 1985-7-26 4058 Sonoma Sugarloaf Ridge State Park E of Santa Rosa. Comment
  SEINET944633  Brachypodium distachyon John Thomas Howell 1959-1 Sonoma Hills east of Agua Caliente, Sonomo County. Comment
  SEINET259062 Image available Brachypodium phoenicoides P. G. Connors 1991-6-5 128 Sonoma Sonoma Coast State Beach; North of Bodega Bay in Salmon Creek Dunes; within State Park boundary. Comment
  RSA723660  Brassica rapa R. R. Halse 1987-2-22 3374 Sonoma Along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  UC1222965  Brickellia californica Joseph P. Tracy 1947-10-6 17938 Sonoma w of Knight's Valley (gravel bar along Mayacamas Creek); Mayacamas Creek Comment
  CAS-BOT-BC100472  Brickellia californica H. E. McMinn 1922-6-7 187 Sonoma near Cosmo by Russian River Comment
  CAS-BOT-BC311816  Briza Peter Rubtzoff 1973-8-29 s.n. Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CSUSB472  Briza maxima L. L. Williams 1971-5-13 Sonoma Collected in North Coastal Sage at junction of road inland with Highway 1, south of Stewarts Point on headland. Comment
  UC750805  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 Sonoma w Santa Rosa; Vine Hill Comment
  UCD57129  Briza maxima R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  UCD57165  Briza maxima Gerry North 1993-4 15 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC145288  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC145292  Briza minor G. DeNevers 1981-6-20 1639 Sonoma Pepperwood Ranch. Northeast of Peperwood, on the east road to Knights Valley at a pond filling with silt. Comment
  CAS-BOT-BC145303  Briza minor Alice Eastwood 1921-5-8 10442 Sonoma Petaluma. Comment
  UC1130932  Briza minor H. S. Yates 1934-4-21 3824 Sonoma near Duncan's Mill; Duncans Mill Quadrangle Comment
  UCD57426  Briza minor Davis L. Morgan 1961-5-2 s.n. Sonoma On Snyder Lane. 2 miles NE of Cotati. Comment
  UCD57433  Briza minor Katharine Brandegee Date Unknown s.n. Sonoma Sebastopol. Comment
  RSA41901  Briza minor Ella Dales Cantelow 1936-5-9 1367 Sonoma 3 mi. S. of El Verano Comment
  UCD151072  Brodiaea californica James A. Neilson Jr. 1974-6-1 2884 Sonoma Mayacmas Mountains, Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  SEINET180834  Brodiaea capitata E. Tucker Sonoma Camp Meekee. Comment
  UCD150132  Brodiaea coronaria 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
  CAS-BOT-BC486535  Brodiaea elegans subsp. elegans Peter Rubtzoff 1952-6-10 1226 Sonoma Top of Fitch Mountain, near Healdsburg 304 Comment
  SEINET10534094  Brodiaea laxa John Thomas Howell 1931-6-15 Howell 6689 Sonoma Near Sebastopol, California Comment
  SEINET5500783 Image available Brodiaea laxa Sally Walker 1981-5-25 Sonoma 4 mi W of Occidental. Comment
  JEPS5691  Brodiaea leptandra W. L. Jepson 1918-6-23 7657 Sonoma Poor Man's Flat Windsor Comment
  UCD77159  Brodiaea terrestris Robert E. Preston 2005-6-11 2350 Sonoma Irish Hill, along Coleman Valley Rd, ca. 1 mi E of Hwy 1. 208 Comment
  JEPS7714  Brodiaea terrestris subsp. terrestris P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  JEPS79160  Brodiaea terrestris subsp. terrestris N. Harrison 1978-5-10 1571 Sonoma e end Cunningham Marsh (Blucher Creek drainage); Sebastopol, , Blucher Creek Comment
  CAS-BOT-BC486455  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1961-6-17 4631 A Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC311835  Bromus Peter Rubtzoff 1971-5-30 6458 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD58258  Bromus carinatus Collector unknown 1941-6-1 Sonoma Santa Rosa. Veteran's Park. Comment
  CAS-BOT-BC149091  Bromus carinatus var. carinatus Mary P. Wells 1981-8-2 s.n. Sonoma Between playground on Leeward Road and the sea. The Sea Ranch. Comment
  CAS-BOT-BC149084  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshal - Petaluma road 5 miles west of junction of Wilson Hill Road. Comment
  CAS-BOT-BC149086  Bromus carinatus var. carinatus Peter H. Raven 1950-4-23 1894 Sonoma Solve Vista. 152 Comment
  CAS-BOT-BC156277  Bromus catharticus G. DeNevers 1981-5-5 931 Sonoma Pepperwood Ranch. In Pippindale Garden. Alos in west arm of Garrison Canyon. Comment
  CAS-BOT-BC155957  Bromus commutatus Peter Rubtzoff 1959-5-30 4071 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC155659  Bromus diandrus G. DeNevers 1981-4-20 748 Sonoma Pepperwood Ranch. Top of Horse Hill. Pippindale farm. Comment
  CDA36961  Bromus diandrus 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
  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-BC155211  Bromus hordeaceus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53969 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-BC155215  Bromus hordeaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6275 Sonoma Dodd Road Preserve. 24 Comment
  SEINET11690157  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6275 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC162394  Bromus laevipes Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 15 miles west of Highway 101. Comment
  CAS-BOT-BC162396  Bromus laevipes G. DeNevers 1981-6-20 1591 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  UCD58934  Bromus laevipes David L. Morgan 1956-6-9 s.n. Sonoma Crane Canyon, on Bennett Valley Rd. 1 mile E of Petaluma Hill Rd. Comment
  SEINET10524463  Bromus marginatus A. Arthur Heller 1902-4-9 Heller 5247 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC161520  Bromus tectorum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53990 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UCR141958  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma North Coast Range, 1.6 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  UCD126494  Brugmansia sanguinea A. Greive 1941-8-3 s.n. Sonoma Stewart's Point on coast. Comment
  CAS-BOT-BC233703  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  UC604140  Cakile maritima Baker 1938-5-6 8978 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  CAS-BOT-BC352216  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UC1026380  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh Comment
  RSA144400  Calamagrostis koelerioides Roxana S. Ferris, Laura Lorraine 1961-6-15 13563 Sonoma On Harrison Grade Road, 0.3 mi from Junction with Green Valley Road. Comment
  CAS-BOT-BC352235  Calamagrostis neglecta var. inexpansa Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville. Comment
  SD56676  Calamagrostis nutkaensis D. F. Howe 1953-7-3 3582 Sonoma 19 miles north of junction with #12 on #1 Comment
  UC903715  Calandrinia breweri Milo S. Baker 1947-4-22 11694 Sonoma McCatney Ranch Hood Mt. (w slope of mountain) 213 Comment
  CAS-BOT-BC438609  Calandrinia ciliata A. A. Heller; H. E. Brown 1902-4-9 5234 Sonoma Three miles South of Healdsburg Comment
  CAS-BOT-BC273245  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma Along highway just east of Shellville Comment
  SFV12200  Calendula arvensis W. R. Russell 1967-3-28 s. n. Sonoma Sonoma. At roadside near cemetary at north end of town. Comment
  UCR249037  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  RSA0015564  Callitriche Peter Rubtzoff 1969-5-16 6050 Sonoma Guerneville Marsh, eastern part of the marsh in Pocket Canyon. Comment
  CAS-BOT-BC293674  Callitriche heterophylla Peter Rubtzoff 1974-4-6 7355 Sonoma Along Lawndale Road, 0.75 miles south of Highway 12. Comment
  CAS-BOT-BC293676  Callitriche heterophylla Peter Rubtzoff 1973-7-24 7202 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC331476  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4604 Sonoma Upper Stemple Creek Marsh. Comment
  SEINET8465053 Image available Calochortus amabilis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16212 Sonoma North Coast Ranges; Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  UC157875  Calochortus amabilis Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  CAS-BOT-BC483273  Calochortus amabilis James L. Reveal 1988-6-1 6972 Sonoma Along Geysers Road, 9.2 miles east-southeawst of U.S. Highway 101, 1 mile southeast of West Squaw Creek Road and 4.2 miles northwest of the turnoff to Geysers Resort, about 13 miles east of Cloverdale 320 Comment
  CAS-BOT-BC492638  Calochortus luteus James L. Reveal 1987-6-7 6412 Sonoma Along Geysers Road, 4.4 miles east-southeast of U.S. Along Cavedlae Road, about 1.5 mile south of Trinity Road, in grassy open areas of heavy soil among Quercus and other chaparral species about 13 airline miles southeast of Santa Rosa 579 Comment
  UCSB636  Calochortus pulchellus Keator, Glenn 1959-4-2 Sonoma 0.9 miles east on Cavedale road and 2.0 miles northeast of Agua Caliente Comment
  NY319591  Calochortus raichei R. Raiche 1986-7-7 60214 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  UC1299343  Calochortus raichei Freed W. Hoffman 1947-5-30 519 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC72482  Calochortus tolmiei Milo S. Baker 1898-4-5 5 Sonoma Coast Road Comment
  POM169368  Calochortus tolmiei A. A. Heller, H. E. Brown 1902-4-11 5263 Sonoma Bodega Bay. Comment
  UC423009  Calochortus uniflorus Milo S. Baker Apr 1899 Sonoma near Santa Rosa; Sonoma Valley Comment
  UCR255747  Calochortus uniflorus Greg de Nevers 1996-4-18 10791 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  UCR265135  Calochortus uniflorus Ann Howald, Christina Freeman 2015-4-13 3340 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, south shore, c. 300 feet north of intersection Pig Flat and Marsh trails 363 Comment
  UC523536  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 mi n Occidental Comment
  RSA144720  Calycadenia multiglandulosa subsp. cephalotes Roxana S. Ferris 1961-6-14 13548 Sonoma Junction of Occidental Road with Facendini Lane Comment
  RSA93402  Calycadenia multiglandulosa subsp. cephalotes Milo S. Baker 1932-6-9 6000 Sonoma 1 mile east of Occidental Comment
  RSA0009791  Calycadenia pauciflora Marcus E. Jones 1931-7-5 29125 Sonoma The Geysers. Comment
  CAS-BOT-BC371437  Calycadenia truncata Greg de Nevers 1997-7-29 11072 Sonoma Near Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Just south of Redwood Canyon on neighbor's land 400 Comment
  UCR255699  Calycadenia truncata Peter Rubtzoff 1966-8-3 5779 Sonoma North Coast Range, going up Bennett Mountain from Lawndale to Bennett Mountain Lake 305 Comment
  UC9829  Calycanthus occidentalis H. N. Bolander 1867-1 Sonoma Cloverdale Comment
  UCD137801  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road. Comment
  RSA177994  Calypso bulbosa Robert F. Thorne 1965-4-19 34297 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  JEPS86302  Calystegia Jack and Betty Guggolz 1988-5-8 941 Sonoma Pine Flat Road, 7.9 miles from Highway 128 on east side of the road Comment
  CDA39871  Calystegia collina subsp. oxyphylla T. C. Fuller 1958-5-24 4002 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  UCSB50245  Calystegia occidentalis Gray, John 1976-5-1 Sonoma Bluff above Blind Beach, 1/2 mile west of Highway 1; T7N R11W 60 Comment
  UC105092  Calystegia purpurata subsp. saxicola Katharine Brandegee 1905-6-25 Sonoma Bodega Head Comment
  UC105093  Calystegia purpurata subsp. saxicola Katharine Brandegee 1905-6-25 Sonoma Bodega Cliffs Comment
  CAS-BOT-BC498783  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  NY679548  Camissonia cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  CAS-BOT-BC160365  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma North of the town of Bay, Bodega Bay Comment
  JEPS54477  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (Pitkin Marsh, near e end of Templeton Road); Pitkin Marsh 45 Comment
  CAS-BOT-BC266424  Campanula californica John Thomas Howell 1945-8-14 21402 Sonoma Perry Marsh Comment
  CAS-BOT-BC266426  Campanula californica Lester Rowntree 1931-7-15 s.n. Sonoma [Skyp?] Springs Road Comment
  SEINET10840067  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma Annapolis Comment
  SEINET10840069  Campanula californica Baker 1928-6-28 Baker 30468 Sonoma Pitkin Marsh, Vine Hill District Comment
  SEINET10905925  Campanula prenanthoides P. Rubtzoff 1951-8-25 Rubtzoff 667 Sonoma Forested hills southeast of Guerneville Comment
  HSC6631  Capsella bursa-pastoris F. Demostene 1966-4-1 1 Sonoma 2 mi. E of Healdsburg Comment
  RSA786866  Capsella bursa-pastoris Carrie A. Herd 1982-3-14 19 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  CAS-BOT-BC37769  Cardamine californica Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  UC402555  Cardamine californica var. integrifolia J. Burtt Davy 1896-3-13 1642 Sonoma Duncan's Mills Comment
  RSA177977  Cardamine californica var. integrifolia R. F. Thorne 1965-4-19 34303 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC38028  Cardamine oligosperma Peter Rubtzoff 1957-5-4 3309 Sonoma Duncans Mills Marsh. At the border of the upper part of the marsh. Comment
  UCD114539  Cardamine oligosperma Frederica Bowcutt 1994-5-1 1757 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Sonoma Creek, just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed Trail about 30 yards from trail head; along Sonoma Creek. 198 Comment
  CAS-BOT-BC384863  Cardionema ramosissimum John H. Thomas 1976-6-15 18289 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC281769  Carduus pycnocephalus F. H. Utech; Walter & Irja Knight 1986-5-15 86 -160 Sonoma The Geysers, ca 14.0 miles ESE of Preston and US Highway 101 on Geysers Rd 120 Comment
  SEINET11843447  Carduus pycnocephalus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -160 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 Comment
  UCD166509  Carduus tenuiflorus Peter Rubtzoff 1962-7-14 4992 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC376270  Carex Greg de Nevers 1993-3-10 10324 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In the Bald Hills 304 Comment
  CAS-BOT-BC334525  Carex abrupta Peter Rubtzoff 1958-5-17 3658 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC18141  Carex athrostachya Peter Rubtzoff 1958-5-17 3667 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC18144  Carex athrostachya Peter Rubtzoff 1958-7-5 3743 Sonoma Atascadero Creek Marsh. Comment
  UCR208529  Carex athrostachya Peter Rubtzoff 1957-5-26 3361 Sonoma Occidental Marsh Comment
  CAS-BOT-BC19366  Carex barbarae J. W. Congdon 1880-5-17 s.n. Sonoma Sebastopol. Comment
  CAS-BOT-BC19367  Carex barbarae A. A. Heller 1902-7-1 5797 Sonoma Lagoon at Sebastopol. Comment
  CAS-BOT-BC328120  Carex barbarae Peter Rubtzoff 1974-6-2 7512 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC422350  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  UC1133324  Carex barbarae H. S. Yates 1936-5-16 5584 Sonoma 1 mi NE of Graton 30 Comment
  RSA295078  Carex barbarae Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4209 Sonoma Trenton Rd., by the Boriolo Ranch, just S of and paralleling River Rd., approx. halfway between Guerneville and Santa Rosa. (Near N part of Laguna de Santa Rosa). 15 Comment
  SEINET7551513 Image available Carex barbarae John Thomas Howell, J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  CAS-BOT-BC19569  Carex bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mile from junction with Bodgea Highway. Comment
  RSA0031800  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncans Mills Marsh. Upper portion of the marsh. Comment
  JEPS117110  Carex bolanderi Peter Warner 2010-7-8 171 Sonoma Jenner Headlands, along main road across property, ~ 4.1 km, W 322 deg. N of Duncans Mills Comment
  UCR248865  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC18976  Carex densa John Thomas Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  CAS-BOT-BC18977  Carex densa John Thomas Howell 1938-7-3 13964 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20512  Carex densa Peter Rubtzoff 1955-5-21 1860 Sonoma Sonoma County Marshes. Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  UCR258147  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh 72 Comment
  CAS-BOT-BC18989  Carex densa Lewis S. Rose 1950-5-20 50134 Sonoma Emerald Lake Region. Hills west of Redwood City. 243 Comment
  CAS-BOT-BC20472  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 Sonoma Near Asti. Comment
  CAS-BOT-BC20475  Carex densa G. DeNevers 1981-4-11 683 Sonoma Pepperwood Ranch. South of 3 Tree Hill. Comment
  CAS-BOT-BC20515  Carex densa Peter Rubtzoff 1976-5-30 8575 Sonoma Sonoma County Marshes. Kenwood Marsh. Comment
  CAS-BOT-BC329293  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC290553  Carex exsiccata Peter Rubtzoff 1958-5-17 3668 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  RSA121756  Carex exsiccata H. S. Yates 1936-5-17 5632 Sonoma 2 miles NE of Graton. 30 Comment
  CAS-BOT-BC20139  Carex feta Alice Eastwood; John Thomas Howell 1936-5-19 2525 Sonoma Near Asti. Comment
  UC856  Carex gracilior H. N. Bolander April 1864 3867 Sonoma Russian River Comment
  SEINET10505883 Image available Carex gracilior Henry N. Bolander Bolander 3822 Sonoma Meadow at Cloverdale. Comment
  UC855  Carex gracilior H. N. Bolander 1866-4-12 4635 Sonoma Comment
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Apr 5 2008
  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
  RSA0022387  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Sonoma County: Freestone marsh Comment
  CAS-BOT-BC21899  Carex harfordii John Thomas Howell 1945-5-30 20890 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC21903  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh. In upper portions of the marsh. Comment
  CAS-BOT-BC249298  Carex harfordii Peter Rubtzoff 1960-5-16 4350 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC249315  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh Comment
  UC1133465  Carex harfordii H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  UCR248914  Carex harfordii Peter Rubtzoff 1962-6-1 4861 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC311814  Carex hendersonii Peter Rubtzoff 1955-5-14 1855 Sonoma Duncans Mills Marsh. Comment
  SEINET10647589  Carex hookeriana A. Arthur Heller 1902-4-17 Heller 5324 Sonoma Santa Rosa. Comment
  SEINET10551416 Image available Carex lacunarum A. Arthur Heller 1902-7-1 Heller 5797 Sonoma Lagoon at Sebastopol. Comment
  CAS-BOT-BC31171  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31174  Carex lemmonii John Thomas Howell; J. W. Stacey 1936-7-26 12681 Sonoma Pitkin Marsh. 5 mi N of Sebastopol. Comment
  UC766046  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma near Sebastopol (marsh on Perry's Twin Pines Ranch (= Perry Marsh)) Comment
  UCD140473  Carex lemmonii John Thomas Howell 1957-6-13 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31429  Carex leptopoda Lewis S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay swamp. 1 Comment
  CAS-BOT-BC329277  Carex leptopoda Peter Rubtzoff 1964-6-24 5374 Sonoma Lower Salmon Creek Marsh. Comment
  UCR249080  Carex leptopoda Peter Rubtzoff 1964-6-24 5374 Sonoma Lower Salmon Creek Marsh 6 Comment
  UC1100482  Carex obnupta Malcolm A. Nobs and S. Galen Smith 1949-8-1 1111 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC119310  Carex obnupta Mary P. Wells 1981-8-2 s.n. Sonoma S end of Timber Ridge Road, The Sea Ranch. Comment
  RSA0025209  Carex obnupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC320465  Carex pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh. Comment
  UC70608  Carex serratodens Bioletti June, 1893 Sonoma Los Guilocos Valley Comment
  UCD161824  Carex serratodens James A. Neilson Jr. 1975-5-23 3204 Sonoma Abril property, Truit Creek at Big Sulphur Creek. (Exact location unkown, coordinates estimated by label maker.) Comment
  UCR248948  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC117671  Carex serratodens Ella D. Cantelow 1938-5-15 2405 Sonoma 5.2 mi S of the Geyers. Comment
  CAS-BOT-BC117675  Carex serratodens Gregory Clark de Nevers 1982-2-27 1922 Sonoma Pepperwood Ranch, near the barn at Pepperwood. Comment
  RSA0023072  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh. Comment
  RSA0000226  Carex sonomensis J. T. Howell, J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh. Comment
  UCD164099  Carex stipata var. stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC116932  Carex subbracteata Peter Rubtzoff 1960-5-16 4352 Sonoma Duncan Mills Marsh. Comment
  UCD140870  Carex subbracteata P. G. Connors 1991-4-11 103 Sonoma Bodega Head and Dunes. Beside Lab road. BMR 0730N, 4200E Comment
  CAS-BOT-BC320500  Carex subbracteata var. subbracteata Peter Rubtzoff 1976-5-30 8564 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC115827  Carex subfusca Bolander 3867 Sonoma Russian River Comment
  UCD129939  Carthamus leucocaulos P. F. Knowles 1969-9-23 18901 Sonoma 1 mile west of Asta. Comment
  UCD55151  Castilleja affinis Ellen Dean; Tammie Beyerl 2006-4-28 3033 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 260 Comment
  SEINET7042572  Castilleja affinis A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  UCD38895  Castilleja affinis Beecher Crampton 1959-6-16 5403 Sonoma 1 mile south of the town of Bodega Bay. Comment
  HSC103519  Castilleja densiflora Thomas W. Nelson, Jane Nelson 1981-5-3 6463 Sonoma Along Pressley Rd., ~ 1 mi. N of junction with Roberts Rd. Comment
  CAS-BOT-BC243854  Castilleja latifolia J. Clausen 1935-5-24 1088 Sonoma 5.1 mi. S of Jenner on the Bodega Road Comment
  CAS-BOT-BC243856  Castilleja latifolia John Thomas Howell 1934-3-3 11735 Sonoma Bodega Bay Comment
  SEINET10582744  Castilleja latifolia Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2620 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  JEPS22422  Castilleja rubicundula subsp. lithospermoides Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1132 Sonoma 2.6 mi n Healdsburg Comment
  CAS-BOT-BC195604  Catapodium rigidum Leo Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa Comment
  CAS-BOT-BC195606  Catapodium rigidum Leo Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa Comment
  SEINET4565634  Catapodium rigidum L. Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa Comment
  CAS-BOT-BC48519  Ceanothus confusus John Thomas Howell 1933-4-2 10937 Sonoma Mt. Hood, Sonoma Creek Canyon Comment
  RSA77694  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC18317  Ceanothus confusus Michener and Bioletti March 1898 1898 Sonoma Hood's Peak Comment
  OBI10271  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma From Olive orchard, Rincon Ridge Comment
  UCD160146  Ceanothus cuneatus James A. Neilson Jr. 1974-4-24 2716 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
  JEPS116512  Ceanothus divergens Peter Warner 2009-4-10 99 Sonoma Pepperwood Preserve; ; ; Pepperwood Preserve, Franz Valley Road, approx. 0.6 mi WNW of Jct. Franz Valley - Franz Valley School Roads 300 Comment
  UC1071289  Ceanothus divergens H. S. Yates 1934-4-21 3828 Sonoma 2 miles N of County Farm. Santa Rosa Quad. 243 Comment
  UCD112120  Ceanothus divergens G. F. Hrusa 1995-4-2 12040 Sonoma along Franz Valley School Road, approximately 1 mile NW of Napa/Sonoma county line. 250 Comment
  CAS-BOT-BC83820  Ceanothus foliosus D. O. Burge; C. Miller 2007-6-12 938 b Sonoma Mayacmas Mountains, head of Hooker Canyon 560 Comment
  UC1070624  Ceanothus foliosus C. M. Belshaw 1936-3-8 1590 Sonoma 3/4 mi n Annadel (nw of Kenwood.); Santa Rosa quad. 144 Comment
  SEINET12210606  Ceanothus foliosus W. Knight, Knight, I. 1981-1 3978 Sonoma 5.8 mi up Cavedale Road from jct of state rt.12 Comment
  SEINET12211127  Ceanothus foliosus W. Knight, Knight, I. 1986-1 2317 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Road 853 Comment
  SEINET13945888 Image available Ceanothus foliosus G. Thomas Robbins 1938-1 257 Sonoma Along road to Occidental W of Green Valley Comment
  CAS-BOT-BC49909  Ceanothus foliosus var. foliosus Michener; Bioletti 1893-6-1 s.n. Sonoma Hoods Peak Comment
  CAS-BOT-BC49913  Ceanothus foliosus var. foliosus D. E. Breedlove 1983-4-11 58671 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA107848  Ceanothus foliosus var. vineatus L. S. Rose 1955-6-2 s.n. Sonoma Junction of Vine Hill and School Roads, 10 miles west of Santa Rosa. 46 Comment
  UCR131683  Ceanothus gloriosus subsp. exaltatus C. B. Wolf 1941-7-30 11108 Sonoma along coast, 8.5 miles south of Stewarts Point at entrance to Salt Point Ranch 30 Comment
  OBI10514  Ceanothus gloriosus var. exaltatus Milo S. Baker 1924-4-18 86 Sonoma Roadside Ft Bragg to Willits about halfway in a small valley Comment
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Jan 28 2016
  POM215713  Ceanothus gloriosus var. exaltatus Jens Clausen 1933-3-26 742 Sonoma Southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road (off hwy) Comment
  CAS-BOT-BC49975  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  CHSC59346  Ceanothus incanus Frederic Hrusa 1989-1-24 5802 Sonoma In moist draws along Ida Clayton Rd. on N slope of Mt. St. Helena. Comment
  CDA37445  Ceanothus integerrimus var. macrothyrsus D. G. Kelch, T. McGregor 2010-8-22 10 .343 Sonoma Geyser Peak Rd. Comment
  UC1193312  Ceanothus jepsonii P. Zinke 1949-6-14 64 Sonoma Divide between Dry Creek and Smith Creek Quad. 61A3 457 Comment
  UC1281528  Ceanothus jepsonii H. E. McMinn 1931-6-29 2566 Sonoma 5 mi n Cloverdale Comment
  UC870590  Ceanothus jepsonii Alice Eastwood and John Thomas Howell 1939-4-2 7377 Sonoma near Camp Meeker (on rd to Monte Rio) Comment
  SEINET12211105  Ceanothus jepsonii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -240 Sonoma end of Stoetz Road 200 Comment
  SDSU10309  Ceanothus oliganthus var. sorediatus Claire Schneider, Gary Waayers 1993-4-10 10 IV93A Sonoma Located off of Trinity Road., ca. 1.0 mile east from intersection with State Hwy 12. 222 Comment
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Mar 3 2009
  UC73365  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Creek Canyon 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-BC51893  Ceanothus parryi J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  POM161075  Ceanothus parryi R. C. Bacigalupi 1926-5-2 1396 Sonoma Cazadero. Comment
  RSA32475  Ceanothus parryi Leo Koch 1939-05 631 Sonoma Campus of Santa Rosa Junior college, from Transplant near Qecidental Comment
  UCD112488  Ceanothus parryi Frederica Bowcutt; Adam Green 1994-5-1 1798 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Along Adobe Canyon Road at base of road cut. 213 Comment
  CAS-BOT-BC52125  Ceanothus prostratus J. Clausen 1933-3-26 740 Sonoma Rincon Range east of Santa Rosa Comment
  SEINET12211281  Ceanothus ramulosus W. Knight, Schmidt, C. 6056 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC53043  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  JEPS97530  Ceanothus sonomensis R. D. Stone 1985-3-8 651 Sonoma along unpaved road S of Trinity Road and W of cul-de-sac on Manzanita Lane Mt. Veeder (approx 2.5 airmiles WNW of) Comment
  UC1010755  Ceanothus sonomensis Peter H. Raven 1954-2-27 6428 Sonoma Hoods Peak Range, mountain side on N side of Hooker Creek. 609 Comment
  UC1070786  Ceanothus sonomensis C. M. Belshaw 1936-3-8 1581 Sonoma 3.4 mi. n. Annadel (n.w. of Kenwood); Santa Rosa Quad. Comment
  UC1071290  Ceanothus sonomensis J. B. Spring, R. W. Lundh 1932-7-19 104 Sonoma 7/8 mi NW of Los Alamos School 579 Comment
  CAS-BOT-BC53033  Ceanothus sonomensis Peter H. Raven 1954-2-27 6428 Sonoma Hoods Peak Range - Mountainside on north side of Hooker Creek 609 Comment
  UC1071493  Ceanothus velutinus H. S. Yates 1934-4-21 3816 Sonoma near Guerneville; Duncans Mills Quad. Comment
  CAS-BOT-BC366942  Centaurea Greg de Nevers 1993-5-30 10467 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  CAS-BOT-BC282017  Centaurea calcitrapa Greg de Nevers 1987-5-11 8176 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  CAS-BOT-BC277019  Centaurea iberica Greg de Nevers 1992-6-16 10167 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UC34566  Centaurea solstitialis F. T. Bioletti 1891-9-7 Sonoma Shellville Comment
  RSA181381  Centaurea solstitialis James I. McMurphy 1909-8-9 s.n. Sonoma Sonoma Comment
  JEPS105487  Centaurea stoebe subsp. micranthos Elaine Mahaffey Sep 2003 Sonoma The Sea Ranch, Highway 1, 100-200 yards N of the Del Mar Community Center, large pull-out on ocean side of highway; extreme NW Sonoma Co. Comment
  OBI35874  Centaurium erythraea David J. Keil 1983-6-29 17201 Sonoma Ca. 10 mi SE of Ft. Ross along hwy 1 Comment
  JEPS20838  Centaurium muehlenbergii Harry K. Roberts 1958-7-8 Sonoma 0.1 mi e junction of the Sebastopol and Occidental roads (and extending w toward Sebastopol for 1.2 mi on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  UCD55332  Centaurium tenuiflorum Ellen Dean 2006-6-28 3176 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC288807  Centromadia fitchii G. De Nevers; J. Shumate 1981-7-25 1868 Sonoma Pepperwood Ranch. W of 3 Tree Hill Comment
  RSA785923  Centromadia pungens subsp. pungens Peter Rubtzoff 1970-5-30 6252 Sonoma 5 mi. north of Sears Point. Comment
  UCD138893  Cephalanthera austiniae K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  POM151914  Cerastium arvense A. A. Heller 1902-4-11 brown Sonoma Bodega Bay. Comment
  UCD160129  Cerastium fontanum subsp. vulgare James A. Neilson Jr. 1973-6-6 2956 Sonoma Mayacmas Mountains. The Geysers. Site IV A. (Exact location of Site IV A unknown. Elevation and coordinates estimated as near Site IV G by label maker.) 731 Comment
  SEINET7067242  Cerastium glomeratum A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  UC1026472  Cerastium glomeratum Peter Rubtzoff 1952-5-10 1012 Sonoma Pitkin Marsh near Forestville (lower part of Upper Marsh); Pitkin Marsh Comment
  UCD160139  Cerastium glomeratum James A. Neilson Jr. 1974-3-27 3013 Sonoma Mayacmas Mountains. The Geysers. Site A-74. (Elevation and exact location estimated by label maker; in Mayacmas Flora it says this collection number is from Truit Creek.) 365 Comment
  JEPS77255  Cerastium glomeratum Robert M. Lloyd 1963-4-24 2394 Sonoma 13.8 mi. from State Hwy. 12 on rd. to Oakdale 365 Comment
  SD134006  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mountain Lake. Comment
  SEINET11908935  Cercocarpus betuloides W. Knight, Knight, I. 1981-1 3989 Sonoma 5.6 mi up Cavedale Road at summit from jct of state route #12 Comment
  UC186684  Cercocarpus betuloides var. betuloides Michener and Bioletti 1893-4-25 Sonoma Kenwood Comment
  UCD158807  Chaenactis glabriuscula var. heterocarpha James A. Neilson Jr. 1974-3-27 2941 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  HSC67549  Chamaemelum fuscatum J. P. Smith 1975-3-27 8047 Sonoma Dutcher Creek Rd., 0.7 mi. from its jct. with U.S. 101 Comment
  RSA176442  Chamaemelum fuscatum P. H. Raven 1963-4-12 18161 Sonoma Along U. S. 101 just south of Asti. Comment
  UC73437  Chamaesyce serpyllifolia Miss Alice King Sept. 1896 Sonoma near Healdsburg Comment
  UC1010424  Chenopodium californicum Milo Baker 1930-4-15 3953 Sonoma beach near Salmon Cr.; North Bay Counties Comment
  CDA33563  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313481 Sonoma Petaluma; Hwy 116/Lakeville Rd & Hwy 101. 0 Comment
  RSA107053  Chorizanthe cuspidata var. villosa L. S. Rose 1956-7-16 s.n. Sonoma Bodega Point. 9 Comment
  UCD150645  Chorizanthe cuspidata var. villosa Lisa McNair 1974-5-11 80 Sonoma Bodega Bay, just outside the University of California Bodega Marine Laboratory. 6 Comment
  CAS-BOT-BC257027  Chorizanthe membranacea Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  JEPS86777  Chorizanthe membranacea Jack and Betty Guggolz 1990-5-19 1054 Sonoma n side of the Pine Flat Road 7.1 mi in from Highway 128 612 Comment
  CAS-BOT-BC176198  Cichorium intybus Peter Rubtzoff 1961-9-6 4727 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC176384  Cichorium intybus Peter Rubtzoff 1966-8-25 5808 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  SJSU6040  Cicuta douglasii C. W. Sharsmith 1972-6-24 7802 Sonoma Forestville Marsh c. 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County 42 Comment
  CAS-BOT-BC290695  Cirsium Peter Rubtzoff 1962-6-13 4899 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC280001  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  UCD130616  Cirsium douglasii var. douglasii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CDA18867  Cirsium douglasii var. douglasii R. Breckenridge 1999-6-14 PDR 909431 Sonoma North Coast Ranges; Hwy 1, near Salmon Creek Beach, Salmon Creek/ Bodega. 0 Comment
  CAS-BOT-BC285702  Cirsium occidentale var. occidentale P. G. Connors 1990-5-18 10 Sonoma Bodega Head. BMR Comment
  CAS-BOT-BC280370  Cirsium occidentale var. venustum D. E. Breedlove 1980-6-27 44755 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC480934  Cirsium occidentale var. venustum H. P. Chandler 1907-4-21 7531 Sonoma road fr. Glen Ellen to Oakville Comment
  UCD130426  Cirsium occidentale var. venustum Frederica Bowcutt 1994-6-25 1906 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 0.25 miles N of Vista Trailhead along Gray Pine Trail. Comment
  UC30823  Cirsium quercetorum W. A. Setchell 1897-6-1 Sonoma Fort Ross Comment
  RSA0070873  Cirsium remotifolium Marcus E. Jones 1882-7-18 3385 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC169773  Cistanthe quadripetala Roger Raiche 1984-6-9 40204 Sonoma Mayacamas Mts., NW of fireroad at summit from end of Pine Flat Rd. (N of Socrates Mine) 975 Comment
  UCD166463  Citrullus lanatus Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  RSA594919  Clarkia John H. Thomas 1955-5-22 5182 Sonoma Along St. Helena Road and West Creek, 1.2 miles W of Sonoma - Napa County line, 6 miles from St. Helena 457 Comment
  UC107816  Clarkia amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  SDSU8655  Clarkia amoena D. F. Howe 1965-8-3 4098 Sonoma 2.4 miles east of Bodega Bay on #1. Comment
  RSA108388  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1951-7-10 866 Sonoma 4 miles W of Mark West Springs Comment
Read comments
May 11 2011
  CAS-BOT-BC172212  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  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
  CAS-BOT-BC172093  Clarkia davyi John H. Thomas 1976-6-15 18318 Sonoma Southern end of the Sea Ranch, northwester part of county, about 7 miles south of Gualala 30 Comment
  JEPS43542  Clarkia gracilis subsp. sonomensis W. L. Jepson 1921-6-2 9296 Sonoma near Healdsburg (Calhoun Ranch); Russian River 30 Comment
  CAS-BOT-BC163133  Clarkia gracilis subsp. sonomensis Doris K. Kildale 1929-7-14 8459 Sonoma Trail up Klamath River to Blue Creek 152 Comment
  CAS-BOT-BC163140  Clarkia gracilis subsp. sonomensis G. DeNevers 1981-6-4 1436 Sonoma On the roadcut by the buckeye tree S of the Garrison Gate Comment
  POM153267  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma Sonoma - Santa Rosa Hwy, 5.5 miles S of Santa Rosa. 32 Comment
  RSA495968  Clarkia gracilis subsp. sonomensis L. D. Gottlieb 1987-5-29 8722 Sonoma South of Healdsburg, on Eastside Road, 0.7 mile north of Windsor River Road Comment
  RSA108400  Clarkia imbricata Harlan Lewis, M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville; 6230 Vine Hill road Comment
  RSA0060039  Clarkia imbricata Peter H. Raven, R. Snow 1958-7-23 13692 Sonoma 4551 Vine Hill Road, near Pitkin Marsh Comment
  CAS-BOT-BC163468  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1929-6-9 4301 Sonoma 2 miles n. of Sonoma Comment
  UC930727  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1940-5-22 40374 Sonoma Sonoma 30 Comment
  UCD104917  Clarkia purpurea subsp. quadrivulnera Frederica Bowcutt 1994-5-21 1834 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. At junction of meadow trail and digger pine trail, 1 mile from trailhead. 396 Comment
  POM187327  Clarkia unguiculata Marcus E. Jones 1931-7-5 29038 Sonoma The Geysers. Comment
  SEINET12194281  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -156 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  RSA6471  Claytonia exigua subsp. exigua Jens Clausen 1933-3-26 745 Sonoma Harrison Grade, betwen Grtaon and Occidental. In orchard, gravelly soil. Comment
  UCD100597  Claytonia exigua subsp. glauca G. F. Hrusa 1991-4-6 8310 Sonoma app. 1/4 m. N of Ida Clayton Rd. on N shoulder of Mt. St. Helena. 426 Comment
  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
  CAS-BOT-BC439400  Claytonia gypsophiloides D. E. Breedlove 1976-3-27 39 .452 Sonoma Above Dry Creek, west of Warm Springs Dam Comment
  CAS-BOT-BC439411  Claytonia gypsophiloides Arthur Menzies 1966-3-27 s.n. Sonoma Between The Geysers and Mercuryville Comment
  HSC100947  Claytonia gypsophiloides Peter Warner 2011-3-29 183 Sonoma Jenner Headland's, Jenner Pasture, ~441 m, E112 deg. S from residence cottage, on lower slope near Jenner Gulch. 130 Comment
  SBBG106815  Claytonia gypsophiloides K. L. Chambers 1978-4-29 4466 A Sonoma Hwy 128, the Cloverdale to Ft Bragg rd, 3.8 mi W of its jct with Hwy 101 at Cloverdale Comment
  POM164089  Claytonia parviflora A. A. Heller 1902-3-16 s.n. Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC439638  Claytonia parviflora subsp. parviflora Carl Meyer 1929-3-29 s.n. Sonoma Unspecified 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
  RSA534575  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River Comment
  POM151226  Clematis ligusticifolia A. A. Heller 1902-7-8 5809 Sonoma Mark West creek N of Santa Rosa. Comment
  UC55256  Clintonia andrewsiana Milo S. Baker 1899-6-28 Sonoma roadside near Duncan's Mills Comment
  SEINET12047064  Clintonia andrewsiana Unknown 1972-1 s.n. Sonoma Willow Creek, 4 mi S to SE of Jenner, in N-S canyon paralleling coast 30 Comment
  SEINET12050385  Clintonia andrewsiana F. H. Utech 1988-1 88 -213 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, Mile Marker 38.39 75 Comment
  POM311203  Collinsia greenei H. K. Sharsmith 1952-6-18 4130 Sonoma About 0.8 mile west of junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 915 Comment
  UCD55149  Collinsia heterophylla Ellen Dean; Tammie Beyerl 2006-4-28 3031 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 260 Comment
  JEPS78762  Collinsia sparsiflora var. arvensis L. R. Heckard with Michael Morris 1976-4-26 4235 Sonoma n Guerneville (s side of Gilman Creek near rd running nw of Vista Point and Redwood Lake (ca 3.4 mi from there)); Armstrong Redwoods State Park 182 Comment
  UC103393  Collinsia sparsiflora var. arvensis Michener and Bioletti Apr 1893 Sonoma Kenwood Comment
  UC103392  Collinsia sparsiflora var. sparsiflora Michener and Bioletti 1892-5-15 1662 a Sonoma South Los Guilucos Comment
  JEPS87235  Collinsia tinctoria Jack and Betty Guggolz 1992-6-13 1311 Sonoma w side Black Mtn (Anderson Trail, e of Geyserville) 609 Comment
  UCD158784  Collomia heterophylla James A. Neilson Jr. 1974-6-1 2878 Sonoma Mayacmas Mountains, west of Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation and coordinates estimated by label maker). 1066 Comment
  JEPS45845  Corallorhiza maculata Eleanor Armstrong 1932-5-20 501 Sonoma 3 1/2 mi s Camp Meeker 91 Comment
  CAS-BOT-BC376304  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At top of Telegraph Hill. 400 Comment
  CHSC52838  Cordylanthus pilosus subsp. pilosus L. R. Heckard; R. Bacigalupi, B. Doren 1971-9-11 2802 Sonoma 1/2 mile west on Lytton Springs road, about 2 miles north of Healdsburg. Comment
  UC444905  Cordylanthus pilosus subsp. pilosus V. King Chestnut 1887-7 Sonoma Santa Rosa Comment
  JEPS33006  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker Comment
  RSA74323  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  CAS-BOT-BC366870  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC209880  Cornus nuttallii A. T. Graff 1922-5-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC210433  Cornus sericea Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210440  Cornus sericea John Thomas Howell 1945-7-18 21317 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC212154  Cornus sericea Dorothy Scherer 1996-3-16 004 Sonoma West of hwy 1, north side of Kolmer Gulch, Fort Ross State Historic Park 7 Comment
  UC1042524  Cornus sericea subsp. sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh near Forestville (uppermost part of w. branch of Upper Marsh) Comment
  POM188384  Corylus cornuta var. californica Marcus E. Jones 1931-7-5 28850 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC290297  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC290301  Cotula coronopifolia Greg de Nevers; Frank Almeda 1987-4-11 8151 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC173676  Cotula coronopifolia Peter Rubtzoff 1962-10-9 5106 Sonoma Brooks Gulch Marsh. Comment
  RSA94302  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC427660  Crassula aquatica Peter Rubtzoff 1969-5-24 6052 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  UCD101836  Crassula connata Mary M. Hektner 1976-4-3 233 Sonoma gravelled parking lot at access to Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC143508  Crataegus gaylussacia Peter Rubtzoff 1958-5-3 3614 Sonoma Atascadero Creek Marsh Comment
  SEINET10628656 Image available Crataegus gaylussacia A. Arthur Heller 1902-8-20 Heller 6052 Sonoma Lagoon at Scbastopol. Comment
  UCD148420  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UCD116522  Crocanthemum scoparium Frederica Bowcutt 1994-6-25 1917 Sonoma 609 Comment
  UCD18321  Crocanthemum scoparium Frank Chan 1998-11-1 s.n. Sonoma N of city of Sonoma, close to Hogback Mtn. Comment
  UC963923  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-12 11766 Sonoma sw slope Hood Mt. Comment
  SBBG32322  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  CDA4472  Crupina vulgaris Willa May Lowary 1976-10-25 Sonoma From seed germinated in the Seed Laboratory, transferred to potting mix 7 September 1976; seed collected at Santa Rosa, Sonoma County, 7 July 1976. 0 Comment
  CDA4478  Crupina vulgaris G. D. Barbe, Willa May Lowary, T. C. Fuller 1976-7-7 2185 Sonoma West of Matanzas Creek, southeast of Bennett Valley golf course, Santa Rosa. 0 Comment
  CAS-BOT-BC190104  Crypsis schoenoides Peter Rubtzoff 1970-8-18 6309 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC190106  Crypsis schoenoides Peter Rubtzoff 1969-10-29 6200 Sonoma Pond on River Road 3 miles west of Fulton. Comment
  UCR255052  Crypsis schoenoides Greg de Nevers 1997-7-20 11070 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC857170  Cryptantha leiocarpa Milo S. Baker 1934-6-1 7704 Sonoma Wrights Beach Comment
  UC24696  Cryptantha muricata F. T. Bioletti 1890-1 Sonoma Hood Peak Comment
  RSA0079375  Cryptantha muricata var. jonesii Milo S. Baker 1947-5-7 11735 Sonoma SW slope of Hood Mt. near base of Sugar Loaf. 366 Comment
  NY16704  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
  JEPS79415  Cupressus macrocarpa Edward Lee with W. A. Setchell 1936-6-7 2189 Sonoma South ridge Fire Trail Bohemian Grove (Bohemian Grove, lower trees forming a very extensive area) Comment
  CAS-BOT-BC85455  Cupressus sargentii Elizabeth McClintock 1967-9-10 4 Sonoma Ida Clayton Road on west side of Mount St. Helena Comment
  CDA908  Cupressus sargentii D. G. Kelch 2006-1-24 6 .323 Sonoma Occidental. Harrison Grade Rd., serpentine. Comment
  UC570367  Cupressus sargentii Chas. M. Belshaw 1936-3-8 1557 Sonoma 2 mi ne Occidental; North Coast Range 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
  RSA94092  Cuscuta campestris J. T. Howell 1946-8-17 22851 Sonoma The Laguna north of Sebastopol Comment
  RSA785056  Cuscuta howelliana Peter Rubtzoff 1976-6-18 8648 Sonoma False Lake Meadow area. Annadel State Park Comment
  UC31350  Cynara cardunculus subsp. cardunculus unknown 1899-7-9 116 Sonoma Sebastopol Comment
  UC1131374  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCR248761  Cynodon dactylon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles south of Stony Point Road 75 Comment
  RSA94465  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville; area between the Upper and the Lower marshes Comment
  CAS-BOT-BC190428  Cynosurus echinatus John H. Thomas 1976-6-18 18359 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  CAS-BOT-BC190472  Cynosurus echinatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north off Crow's Nest Road and east of Spy Glass Lane. The Sea Ranch. Comment
  UCD60140  Cynosurus echinatus Gerry North 1993-4 47 Sonoma Flora of Sugarloaf Ridge State Park. Ca. 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. At first pullout on right after Goodspeed trailhead, less that 0.2 mile east of park entrance gate. 243 Comment
  UCD60164  Cynosurus echinatus Beecher Crampton 1957-7-11 4346 Sonoma Sonoma Coast State Park, 7.4 miles north of Salmon Creek. Comment
  UCD60173  Cynosurus echinatus Rimo Bacigalupi; L. Heckard 1961-6-9 7743 Sonoma Near reservoir at head of North Fk. of Lancel Creek; just below the serpentine area along Stoeti Lane, about 1/2 mile northwest of its junction with Harrison Grade road, about 3/4 mile northwest of Occidental School. 222 Comment
  UCR248900  Cynosurus echinatus Peter Rubtzoff 1972-5-25 6765 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC114439  Cyperus erythrorhizos Peter Rubtzoff 1961-9-20 4757 Sonoma Lagune de Santa Rosa, NE of Graton, near Guerneville Road crossing. 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
  CAS-BOT-BC114228  Cyperus fuscus Peter Rubtzoff 1987-10-17 9872 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  UC688870  Cyperus niger Freed Hoffman 1943-10-26 Sonoma overflow pool of Russian R. Guerneville Comment
  UC1299377  Cypripedium californicum Freed W. Hoffman 1947-5-30 514 a Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CDA9638  Cystopteris fragilis D. G. Kelch 2007-5-13 7 .296 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC189804  Dactylis glomerata G. DeNevers 1981-5-23 1252 Sonoma Pepperwood Ranch. Along Franz Valley Road. Comment
  CAS-BOT-BC189806  Dactylis glomerata John H. Thomas 1976-6-15 18311 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  JEPS97535  Dactylis glomerata R. D. Stone 1980-11-29 327 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  CAS-BOT-BC445560  Damasonium californicum J. W. Congdon 1880-5-16 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192270  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River 22 Comment
  UCD21145  Danthonia californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 320 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD60988  Danthonia californica John Thomas Howell 1930-6-8 5217 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  SEINET9367871  Danthonia californica Unknown 1965-5-13 7339 Sonoma Ca. 8.5 mi SE of Geyserville, S end of Alexander Valley, jct of Callistoga (Hwy 128) and Chalk Hill roads. Comment
  RSA126872  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1.5 miles northeast of Graton 30 Comment
  UCD60524  Danthonia californica var. americana R. Tofsrud 1948-6-24 s.n. Sonoma Old cemetery at end of McDonald Ave., Santa Rosa. Comment
  SEINET3926762  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma Located 5 miles south of Geyserville.; 0 Comment
  RSA114300  Danthonia californica var. californica J. T. Howell 1957-6-13 32622 Sonoma slope bordering Pitkin Marsh Comment
  CAS-BOT-BC154986  Datura Peter Rubtzoff; Irene Rubtzoff 1968-8-31 5940 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC154984  Datura Peter Rubtzoff 1969-8-26 6159 Sonoma River Road, ca. 3 mi. west of Fulton. Comment
  CDA5765  Datura stramonium T. C. Fuller 1957-12-17 Sonoma 1 mile north of Petaluma. 0 Comment
  CAS-BOT-BC154138  Datura stramonium var. tatula Peter Rubtzoff 1951-8-5 593 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  CAS-BOT-BC293812  Deinandra corymbosa Walter Knight; Irja Knight 1965-9-13 1190 Sonoma Lohrman Lane near firehouse. Petaluma Comment
  SEINET11845323  Delairea odorata W. Knight, Knight, I. 1990-1 6568 Sonoma along Coast Hwy #1 northbound through Jenner Comment
  CAS-BOT-BC9575  Delphinium bakeri Milo S. Baker 1929-5-3 3429 Sonoma Coleman Valley Comment
  CHSC60191  Delphinium bakeri J. Lund 1980-4-12 Sonoma 0.1 mile west of Petrified Forest Road and Porter Creek Road junction. Comment
  CAS-BOT-BC9019  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9022  Delphinium decorum M. Hallet 1927-4-1 s.n. Sonoma Graton Comment
  UCR25999  Delphinium hesperium J. Townsend 1977-5-30 s.n. Sonoma E side of Russian River about 2 mi. south of Gurneyville. 18 Comment
  LA38290  Delphinium hesperium Lewis; Epling, Stebbins 515 Sonoma Bodega Bay, 1 mi. E of ocean Comment
  UC118585  Delphinium hesperium subsp. hesperium Michener and Bioletti 1892-5-30 932 a Sonoma Hood's Peak Comment
Read comments
Jun 5 2007
  SEINET3159607  Delphinium luteum L. S. Rose 1939-1 Sonoma Comment
  NY353342  Delphinium luteum A. A. Heller 1902-4-11 5256 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
  POM150547  Delphinium nudicaule A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  UC635359  Delphinium nudicaule H. L. Mason 1928-4-7 4277 Sonoma Jenner Russian River (mouth of river) Comment
  UCR265118  Delphinium nudicaule Ann Howald 2015-4-1 3316 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC8011  Delphinium nudicaule Margot Lowry 1983-5-1 44 Sonoma One mile from top of Sonoma Mtn. Road, Sonoma Mountain 500 Comment
  CAS-BOT-BC9893  Delphinium nudicaule John Thomas Howell 1931-4-18 6427 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC9894  Delphinium nudicaule John Thomas Howell 1931-4-18 6427 Sonoma 8 miles N of Bay Comment
  UC907684  Delphinium variegatum G. Thomas Robbins 1937-5-23 191 Sonoma along Santa Rosa-Sebastopol road near Wright School Comment
  UCSC000275  Delphinium variegatum Beryl O. Schreiber 1936-3-5 2210 Sonoma 2 miles W.N.W. of Mark West Springs Comment
  CAS-BOT-BC7765  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1940-4-6 4273 Sonoma South of Shellville 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-BC201647  Deschampsia danthonioides G. DeNevers 1981-6-20 1638 Sonoma NE end of Pepperwood, on the E Road to Knights Valley Comment
  CAS-BOT-BC201652  Deschampsia danthonioides K. Wagnon 1939-5-11 189 Sonoma In Bennett Valley Comment
  CAS-BOT-BC210168  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6084 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. 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
  UC9934  Dicentra formosa Harley P. Chandler 1900-5-25 669 Sonoma Bodega Comment
  CAS-BOT-BC209248  Dichanthelium acuminatum subsp. acuminatum R. Spellenberg 1966-9-7 1618 Sonoma The Geysers, along Sulphur Creek downstream from the geysers area. 100 Comment
  CAS-BOT-BC254477  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1937-6-6 13032 Sonoma Pitkin Marsh Comment
  SEINET7293082 Image available Dichanthelium acuminatum subsp. fasciculatum Peter Kamb, Francia Chisaki 1950-1 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  UCR148109  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 C Sonoma North Coast Range, The Geysers, 12 mi (in direct line) east of Cloverdale, c. 0.5 mi east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise Thermal Power co. no. 10 494 Comment
  RSA654140  Dichanthelium acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Cloverdale. North slope of well above Geysers Creek. 494 Comment
  HSC104249  Dichanthelium lanuginosum var. thermale R. York, Sally de Becker, Laurie Wickenheiser, Joe O'Hagan 1990-7-24 90001 Sonoma The Little Geysers, south of Little Geysers Creek Comment
  UC353870  Dichelostemma capitatum Milo S. Baker 1927-7-3 2288 a Sonoma near Cobb Mt. top; Cobb Mt. Comment
  CAS-BOT-BC502213  Dichelostemma capitatum A. A. Heller 1902-6-23 s.n. Sonoma Petrified forest Comment
  SEINET12049794  Dichelostemma capitatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -176 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  SEINET12053848  Dichelostemma capitatum Unknown 1936-1 13369 Sonoma near Healdsburg Comment
  CHSC33027  Dichelostemma capitatum subsp. capitatum Jane A. Rogers 1979-4-15 11 Sonoma S side of Barnett Valley Rd., ca. 2 mi. e of intersection of Barnett Valley Rd. and Bodega Hwy., ca. 4 mi. w of Sebastopol. 137 Comment
  UCD148240  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-29 2901 Sonoma 0.6 mi E of Occidental, at jct Occidental Rd and Facendini Lane. 262 Comment
  POM169356  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-14 5065 Sonoma Near Windsor Comment
  UCD55137  Dichelostemma congestum Ellen Dean; Tammie Beyerl 2006-4-28 3019 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  CAS-BOT-BC176369  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC152039  Diplacus aurantiacus Walter Knight; Irja Knight 1963-10-27 441 Sonoma Spring Mt. Road Comment
  SBBG21355  Diplacus aurantiacus V. Haraden 1941-7-13 Sonoma canyon, ca. 20 mi E of Bodega Bay 304 Comment
  CDA37724  Dipsacus sativus R. Breckenridge/S. Ostrom 2009-5-6 s.n. Sonoma Windsor, along Highway 101. 0 Comment
  UCD137487  Dipsacus sativus J. D. Skoss 1948-7-25 40 Sonoma Shellville. Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  RSA0022416  Distichlis Peter Rubtzoff 1970-7-17 6285 Sonoma 5 miles north of Sears Point. Comment
  UCD151168  Dodecatheon hendersonii James A. Neilson Jr. 1974-3-27 s.n. Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  HSC17868  Dodecatheon hendersonii R. F. Good 1962-4-20 23 Sonoma 2 mi. W of Petaluma on D St. Extension toward Pt. Reyes: Sonoma Mtn. Coastal Range 46 Comment
  UC1244025  Downingia concolor var. concolor John H. Weiler 1960-4-22 60101 Sonoma 3.0 mi n Agua Caliente (or 1.7 mi n of the turn to the Sonoma State Home, on the w side of State Highway 12) Comment
  UCD150850  Downingia concolor var. concolor 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
  JEPS103647  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 147 -95 Sonoma N of Sonoma at Rt. 12 entrance to Sonoma Valley Regional Park Comment
  RSA21846  Downingia concolor var. concolor Alice Eastwood, J. T. Howell 1936-5-19 2508 Sonoma 2 miles north of Windsor Comment
  UC890621  Downingia concolor var. concolor Allison Hastings 1940-5-3 Sonoma 2 mi <?> Smith's Corners (on Molino Road) Comment
  JEPS54476  Drosera rotundifolia Rimo Bacigalupi 1967-8-30 9313 Sonoma near eastern end of Templeman Road (se of Forestville); Pitkin Marsh 45 Comment
  UCSB3686  Drosera rotundifolia Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 mile north of Sousa Corners; toward south end of marsh Comment
  CAS-BOT-BC159462  Drymocallis glandulosa var. glandulosa L. R. Abrams 1916-7-4 5792 Sonoma Road between Petrified Forest and Mark West Comment
  UCD151157  Dryopteris James A. Neilson Jr. 1973-6-6 s.n. Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  SEINET11620875  Dryopteris arguta F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -61 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  POM188329  Dryopteris arguta Marcus E. Jones 1931-7-5 29172 Sonoma West of Cloverdale. Comment
  UC1201281  Dryopteris arguta E. Samuels 233 Sonoma Comment
  UCD151156  Dudleya cymosa James A. Neilson Jr. 1973-6-7 2947 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment
  SEINET12217534  Dudleya cymosa F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -238 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC428181  Dudleya cymosa subsp. cymosa C. F. Leitholt 1893-6-1 s.n. Sonoma On the border of Bennett Valley Comment
  UC830945  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UC933226  Dudleya farinosa Reid Moran June 1949 3185 Sonoma Jenner Comment
  SD71428  Dysphania botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  SD131828  Dysphania pumilio Barbara Eritter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, Point below Little Flat parking area W of bridge, steep bare banks left by receding water. 152 Comment
  RSA796381  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  CHSC59374  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay, Bay Flat Road, near Clark Marsh. Roadside. Comment
  UCD61186  Ehrharta calycina P. G. Connors 1991-5-15 106 Sonoma Bay Flat Rd., above Spud Point Marina. Comment
  UCD61187  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay, Bay Flat Road, near Clark Marsh. Comment
  RSA800156  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 mi N of Sears Point. Comment
  RSA800157  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC113727  Eleocharis acicularis Catherine Best 1981-8-22 s.n. Sonoma At the pond on Stoltz Lane about 2 miles NE of Occidental. Comment
  RSA94013  Eleocharis acicularis var. acicularis Peter Rubtzoff 1951-7-22 531 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC112983  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112195  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Pitkin Marsh, near Forestville: Southern half of Lower Marsh Comment
  CAS-BOT-BC112200  Eleocharis radicans Peter Rubtzoff 1965-8-22 5619 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  SEINET239008  Elymus glaucus P. G. Connors 1990-5-25 19 Sonoma Bodega Marine Station below BMR 0500N 4100E. Comment
  UC769909  Elymus glaucus Robert F. Hoover 1941-6-7 5300 Sonoma Molino Comment
  UCD61840  Elymus glaucus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-19 23 A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC203715  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-10 1229 B Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203723  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1106 B Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  UC1146609  Elymus glaucus subsp. jepsonii Freed W. Hoffman 1942-6-30 2118 Sonoma Lone Mountain Farm North Coast Ranges (near Guerneville) Comment
  UC1146678  Elymus glaucus subsp. virescens Freed W. Hoffman 1944-5-27 2009 Sonoma Bodega Park North Coast Ranges (ocean bank) Comment
  CAS-BOT-BC235231  Elymus multisetus G. DeNevers 1981-6-14 1510 Sonoma Pepperwood Ranch. On the face of Horse Hill, above the Mesa 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
  UCD167526  Emmenanthe penduliflora James Neilson 1979-6-26 3977 Sonoma Mayacmas Mountains, along Cadd Fire trail about 2 miles NW Contact Mine. (Notebook says on ridge between Big and Little Sulphur Creeks ca. 2 mi NW of Socrates Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR255660  Epilobium Greg de Nevers 1998-4-28 11208 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  CAS-BOT-BC368082  Epilobium Greg de Nevers 1998-4-28 11208 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  UC20095  Epilobium brachycarpum J. Burtt Davy Aug. 1896 4139 Sonoma Russian River Comment
  CAS-BOT-BC268054  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1692 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC268107  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC262990  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1523 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800033  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1524 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800034  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1692 Sonoma Guerneville Marsh. Comment
  RSA0015639  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5865 Sonoma SE of Lower Salmon Creek Marsh. Comment
  RSA800631  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1681 Sonoma Bodega Head Marsh 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
  SD251254  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidenta Marsh Comment
  JEPS82530  Epipactis gigantea Roger Raiche 1984-5-19 40162 Sonoma n Cazadero; The Cedars, headwaters of Big Austin Creek 243 Comment
Read comments
Oct 16 2007
  CAS-BOT-BC164680  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD135324  Equisetum Donna Allen 1977-5-24 s.n. Sonoma Dry cr. rd. side 15 miles from the coast. Comment
  JEPS79611  Equisetum X ferrissii Edward Lee 1979-7-21 Sonoma e Santa Rosa (Schultz Canyon); Annadel State Park Comment
  UC211449  Equisetum hyemale subsp. affine Michener and Bioletti Mar, 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC164055  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC57650  Equisetum telmateia Peter Rubtzoff 1954-9-6 1741 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC204446  Eragrostis cilianensis Greg de Nevers 1996-9-23 10883 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piny Canyon 487 Comment
  UC576297  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa; Santa Rosa Quad. 60 Comment
  UCD64315  Eragrostis pectinacea Beecher Crampton 1953-11-18 1736 Sonoma 10 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC284186  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1963-9-28 5278 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg, Russian River Comment
  RSA785924  Erechtites glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC291172  Erechtites glomeratus Mary P. Wells 1985-5-26 494 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC164648  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC291253  Erechtites minimus John H. Thomas 1976-6-17 18351 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Comment
  RSA0062824  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC131610  Ericameria arborescens Walter Knight; Irja Knight 1963-8-23 194 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC293621  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  UCD131288  Erigeron canadensis Frederica Bowcutt 1995-11-19 2064 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Along Adobe Canyon Road. About 0.5 miles W of kiosk and turn off for campground. About 1 air mile SW of Red Mtn. 304 Comment
  CAS-BOT-BC300304  Erigeron supplex Mary P. Wells 1984-6-8 338 Sonoma Site of North Fire station area. Near Milepost 55.44 on Hwy. 1. The Sea Ranch Comment
  CAS-BOT-BC300306  Erigeron supplex A. G. Vestal 1937-6-18 s.n. Sonoma 1.7 mi n. of Stewarts Point P. O. Comment
  SEINET12327812  Eriodictyon californicum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -075 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 107 Comment
  JEPS128291  Eriogonum cedrorum Roger Raiche 2008-7-26 018 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD160838  Eriogonum dasyanthemum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3483 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC259250  Eriogonum latifolium Noel H. Holmgren; James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View Comment
  SD38697  Eriogonum latifolium Edith A. Purer 1932-7-16 4033 Sonoma Bodega Bay, sandy bluff Comment
  UC534933  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma 2 mi n Bodega Comment
  SD22291  Eriogonum latifolium John Thomas Howell 1930-7-27 5413 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  UCD100300  Eriogonum luteolum K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC259471  Eriogonum luteolum John Thomas Howell 1932-9-18 10785 Sonoma Field bordering Sonoma Creek where it enters the level of Sonoma Valley Comment
  CAS-BOT-BC261700  Eriogonum nudum var. nudum Helen D. Geis 1902-8-1 571 Sonoma Skaggs Comment
  CAS-BOT-BC261689  Eriogonum nudum var. nudum Catherine Best 1981-8-8 s.n. Sonoma Above Morelli Lane about 1 mile northeast of Occidental Comment
  POM165167  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  RSA393332  Eriogonum nudum var. nudum Christopher Davidson 1977-6-20 6022 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  UC77615  Eriogonum nudum var. nudum Prof. T. S. Heaton June 1888 Sonoma Verrano Comment
  CAS-BOT-BC301147  Eriophyllum lanatum var. achilleoides Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC301152  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CDA5239  Eriophyllum lanatum var. achilleoides G. D. Barbe 1982-5-27 3619 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  JEPS41003  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1963-6-3 64057 Sonoma n end Bodega Bay (coastal bluffs) Comment
  UC893781  Eriophyllum lanatum var. arachnoideum Marcus E. Jones, A. M. 1882-7-17 2733 Sonoma Duncans Mills Comment
  UCD132185  Eriophyllum lanatum var. arachnoideum Charles B. Heiser Jr. 1946-4-13 1721 Sonoma 2 miles east of Jenner. Comment
  UCD38478  Eriophyllum staechadifolium Beecher Crampton 1955-6-17 2972 Sonoma State Hwy. 1, 4 miles south of Fort Ross. Bluffs above the sea. Comment
  CAS-BOT-BC293760  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  CDA13482  Eryngium aristulatum G. F. Hrusa, Allen Buckman 1997-7-21 14010 Sonoma North Coast Biodiversity Arena; approx. 200 m. W of Hwy 128 in drainage of Blossom Creek, 2 km. NW of Tubbs Lane int. Sheet 1 of 2 Comment
  JEPS97594  Eryngium aristulatum R. D. Stone 1985-6-1 676 Sonoma Shiloh Ranch Mark West Springs (2.3 airmiles NE of intersection of Shiloh and Faught rds.;0.6 airmiles WSW of); a small tributary in Mark West Creek drainage 259 Comment
  UC1487266  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 502 Sonoma w. Santa Rosa (at junction of State Hwy. 12 & Wright Rd.) Comment
  SBBG27233  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma San Pablo Bay SW of Sonoma Comment
  UCD126741  Eryngium constancei G. F. Hrusa; R. Gross 1996-6-30 13057 Sonoma North Coast Biodiversity Arena; On the summit of Mayacmas Range at west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  UCD115023  Erysimum Jackie Sinkey 1976-4-17 s.n. Sonoma Bodega Head. 152 Comment
  CAS-BOT-BC54760  Erysimum franciscanum A. A. Heller; H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay. Comment
  CAS-BOT-BC366860  Erythranthe guttata Greg de Nevers 1998-3-30 11151 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Martin Creek, Handley Flat 400 Comment
  CAS-BOT-BC153625  Erythranthe inodora Peter Rubtzoff 1959-5-30 4060 Sonoma Freestone Marsh Comment
  SEINET8370236  Erythranthe microphylla Robert F. Thorne 1965-4-19 34286 Sonoma near county dump on Stoetz Road off of Harrison Grade ca. 2 miles nne of Occidental. 183 Comment
  CAS-BOT-BC383058  Erythranthe nasuta David B. Lowry 2005-5-10 CMF Sonoma Camp Meeker Falls, between Camp Meeker and Monte Rio near Bohemian Highway 104 Comment
  CAS-BOT-BC502683  Erythronium californicum Volney Rattan 1877-6-25 s. n. Sonoma near Cloverdale Comment
  SEINET9633973 Image available Erythronium californicum Fred W. Hoffman 1947-4-20 1866 Sonoma Near Mercury, Geysers to Healdsburg. Comment
  CAS-BOT-BC402864  Eschscholzia caespitosa Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 3 mi north of Occidental Comment
  CAS-BOT-BC402866  Eschscholzia caespitosa Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  SEINET6911603  Eschscholzia caespitosa W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy grassland about 7.8 miles south-southeast of Annapolis; northwest Sonoma county. Comment
  UCR44930  Eschscholzia californica L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  RSA149295  Eschscholzia californica subsp. californica Alice Eastwood 1900-6-9 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC202770  Euonymus occidentalis K. Wagnon 1939-5-1 220 Sonoma Along Jonive Cr. about 1/8 mile northeast of Wagnon Ranch, 5 mi. west of Sebastopol Comment
  SD58446  Euonymus occidentalis M. E. Ferguson, Van E. Ferguson 8-10 Jun 1919 249 Sonoma Between Guerneville and Monte Rio. Comment
  JEPS9606  Euonymus occidentalis var. occidentalis Miss Mabel White Sonoma Russian R., Camp Meeker 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
  CAS-BOT-BC202539  Euphorbia Peter Rubtzoff 1978-9-10 9265 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on So. Fitch Mtn. Road Comment
  CAS-BOT-BC376389  Euphorbia Greg de Nevers 1993-4-27 10405 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road. 400 Comment
  CAS-BOT-BC290686  Euphorbia Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 ca. 0.3 miles southeast of Forestville. Comment
  CAS-BOT-BC540836  Euphorbia Peter Rubtzoff 1970-9-2 6359 Sonoma Mirabel Park; Russian River bottom Comment
  RSA0002811  Euphorbia A. A. Heller 1902-7-2 5802 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  RSA0018572  Euphorbia Peter Rubtzoff 1987-10-17 9878 Sonoma Along Hwy 116 ca. 0.3 mi southeast of Forestville. Comment
  UC110453  Euphorbia crenulata Katharine Brandegee Jun 1905 Sonoma Bodega Comment
  UC424848  Euphorbia crenulata Milo S. Baker 1927-4-12 3426 Sonoma w of Graton (near Wayne <????>g<?>on place) Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  UCR254754  Euthamia occidentalis Peter Rubtzoff 1969-8-26 6155 Sonoma On River Road, c. 3 miles west of Fulton 27 Comment
  CAS-BOT-BC310742  Euthamia occidentalis Walter Knight; Irja Knight 1963-9-12 248 Sonoma Bridge on Magnolia Ave. near Thompson Lane, Petaluma Comment
  CAS-BOT-BC239715  Fabaceae Peter Rubtzoff; Nancy Harrison 1974-5-26 7472 Sonoma Vernal pool on Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC239723  Fabaceae Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente Comment
  CAS-BOT-BC384609  Festuca Greg de Nevers 1989-4-1 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCR249335  Festuca arundinacea Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area, northeast of Gratton, near the Laguna Road 30 Comment
  CAS-BOT-BC283187  Festuca californica subsp. californica G. DeNevers 1981-6-6 1450 Sonoma Franz Valley Road, Pepperwood Ranch Comment
  UC1023603  Festuca elmeri Mary Focht 1935-5-31 75 Sonoma Mark West Road Comment
  CAS-BOT-BC278415  Festuca idahoensis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53981 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD151089  Festuca occidentalis James A. Neilson Jr. 1973-6-3 2960 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  OBI35900  Festuca perennis David J. Keil 1983-6-30 17214 Sonoma Stillwater Cove Regional Park Comment
  SEINET239010  Festuca roemeri Beecher Crampton 1967-5-15 7930 Sonoma Lytton Comment
  UCD66269  Festuca roemeri P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCD66379  Festuca rubra Mary M. Hektner 1974-7-20 156 Sonoma Near State Highway 1, Sea Ranch, Unit 24 Owners' Map. Comment
  SEINET181249  Filago gallica Bassett Maguire, R Maguire; Maguire 1934-6-7 15312 Sonoma 2 mi N of Kellogg Comment
  CAS-BOT-BC457582  Fragaria vesca subsp. californica J. W. Congdon only April written on sheet s.n. Sonoma Santa Rosa Comment
  UCD35634  Frangula californica Beecher Crampton 1959-6-16 5363 Sonoma 3 miles west of Graton. Comment
  CAS-BOT-BC53275  Frangula californica subsp. californica John Thomas Howell 1938-7-3 13955 Sonoma 3 miles N. of Sebastopol Comment
  CAS-BOT-BC53272  Frangula californica subsp. californica Walter Knight; Irja Knight 1963-9-3 245 Sonoma Wiggins Hill Comment
  CAS-BOT-BC223379  Fraxinus dipetala John H. Thomas 1976-6-18 18364 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC217873  Fraxinus latifolia John Thomas Howell 1951-5-28 27498 Sonoma Laguna east of Sebastopol Comment
  CAS-BOT-BC218586  Fraxinus latifolia Peter Rubtzoff 1951-8-19 653 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  RSA17443  Fritillaria affinis Elmer I. Applegate 1934-3-25 8861 Sonoma Pine Flat region, west slope of the Mayacama Range Comment
  UC615378  Fritillaria affinis Beryl O. Schreiber 1932-4-3 211 Sonoma e side of Mount St. Helena Mount St. Helena Comment
  CAS-BOT-BC130359  Fritillaria liliacea Anita Noldeke 1940-4-1 s.n. Sonoma Near Sebastopol Comment
  CHSC40038  Fritillaria recurva Michener; Bioletti 1893-4-1 Sonoma Hood Peak. Comment
Read comments
Jan 1 2012
  RSA785726  Fritillaria recurva Carrie A. Herd 1982-3-27 31 Sonoma Hwy. 128/Philo-Greendwood Road Comment
  UC72490  Fritillaria recurva Milo S. Baker 1902-3-27 Sonoma Hood's Peak Comment
  RSA264748  Galium aparine Peter Rubtzoff 1964-7-29 5439 Sonoma Brooks Gulch Marsh. Comment
  UCD121716  Galium aparine Caitlin Lewis; William Mutch 1993-4-17 20 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  UCD158783  Galium bolanderi James A. Neilson Jr. 1974-6-1 2768 Sonoma Mayacmas Mountains, Geyser Rock, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  UC796575  Galium divaricatum Roxana S. Ferris and Laura Lorraine 1948-6-9 11661 Sonoma hillside 11 mi from Geyserville (on road to Kellogg) Comment
  UCD55328  Galium parisiense Ellen Dean 2006-6-28 3175 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  JEPS52971  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3899 Sonoma 1/2 mi n Occidental (on road to Camp Meeker) Comment
  JEPS6541  Galium triflorum R. F. Hoover 1941-5-14 5092 Sonoma near Joy District School (sw of Occidental) Comment
  CAS-BOT-BC311820  Gastridium Peter Rubtzoff; Nancy Harrison 1976-6-18 8649 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC320560  Gastridium Peter Rubtzoff 1970-8-19 6334 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero. Comment
  CAS-BOT-BC278683  Gastridium phleoides G. DeNevers 1981-9-12 1843 Sonoma Pepperwood Ranch. On Mark West Creek, at confluence with Leslie Creek Comment
  UCR248771  Gastridium ventricosum Peter Rubtzoff 1972-6-29 6798 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  SEINET7062819  Gaultheria shallon A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  UCSB4792  Gaultheria shallon Haller, John 1960-5-29 Sonoma 3.6 miles southeast of Stewarts Point settlement (road to Healdsburg), 11.8 miles northwest of Fort Ross on California 1 Comment
  HSC14659  Genista monspessulana F. Demostene 1966-4-4 19 Sonoma 1 mi. W of Healdsburg Comment
  POM264463  Gentiana oregana Annetta Carter, Ethel Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  CDA34813  Geranium dissectum Peter Warner 2010-3-29 178 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  SEINET12183465  Geranium dissectum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -180 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UCD103360  Geranium dissectum Caitlin Lewis; William Mutch 1993-4-17 22 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  CDA34794  Geranium molle Peter Warner 2010-3-29 121 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  CAS-BOT-BC366949  Gilia capitata Greg de Nevers 1997-4-16 10946 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET12329963  Gilia capitata F. H. Utech 1986-1 86 -105 Sonoma ca 3 mi NE on Cavedale Road 250 Comment
  JEPS30830  Gilia capitata subsp. chamissonis Rimo Bacigalupi and L. R. Heckard 1962-6-19 8586 Sonoma 1/4 mi se Horseshoe Cove (at northeastern base of low hills forming Bodega Head proper); ne base of low hills Bodega Head, se of Horseshoe Cove 12 Comment
  POM179724  Gilia capitata subsp. chamissonis J. T. Howell 1930-6-8 5272 Sonoma North end of Bodega Bay. Comment
  RSA83126  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma Near Hwy 1, 11 miles north of Bodega Comment
  LA206687  Gilia millefoliata Alice Eastwood; June 1915 sn Sonoma Bodega Point Comment
  SEINET7075497  Gilia tricolor subsp. diffusa A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  JEPS86003  Gilia tricolor subsp. tricolor Alice King 1897-5-10 Sonoma Healdsburg Comment
  UC29077  Githopsis diffusa subsp. robusta Edw. L. Greene 1888-8-30 Sonoma Mt. St. Helena Comment
  UCD166998  Githopsis diffusa subsp. robusta James A. Neilson Jr. 1984-5-30 s.n. Sonoma Mayacamas Mountains, Wildhorse, Caldwell Pines (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr., Neilson collection from 1975 are from Wildhorse #1 in the Caldwell Pines area.) Comment
  JEPS128197  Githopsis specularioides Roger Raiche 2000-5-4 075 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC894568  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC303750  Glebionis segetum Robert M. King 1980-7-8 8411 Sonoma Generally 2 miles N of Bodega Bay Comment
  CAS-BOT-BC227652  Glyceria Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh. Comment
  RSA786490  Glyceria declinata Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mi E of the Laguna de Santa Rosa. Comment
  RSA786605  Glyceria declinata Peter Rubtzoff 1966-4-30 5687 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. 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
  CAS-BOT-BC282809  Glyceria leptostachya Peter Rubtzoff 1960-6-8 4462 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC166688  Gnaphalium Peter Rubtzoff 1965-10-17 s.n. Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC173577  Gnaphalium Peter Rubtzoff 1969-11-2 6207 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166703  Gnaphalium chilense Peter Rubtzoff 1962-9-9 5081 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC166916  Gnaphalium chilense Peter Rubtzoff 1962-6-21 4936 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC176155  Gnaphalium chilense Peter Rubtzoff 1955-9-9 2125 Sonoma Bodega Harbor Marsh. Comment
  RSA94012  Gnaphalium chilense Peter Rubtzoff 1951-8-19 654 Sonoma Near the creek, just north of the Lower Marsh Comment
  CAS-BOT-BC302688  Gnaphalium palustre Peter Rubtzoff 1970-5-30 6236 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC302692  Gnaphalium palustre Peter Rubtzoff 1969-11-2 6208 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0004473  Godetia amoena var. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mile east of Glen Ellen. 30 Comment
  CAS-BOT-BC261651  Gratiola Peter Rubtzoff 1972-4-23 6730 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD165129  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA785749  Grindelia Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC305181  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  CAS-BOT-BC305196  Grindelia hirsutula Lewis S. Rose 1940-5-22 40364 Sonoma Sonoma 30 Comment
  UC897044  Grindelia hirsutula Lewis S. Rose 1940-5-22 40364 Sonoma Sonoma 30 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-BC305194  Grindelia hirsutula Milo S. Baker 1946-7-30 11542 Sonoma Eastern margin of Laguna. Upland. Along Occidental Rd. near bridge Comment
  CAS-BOT-BC123707  Grindelia hirsutula var. hirsutula John Thomas Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  POM225966  Grindelia stricta var. platyphylla P. A. Munz 1936-8-7 14306 Sonoma 2 miles north of Bodega. Comment
Read comments
Feb 6 2013
  UC74946  Guillenia lasiophylla unknown 1903-4-20 2629 Sonoma Mt. Helena Comment
  UCD85145  Hainardia cylindrica Beecher Crampton 1957-7-11 4323 Sonoma in Sonoma Coast State Park, about 0.8 mile north of Salmon Creek, along State Hwy. 1. Comment
  UCD85231  Hainardia cylindrica John Thomas Howell 1930-6-8 5219 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  CAS-BOT-BC306329  Hedypnois cretica D. Breedlove 1975-4-28 39495 Sonoma Near Doran Beach, Bodega Bay Comment
  CAS-BOT-BC306770  Helenium bigelovii John Thomas Howell 1947-6-26 23311 Sonoma Cunningham Marsh Comment
  RSA94303  Helenium bigelovii Peter Rubtzoff 1951-6-9 155 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC262949  Helenium puberulum Peter Rubtzoff 1955-7-31 2014 Sonoma Forestville Marsh. Comment
  RSA800282  Helenium puberulum Peter Rubtzoff 1957-8-18 3524 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA800290  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD132745  Helenium puberulum P. G. Connors 1991-6-25 182 Sonoma Bodega Head State Park. Comment
  CDA31289  Helianthella californica D. G. Kelch, Ed Biffin 2010-5-3 10 .201 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD131726  Helianthella californica Frederica Bowcutt 1994-6-25 1925 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
  JEPS25146  Helianthella californica subsp. californica G. Thomas Robbins 1959-5-16 4016 Sonoma Spring Mtn. Road between Calistoga Road and Sonoma-Napa County line; Mayacamas Mts. 304 Comment
  UC194163  Helianthella californica subsp. californica Michener and Bioletti 1893-6-1 Sonoma Wood's Ranch Comment
  OBI77851  Helianthus gracilentus David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-5 24503 Sonoma Along Cavedale Road ca. 1.5 miles from junction with Trinity Road, Mayacamus Mountains Comment
  CAS-BOT-BC123602  Heliotropium oculatum Amos Arthur Heller 1902-7-8 5813 Sonoma Bank of Russian River at Healdsburg Comment
  CAS-BOT-BC268071  Hemizonia Peter Rubtzoff 1972-6-29 6797 Sonoma Laguna, Chileno Valley. Comment
  UCD166299  Hemizonia Peter Rubtzoff 1966-6-5 5753 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC75963  Hemizonia citrina Miss M. Alice King 1987-6-1 Sonoma Comment
  POM179723  Hemizonia congesta J. T. Howell 1930-6-8 5216 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  RSA81615  Hemizonia congesta James I. McMurphy 1908-09 s.n. Sonoma George's Vineyard, near Fulton. Comment
  SDSU4563  Hemizonia congesta D. F. Howe 1965-8-8 4101 Sonoma 8 miles east of Bodega Bay on #1. Comment
  CAS-BOT-BC306165  Hemizonia congesta subsp. clevelandii L. R. Abrams 1916-7-4 5785 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC306219  Hemizonia congesta subsp. congesta James McMurphy 1908-9-27 s.n. Sonoma 2 mi. S. of Fulton Comment
  UCR80298  Hemizonia congesta subsp. congesta L. S. Rose 1935-9-11 35622 Sonoma North Coast Ranges, 2 mi north of Healdsburg 40 Comment
  CAS-BOT-BC306238  Hemizonia congesta subsp. congesta J. McMurphy 1909-5-30 s.n. Sonoma Between Windsor & Healdsburg Comment
  UCD132985  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-6-16 1063 Sonoma north side of Occidental Road and Facendini Lane. Comment
  CAS-BOT-BC309674  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309700  Hemizonia congesta subsp. lutescens L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309711  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 miles south of Jenner, on the Bodega road Comment
  CAS-BOT-BC309676  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -C Sonoma About a mile west of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309689  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road. Near sewage disposal plant at Laguna de Santa Rosa Comment
  JEPS116516  Hemizonia congesta subsp. lutescens Peter Warner 2009-6-3 102 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, in grassland 25 m S of main (west) gate 250 Comment
  JEPS86758  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-10-7 1098 Sonoma ne side of high ground e of Hwy 116 (and s of the n part of Gilchrist Road) 53 Comment
  CAS-BOT-BC309945  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  UC480911  Hemizonia congesta subsp. luzulifolia Katharine Brandegee 1910-8-14 Sonoma Cobb. Mt. Cobb Mt. Comment
  UC990626  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 Sonoma valley across hills from Petaluma Comment
  UCD133003  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles northeast of Penngrove. 426 Comment
  UCD55333  Hemizonia congesta subsp. luzulifolia Ellen Dean 2006-6-28 3177 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC309953  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 705 Sonoma Kenwood Comment
  UCD132142  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1995-11-7 2060 Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile S of Red Mountain. In Sonoma Creek watershed ust off of Bald Mountain. Road near western trailhead for Vista Trail. 548 Comment
  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
  CAS-BOT-BC310215  Hesperevax sparsiflora var. sparsiflora D. E. Breedlove 1976-3-27 39443 Sonoma Along Dry Creek Road about 3 miles past Warm Springs Road Comment
  UC1212264  Hesperolinon micranthum Helen K. Sharsmith 1947-5-30 3965 Sonoma s slope of mountain near Grant line; Inner North Coast Ranges, Hood Mountain 243 Comment
  RSA151834  Hesperolinon micranthum H. K. Sharsmith 1947-5-30 3965 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  UC1212379  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4132 Sonoma near Pine Flat-Middletown road crossing (above Big Sulphur Creek); Inner North Coast Ranges, Mayacamas Range 762 Comment
  RSA74068  Hesperolinon spergulinum Milo S. Baker 1947-7-15 11867 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  UCD113310  Heteromeles arbutifolia Jennifer Bury; Peggy Herzog 1993-5-8 257 Sonoma About air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. On south-facing rocky slope, 25 feet above parking lot, just off of Lower Bald Mountain Trail. 379 Comment
  UC858049  Heuchera pilosissima M. V. Ott 1934-3-31 79 Sonoma Larkspur Hill, 3 mi w Bodega (near the coast) Comment
  RSA800062  Hoita macrostachya Peter Rubtzoff, Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 mi south of junction with Sonoma Mountain Road (2.7 mi north of Lichau Road junction). Comment
  OBI78066  Hoita orbicularis Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  CAS-BOT-BC280794  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC280796  Holcus lanatus Roxana S. Ferris; Laura Lorraine 1961-6-14 13543 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UCD84979  Holcus lanatus M. Wiesendanger 1927-5-5 722 Sonoma Sonoma County. Sonoma. Comment
  UC12343  Holodiscus discolor F. T. Bioletti 1891-6-1 Sonoma Sonoma County Comment
  CAS-BOT-BC152394  Holodiscus discolor var. discolor Peter Rubtzoff 1952-6-9 1187 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC166675  Holozonia filipes Peter Rubtzoff; Nancy Harrison 1976-6-18 8646 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC990581  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  CAS-BOT-BC289294  Hordeum brachyantherum subsp. brachyantherum G. DeNevers 1981-5-12 1139 Sonoma At the Red Corral, old McCann Homestead, Pepperwood Ranch Comment
  UCD85368  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1955-4-5 2401 Sonoma 2 miles north of Healdsburg, along US Highway 101. Comment
  UCD85631  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Sonoma Fulton. Comment
  CAS-BOT-BC285190  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  RSA785737  Hordeum marinum subsp. gussoneanum Carrie A. Herd 1982-5-15 114 Sonoma Rohnert Park Comment
  CAS-BOT-BC284845  Hordeum murinum subsp. glaucum Peter Rubtzoff 1951-7-21 487 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  RSA128787  Hordeum murinum subsp. glaucum P. H. Raven 1950-4-6 1561 Sonoma Cotati to Santa Rosa. 30 Comment
  CAS-BOT-BC282022  Hordeum murinum subsp. leporinum Peter Rubtzoff 1959-6-6 4100 Sonoma Willow Crane Marsh Comment
  UC582808  Horkelia californica P. A. Munz 1936-8-7 14309 Sonoma 6 mi n Bodega Bay Comment
  POM225967  Horkelia californica Philip A. Munz 1936-8-7 14309 Sonoma 6 miles N of Bodega. Comment
  UC70428  Horkelia tenuiloba Milo S. Baker may 1899 Sonoma near the Laguna (Forest Hill Rd); Forestville Comment
  SBBG119671  Hosackia gracilis G. F. Pratt, C. Pierce 2003-5-15 Sonoma Salt Point State Park 30 Comment
  UCD106023  Hosackia gracilis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. 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
  CAS-BOT-BC290637  Hypericum Peter Rubtzoff 1974-6-9 7583 Sonoma Upper Green Valley Marsh. Comment
  RSA0020338  Hypericum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville. 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
  SBBG4757  Hypericum concinnum H. and M. Dearing 1939-5-14 3345 Sonoma near Healdsburg Comment
  SEINET11987351  Hypericum concinnum W. Knight, Knight, I. 1981-1 Sonoma 4.1 mi up Cavedale Road from jct of state rt. 12 Comment
  CAS-BOT-BC316676  Hypochaeris glabra Peter Rubtzoff 1965-8-29 5628 Sonoma Russian River bottom at Forest Hills 5.5 miles east of Guerneville Comment
  CAS-BOT-BC316682  Hypochaeris glabra John H. Thomas 1976-6-15 18319 Sonoma Southern end of Sea Ranch northeastern part of county about 7 miles south of Gualala 30 Comment
  UC1069664  Hypochaeris radicata H. S. Yates 1934-4-21 3777 Sonoma near Bodega; Sebastopol Quad. Comment
  CAS-BOT-BC316715  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  JEPS76919  Iris douglasiana Robert M. Lloyd 1963-2-24 2059 Sonoma 4 mi s State Highway 12 (on State Highway 1) 15 Comment
  SEINET12050753  Iris douglasiana F. H. Utech 1988-1 88 -183 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter 140 Comment
  UC623307  Iris fernaldii H. L. Mason 1939-5-18 12100 Sonoma 5 mi w Petrified Comment
  RSA135874  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17110 Sonoma 4.4 miles northwest from Mark West Springs, on road to Kellogg 107 Comment
  CAS-BOT-BC133679  Iris longipetala Peter Rubtzoff 1965-5-16 5529 Sonoma 6 mi. northeast of Penngrove on Lichau Rd. 335 Comment
  CAS-BOT-BC354327  Iris longipetala Peter Rubtzoff 1957-9-1 3526 Sonoma Duncans Mills, near Orrs Creek between Highway 12 crossing and Russian River. Comment
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Apr 18 2020
  CDA13304  Iris macrosiphon G. F. Hrusa, R. Gross 1996-4-2 12827 Sonoma North Coast Biodiversity Arena; Base of Diamond Mtn. on NW side. 2 m. S of Calistoga Comment
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Jul 28 2008
  SD56796  Iris macrosiphon Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  UC896986  Iris macrosiphon Alice Eastwood 1918-5-1 6822 Sonoma Mt. St. Helena Comment
  RSA135931  Iris macrosiphon E. K. Balls, Lee W. Lenz 1951-5-10 16535 Sonoma 0.3 miles south of Mendocino-Sonoma Co. line on Hwy 28. Comment
  CAS-BOT-BC376406  Isoetes Greg de Nevers 1997-5-30 11010 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Three Tree Hill. 400 Comment
  CAS-BOT-BC182769  Isoetes Peter Rubtzoff 1971-6-5 6514 Sonoma Dry bed of vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784489  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  UCD164100  Isoetes nuttallii Peter Rubtzoff; Nancy Harrison 1978-5-20 9182 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC112389  Isolepis carinata John Thomas Howell; J. W. Stacey 1937-6-6 13027 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112573  Isolepis cernua Peter Rubtzoff 1954-8-9 1660 Sonoma Bodega Head Marsh. Comment
  CHSC42880  Isolepis cernua Mary M. Hektner 1975-8-14 229 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CHSC91622  Isolepis cernua G. F. Hrusa 2000-11-13 15718 Sonoma Northern California. At base of ocean bluff. Kortum trail head to Goat Rock. Comment
  RSA540069  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC112563  Isolepis cernua John Thomas Howell 1930-6-8 s.n. Sonoma Salt Marsh at N end of Bodega Bay Comment
  UCD159763  Juncus James A. Neilson Jr. 1975-1-24 3165 Sonoma Mayacmas Mountains; Alder Creek drainage; Reservoir #2, Dominichelli Ranch. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC173567  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing Comment
  UCD164998  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing. Comment
  UCR252541  Juncus breweri Peter Rubtzoff 1954-8-3 1647 Sonoma Bodega Head Marsh 2 Comment
  UC1026489  Juncus bufonius Peter Rubtzoff 1951-6-7 125 Sonoma near Forestville (uppermost part of the w branch of the Upper Marsh); Pitkin Marsh Comment
  RSA785888  Juncus effusus var. brunneus Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  UCD141547  Juncus hesperius Mary M. Hektner; Sue Dakizaku 1974-6-3 015 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SD260861  Juncus hesperius Peter Rubtzoff 1970-9-3 6374 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek Crossing. Comment
  RSA789175  Juncus laccatus Peter Rubtzoff 1968-7-13 5919 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC328114  Juncus lescurii Peter Rubtzoff 1954-7-26 1559 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC328116  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  UCR248954  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh 9 Comment
  RSA0015643  Juncus lescurii Peter Rubtzoff 1955-8-20 2080 Sonoma Bodega Harbor Marsh. Comment
  UC143749  Juncus occidentalis A. A. Heller 1902-6-2 5634 Sonoma Santa Rosa Comment
  RSA42042  Juncus occidentalis H. C. Cantelow 1936-5-3 1304 Sonoma El Verano. 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
  UCD160828  Juncus patens James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3435 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CDA39262  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  JEPS121418  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains Comment
  RSA0022380  Kickxia elatine Peter Rubtzoff 1970-9-8 6381 Sonoma Marsh on River Road, ca. 3 mi west of Fulton. Comment
  RSA247442  Kickxia elatine Peter Rubtzoff 1959-6-20 4158 Sonoma Willow Creek Marsh. Willow Creek. Comment
  SEINET12333747  Kickxia elatine W. Knight, Wagnon, K. 1987-1 s.n. Sonoma Willow Creek between Corona Rd & Old Redwood Highway 6 Comment
  CAS-BOT-BC350941  Koeleria Peter Rubtzoff 1964-6-6 5357 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  UC1132153  Koeleria macrantha H. S. Yates 1937-5-3 6561 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  UCD160309  Koeleria macrantha James A. Neilson Jr. 1975-5-23 3218 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC273783  Koeleria pyramidata Catherine Best 1993-5-6 1414 Sonoma Pepperwood, in Weimar Meadow Comment
  CAS-BOT-BC273790  Koeleria pyramidata Peter Rubtzoff 1952-6-1 1136 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  CAS-BOT-BC502599  Kopsiopsis strobilacea Greg de Nevers 1991-7-20 9759 Sonoma Mt. St. Helena 1310 Comment
  UCD133518  Lactuca saligna Freed W. Hoffman 1946-8-23 797 Sonoma Lone Mountain Farm, near Guerneville. North Coast Range. Comment
  CAS-BOT-BC274318  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  CHSC79887  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail, UTM zone 10 4269N, 495E. 176 Comment
  SFV18518  Lamarckia aurea G. Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area. Austin Creek Trail. 177 Comment
  CAS-BOT-BC486685  Lamiaceae Peter Rubtzoff 1957-6-28 3374 Sonoma Duncans Mills Marsh Comment
  JEPS86815  Lamium purpureum Jack and Betty Guggolz 1991-5-14 1133 Sonoma s of Lone Pine Road (w of Hwy 116) 27 Comment
  CDA13781  Lamium purpureum G. F. Hrusa, R. Gross 1993-3-14 10528 Sonoma Knights Valley; NW base of Mt. St. Helena, approx. 10 mi. N of Calistoga on Hwy 128. 106 Comment
  JEPS86735  Lasthenia burkei Jack and Betty Guggolz 1990-4-25 1036 Sonoma 1.5 mi n Simi Winery (s of Lytton Road and w of Lytton Creek) 51 Comment
  UC1594206  Lasthenia burkei L. Huntington 1990-5-4 256 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  UC1594207  Lasthenia burkei L. Huntington 1990-5-4 255 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  CAS-BOT-BC346335  Lasthenia californica Dorothy Scherer 1997-4-15 085 Sonoma South of Kolmer Gulch and ca. 400 ft. east of Hwy One, Fort Ross State Historic Park 91 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
  SEINET11447680 Image available Lasthenia californica subsp. macrantha K. Brandegee 1905-6-27 s.n. Sonoma Near Bodega Bay; 38.33325 -123.048057 Comment
  CAS-BOT-BC355519  Lasthenia glaberrima John Thomas Howell 1935-5-5 12604 Sonoma Near Kenwood Comment
  CAS-BOT-BC355527  Lasthenia glaberrima Peter Rubtzoff 1970-5-30 6232 Sonoma Laguna de Santa Rosa, ne of Gradon, at end of Piner Road Comment
  HSC100946  Lasthenia gracilis Peter Warner 2011-3-26 182 Sonoma Annadel State Park, ~50 m E upslope from Live Oak Trail, ~200 m N of junction with Rough Go Trail. 229 Comment
  RSA123035  Lasthenia macrantha subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma Near Bodega 61 Comment
  UC893773  Lasthenia minor Milo S. Baker 1931-4-15 5385 Sonoma mouth of Salmon Cr. Comment
  CAS-BOT-BC164693  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  RSA783476  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area Comment
  UCD164991  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  CAS-BOT-BC204991  Lathyrus jepsonii var. californicus A. A. Heller 1902-6-11 5692 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  RSA0060103  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 100 Comment
  RSA161411  Lathyrus torreyi R. C. Bacigalupi 1926-5-2 1374 Sonoma Cazadero. Comment
  UCD106467  Lathyrus vestitus Frederica Bowcutt 1984-6-23 441 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1. Along bluff trail north of Gerstle Cove about 1/2 mile. 15 Comment
  UCD106476  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  RSA177993  Lathyrus vestitus subsp. bolanderi Robert F. Thorne 1965-4-19 34300 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  HSC14709  Lathyrus vestitus subsp. vestitus James Faro 1962-4-18 25 Sonoma About 4.5 mi. N of Guerneville on the Old Cazadero Rd. Comment
  CAS-BOT-BC323227  Layia chrysanthemoides David D. Keck 1931-4-2 997 Sonoma Boyes Springs. 30 Comment
  CAS-BOT-BC323257  Layia chrysanthemoides Alice Eastwood 1921-4-24 10395 Sonoma Santa Rosa Comment
  UC584208  Layia gaillardioides David D. Keck 1935-6-15 3379 Sonoma Russian River Comment
  UC584226  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 mi s Jenner Comment
  CAS-BOT-BC183607  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC210117  Leersia Peter Rubtzoff 1969-8-27 6163 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC376241  Leersia oryzoides Greg de Nevers 1992-8-16 10245 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  CAS-BOT-BC266609  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles NE of Penngrove, on Lichau Road 426 Comment
  UCD166260  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sear Point. 11 Comment
  CAS-BOT-BC210108  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  RSA0028898  Lemna gibba Peter Rubtzoff 1961-8-6 4674 Sonoma Americano Creek, 0.5 mi east of Valley Ford. Comment
  CAS-BOT-BC344877  Lemna minor Peter Rubtzoff 1958-8-31 3956 Sonoma Atascadero Creek Marsh. Comment
  UCD166422  Lemna minuta Peter Rubtzoff 1965-11-9 5667 B Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  CAS-BOT-BC527281  Lemna minuta Peter Rubtzoff 1951-9-2 705 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC527285  Lemna minuta Peter Rubtzoff 1964-9-3 5492 Sonoma Laguna de Santa Rosa area east of Cunningham near Llano Road Comment
  RSA0025211  Lemna minuta Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC534883  Lemna valdiviana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5847 Sonoma Llano Road near sewage disiposal plant near bridge on water of Laguna de Santa Rosa Comment
  SD56748  Leontodon saxatilis subsp. saxatilis Darley F. Howe 1963-7-3 3575 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  SEINET12329980  Lepechinia calycina F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -190 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 630 Comment
  CAS-BOT-BC173651  Lepidium Peter Rubtzoff 1964-6-24 5377 Sonoma Coleman Marsh, along Salmon Creek Comment
  CAS-BOT-BC371469  Lepidium appelianum Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Highway 37. Comment
  CAS-BOT-BC176125  Lepidium didymum Peter Rubtzoff 1958-8-9 3840 Sonoma Laguna de [Snata] Santa Rosa north of Sebastopol (nr. Occidental road) Comment
  CAS-BOT-BC89739  Lepidium latifolium Walter Knight; Irja Knight 1963-8-9 199 Sonoma North side Lakeville Highway at Petaluma Fertilizer office - Petaluma (waif). Comment
  RSA201201  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on hwy to Lakeville. Comment
  CAS-BOT-BC12660  Lepidium nitidum A. A. Heller 1902-3-14 5054 Sonoma Santa Rosa. Comment
  CAS-BOT-BC12967  Lepidium strictum J. W. Congdon 1880-3-1 s.n. Sonoma Petaluma. Comment
  RSA0057965  Leptochloa fascicularis Greg de Nevers 1997-9-22 11089 Sonoma Pepprwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  UCD161364  Leptosiphon acicularis James A Neilson Jr. 1976-5-5 3697 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, alternate well site #2. (Coordinates and location estimated by label maker.) Comment
  SBBG5965  Leptosiphon androsaceus H. and M. Dearing 1939-5-14 3354 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD118578  Leptosiphon androsaceus Erik Beever 1993-5-8 214 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. East entrance to Pony Gate Trail. 365 Comment
  UCD118606  Leptosiphon bicolor Botany 102 Students 1993-4-24 100 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. 1.25 air miles SE of Red Mountain. SE of Sonoma Creek. 396 Comment
  CAS-BOT-BC226700  Leptosiphon jepsonii G. DeNevers 1981-4-8 664 Sonoma Pepperwood Ranch. Pippindale Farm. Hansel's cow pasture, at trail over her driveway Comment
  CHSC117133  Leptosiphon jepsonii Estelle P. Clifton 2016-4-16 Sonoma 4611 Porter Creek Road, Santa Rosa, CA 95404 Comment
  CAS-BOT-BC324190  Lessingia hololeuca J. W. Compton 1880-9-1 s.n. Sonoma Petaluma Comment
  UC1287461  Lessingia ramulosa Willard Spence 1960-9-13 631 Sonoma 2.5 mi w Graton (at junction of Graton Rd. and Green Hill Rd.) Comment
  UC75905  Lessingia ramulosa Miss M. Alice King September 1896 Sonoma near Healdsburg Comment
  CAS-BOT-BC341998  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  UC648276  Ligusticum apiifolium Alice Eastwood and John Thomas Howell 1939-6-11 7409 Sonoma near Triniti P.O. (Hood Mt. Range); Hood Mt. Range Comment
  CAS-BOT-BC436056  Ligusticum grayi Rimo Bacigalupi 1926-5-2 1388 Sonoma Cazadero Comment
  CAS-BOT-BC451708  Lilaea scilloides Peter Rubtzoff 1955-4-30 1799 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC130651  Lilium maritimum Catherine Best 1981-6-5 s.n. Sonoma Hwy. 1 near Lumber Cove Comment
  CAS-BOT-BC130827  Lilium pardalinum John Thomas Howell 1945-5-30 20897 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC123087  Lilium pitkinense Lawrence Beane; Albert Michael Vollmer 1954-7-20 1270 Sonoma in the Pitkin Marsh Comment
  CAS-BOT-BC133000  Lilium rubescens A. T. Graff 1925-6-7 s.n. Sonoma Trospers Comment
  UC1057461  Limnanthes douglasii G. Thomas Robbins 1937-5-23 180 Sonoma near Wright School (along road between Santa Rosa and Sebastopol) Comment
  RSA215900  Limnanthes douglasii Peter Rubtzoff 1955-4-30 1788 Sonoma Stony Point Marsh. Comment
  RSA178016  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34274 a Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC45944  Limnanthes vinculans Peter Rubtzoff 1962-5-25 4830 Sonoma Laguna de Santa Rosa north of Sebastopol, nr. Occidental Rd. crossing. Comment
  UC1331756  Limnanthes vinculans R. Ornduff 1965-5-8 6860 Sonoma e Cunningham (nr. Llano Road); Laguna de Santa Rosa Comment
  UC1331757  Limnanthes vinculans T. J. Crovello 1965-5-8 706 Sonoma 0.4 mi n Route 116 (along Llano Rd, e of Cunningham); Laguna de Santa Rosa Marsh Comment
  RSA0004098  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  UC1925911  Limonium californicum Ethel Crum 1930-10-5 869 Sonoma Petaluma Marshes, Sonoma County to Rio Vista, Solano County. Comment
  RSA800890  Limosella acaulis Peter Rubtzoff 1964-8-20 5469 Sonoma Near pond 1 mile SE of Jenner (near jct of Hwy 1 and Hwy 12) Comment
  UC52738  Linanthus androsaceus C. B. Turrill Sonoma Comment
  UC907840  Linanthus bicolor Milo S. Baker 1898-1 Sonoma Bodega Bay Region Comment
  UC336386  Linanthus jepsonii unknown 491 Sonoma Knights Valley Comment
  CAS-BOT-BC225244  Linanthus latisectus Greg de Nevers 1995-5-5 10722 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, on the way to Wiemar Flat 487 Comment
  POM316764  Linum angustifolium Patricia Wilder 1965-6-10 3635 Sonoma 1.0 mile N of Jenner on Calif. State Hwy 1. North Coast Mt. Range. 23 Comment
  SEINET7067243  Linum bienne A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1 and east of Ocean Cove. Coordinate datum: NAD27. Comment
  NY388357  Linum spergulinum H. N. Bolander 06 1867 s.n. Sonoma Cloverdale Comment
  UCR265120  Lithophragma affine Ann Howald 2015-4-1 3315 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC435673  Lithophragma heterophyllum G. de Nevers 1993-3-24 10334 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Canyon 304 Comment
  SEINET12216914  Lithophragma heterophyllum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -204 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  CAS-BOT-BC342132  Logfia filaginoides H. L. Mason 1934-4-28 8062 Sonoma Baker's Ranch, near Kenwood Springs Comment
  CAS-BOT-BC342501  Logfia gallica Peter Rubtzoff 1952-6-3 1168 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC283286  Lolium multiflorum Peter Rubtzoff 1951-7-21 488 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  CAS-BOT-BC283291  Lolium multiflorum Peter Rubtzoff 1951-6-17 276 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  CAS-BOT-BC283284  Lolium multiflorum John H. Thomas 1966-5-8 11598 Sonoma 1.4 miles W of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa Comment
  UCD66201  Lolium multiflorum Collector Unknown 1941-3-1 Sonoma Fremont School, Santa Rosa. Comment
  SEINET10592055  Lolium temulentum A. Arthur Heller 1902-6-10 Heller 5679 Sonoma Santa Rose. Comment
  UCD66664  Lolium temulentum Collector Unknown 1941-4-1 Sonoma Sebastopol Hwy. Comment
  UCD167355  Lomatium californicum James Neilson 1981-5-28 4036 Sonoma Mayacmas Mountains. The Geysers. Vicinity of PG and E lookout. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR45090  Lomatium dasycarpum L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SEINET12121702  Lomatium dasycarpum W. Knight, Knight, I.; Edwards, S. 1986-1 5371 Sonoma along trail to summit of Geyer Peak, access from Healdsburg-Geysers Rd 856 Comment
  POM132575  Lomatium dasycarpum subsp. dasycarpum A. A. Heller, H. E. Brown 1902-3-17 5088 Sonoma Hills 8 miles northeast of Santa Rosa Comment
  UC1299237  Lomatium marginatum var. purpureum Freed W. Hoffman 1949-6-5 3212 Sonoma Lincoln Rock, on Lake County--Pine Flat road North Coast Ranges 685 Comment
  UC1123059  Lomatium utriculatum H. S. Yates 1934-4-21 3794 Sonoma near Bodgea; Sebastopol Quad. Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC240653  Lonicera hispidula G. DeNevers 1981-6-27 1674 Sonoma Pepperwood Ranch. On a walk up through the Devil's Kitchen. Kellogg Ranch. Starting from the bottom of the hill in Franz Valley, along Franz Valley Road Comment
  POM46734  Lonicera involucrata A. A. Heller 1902-6-11 5690 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  SEINET5784640 Image available Lonicera involucrata Marcus E. Jones 1882-1 2739 Sonoma Duncan's Mills Comment
  CAS-BOT-BC244007  Lonicera involucrata var. ledebourii Peter Rubtzoff 1951-5-28 83 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UC1125276  Lonicera involucrata var. ledebourii H. S. Yates 1934-4-21 3803 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  CAS-BOT-BC241418  Lonicera japonica Peter Rubtzoff 1952-5-31 1130 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west Comment
  CAS-BOT-BC294702  Lotus Peter Rubtzoff 1970-7-17 6291 Sonoma Five miles north of Sears Point. Comment
  RSA0020334  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  RSA0020335  Lotus Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh. Comment
  UC424790  Lotus aboriginus unknown Apr 1930 4846 b Sonoma near Plantation Comment
  UC1057478  Lotus formosissimus G. Thomas Robbins 1937-5-23 211 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Region Comment
  UC15582  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  SEINET6932526  Lotus heermannii Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head, at middle of the peninsula. Comment
  POM27250  Lotus humistratus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  UCR2752547  Lotus purshianus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  RSA138211  Lotus unifoliolatus Volney Rattan 1877-1 s.n. Sonoma Santa Rosa Comment
  UC1223413  Lotus wrangelianus Joseph P. Tracy 1933-5-1 12128 Sonoma below Knight's Valley; Mayacama Creek Comment
  RSA32862  Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma Bodega Bay Comment
  UCD66028  Ludwigia hexapetala B. J. Grewell 2006-8-25 06- 53 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  CAS-BOT-BC257688  Ludwigia palustris Peter Rubtzoff 1960-6-9 4484 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC258922  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC157695  Ludwigia peploides Peter Rubtzoff 1956-9-11 2844 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  RSA790998  Ludwigia peploides Peter Rubtzoff 1961-8-24 4711 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UCD65950  Ludwigia peploides subsp. peploides B. J. Grewell 2006-9-19 06- 74 -LU Sonoma Spring Lake, Sonoma County Park. Santa Rosa, CA. Shoreline near kayak rental and concession area at Spring Creek overflow spillway. 90 Comment
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  CAS-BOT-BC320570  Lupinus Peter Rubtzoff 1974-6-22 7624 Sonoma Todd Road, 1.5 miles from Highway 116 and 0.5 miles from (west of) Llano Road. Comment
  UC1129274  Lupinus albifrons E. Armstrong 1934-3-26 929 Sonoma 2 mi nw Camp Meeker; Sebastopol quad 91 Comment
  SEINET10488438  Lupinus albifrons Joseph W. Congdon 1880-5-16 Congdon s.n. Sonoma Comment
  CAS-BOT-BC196045  Lupinus albifrons var. collinus A. A. Heller 1940-5-17 15632 Sonoma About 2 miles east of Bodega Bay, near State Highway #1 Comment
  SEINET10871206  Lupinus albifrons var. collinus Joseph W. Congdon 1880-5-30 Congdon UMO 43462 Sonoma Comment
  CAS-BOT-BC196461  Lupinus arboreus Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma South end of Russian River Bridge on highway 1 Comment
  UC127548  Lupinus arboreus Setchell 1900-4-3 3 Sonoma Comment
  UCD106631  Lupinus arboreus P. B. Kennedy 1915-5-28 15 Sonoma Del Mar. Comment
  UC15936  Lupinus bicolor W. H. Brewer 1862-4-17 982 Sonoma near Sonoma (Sonoma Valley) Comment
  UCR248892  Lupinus bicolor Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CDA27416  Lupinus bicolor T. C. Fuller 1977-4-21 20192 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  UC126965  Lupinus bicolor F. T. Bioletti 1892-1 Sonoma Comment
  UC1542825  Lupinus formosus M. L. Conrad, Dunn, and LeDoux 1973-6-9 7084 Sonoma on Hwy 121, 0.6 mi w Sonoma-Napa County line 60 Comment
  RSA3044  Lupinus formosus var. formosus Carl B. Wolf 1931-8-23 2345 Sonoma Along Redwood Highway, 1 mile south of Cloverdale. 91 Comment
  CDA36829  Lupinus latifolius 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
  UCD108132  Lupinus latifolius Christine Lee 1993-4-24 95 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  SEINET10936597  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-4-12 Congdon s.n. Sonoma Santa rosa rd. Comment
  SD88509  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-28 Sonoma North of Jenner 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
  UCD151181  Lupinus nanus James A. Neilson Jr. 1974-4-16 3114 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  UCD108932  Lupinus nanus Frederica Bowcutt 1996-3-24 2083 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  POM276264  Lupinus nanus subsp. nanus Lyman D. Benson 1935-3-31 6403 Sonoma U.S. 101, S. of Cloverdale. 244 Comment
  SEINET12164400  Lupinus propinquus F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -147 Sonoma between Salmon Creek & Cormet at junction of Coleman Valley Road & CA 1 12 Comment
  SEINET12165051  Lupinus sericatus Unknown 1984-1 RR 40074 Sonoma Kelly Rd just W of its intersection w/ Rockpile Rd 610 Comment
  UCD109576  Lupinus stiversii A. S. Crafts 1935-5-15 s.n. Sonoma Exact location unknown. Comment
  UCD161823  Luzula comosa var. comosa James A. Neilson Jr. 1975-5-23 3217 Sonoma Truit Creek at Big Sulphur Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC441041  Luzula macrantha A. A. Heller 1902-3-20 5101 Sonoma Near Windsor Comment
  RSA0015992  Lythrum hyssopifolia A. A. Heller 1902-6-7 5656 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  RSA0015996  Lythrum hyssopifolia Peter Rubtzoff 1954-8-10 1683 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC166731  Madia Peter Rubtzoff 1964-5-31 s.n. Sonoma Along Russian River at Fitch Mtn. Grove, 2 miles east of Healdsburg. Comment
  RSA81574  Madia capitata James I. McMurphy 1909-8-8 702 Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  UC523537  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi n of Occidental Comment
  CAS-BOT-BC344038  Madia elegans CNPS Milo Baker Chapter 1985-8-20 601 Sonoma Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC344049  Madia elegans Helen D. Geis 1902-8-1 581 Sonoma Cloverdale Comment
  HSC100974  Madia elegans Peter Warner 2011-8-10 225 Sonoma Jenner Headlands Property, Upper Russian Gulch Pasture, N of power line overcrossing. 227 Comment
  UCD132769  Madia elegans Frederica Bowcutt 1994-6-12 1869 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail above Adobe Canyon Road (road visible from trail.) Less than 1/8 mile SW of trail juncture with Pony Gate Gulch Creek. 326 Comment
  UCD132772  Madia elegans Frederica Bowcutt 1997-7-20 2205 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. At Pony Gate Trail, above Adobe Canyon Rd., about 2.6 miles from intesection with Hwy.12. 396 Comment
  UC400141  Madia exigua Ynes Mexia 1929-6-2 2391 Sonoma near Mark West Springs Comment
  UCD134248  Madia exigua Frederica Bowcutt 1994-5-21 1819 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; 10 air miles E of Santa Rosa; 18 air miles NW of Napa. Along meadow trail approximately 3/4 mile from trailhead. 411 Comment
  CAS-BOT-BC343470  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 6 miles east of Stewarts Point Comment
  UCD55327  Madia gracilis Ellen Dean 2006-6-28 3171 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  CAS-BOT-BC343460  Madia gracilis G. DeNevers 1981-5-23 1275 Sonoma Pepperwood Ranch Comment
  SEINET11807611  Madia madioides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -164 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 330 Comment
  POM231101  Madia nutans Jens Clausen 1935-5-23 1073 Sonoma 0.32 miles N of entance to Peftified Forest. Comment
  RSA516587  Madia nutans R. C. Bacigalupi 1956-4-17 5587 Sonoma Along Ida Clayton Rd., 3.7 miles east of its beginning on the Kellogg Valley side (jct. with State 128), Mayacamas Range. 686 Comment
  CAS-BOT-BC345222  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC345208  Madia sativa James I. McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  CAS-BOT-BC345217  Madia sativa H. M. Hall 1916-7-23 10244 Sonoma Near Petaluma Comment
  CAS-BOT-BC511537  Maianthemum racemosum subsp. amplexicaule Mrs. Alexander McCallum 1894-6-1 s.n. Sonoma Glen Blair Comment
  UCD158739  Malacothrix floccifera James A. Neilson Jr. 1973-7-10 2827 Sonoma Mayacmas Mountains. The Geysers. (Elevation estimated using Google Earth by label maker.) 441 Comment
  UC1042431  Malus pumila var. domestica Peter Rubtzoff 1951-11-24 847 Sonoma near Forestville (Pitkin Marsh, Upper Marsh, uppermost part of w branch); Pitkin Marsh 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
  CAS-BOT-BC361402  Malva nicaeensis Greg de Nevers; Steve Ehret 1994-5-20 10523 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC348223  Matricaria discoidea Volney Rattan 1867-4-1 s.n. Sonoma Black Point Comment
  SEINET11807291  Matricaria matricarioides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -184 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 630 Comment
  RSA0009775  Medicago polymorpha Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC271126  Melica aristata L. S. Smith 1925-6-9 49340 Sonoma In 1924 burn top of hill est of Bloom, Tahoe Forest 1219 Comment
Read comments
May 7 2019
  CAS-BOT-BC269515  Melica californica John Thomas Howell 1934-3-26 11791 Sonoma 12 miles from Calistoga on Alexander Valley road Comment
  SEINET10926810  Melica californica A. Arthur Heller 1902-4-4 Heller 5315 Sonoma Hills near Santa Rosa. Comment
  UCD87213  Melica californica R. Tofsrud 1941-4-1 292 Sonoma Between County Hosp. and S.R. Comment
  UC1132265  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UCD87314  Melica geyeri Virginia Bufford 1937-5-10 454 Sonoma Larkspur Rock, Bodega Canyon. Comment
  UCD87356  Melica geyeri R. Tofsrud 1948-5-1 s.n. Sonoma Woods between Kellogg and Alexander Valley. Comment
  RSA123521  Melica geyeri H. S. Yates 1937-6-6 6587 Sonoma Hill between Feestone and Sebastopol. 91 Comment
  CAS-BOT-BC262550  Melica torreyana John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54695 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  UC771211  Melica torreyana W. S. Boyle 1942-4-26 1076 Sonoma between Petrified Forest and Mark West (at junction of side road to Santa Rosa) Comment
  UCD88858  Melica torreyana Beecher Crampton 1959-6-16 5383 Sonoma 1 mile E of Occidental. Comment
  UCD89212  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  UCD89213  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  SACT001559  Melica torreyana M. Wiesendanger 1927-5-5 Sonoma Comment
  HSC15018  Melilotus indicus S. N. Wiemeyer 1962-4-20 30 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCR19128  Melissa officinalis John C. Roos 1948-4-28 3958 Sonoma North Coast Ranges, Healdsburg, Mill Creek - Barrell Spring Comment
  UCD148332  Melissa officinalis Peter Rubtzoff 1954-8-11 1684 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164082  Mentha Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC164420  Mentha Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA785216  Mentha Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA785217  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  CAS-BOT-BC164098  Mentha pulegium Peter Rubtzoff 1958-8-31 3950 Sonoma Atascadero Creek Marsh. Comment
  RSA94261  Mentha pulegium Peter Rubtzoff 1951-8-5 610 Sonoma Northwestern; outer North Coast ranges region Margin of creek at Hwy 12, SE of Forestville Comment
  UCR279625  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh [near Guerneville] Comment
  CAS-BOT-BC164702  Mentha spicata Peter Rubtzoff 1970-8-18 6322 Sonoma 5 miles north of Sears Point. Comment
  RSA784550  Mentha spicata Peter Rubtzoff 1961-8-24 4708 Sonoma Fife Creek Marsh. Comment
  RSA785145  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC348629  Micropus californicus var. californicus G. DeNevers 1981-4-20 770 Sonoma Pepperwood Ranch. Pippindale farm. On bench between Studio and the ridge top Comment
  CAS-BOT-BC322711  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2504 Sonoma 11 miles north of Santa Rosa Comment
  UC50058  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma Los Guilicos Comment
  CAS-BOT-BC322753  Microseris paludosa Alice Eastwood; John Thomas Howell 1936-5-19 2511 Sonoma 2 miles north 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-BC312699  Mimulus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  RSA0025402  Mimulus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood Marsh. Comment
  SEINET10614150  Mimulus aurantiacus Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2618 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  UC27048  Mimulus congdonii F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UC1041002  Mimulus grandis J. W. Congdon 1880-3 Sonoma Petaluma Comment
  RSA0040387  Mimulus guttatus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  RSA698954  Mimulus guttatus J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  UCR253011  Mimulus guttatus Peter Rubtzoff 1959-6-20 4170 Sonoma Willow Creek Marsh 9 Comment
  UCR275257  Mimulus guttatus Peter Rubtzoff 1959-6-20 4171 Sonoma Willow Creek Marsh 9 Comment
  UCR275268  Mimulus guttatus Peter Rubtzoff 1955-7-9 1929 Sonoma North Coast Range, Forestville Marsh 71 Comment
  OBI47583  Mimulus guttatus L. F. LaPre 1986-6-3 s.n. Sonoma Dorr Place, 4 mi up a privated rd from Mannings flats in Austin Crk State Recreation Area, 6 mi N of Cazadero on upper Austin Crk. Cazadero Quad 207 Comment
  RSA0022509  Mimulus guttatus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  RSA0022511  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  UC444796  Mimulus kelloggii H. P. Chandler 1907-4-27 7546 1/2 Sonoma St. Helena to Santa Rosa (via Spring Mt.) Comment
  POM43556  Mimulus pilosus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  JEPS19397  Mimulus tricolor G. Thomas Robbins 1938-5-19 264 Sonoma sw Santa Rosa (Stony Point Road, near The Lagunas) Comment
  JEPS86356  Mimulus tricolor Jack and Betty Guggolz 1988-5-10 929 Sonoma on e side Old Redwood Hwy. (just n of its intersection with Starr Road, Grill property) Comment
  RSA550574  Mimulus tricolor Peter Rubtzoff, H. A. Froebe 1971-5-30 6482 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  CAS-BOT-BC174582  Minuartia californica A. A. Heller; H. E. Brown 1902-3-14 5067 Sonoma Near Windsor Comment
  UC8088  Minuartia californica State Survey 1862-4-18 975 Sonoma near Sonoma Comment
  CAS-BOT-BC388890  Minuartia douglasii Greg de Nevers 1993-4-11 10367 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. East of Middle Road through Bald Hills 304 Comment
  CAS-BOT-BC388900  Minuartia douglasii Barbara Keller 1990-4-30 2034 Sonoma On Coleman Valley Rd. 6 miles west of Occidental Comment
  RSA177976  Minuartia douglasii R. F. Thorne 1965-4-19 34307 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. Comment
  UCD158806  Minuartia douglasii James A. Neilson Jr. 1974-3-27 2957 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC435111  Mollugo verticillata Peter Rubtzoff 1965-8-29 5624 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville). Comment
  UCD159722  Monardella odoratissima subsp. pallida James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3290 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, east Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  LA37424  Monardella villosa Carl Epling; Ledyard Stebbins, Harlan Lewis 1943-6-17 sn Sonoma Bodega Bay Comment
  LA62455  Monardella villosa Merle Randall; 1930-6-13 sn Sonoma Alamere Creek Comment
  CHSC68008  Monardella villosa subsp. villosa James Jokerst 1985-5-29 2387 Sonoma Near Cobb Mountain. 1126 Comment
  JEPS51860  Monardella villosa subsp. villosa Eleanor Armstrong 1932-5-15 458 Sonoma 8 mi north Santa Rosa. 121 Comment
  UC1299606  Monardella villosa subsp. villosa Freed W. Hoffman 1946-9-26 577 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC1784120  Monardella viridis Ethel Crum 1930-7-13 816 Sonoma Mt. St. Helena, S shoulder Comment
  NY342239  Montia clara A. A. Heller 1902-4-16 5313 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC444996  Montia fontana Greg de Nevers 1993-3-7 10316 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Double Ponds. 304 Comment
  UC72571  Montia fontana Milo S. Baker 1898-5-10 Sonoma Hills e of Santa Rosa Comment
  CAS-BOT-BC444985  Montia fontana J. Clausen 1933-3-25 731 Sonoma Between Warfield and Kenwood, along the highway Comment
  CAS-BOT-BC445060  Montia linearis Alice Eastwood 1921-4-24 10348 Sonoma Santa Rosa Comment
  SBBG128418  Morella californica L. Ahart, M. Anthony, J. Dittes, J. Guardino 2013-4-25 18601 Sonoma near the edge of a residential driveway, 0.7 mi E of Pacific Ocean, 0.8 mi W of Gualala River 111 Comment
  POM161366  Muilla maritima Rimo C. Bacigalupi 1252 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  CDA5598  Myosotis discolor T. C. Fuller 1958-5-24 3984 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UCD119516  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Marsh, Pitkin Ranch. Comment
  CAS-BOT-BC257703  Myosurus Peter Rubtzoff 1966-5-7 5703 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCD166497  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
  UC672611  Myrica californica Herbert L. Mason 1928-7-11 4893 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC251165  Myriophyllum aquaticum Peter Rubtzoff 1961-10-18 4770 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC258917  Myriophyllum hippuroides Peter Rubtzoff 1954-8-12 1699 Sonoma Bennett Mountain Lake. Comment
  UC768841  Nassella lepida Robert F. Hoover 1941-6-7 5313 Sonoma two mi se Monte Rio (on road to Camp Meeker) Comment
  UCD36695  Nassella lepida Beecher Crampton 1955-6-17 2966 Sonoma Sonoma County, 1.5 miles east of Fort Ross. Comment
  CAS-BOT-BC260280  Nassella pulchra John Thomas Howell; et al. 1981-5-14 53945 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  UC526763  Nassella pulchra Joseph P. Tracy 1933-5-1 12123 Sonoma Knights Valley Northern Coast Ranges Comment
  UC73612  Navarretia cotulifolia Milo S. Baker May 1899 Sonoma Santa Rosa Comment
  UC856857  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  UC1719860  Navarretia cotulifolia David Fruchter 1978-9-17 95 Sonoma Diamond D. [sic] Comment
  JEPS70315  Navarretia heterodoxa W. L. Jepson 1895-8-30 20959 Sonoma near Napa Valley; Petrified Forest Comment
  JEPS86767  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1990-5-20 1055 Sonoma Anadel State Park 402 Comment
  UC907821  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma highway between Healdsburg and Santa Rosa Comment
  UC1008723  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  SD38214  Navarretia squarrosa Edith A. Purer 1932-7-21 4043 Sonoma Bodega Bay, sandy bluff Comment
  CDA20084  Navarretia squarrosa R. Gross 2002-12-7 s.n. Sonoma North Coast Ranges; Foote Ranch, 16041 Hwy 128, Kellogg. 0 Comment
  CDA38609  Navarretia squarrosa A. Smith & C. Morgan 2012-7-12 PDR# 1604317 Sonoma Vicinity of Annapolis. 0 Comment
  RSA94068  Navarretia squarrosa J. T. Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  SD130512  Nemophila heterophylla F. Almeda, G. DeNevers 1981-3-30 4888 Sonoma Pepperwood Ranch; summit and east-facing slope of Three Tree Hill. Comment
  UC1069145  Nemophila heterophylla E. Armstrong 1934-3-26 950 Sonoma 2 mi n Camp Meeker; Sebastopol Quad., n of Camp Meeker 121 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
  CHSC31076  Nemophila menziesii N. Kvasnik 1980-4-2 1 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  JEPS1477  Nemophila menziesii var. atomaria Eleanor Armstrong 1933-4-15 748 Sonoma Bodega Hill 6 Comment
  POM179734  Nemophila menziesii var. atomaria A. A. Heller 1903-4-23 6600 Sonoma Fort Ross. Comment
  UC606952  Nemophila menziesii var. atomaria L. Constance 1938-4-24 2158 Sonoma mouth of small canyon 0.5 mi s Fort Ross; s of Fort Ross 91 Comment
  UC24256  Nemophila menziesii var. atomaria W. A. Setchell March, 1898 Sonoma Cloverdale Comment
  POM216812  Nemophila menziesii var. menziesii H. F. Copeland 1933-3-18 s.n. Sonoma Field northeast of Santa Rosa. Comment
  CAS-BOT-BC231194  Nemophila parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  UC496397  Nemophila parviflora Merle Randall 1930-6-8 Sonoma Cazadero Comment
  SD254635  Nemophila pedunculata Ann Howald 2015-4-1 3313 Sonoma Northern Coast Ranges: Stewarts Point-Skaggs Springs Road, 11.5 miles west of intersection with Rockpile Road. Warm Springs drainage (Warm Springs Dam 7.5'Q) 408 Comment
  CAS-BOT-BC157691  Nicotiana Peter Rubtzoff 1956-9-16 2928 Sonoma Vacation Beach, near 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
  UCD110181  Notholithocarpus densiflorus Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-7-4 118 Sonoma Between Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1. 45 Comment
  HSC8113  Notholithocarpus densiflorus var. densiflorus F. Demostene 1966-4-4 20 Sonoma 1 mi. W of Healdsburg Comment
  CAS-BOT-BC400123  Nuphar polysepala Peter Rubtzoff 1960-9-14 4543 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads) Comment
  JEPS67142  Orobanche californica subsp. californica Dorothy King Young 1971-10-15 Sonoma Alder Creek Beach. Comment
  RSA177967  Orthocarpus attenuatus Robert F. Thorne 1965-4-20 34350 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  POM183041  Orthocarpus faucibarbatus A. A. Heller, H. E. Brown 1902-4-15 5292 Sonoma Santa Rosa. Comment
  RSA523834B  Orthocarpus faucibarbatus Gordon H. True Jr. 1936-4-7 406 Sonoma Near Sonoma. 91 Comment
  RSA32863  Orthocarpus faucibarbatus var. albidus A. A. Heller 1937-5-1 16176 Sonoma Along State Highway #1, on the bluff at Bodega Bay, south of the Town of Bay. Comment
  RSA177935  Osmorhiza berteroi R. F. Thorne 1965-4-20 34331 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  SEINET12121508  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -087 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD110971  Oxalis oregana Linda A. Bell 1975-5-18 156 Sonoma on highway 116, 3 miles west of Guerneville. Comment
  UCD110981  Oxalis oregana R. H. Miller 1949-4-6 21 Sonoma beside Highway 12, about 5 miles southeast of Monte Rio. Comment
  SEINET11808775  Packera greenei Unknown 1986-1 60290 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, near head of Black Rock Creek 747 Comment
  CAS-BOT-BC227647  Panicum Peter Rubtzoff 1973-8-20 7232 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC254467  Panicum Peter Rubtzoff 1983-8-28 9670 Sonoma Austin Creek ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  POM188279  Panicum acuminatum var. acuminatum Marcus E. Jones 1931-7-5 29210 Sonoma The Geysers. Comment
  UC1254542  Panicum acuminatum var. acuminatum R. Spellenberg 1964-6-15 402 Sonoma 17 mi e Geyserville; The Geysers, e of Geyserville Comment
  UC1532604  Panicum acuminatum var. acuminatum R. Spellenberg 1966-9-7 1618 Sonoma The Geysers along Sulphur Creek downstream from the The Geyser area; The Geysers, along Sulphur Creek Comment
  UCD161862  Panicum acuminatum var. fasciculatum James A. Neilson Jr. 1978-7-15 3970 Sonoma Mayacmas Mountains. Socrates Mine Headquarters. (Exact location unknown, coordinates estimated by label maker.) Comment
  HSC83426  Panicum acuminatum var. fasciculatum Mary M. Hektner 1974-7-6 132 Sonoma Sea Ranch, near golf course. Comment
  UCD88559  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1942-6-21 2143 Sonoma At 'Hillcrest' on highway from Forestville to Sebastopol. Comment
  UCD89125  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c Sonoma North East part of county. The Geysers. Comment
  JEPS128190  Parnassia palustris Roger Raiche 1999-9-20 034 .99 Sonoma The Cedars. Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC175546  Parnassia palustris A. T. Graff 1920-10-17 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC259691  Paspalum dilatatum Peter Rubtzoff 1961-10-18 4768 Sonoma Cunningham Marsh, at the border of the marsh Comment
  RSA784152  Paspalum dilatatum Peter Rubtzoff 1971-8-31 6662 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC265698  Paspalum distichum G. DeNevers 1981-6-20 1618 Sonoma Along Mark West Creek, Pepperwood Ranch Comment
  JEPS27315  Penstemon heterophyllus var. heterophyllus Eleanor Armstrong 1932-5-26 479 Sonoma 1 1/2 mi e Camp Meeker; e of Camp Meeker 121 Comment
  NY130520  Penstemon sonomensis C. H. Michener 05 1893 s.n. Sonoma Hoods Peak Comment
  CAS-BOT-BC71731  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-9 1181 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC71734  Pentagramma triangularis subsp. triangularis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54017 A Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove 457 Comment
  OBI81671  Perideridia kelloggii Tracey Call, Viola Call 1963-7-12 2240 Sonoma 4 mi NW of Cloverdale Comment
  UCD127853  Perideridia kelloggii Mary M. Hektner 1976-10-19 271 Sonoma north of draw by intersection of Pacific Reach Road and Wilel Moor Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC413642  Persicaria amphibia Peter Rubtzoff 1971-9-3 6696 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413657  Persicaria amphibia Peter Rubtzoff 1963-7-6 5197 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. crossing Comment
  CAS-BOT-BC258010  Persicaria hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC418919  Persicaria hydropiperoides Peter Rubtzoff 1958-8-23 3928 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Rd.) Comment
  CAS-BOT-BC419119  Persicaria lapathifolia Peter Rubtzoff 1955-9-10 2138 Sonoma East Guernewood, near Guerneville Comment
  SD99428  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek 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-BC419275  Persicaria maculosa Peter Rubtzoff 1954-7-29 1614 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419431  Persicaria punctata John Thomas Howell 1946-8-17 22854 Sonoma The Laguna north of Sebastopol Comment
  RSA790299  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UC35655  Petasites frigidus var. palmatus H. N. Bolander 1864-1 3965 Sonoma Geysers Pine Mountain Comment
  UCR90865  Petrorhagia nanteuilii Kathy Harper, D. Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
Read comments
Jan 29 2010
  UCD98395  Petrorhagia nanteuilii Rimo Bacigalupi; G. T. Robbins, F. Hoffman 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek, at base of 'The Butcher Knife' (R12W). 182 Comment
  SBBG16283  Phacelia bolanderi H. and M. Dearing 1939-5-15 3391 Sonoma Gualala River near Stewarts Pt Comment
  UC107557  Phacelia bolanderi Michener and Bioletti 1892-7-7 1886 a Sonoma Gualala Comment
  UC1047008  Phacelia californica L. R. Heckard and P. C. Silva 1952-4-14 219 Sonoma along state hwy 1 just s Goat Rock Comment
  UC582807  Phacelia californica P. A. Munz 1936-8-7 14310 Sonoma 6 mi n Bodega Comment
  RSA133558  Phacelia californica L. R. Heckard, Paul C. Silva 1952-4-14 219 Sonoma Along State Highway 1, just south of Goat Rock. Comment
  CDA40384  Phacelia distans T. C. Fuller 1958-5-24 4020 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  RSA0056425  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road. Comment
  RSA121027  Phacelia distans J. T. Howell 1955-8-6 30894 Sonoma Near Bodega Head. Comment
  RSA32660  Phacelia distans Doris K. Kildale 1928-4-1 4398 Sonoma Cloverdale Grade Comment
  CHSC52634  Phacelia egena James Jokerst 1985-5-29 2385 Sonoma Near Cobb Mountain. 1126 Comment
  JEPS83658  Phacelia egena R. Raiche 1987-5-20 70193 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, creek branch referred to locally as Azealea Creak. 280 Comment
  UC735109  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3051 Sonoma near Petrified Forest 60 Comment
  UC444442  Phacelia suaveolens E. L. Greene Aug. 1888 Sonoma Petrified Forest; ; Petrified Forest, Sonoma Co. Comment
  RSA783845  Phalaris Peter Rubtzoff 1978-5-20 9175 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  CAS-BOT-BC258947  Phalaris aquatica G. DeNevers 1981-5-30 1404 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill Comment
  CAS-BOT-BC258952  Phalaris aquatica Peter Rubtzoff 1959-6-13 4137 Sonoma Sonoma County Marshes. Willow Creek Marsh Comment
  JEPS27979  Phalaris aquatica Rimo Bacigalupi and L. Heckard 1961-6-9 7731 Sonoma along Petaluma-Valley Ford road at junction of King Road 4.6 mi nw Petaluma 26 Comment
  UCD88138  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma Near Guerneville. Lone Mountain Farm. Comment
  UCR218638  Phalaris aquatica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16218 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  UCD88766  Phalaris californica R. Tofsrud 1951-5-1 s.n. Sonoma Summit of road between Kenwood and Oakville. Comment
  CAS-BOT-BC265911  Phalaris lemmonii Peter Rubtzoff 1960-5-15 4339 Sonoma Fife Creek Marsh, Sonoma County Marshes Comment
  CAS-BOT-BC265915  Phalaris lemmonii G. DeNevers; S. Kaza 1981-5-7 972 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  UCD88994  Phalaris lemmonii John Thomas Howell 1943-5-10 s.n. Sonoma 2 miles N of Windsor. Comment
  CAS-BOT-BC265941  Phalaris minor Peter Rubtzoff 1962-6-13 4904 Sonoma Freestone Marsh Comment
  UCR248880  Phalaris minor Peter Rubtzoff 1972-6-11 6777 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC250744  Phalaris paradoxa David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mi. W. of junction of Arnold Drive Comment
  RSA789053  Phalaris paradoxa Carrie A. Herd 1982-5-15 116 Sonoma Rohnert Park, C.S.U, Sonoma, between dorm parking lot and bicycle path Comment
  CAS-BOT-BC260877  Phleum pratense Peter Rubtzoff 1951-7-7 382 Sonoma Eastern branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UCD102040  Phoradendron bolleanum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  RSA572342  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 54 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  UC1977006  Phyllospadix scouleri Ann Freeman 1963-8-6 1642 Sonoma Bodega Head. North side, Horseshoe Cove with flowers. Comment
  UC326  Phyllospadix scouleri Milo S. Baker 1899-5-28 Sonoma Russian River; mouth Comment
  UCD138370  Phyllospadix scouleri P. G. Connors 1993-6-6 316 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  SEINET3290573 Image available Phyllospadix torreyi W. R. Russell, Roman Gankin 1956-11-14 s.n. Sonoma North end of Sonoma State PArk, about 3 miles north of Bodega Bay Comment
  CAS-BOT-BC140619  Physocarpus capitatus G. DeNevers 1981-5-20 1227 Sonoma Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  SD133983  Physocarpus capitatus Greg de Nevers 1987-5-11 8179 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  UC555512  Physocarpus capitatus H. L. Mason Jun 1930 5642 Sonoma Gualala River, mouth Comment
  UCD158852  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2923 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  UC1134141  Pinus attenuata J. B. Spring 1932-7-3 95 Sonoma 2/5 mi sw Veeder Mountain; Napa Quadrangle 609 Comment
  CAS-BOT-BC361362  Pinus attenuata Greg de Nevers 1997-4-16 10935 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UCD134772  Pinus muricata Chris Bowen 1974-6-6 143 Sonoma On side of first hills east of Highway 1; Sea Ranch, near State Highway 1. 36 Comment
  SEINET10795154 Image available Pinus sabiniana Henry N. Bolander 1864-8-27 Bolander s.n. Sonoma Sonoma Comment
  CAS-BOT-BC154157  Plagiobothrys Peter Rubtzoff 1972-5-14 6741 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC166944  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166950  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC376421  Plagiobothrys Greg de Nevers 1989-4-1 9056 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  SEINET3101780  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC228115  Plagiobothrys chorisianus John H. Thomas 1976-6-16 18256 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  RSA369973  Plagiobothrys greenei L. S. Rose 1949-4-6 49028 Sonoma Western outskirts of Sonoma 30 Comment
  JEPS60987  Plagiobothrys reticulatus var. reticulatus K. Brandegee June 1905 Sonoma Bodega Bay Comment
  UCD35306  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  UCR279854  Plagiobothrys undulatus Peter Rubtzoff 1972-6-11 6780 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  RSA783741  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  UCD166496  Plantago Peter Rubtzoff 1965-8-16 5596 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD124486  Plantago erecta Robert F. Thorne 1965-4-20 34342 Sonoma top of Parker Hill (north end of Parker Hill Road), ca. 3 miles north of Santa Rosa. 152 Comment
  HSC16835  Plantago lanceolata C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UCR248875  Plantago major Peter Rubtzoff 1958-7-19 3763 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UC1073296  Platystemon californicus George B. Rossbach 1955-3-19 279 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  UC50134  Platystemon californicus Harley P. Chandler 1900-5-25 707 Sonoma Bodega Bay Comment
  SD88404  Platystemon californicus Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  UCSB50178  Platystemon californicus Gray, John 1976-5-1 Sonoma Duncan's Landing; near parking lot; T 6N R 11W 15 Comment
  RSA178017  Platystemon californicus var. californicus Robert F. Thorne 1965-4-19 34272 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UCD37569  Pleuropogon californicus Beecher Crampton 1955-4-5 2418 Sonoma 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road. Comment
  UCD84099  Pleuropogon californicus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  UCD90112  Pleuropogon californicus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3574 Sonoma corner of Wright Rd. and Rt. 12, outskirts of Santa Rosa. Comment
  UCD36835  Pleuropogon californicus Beecher Crampton 1956-3-12 3220 Sonoma Sonoma County, Alexander Valley Store. 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-BC260973  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-5-10 3648 Sonoma Laguna de Santa Rosa north of Cunningham near Todd Road Comment
  UCD90113  Pleuropogon californicus var. californicus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3613 Sonoma on the Occidental Road near Barstow station. Comment
  RSA127248  Pleuropogon californicus var. californicus J. T. Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley. Comment
  RSA176931  Pleuropogon californicus var. californicus P. H. Raven 1963-4-28 18252 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  UCD90193  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Sonoma south of East Windsor. Comment
  RSA336123  Pleuropogon hooverianus Paul But 1974-4-6 P 3 Sonoma Along Bohemian Hwy at Freestone Flat Road, 0.5 mile from Freestone. Comment
  RSA336124  Pleuropogon hooverianus Paul But 1977-5-3 P 6 Sonoma 3 miles NE of Penngrove, along Pressley Road Comment
  RSA73959  Poa annua Milo S. Baker 1952-4-20 12397 Sonoma East side of Hwy 12, ca. 0.25 mi N. of Caliente Comment
  RSA796695  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  UCD90354  Poa annua Mary M. Hektner 1976-9-15 268 A Sonoma At Irena Morgan's, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET215169 Image available Poa bolanderi subsp. howellii J. M. Tucker 1971-5-29 4193 Sonoma Ca. 3 mi. by road SW of it jcn. w/ State hwy 29 near Middletown; Western Mine Rd. 762 Comment
  CAS-BOT-BC254552  Poa douglasii A. A. Heller 1902-3-29 5187 Sonoma At Bodega Bay Comment
  POM204981  Poa douglasii A. A. Heller 1902-3-29 5187 Sonoma Bodega Bay Comment
  UCD90528  Poa kelloggii P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC255838  Poa kelloggii Mary P. Wells 1985-4-11 467 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC422344  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh. Comment
  UC1011005  Poa secunda subsp. secunda Virginia Bufford 1936-5-21 358 Sonoma 2 mi from Geysers (Cloverdale Rd) Comment
  CAS-BOT-BC244192  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh 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
  UC573867  Poa unilateralis H. S. Yates 1934-4-3 3796 Sonoma near Bodega; Sebastopol Quadrangle Comment
  CAS-BOT-BC376366  Poaceae Greg de Nevers 1992-6-26 10192 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 400 Comment
  CDA40764  Pogogyne serpylloides subsp. intermedia Peter Rubtzoff 1963-6-22 5193 Sonoma Ca. 0.5 mile east of Bennett Mtn. Lake. 0 Comment
  UCR32675  Polygala californica T. L. Wendt, E. J. Lott 1975-6-8 1029 Sonoma North Coast Range, At John Morrison's property just south of Coleman Valley Rd, 1.2 mi west of Occidental, 5-6 year old field and adjacent forest 299 Comment
  CAS-BOT-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC110538  Polygonum Peter Rubtzoff 1986-9-28 9751 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC376404  Polygonum Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 400 Comment
  CAS-BOT-BC164373  Polygonum Peter Rubtzoff 1970-5-30 6246 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC164043  Polygonum arenastrum Peter Rubtzoff 1961-8-22 4681 Sonoma Fife Creek Marsh. Comment
  CLARK-A1528-3782  Polygonum convolvulus John C. Roos 1959-7-30 Sonoma Healdsburg Garden Comment
  SEINET11935782  Polygonum marinense P. G. Conners 1991-1 Sonoma Bodega Marine Reserve salt marsh Comment
  CAS-BOT-BC109250  Polygonum paronychia Catherine Best 1981-5-2 s.n. Sonoma South side of the mouth of the Russian River. Comment
  SEINET11935872  Polygonum persicaria W. Knight, Knight, I. 1984-1 1368 Sonoma Willow Brook, 2 mi N of Petalnma Comment
  UC1562684  Polygonum punctatum Barbara Ertter 1988-11-5 8031 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  UC914094  Polypodium calirhiza Milo S. Baker June 1944 10886 Sonoma 1 1/2 mi n in hills Sonoma Comment
  CAS-BOT-BC331489  Polypogon Peter Rubtzoff 1973-9-4 7293 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC233189  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville, N half of Lower Marsh Comment
  RSA129381  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 miles east of Jenner. 61 Comment
  CAS-BOT-BC237404  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  CAS-BOT-BC237406  Polypogon monspeliensis Peter Rubtzoff 1955-7-9 1935 Sonoma Forestville Marsh Comment
  UC505685  Polypogon monspeliensis C. R. and B. S. Ball 1933-5-30 2510 Sonoma Bodega Bay Comment
  RSA94461  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville; Southern half of Lower Marsh. Comment
  CDA6117  Polystichum californicum D. G. Kelch 2007-5-13 7 .297 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  HSC76929  Polystichum californicum R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  UC1041134  Polystichum munitum J. W. Congdon 1892-5-29 Sonoma Cazadero Comment
  UCD167969  Polystichum munitum James A. Neilson Jr. 1981-3-13 3989 Sonoma Mayacamas Mountains, Wildhorse Ck. Northeast Sonoma County. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC102668  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  RSA595078  Populus trichocarpa Peter Rubtzoff 1986-8-31 9737 Sonoma Off Summerhome Park Road 0.2 mile W of Forest HIlls Road. Comment
  CAS-BOT-BC445297  Portulaca oleracea Peter Rubtzoff 1966-9-25 5828 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC452131  Potamogeton crispus Peter Rubtzoff 1962-8-3 5020 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC452163  Potamogeton diversifolius Peter Rubtzoff 1955-7-16 1970 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC267174  Potamogeton foliosus Peter Rubtzoff 1956-9-11 2843 Sonoma Vacation Beach, near Guerneville, pool on Russian River bottom Comment
  JEPS42986  Potamogeton nodosus Willis L. Jepson 1892-8-7 13767 Sonoma near Geyserville; Russian River Comment
  UC441347  Potamogeton nodosus Milo S. Baker Aug. 1900 Sonoma near Laguna; Mark West Creek Comment
  CAS-BOT-BC454023  Potamogeton pectinatus Peter Rubtzoff 1970-8-5 6296 Sonoma 5 miles north of Sears Point. Comment
  UC555629  Potentilla anserina subsp. pacifica H. L. Mason June 1930 5646 Sonoma mouth of the Gualala River Comment
  CAS-BOT-BC141958  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-7-26 1556 Sonoma Coleman Marsh - Sonoma County Marshes Comment
  RSA0084031  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fenced area (Camp Ground) ca 1.5 mi west of town of Cunningham, S.[?] Sonoma Co. on ranch owned by Mr. Uoit[?]. Comment
  CAS-BOT-BC516397  Prosartes hookeri Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  UCD14312  Prosartes hookeri Jim Mosby 1984-4-15 3 Sonoma Salt Point, near Fort Ross. 15 Comment
Read comments
1
  JEPS62493  Prunella vulgaris var. lanceolata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Guerneville and Monte Rio (Russian River); , between Guerneville and Monte Rio Comment
  UC449934  Prunella vulgaris var. lanceolata Franklin P. Nutting Sonoma Taylor Creek Comment
  RSA0060111  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In canyon west of Phillip's Garden. 100 Comment
  UC1128436  Prunus virginiana var. demissa H. S. Yates 1934-4-22 3860 Sonoma near Petrified Forest 243 Comment
  CAS-BOT-BC356498  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-10-3 379 Sonoma Off ramp freeway US 101 & Railroad Ave., Cotati Comment
  UCD160855  Pseudognaphalium californicum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3282 Sonoma Mayacmas Mountains, south of 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-BC356927  Pseudognaphalium californicum G. DeNevers 1981-9-5 1828 Sonoma Pepperwood Ranch. N of Pippindale Garden Comment
  SBBG8250  Pseudognaphalium stramineum H. and M. Dearing 1939-5-14 3356 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCR119042  Pseudotsuga menziesii Beecher Crampton 1960-10-10 5789 Sonoma Mayacmas Mountains, south foothills, 5 miles northwest of Calistoga, Franz Valley, along Highway 128. 183 Comment
  UCD135110  Pseudotsuga menziesii Alan A. Beetle 1940-4-7 2596 Sonoma 1 mile south of Ft. Ross; hgwy #1 between Jenner and Ft. Ross. Comment
  UCD166080  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC176130  Psilocarphus Peter Rubtzoff 1971-6-10 6530 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164677  Pteridium Peter Rubtzoff 1971-9-3 6699 Sonoma Southeastern border of Spring Creek Reservoir area. Comment
  UCD166105  Pteridium Peter Rubtzoff 1971-9-3 6699 Sonoma Southeastern border of Spring Creek Reservoir 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
  SEINET4335257  Pterostegia drymarioides K. Brandegee s.n. Sonoma Bodega Comment
  UCR222561  Pyracantha fortuneana George K. Helmkamp, E. A. Helmkamp 2010-6-5 16254 Sonoma North Coast Ranges, junction of Martinelli Road and River Road, 4.65 air mi. due east of Guerneville 9 Comment
  UC496405  Pyrola picta Merle Randall 1930-7-11 Sonoma Cazadero Comment
  RSA74429  Quercus X ganderi Milo S. Baker 1952-9-20 12518 Sonoma Voigt Ranch SW of (near) Cunningham Sta. Comment
  POM166598  Quercus agrifolia A. A. Heller, H. E. Brown 1902-4-15 s.n. Sonoma Santa Rosa Creek Comment
  UC1173733  Quercus agrifolia Joseph P. Tracy 1939-10-14 16513 Sonoma 4 mi SE of Geyserville (Alexander Valley, foothills) 121 Comment
  UC847903  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Sonoma Mount St. Helena Comment
  UCD45472  Quercus chrysolepis Frederica Bowcutt 1994-6-12 1872 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 just south of Adobe Canyon Road. Western trail ahead for Canyon Trail. Elev. 900', S facing, 15 degree slope. 274 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
  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
  SD113991  Quercus durata Darley F. Howe 1972-4-28 4813 Sonoma Mt Hood Range, Trinity Road 395 Comment
  CAS-BOT-BC94667  Quercus garryana R. Bacigalupi 1947-8-17 2849 Sonoma about Cazadero, in Austin Creek canyon Comment
  UC1196518  Quercus garryana Joseph P. Tracy 1930-11-30 9270 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  UCD46201  Quercus garryana Roman Gankin 1967-10-4 1078 7 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCR265130  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  UCD46086  Quercus garryana var. garryana J. M. Tucker 1950-11-19 2016 Sonoma 9.8 miles south of Healdsburg, beside road to Rio Nido, Sonoma County, California. Comment
  CAS-BOT-BC105478  Quercus kelloggii Walter Knight; Irja Knight 1964-11-15 780 Sonoma near new Johnson residence on Hood's Peak Comment
  CAS-BOT-BC105485  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles N of Sonoma 900 Comment
  UC1042508  Quercus kelloggii Peter Rubtzoff 1951-8-18 635 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  UC1281159  Quercus kelloggii H. E. McMinn 1938-9-5 5256 Sonoma Hood Mt. Range Comment
  UCD46673  Quercus kelloggii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 73 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Beginning on Hillside Trail. 381 Comment
  UCD46723  Quercus kelloggii G. F. Hrusa; R. Gross 1996-3-8 12651 Sonoma At NE edge of Douglas-Fir forest near intersection of Ida Clayton Rd. and Hwy 128. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. 150 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
  RSA63328  Quercus kelloggii Milo S. Baker 1950-04 12162 Sonoma Montgomery Drive on bank of Santa Rosa Creek. Comment
  JEPS46680  Quercus lobata W. L. Jepson 1902-11-12 Sonoma Cloverdale Comment
  RSA94650  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Western branch of the Upper Marsh. Comment
  UCD14499  Quercus wislizeni Steven J. Barnhart 1995-2-1 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  UCD47654  Quercus wislizeni Neuns 1948-8-25 RHN 23 Sonoma Seven miles northeast of Annapolis, Section 19, T 11N, R 13W, Sonoma County. 548 Comment
  CDA130  Quercus wislizeni var. wislizeni D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .282 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC379158  Ranunculus aquatilis var. aquatilis Greg de Nevers 1992-4-21 10112 Sonoma Pepperwood Natural Preserve; 3450 Franz Valley Road, and surrounding sections, westernmost Double Pond 00000000000000000000000 457 Comment
  CHSC33026  Ranunculus californicus Jane A. Rogers 1979-4-14 6 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. Field. 27 Comment
  POM118705  Ranunculus californicus Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma. Comment
Read comments
Jan 23 2011
  CAS-BOT-BC378680  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-3-9 563 Sonoma I. St. Extension about 1.5 mi from San Antonio Road Comment
  RSA82770  Ranunculus californicus var. cuneatus R. Miller 1949-4-6 28 Sonoma along coast beside Hwy1, 5 miles S of Jenner Comment
  CAS-BOT-BC83409  Ranunculus lobbii Peter Rubtzoff 1972-3-31 6721 Sonoma Todd Road 1.4 mile from Highway 116 and 0.6 mile from Llano Road. Comment
  UCR72032  Ranunculus lobbii Peter Rubtzoff 1962-4-11 4796 Sonoma Americano Creek area just south of Bloomfield. Open pond near Petaluma(?)-Valley Ford Road 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
  RSA534585  Ranunculus muricatus Peter Rubtzoff 1969-5-11 6033 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UC634968  Ranunculus muricatus H. L. Mason 1928-4-13 4324 Sonoma near Petaluma Comment
  UCD67951  Ranunculus muricatus Wesley Ebert 1977-4-9 2 Sonoma Crane Creek, downstream from Pressley Rd. Growing in low spot of short, grazed grassland. Clayey soil. Bright sunshine. Yellow flowers. 106 Comment
  UCD97051  Ranunculus orthorhynchus Mary M. Hektner 1976-4-3 231 Sonoma along ocean headlands above Shell Beach; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM281530  Ranunculus orthorhynchus var. bloomeri J. W. Congdon 1880-04 s.n. Sonoma Petaluma. Comment
  UC136318  Ranunculus orthorhynchus var. bloomeri Katharine Brandegee June 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UCD84283  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  POM269796  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma edge of vernal pool, near Wright School on Hwy betw Santa Rosa and Sepastopol Comment
  UCD81448  Raphanus sativus M. Wiesendanger 1927-5-5 716 Sonoma Sonoma. Comment
  UCR42378  Rhamnus californica L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  CAS-BOT-BC55941  Rhamnus crocea Walter Knight; Irja Knight 1963-12-27 458 Sonoma Pine Flat Rd. Comment
  CAS-BOT-BC55944  Rhamnus crocea G. DeNevers 1981-6-27 1695 Sonoma On a walk from Franz Valley Road up the main Creek draining the Devil's Kitchen and West along a chaparral ridge Comment
  CAS-BOT-BC56600  Rhododendron macrophyllum Mary P. Wells 1984-8-9 450 Sonoma Forest off north end of Deerfield Road, The Sea Ranch Comment
  UCD141958  Rhododendron occidentale G. F. Hrusa 1989-5-8 7009 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CDA21383  Rhododendron occidentale var. occidentale G. F. Hrusa, M. Griffiths 1989-6-4 7116 Sonoma North Coast Ranges; Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. Comment
  RSA94351  Rhododendron occidentale var. paludosum Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh; in a thicket Comment
  RSA0065918  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC111900  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  RSA94093  Rhynchospora globularis var. recognita J. T. Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111934  Rhynchospora recognita Peter Rubtzoff 1951-6-30 321 Sonoma Pitkin Marsh, lower part of the Upper Marsh Comment
  JEPS128275  Ribes californicum Roger Raiche 2004-2-15 043 .04 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC70558  Ribes californicum Bioletti 1894-1 Sonoma Hoods Peak Comment
  CAS-BOT-BC169267  Ribes divaricatum Lewis S. Rose 1962-4-11 62018 Sonoma Laguna de Santa Rosa 1/2 mi. e of Cunningham 15 Comment
  UC75466  Ribes divaricatum var. pubiflorum Milo S. Baker 1898-4-2 21 Sonoma Forestville Comment
  UC75437  Ribes menziesii Milo S. Baker 1899-6-26 Sonoma near Russian River (Coast Road) Comment
  RSA0019544  Ribes sanguineum Michael A. Vincent, Ethan H. Freid 1998-4-8 8174 Sonoma Bodega Bay; 0.5 mile NE of city limits along Rt. 1. Comment
  CAS-BOT-BC209372  Ribes sanguineum var. glutinosum Catherine Best 1988-3-12 1314 Sonoma At the edge of Bodega Bay on the west side Comment
  POM203710  Romanzoffia californica J. T. Howell 1931-4-18 6411 Sonoma Larkspur Rock near Bodega Bay. Comment
  RSA0060109  Rorippa Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road. 100 Comment
  CAS-BOT-BC344963  Rorippa curvisiliqua Peter Rubtzoff 1976-9-25 8902 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC488331  Rorippa curvisiliqua Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  CAS-BOT-BC74712  Rorippa curvisiliqua Peter Rubtzoff 1973-8-21 7251 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. 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
  CDA13134  Rorippa curvisiliqua G. F. Hrusa, R. Gross 1996-6-3 13069 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  CAS-BOT-BC251219  Rosa Peter Rubtzoff 1973-9-9 7314 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC152664  Rosa californica Peter Rubtzoff 1953-5-16 1369 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  CAS-BOT-BC152674  Rosa californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC152676  Rosa californica A. A. Heller 1902-6-10 5678 Sonoma Santa Rosa Comment
  CAS-BOT-BC152666  Rosa californica Greg de Nevers 1986-11-7 8116 Sonoma Riebli Rd., NE of Santa Rosa 150 Comment
  SD133982  Rosa californica Greg de Nevers 1986-11-7 8116 Sonoma Riebli Rd., NE of Santa Rosa 149 Comment
  CAS-BOT-BC146774  Rosa gymnocarpa G. DeNevers 1982-5-18 2021 Sonoma N side of Franz Valley Road, 3/4 mile past top of hill Comment
  CAS-BOT-BC146776  Rosa gymnocarpa R. D. Stone 1983-6-14 537 Sonoma In headwaters of Squaw Cr. drainage ca. 1.2 mi. NW of Geyser Rock 975 Comment
  CAS-BOT-BC148198  Rosa rubiginosa Walter Knight; Irja Knight 1963-10-3 360 Sonoma Pasture edge at Stony Point and Meacham Rds. Comment
  SEINET11911417  Rosa rubiginosa W. Knight, Knight, I. 1988-1 6262 Sonoma Ford Cutoff, Bodega hwy and Valley Ford 46 Comment
  CAS-BOT-BC146921  Rosa spithamea Milo S. Baker 1947-5-7 11755 Sonoma Hood Mt. E. of residence of Macartney Ranch, Summit of Rose Butte 228 Comment
  CAS-BOT-BC262790  Rubus Peter Rubtzoff 1955-5-14 1853 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  CAS-BOT-BC262811  Rubus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay 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
  UC12978  Rubus parviflorus J. Burtt Davy 1896-3-14 1679 Sonoma Fort Ross Comment
  UCR279611  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC157178  Rubus ursinus Peter Rubtzoff 1951-6-30 291 Sonoma Uppermost of the western branch of the Upper Marsh Comment
  UC372722  Rubus ursinus Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  UCD114007  Rubus ursinus Mary M. Hektner 1974-6-3 019 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC166656  Rumex Peter Rubtzoff 1958-8-23 3917 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC164030  Rumex Peter Rubtzoff 1963-8-17 5235 Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC173539  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC173548  Rumex Peter Rubtzoff 1964-7-29 5444 Sonoma Brooks Gulch Marsh. Comment
  UC1042523  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma near Forestville (e branch of Upper Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC422233  Rumex acetosella Peter Rubtzoff 1951-7-21 511 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes. Comment
  SEINET11933907  Rumex acetosella F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -174 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 485 Comment
  UCD101060  Rumex acetosella Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 72 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  CAS-BOT-BC421581  Rumex crassus Walter Knight; Irja Knight 1963-8-13 179 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC164667  Rumex crispus Peter Rubtzoff 1954-6-6 1465 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC433414  Rumex crispus G. DeNevers 1981-5-7 1004 Sonoma Pepperwood Ranch. Confluence of Leslie Creek with Mark West Creek, along the bank of Mark West Creek. Comment
  CAS-BOT-BC433416  Rumex crispus Peter Rubtzoff 1951-6-30 310 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC433450  Rumex crispus Alice Eastwood 1915-6-30 4896 Sonoma Bodega Comment
  CAS-BOT-BC166935  Rumex pulcher Peter Rubtzoff 1961-8-22 4689 Sonoma Fife Creek Marsh. Comment
  UC450  Ruppia maritima J. Burtt Davy 1897-9-19 4034 Sonoma Petaluma Comment
  OBI35898  Rytidosperma penicillatum David J. Keil 1983-6-30 17216 Sonoma Stillwater Cove Regional Park Comment
  UC905115  Sagina decumbens subsp. occidentalis Milo S. Baker 1947-4-25 11703 Sonoma e. of football field Santa Rosa Jr. College Comment
  UC465492  Sagina maxima subsp. crassicaulis Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  CAS-BOT-BC445695  Sagittaria cuneata Peter Rubtzoff 1971-8-20 6641 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC445777  Sagittaria latifolia Peter Rubtzoff 1963-10-9 5297 Sonoma Laguna de Santa Rosa east of Graton. 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
  RSA0037214  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh. At south margin of the area. Comment
  CAS-BOT-BC103942  Salix exigua Peter Rubtzoff 1954-7-4 1531 Sonoma Austin Creek Marsh Comment
  CAS-BOT-BC103949  Salix exigua Peter Rubtzoff 1952-6-15 1264 Sonoma Fitch Mtn., near Healdsburg. Bank of Russian River Comment
  RSA534565  Salix exigua Peter Rubtzoff 1957-5-26 3370 Sonoma Vacation Beach. Near Guerneville. Russian River. Comment
  RSA0035349  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  POM220468  Salix laevigata Carleton R. Ball, Harold E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile S of Santa Rosa. Comment
  SEINET10393011  Salix laevigata A. A. Heller 1902-4-22 5346 Sonoma Santa Rosa Creek, near Santa Rosa. Comment
  CAS-BOT-BC128055  Salix lasiandra var. lasiandra Peter Rubtzoff 1962-5-5 4805 Sonoma Fife Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC128066  Salix lasiandra var. lasiandra Alice Eastwood 1915-6-30 4899 Sonoma Bodega Comment
  CAS-BOT-BC128098  Salix lasiandra var. lasiandra A. A. Heller 1902-3-28 5174 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC107090  Salix lasiolepis Mary P. Wells 1987-2-21 857 Sonoma South side of Spring Lake, Santa Rosa Comment
  UC453084  Salix lasiolepis W. A. Setchell 1931-7-25 5 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  UC453105  Salix lasiolepis W. A. Setchell 1931-7-31 20 Sonoma Bodega Bay Comment
  UC482116  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC482118  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC482120  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC66161  Salix lasiolepis A. A. Heller 1902-3-11 5025 Sonoma hills 2 mi e Santa Rosa Comment
  RSA94337  Salix lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma S of the Upper Marsh. Comment
  CAS-BOT-BC107358  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-30 2511 Sonoma below road at Bay, Bodega Bay Comment
  CAS-BOT-BC128314  Salix lasiolepis var. lasiolepis Ida Geary 1979-6-2 s.n. Sonoma Warm Springs Dam Comment
  POM219060  Salix lucida subsp. lasiandra Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 347 Sonoma About 2 km E of Bodega Bay. Comment
  RSA94336  Salix lucida subsp. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  CAS-BOT-BC125699  Salix melanopsis H. E. McMinn 1922-6-7 183 Sonoma Russian River near Guerneville Comment
  RSA534549  Salix melanopsis Peter Rubtzoff 1972-9-8 6883 Sonoma Forest Hills. 5.5 miles E of Guerneville. Russian River margin. Comment
  CAS-BOT-BC126179  Salix scouleriana Peter Rubtzoff; J. E. Eckenwalder 1973-10-3 7332 Sonoma 0.75 mi northwest of Freestone Comment
  CAS-BOT-BC126184  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC126186  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 342 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  CAS-BOT-BC126191  Salix scouleriana W. A. Setchell 1934-7-10 3 a Sonoma Coast Highway, north of Fort Ross Comment
  LA208907  Salix scouleriana W. A. Setchell; 1934-7-10 6 Sonoma Coast Hwy, N of Fort Ross Comment
  SD882  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 343 Sonoma Two km east of Occidental, on Occidental Grade Comment
  SJSU234  Salix scouleriana Baker, Ball, Bracelin & Crum 1931-5-9 343 Sonoma 2 km E of Occidenta on Occidental Grade Comment
  UC437360  Salix scouleriana W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  UC482055  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 342 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  LA208908  Salix scouleriana Milo S. Baker; March 1933 7565 Sonoma at foot of O'Farrel Hill on Bodega Hwy Comment
  CAS-BOT-BC128909  Salix sitchensis Mary P. Wells 1981-4-19 s.n. Sonoma East of Coast Highway, part way up Moonraker Rd., The Sea Ranch Comment
  RSA304941  Salix sitchensis James R. Shevock 1971-1-30 625 Sonoma Along Russian River. 12 Comment
  SBBG57991  Salix sitchensis C. R. Ball, H. P. Bracelin, H. E. Parks, S. Parks 1931-4-21 36 Sonoma Maacama Crk, 25 km NW of Calistoga Comment
  UC1173579  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  UC482060  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 348 Sonoma 2 km. e. Bodega Bay (on Santa rosa-Bodega Hwy., Larkspur Rock) Comment
  RSA0038341  Salix sitchensis Carleton R. Ball, H. P. Bracelin, H. E. Parks, S. T. Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga. Comment
  CAS-BOT-BC376260  Salpichroa origanifolia Greg de Nevers 1991-5-14 9749 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Ward House 475 Comment
  CAS-BOT-BC176848  Salsola australis Mary P. Wells 1992-11-16 1075 Sonoma Sixth Street where Adams Street ends, Santa Rosa Comment
  OBI48690  Salvia sonomensis Michener & Bioletti, Bioletti June1893 s.n. Sonoma Hoods Peak Comment
  SEINET8018692  Salvia sonomensis W. Roderick 1967-4-28 s.n. Sonoma Cavedale Road, N of Sonoma. 457 Comment
  POM133574  Sanicula bipinnatifida A. A. Heller, H. E. Brown 1902-3-14 5066 Sonoma Near Windsor Comment
  UC1541382  Sanicula crassicaulis H. E. and S. T. Parks 1930-5-9 615 Sonoma in Alexander Valley Alexander Valley Comment
  UCD127985  Sanicula crassicaulis Caitlin Lewis; William Mutch 1993-4-17 s.n. Sonoma about 40 air miles N of San francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. In Adobe Canyon, N of Sugarloaf Ridge and S of Red Mtn. 1 mile.Near visitor center along Sonoma Creek. 365 Comment
  CDA10850  Sanicula laciniata G. F. Hrusa, G. L. Stebbins 1994-4-8 11726 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  CAS-BOT-BC251238  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UC11769  Saxifraga californica F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  UC635130  Saxifraga integrifolia H. L. Mason 1931-3-7 5808 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  CAS-BOT-BC441178  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  POM117235  Saxifraga mertensiana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC11812  Saxifraga mertensiana J. Burtt Davy 1896-3-14 1667 Sonoma Austin Creek Comment
  RSA178009  Scandix pecten-veneris R. F. Thorne 1965-4-19 34262 Sonoma Cotati, Waters Ranch 30 Comment
  CAS-BOT-BC283145  Schedonorus arundinaceus Mary P. Wells 1984-5-7 259 Sonoma By guest parking lot, Friends House, Rincon Valley, Santa Rosa Comment
  UCD161272  Schoenoplectus acutus var. occidentalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3686 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC111532  Schoenoplectus americanus Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7803 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC111630  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4580 Sonoma Bodega Harbor Marsh; saline part. Comment
  RSA0019148  Schoenoplectus maritimus Peter Rubtzoff 1954-7-26 1557 Sonoma Lower Salmon Creek Marsh. 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
  SEINET11750297  Schoenoplectus tabernaemontani W. Knight, Knight, I. 1984-1 5427 Sonoma Willow Cr. Road 61 Comment
  RSA122656B  Scirpus microcarpus H. S. Yates 1936-5-16 5613 Sonoma 1 mile NW of Mountain View School. 91 Comment
  CAS-BOT-BC111110  Scirpus microcarpus Gregory Clark de Nevers 1981-6-20 1627 Sonoma In Mark West Creek, Pepperwood Ranch. Comment
  SEINET4178877 Image available Scirpus pungens Unknown 1965-5-1 6 -Aug Sonoma Marine Biological Station, Bodega Head Comment
  SEINET12058070  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -005 Sonoma 6 mi W of junction of Willow Creek Rd & Coleman Valley Rd on former, along Willow Creek 40 Comment
  UC1023610  Scribneria bolanderi Virginia Bufford 1935-4-14 438 Sonoma Occidental, Blundin's Pasture Occidental; , Blundin's Pasture Comment
  UCD92507  Scribneria bolanderi Beecher Crampton 1959-6-16 5384 Sonoma 1 mile east of Occidental. Comment
  UCD160751  Scrophularia californica James A. Neilson Jr. 1975-5-23 3208 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC376321  Scutellaria tuberosa Greg de Nevers 1993-4-27 10411 B Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  RSA177925  Scutellaria tuberosa Robert F. Thorne 1965-4-20 34373 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  CAS-BOT-BC361395  Sedum spathulifolium Greg de Nevers 1993-5-17 10453 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  UCD151102  Sedum spathulifolium James A. Neilson Jr. 1973-6-3 2946 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC62198  Selaginella wallacei J. Clausen 1935-5-24 1080 Sonoma Adobe Canyon along Sonoma Creek Comment
  JEPS19295  Selaginella wallacei C. F. Baker 1903-4-20 2746 Sonoma Napa-Sonoma-Lake Co. line Mt. St. Helena; inner N. Coast Ranges Comment
  UC727695  Senecio flaccidus var. douglasii Milo S. Baker 1946-6-17 11504 Sonoma Russian River Hiway about 5 mi n Cloverdale Comment
  CAS-BOT-BC327426  Senecio flaccidus var. douglasii Volney Rattan 1887-7-25 s.n. Sonoma Valley Springs Comment
  UCD148329  Senecio glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  CAS-BOT-BC173674  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma Laguna Lake in Chilano Valley. Comment
  UCD148418  Senecio hydrophilus Peter Rubtzoff 1959-8-2 4208 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC80321  Sequoia sempervirens John Thomas Howell 1924-3-22 285 Sonoma Near Camp Meeker Comment
  CAS-BOT-BC80324  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Near Santa Rosa Comment
  UC403025  Sequoia sempervirens J. Burtt Davy 1896-8-1 Sonoma Bohemian Camp Guerneville Comment
  CAS-BOT-BC240278  Setaria viridis G. DeNevers 1981-6-20 1620 Sonoma Pepperwood Ranch. In Mark West Creek Comment
  CAS-BOT-BC540823  Sidalcea Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC187885  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1936-7-26 s.n. Sonoma Pitkin Marsh, near Sebastopol Comment
  UCD116783  Sidalcea malviflora Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 054 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CHSC3190  Sidalcea malviflora subsp. laciniata Dona Kingsford 1966-4-6 Sonoma 2.5 miles E of Bodega Bay on Tomales- Valley Ford Road. Comment
  UC73426  Sidalcea malviflora subsp. laciniata Miss M. Alice King April, 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UC18909  Sidalcea malviflora subsp. malviflora Harley P. Chandler 1900-5-25 713 Sonoma Bodega Bay Comment
  JEPS21824  Sidalcea malviflora subsp. purpurea Gayle Westigard 1958-5-9 71 Sonoma on the coast near sea level Plantion (Plantation) 0 Comment
  UC1013006  Sidalcea malviflora subsp. purpurea C. L. Hitchcock 1952-6-4 19584 Sonoma one mi n Ft. Ross; n of Ft. Ross Comment
  CAS-BOT-BC213165  Sidalcea oregana subsp. valida Peter Rubtzoff 1973-9-9 7312 Sonoma Kenwood Marsh Comment
  JEPS97939  Sidalcea oregana subsp. valida Jack and Betty Guggolz 1998-8-13 1581 Sonoma Knights Valley, W end; Bavarian Lion Ranch 122 Comment
  RSA0020348  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 mi west of its junction with Franz Valley Road. Comment
  UC640594  Silene californica Edward Lee 1936-6-8 2209 Sonoma North Ridge Fire Trail North Coast Range, Bohemian Grove (Monte Rio) (Bohemian Grove (Monte Rio)) Comment
  CAS-BOT-BC392491  Silene gallica John H. Thomas 1976-6-16 18229 A Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD98687  Silene gallica Helen K. Sharsmith 1963-5-25 5478 Sonoma on road from Freestone to Occidental. 121 Comment
  CAS-BOT-BC389228  Silene laciniata subsp. californica Volney Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  SBBG71623  Silene laciniata subsp. californica L. Rowntree 1931-7-15 Sonoma Stewart Point to Skaggs Springs Comment
  CAS-BOT-BC389884  Silene scouleri subsp. scouleri Alice Eastwood 1899-6-1 s.n. Sonoma Bodega Point Comment
  SD38223  Silybum marianum Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay Comment
  SEINET11807289  Silybum marianum F. H. Utech 1986-1 86 -127 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  UCD135839  Silybum marianum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 049 -A Sonoma near unused barn by Sea Ranch Lodge. Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS53886  Sisymbrium altissimum R. Kuhn 1914-6-1 Sonoma Sonoma Comment
  UC1032511  Sisyrinchium bellum E. Armstrong 1934-3-26 940 Sonoma 3 mi nw of Camp Meeker 91 Comment
  HSC13909  Sisyrinchium bellum S. N. Wiermeyer 1962-4-20 22 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  SEINET12049793  Sisyrinchium bellum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -170 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 450 Comment
  SEINET7040133  Sisyrinchium bellum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  SEINET3887843  Smilacina racemosa James Faro 1962-4-20 24 Sonoma About 5 miles North of Geurneville on the Old Cazadero Rd.; 0 Comment
  UC429242  Smilacina racemosa H. P. Chandler 1907-4-21 7529 Sonoma road fr. Glen Ellen to Oakville Comment
  CDA28745  Smilacina stellata S. Blank, P. Kerr 2007-4-3 s.n. Sonoma North Coast Ranges; Annadel State Park. Hunter Spring. Comment
  CAS-BOT-BC166692  Solanum Peter Rubtzoff 1974-9-7 7888 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. at creek crossing. Comment
  RSA0030765  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  RSA227217  Solanum americanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  SEINET6035513  Solanum furcatum Unknown 1958-8-17 3889 Sonoma Laguna de Santa Rosa. Northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC157977  Solanum lycopersicum Peter Rubtzoff 1958-8-9 3838 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) Comment
  RSA227216  Solanum umbelliferum Peter Rubtzoff 1960-5-16 4358 Sonoma Duncans mills marsh. m thickets along streamlet in upper portion of the marsh. Comment
  CAS-BOT-BC157536  Solanum umbelliferum P. Rubtzoff 1952-6-9 1195 Sonoma Resort at east slope of Fitch Mtn., nr. Healdsburg Comment
  CAS-BOT-BC365583  Solidago elongata Peter Rubtzoff 1951-9-2 716 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  CAS-BOT-BC365656  Solidago spathulata Roxana S. Ferris 1937-8-19 9378 Sonoma 1.5 miles north of Fort Ross on State Highway #1 Comment
  SD38302  Solidago velutina subsp. californica Edith A. Purer 1932-7-21 Sonoma Bodega Bay Comment
  UCR255522  Solidago velutina subsp. californica Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles NE of Freestone 58 Comment
  CAS-BOT-BC173700  Soliva sessilis Peter Rubtzoff 1960-5-18 4373 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC365963  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54672 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC374528  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  UCD133996  Sonchus asper subsp. asper Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1772 Sonoma Sugarloaf Ridge State ParkAbout 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge along the S edge of Sonoma Creek at the parking lot/trail head of Goodspeed Trail. 198 Comment
  CAS-BOT-BC374743  Sonchus oleraceus Mary P. Wells 1985-9-9 614 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  RSA121037  Sparganium erectum subsp. stoloniferum J. T. Howell 1955-8-6 30891 Sonoma 1 mile southeast of Bloomfield on road to Two Rock. Comment
  CDA37709  Spartium junceum Breckenridge/Filippini 2007-4-15 s.n. Sonoma Healdsburg, on Highway 101. 0 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-BC390050  Spergula arvensis Mary P. Wells 1984-5-9 266 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CHSC12161  Spergula arvensis subsp. arvensis J. Grove 1973-4-15 80 Sonoma Collected 5.5 mi nw of Petaluma. 38 Comment
  UC972189  Spergula arvensis subsp. arvensis Milo S. Baker 1952-4-23 12404 Sonoma western outskirts Sonoma (e. side of 5th. St. between Bettencourt & McArthur) Comment
  UCD99214  Spergularia macrotheca Mary M. Hektner; Cathy Hendel 1974-7-25 176 Sonoma at west end of Fish Rock Road; Unit 35-A Owners' Map, Sea Ranch, near Highway 1. Comment
  CAS-BOT-BC390516  Spergularia macrotheca var. macrotheca Alice Eastwood 1915-6-29 4796 Sonoma Bodega Point Comment
  CAS-BOT-BC390727  Spergularia rubra Alice Eastwood; John Thomas Howell 1936-5-19 2497 Sonoma Santa Rosa Comment
  RSA518741  Spergularia rubra Barbara Ertter 1988-11-5 8027 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  UCR254753  Spiranthes porrifolia Peter Rubtzoff 1969-6-27 6103 Sonoma 6.5 miles NE of Penngrove on Lichau Road 427 Comment
  CAS-BOT-BC502056  Stachys Peter Rubtzoff 1965-10-10 5658 Sonoma Bodega Head Marsh Comment
  UC1041056  Stachys ajugoides var. ajugoides J. W. Congdon 1880-7-25 Sonoma Petaluma Comment
  UCD126062  Stachys rigida var. quercetorum Terri Williamson 1990-5-20 55 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  POM118621  Stellaria media Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  HSC4280  Stellaria media S. N. Wiemeyer 1962-4-20 17 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC371379  Stellaria nitens Greg de Nevers 1998-5-5 11236 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC405135  Stellaria nitens Greg de Nevers 1993-3-24 10333 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Weimar Canyon. 304 Comment
  UC1299292  Stephanomeria elata Freed W. Hoffman 1946-9-26 579 Sonoma road to Layton Mine, Austin Creek North Coast Ranges, Austin Creek Comment
  RSA339382  Streptanthus barbiger Roger Raiche 1984-6-10 40212 Sonoma 8.6 miles west on Hot Springs Road from its origin at US Hwy 101 near Cloverdale, across Dry Creek 198 Comment
  UCD167315  Streptanthus brachiatus James Neilson 1977-6-7 3907 Sonoma Mayacmas Mountains, Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET10947471 Image available Streptanthus glandulosus Fred W. Hoffman 1948-7-9 Hoffman 2311 Sonoma Serpentine soil 6.9 miles north of California-Oregon line on Happy Camp-O'Brien road, Josephine County Comment
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May 8 2018
  UC1292660  Streptanthus glandulosus subsp. secundus A. R. Kruckeberg 1947-5-3 1436 Sonoma along Hwy 28 between milepost A-1140 and milepost A-1150 (about 3/4 mi w of Maacamas Creek crossing, hwy from Calistoga to Healdsburg, w end of valley); Knight's Valley Comment
  UC985954  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-5-29 2787 Sonoma somewhat e of first <b>end in road after crossing stream on way n from Jenner North Coast Ranges, Russian Gulch 15 Comment
  CAS-BOT-BC87294  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1134 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  UCD168052  Streptanthus morrisonii James Neilson 1981-5-15 4031 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  CAS-BOT-BC245858  Symphoricarpos Peter Rubtzoff 1974-6-2 7530 Sonoma Upper Green Valley Marsh Comment
  RSA799981  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma On River Road, 3 mi west of Fulton. Comment
  CAS-BOT-BC540841  Symphoricarpos Peter Rubtzoff 1973-9-9 7308 Sonoma Kenwood Marsh Comment
  UCD137411  Symphoricarpos albus var. laevigatus Frederica Bowcutt; Jeff Kennedy , Jolie Henricks 1994-5-1 1763 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  UCR254879  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCD136523  Symphyotrichum chilense Mary M. Hektner; Cathy Hendel 1974-7-20 155 Sonoma roadside at junction of Whalebone Reach and State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  CAS-BOT-BC98565  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
  CDA10942  Synthyris cordata G. F. Hrusa, G. L. Stebbins 1994-3-28 11700 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. Adjacent to East Austin Cr. Rd. on E side of Creek. 0 Comment
  CAS-BOT-BC221967  Taeniatherum caput-medusae G. DeNevers 1981-5-15 1204 Sonoma Pepperwood Ranch. Hansel's Lake Comment
  CAS-BOT-BC157679  Taraxacum Peter Rubtzoff 1974-4-17 7367 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC251249  Taraxia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma Vernal Pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  HSC97789  Taxus brevifolia var. polychaeta Richard Spjut, Rick Spjut 2006-8-8 16021 Sonoma Near Mendocino Co. line, 7 km E of Stewarts Point, N of Gualala River and S of Fuller Mtn., W side of Annapolis-Gualala River Rd. 200 Comment
  POM20388  Thermopsis californica var. californica A. A. Heller, H. E. Brown, A. H. Heller 1902-4-22 7123 Sonoma Bet Santa Rosa and Agua Caliente Comment
  UCD108601  Thermopsis californica var. californica Botany 102 Students 1993-4-24 102 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 1.3 air miles SE of Red Mtn, just SE of Sonoma Creek along Hillslide Trail at intersection with Brushy Peaks and Meadow Trails. 396 Comment
  UC1611636  Thermopsis macrophylla var. macrophylla R. Spellenberg, N. Zucker 1994-6-9 12070 Sonoma 7 air mi se of Stewart's Point (2.3 mi s of Skagg's Springs on road to Plantation) Comment
  CAS-BOT-BC66818  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-3-21 5114 Sonoma Hills southeast of Santa Rosa. Comment
  CAS-BOT-BC66823  Thysanocarpus curvipes John H. Thomas 1969-4-28 14924 Sonoma About 3.6 miles north of Monte Rio. Comment
  RSA122895  Thysanocarpus curvipes var. curvipes E. Armstrong 1934-3-26 920 Sonoma 2 miles W of Camp Meeker. 122 Comment
  RSA0041614  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-4 1099 Sonoma Santa Rosa Creek Canyon. 225 Comment
  RSA0049967  Thysanocarpus radians 1931-4-2 6041 Sonoma Boyes Springs. Comment
  UC496421  Tiarella trifoliata var. unifoliata Merle Randall 1930-6-11 Sonoma Cazadero Comment
  CAS-BOT-BC368089  Tolpis barbata Greg de Nevers 1998-5-2 11223 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Northwest of High Hill, southwest of big bay 400 Comment
  RSA523395  Tonella tenella Harry K. Roberts 1968-4-6 s.n. Sonoma North side of Mt Jackson, 1.5 airline miles NNE of Rio Nido, on road to lookout, ca 1 mile NE of Sonoma Mercury Mine. 320 Comment
  SD130530  Tonella tenella F. Almeda, G. DeNevers 1981-3-30 4894 Sonoma Streambank in vicinity of the Redwood Canyon, Pepperwood Ranch Comment
  UCR256117  Torilis arvensis Greg de Nevers 1996-6-3 10825 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC81458  Torreya californica D. E. Breedlove 1983-4-11 58694 Sonoma Pepperwood Ranch W of Knights Valley Comment
  HSC101444  Torreya californica Richard Spjut, Peter Baye 2010-6-21 16713 Sonoma Fuller Creek near jct. with High-Low Rd. and South Brach Rd., east of Annapolis Rd 91 Comment
  CAS-BOT-BC157684  Tragopogon Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7807 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC377110  Tragopogon porrifolius G. DeNevers 1981-5-20 1220 Sonoma Pepperwood Ranch. At the Golden Gate Bus Station on Piner Road Comment
  CAS-BOT-BC519551  Triantha occidentalis subsp. occidentalis Peter Rubtzoff 1951-7-28 566 Sonoma Sonoma Comment
  CAS-BOT-BC257362  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9116 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS25828  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma N and E of Occidental (Harrison Grade summit) Comment
  JEPS46206  Trientalis latifolia Eleanor Armstrong 1932-5-1 495 Sonoma near Camp [Nielson] 121 Comment
  UCD167412  Trifolium James Neilson 1978-5-3 3960 Sonoma Mayacmas Mountains, Pine Flat. Serpentine ridge north of Red Hill. (Neilson 3959 collected on the same date indicates that this specimen was located near Red Hill and Pine Flat, although his field notebook says Red Mtn. and Pine Mtn. in error. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCSC010632  Trifolium R. Morgan 2014-5-12 5637 a Sonoma Bodega Head Comment
  JEPS117086  Trifolium albopurpureum Peter Warner 2010-4-15 131 Sonoma Jenner Headlands, Sonoma Land Trust property, approx. 250 m E of primary access road (Willig Ave. extension), approx. 0.8 km N of Jenner village, in ultramafic grassland, near power line overhead. Comment
  SEINET7096777  Trifolium albopurpureum var. dichotomum 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
  UCD107142  Trifolium amoenum Enoch Torpen 1940-1 s.n. Sonoma Valley Ford area. Comment
  UCSC008686  Trifolium amoenum Randall Morgan 2014-1 Sonoma Comment
  JEPS65920  Trifolium barbigerum var. andrewsii V. Blackney April 1929 Sonoma betw Trenton and Mark West Mt. Oliver School; Santa Rosa Comment
  UCD151095  Trifolium bifidum var. decipiens James A. Neilson Jr. 1973-6-3 2989 Sonoma Mayacmas Mountains. The Geysers. Site I. In Geyser Canyon. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  POM21441  Trifolium bifidum var. decipiens A. A. Heller, H. E. Brown, A. H. Heller 1902-4-15 7339 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
  SEINET10895527  Trifolium depauperatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  UC16467  Trifolium depauperatum var. depauperatum Michener and Bioletti 1892-5-1 Sonoma Schellville Comment
  UCD108381  Trifolium depauperatum var. depauperatum Christine Lee 1993-4-24 91 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
  UCSC000424  Trifolium dichotomum Charisse Bickford 1979-4-20 s.n. Sonoma Cloverdale Comment
  UCD108821  Trifolium dubium Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 106 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  CAS-BOT-BC361293  Trifolium fragiferum Greg de Nevers 1993-8-21 10490 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UCD109129  Trifolium grayi Beecher Crampton 1955-4-5 2401 Sonoma 2 miles W of Fulton, Woolsey Road. Comment
  UCD143708  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 miles west of Fulton, along Woolsey 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
  SEINET6935123  Trifolium macraei W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Cove at Bodega Head. Comment
  JEPS128265  Trifolium microcephalum Roger Raiche 2000-4-8 031 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC361358  Trifolium microcephalum Greg de Nevers 1997-4-16 10939 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UCD151178  Trifolium microdon James A. Neilson Jr. 1974-4-16 2843 Sonoma Mayacmas Mountains. The Geysers. Near sulphur bank number 13, geothermal wells 1 and 3. (Elevation estimated using Google Earth by label maker.) 487 Comment
  UCD161295  Trifolium microdon James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3689 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UCD33225  Trifolium microdon Beecher Crampton 1967-5-15 7926 Sonoma Sonoma County, Lytton. Comment
  JEPS85900  Trifolium obtusiflorum Jack and Betty Guggolz 1991-7-29 1218 Sonoma 2 mi n Camp Meeker (Upper Duvoul Creek) 121 Comment
  OBI70565  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd 518 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
  UCR255722  Trifolium striatum Greg de Nevers 1998-5-12 11245 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD109400  Trifolium variegatum Jennifer Bury; Peggy Herzog 1993-5-8 277 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  JEPS66095  Trifolium variegatum var. melananthum F. T. Bioletti 1893-5-26 Sonoma South Los Guilicos Comment
  UCD109525  Trifolium willdenovii P. G. Connors 1992-5-8 249 Sonoma Bodega Head and Dunes. Comment
  HSC15175  Trifolium willdenovii S. N. Wiemeyer 1962-4-13 13 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  OBI78224  Trifolium wormskioldii Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  SEINET5869493 Image available Triglochin maritima L. S. Rose 1964-1 64055 Sonoma N end of Bodega Bay Comment
  SEINET12049780  Trillium albidum F. H. Utech 1986-1 86 -124 Sonoma ca 3 mi SW on Sonoma Mt. Rd from junction with CA 12, near Jack London Historical Park 200 Comment
  UCD151245  Trillium chloropetalum James A. Neilson Jr. 1974-4-24 2729 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 883 Comment
  SEINET3991692  Trillium ovatum Unknown 1951-3-24 Sonoma Duncan Mills Comment
  CAS-BOT-BC521307  Trillium rivale Volney Rattan 1903-1-1 1877 Sonoma Guerville Comment
  CHSC57521  Triphysaria eriantha subsp. rosea John Hale 1990-4-10 18 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UC1334890  Triphysaria eriantha subsp. rosea L. D. Thurman 1965-5-3 668 Sonoma Horseshoe cove on Bodega Head; Horseshoe cove n Bodega Head Comment
  SD114394  Triphysaria versicolor Darley F. Howe 1963-7-3 3583 Sonoma 20 miles north of junction with #12 on #1 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
  UC886476  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1938-5-14 15090 Sonoma just e Bodega Comment
  UC1745768  Triphysaria versicolor subsp. versicolor Annetta M. Carter 1934-4-29 512 Sonoma 1 mile W of Two Rock junction on road to Tomales. Comment
  UC726290  Triphysaria versicolor subsp. versicolor A. A. Heller 1930-5-14 15083 Sonoma back of the bluff Bodega Bay (along the roadside near the town of Bay); back of bluff n of Bodega Bay Comment
  RSA129122  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 1 mile NE of Mountain View School. 91 Comment
  UC1222814  Triteleia hyacinthina Joseph P. Tracy 1950-5-24 18686 Sonoma where the Knight's Valley Road enters Alexander Valley and leaves Mayacamas Creek; , Alexander Valley Comment
  JEPS27969  Triteleia laxa Rimo Bacigalupi, and L. Heckard 1961-6-9 7739 Sonoma 1.75 mi sw Occidental (at the junction of Joy Road and Bittner Road) 249 Comment
  UC72474  Triteleia laxa Milo S. Baker 1904-6-19 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC527037  Triteleia laxa D. E. Breedlove 1962-6-6 2897 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC200492  Triticum aestivum David L. Morgan 1956-5-18 s.n. Sonoma On State Hiway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  RSA94265  Typha latifolia Peter Rubtzoff 1951-8-4 572 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC208028  Ulex europaeus Walter Knight; Irja Knight 1963-12-28 483 Sonoma Valley Ford-Bodego Bay highway Comment
  RSA187426  Ulex europaeus John H. Thomas 1966-3-22 11543 Sonoma In the vicinity of Bodega Comment
  CAS-BOT-BC91286  Umbellularia californica H. L. Mason 1925-11-26 2492 Sonoma Banks of Russian River, Monte Rio. Comment
  CAS-BOT-BC91287  Umbellularia californica Aven Nelson; Ruth A. Nelson 1933-5-14 551 Sonoma Kenwood. (Baker's). Comment
  UC1084350  Umbellularia californica G. Thomas Robbins 1937-3-25 5 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  UCD67497  Umbellularia californica D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. Quercus wislizenii and Quercus kelloggii woodland; northern slopes. 430 Comment
  SEINET5339110  Umbellularia californica L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa. Comment
  CAS-BOT-BC382822  Uropappus lindleyi D. E. Breedlove 1983-5-4 58699 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC403978  Urtica dioica subsp. gracilis Peter Rubtzoff 1957-6-28 3393 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC403985  Urtica dioica subsp. gracilis Peter Rubtzoff 1960-5-18 4382 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC404232  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-6-24 5386 Sonoma Coleman Marsh Comment
  UC848754  Urtica urens Leo Koch 1939-4-23 590 Sonoma in Game Refuge off Petaluma Hill Road (North Bay); , Game Refuge Comment
  CAS-BOT-BC193382  Vaccinium ovatum Mary P. Wells 1985-10-4 680 Sonoma New road to semi-pygmy forest south of Gualala River Comment
  CAS-BOT-BC76163  Vancouveria planipetala J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville. Comment
  JEPS78949  Vancouveria planipetala Edward Lee 1936-6-8 2218 Sonoma Smith Creek Road Bohemian Grove Comment
  UC1126304  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mi nw Mountain View School; Sebastopol Quad., nw of Mountain View School Comment
  CAS-BOT-BC135763  Veratrum fimbriatum Alice S. M. McKenzie 1974-10-28 s.n. Sonoma Salt Point State Park - Coast between Russian and Gualala Rivers Comment
  JEPS11193  Verbascum blattaria M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 244 Sonoma near Guerneville Comment
  CDA16121  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 a Sonoma North Coast Biodiversity Arena; along now dry Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Comment
  UCD158729  Verbascum virgatum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  UCR244670  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC176391  Veronica americana Peter Rubtzoff 1954-6-6 1461 Sonoma Guerneville Marsh. Comment
  JEPS27321  Veronica americana Eleanor Armstrong 1932-5-25 514 Sonoma 5 mi w of Graton (Schlackly Flat); Schlackly Flat 91 Comment
  RSA276858  Veronica anagallis-aquatica Peter Rubtzoff 1968-9-21 5983 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  RSA0021071  Veronica persica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mils east of Guerneville. At 9981 Old River Road. Comment
  JEPS22227  Veronica scutellata Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6362 Sonoma n of Sebastopol (at Pitkin Marsh); Vine Hill region, Pitkin Marsh 60 Comment
  CAS-BOT-BC267248  Viburnum ellipticum Greg de Nevers 1982-5-15 2011 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  JEPS12695  Viburnum ellipticum Miss R. Kuhn May 1914 Sonoma Sonoma Comment
  UC1010375  Viburnum ellipticum Milo S. Baker Apr 1932 5904 Sonoma near beginning Adobe Canyon (Ward Road, opposite M. S. Baker Ranch) Comment
  CAS-BOT-BC540815  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh area. Comment
  POM17347  Vicia gigantea A. A. Heller, H. E. Brown, A. H. Heller 1902-4-11 8210 Sonoma Bodega Bay Comment
  RSA0062828  Vicia lutea Greg de Nevers 1994-5-21 10524 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. Between Mountain House and Al Cueno's. 100 Comment
  UCD108794  Vicia lutea Frederica Bowcutt 1994-6-12 1849 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Rd. Trail head for Pony Gate Trail near kiosk and visitor center. 411 Comment
  UCD108964  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-5-25 5490 Sonoma Coleman Valley road east of Occidental. 304 Comment
  CAS-BOT-BC270248  Viola adunca Peter Rubtzoff 1977-11-26 9147 Sonoma On E side of Highway 1 ca 1.5 miles NW of junction of the road to Fort Ross State Historic Park Comment
  UC1763296  Viola douglasii Milo S. Baker May 1906 5518 Sonoma near Melita (Santa Rosa Golf Links, Peach Flat) Comment
  CAS-BOT-BC536908  Viola glabella Peter Rubtzoff 1958-5-30 3682 Sonoma Sonoma County Marshes: Duncans Mills Marsh at the border of the upper part of the Marsh Comment
  UCD110882  Viola glabella R. H. Miller 1949-4-6 26 Sonoma Beside Highway 12, 5 miles SE of Monte Rio. Comment
  UC1761451  Viola lobata Milo S. Baker 1926-5-31 164 -1926 Sonoma Triniti road, 1 mi up Comment
  UCD110890  Viola lobata A. A. Beetle 1939-4-12 1775 Sonoma Mt. St. Helena. Comment
  UC1121589  Viola ocellata E. Armstrong 1934-4-15 1208 Sonoma 4 mi se of Occidental 152 Comment
  UC1762265  Viola ocellata Leo Koch 1939-4-8 497 Sonoma Boxman Ranch near Plantation Comment
  POM161242  Viola ocellata R. C. Bacigalupi 1926-5-2 1365 Sonoma Cazadero. Comment
  SEINET4926724  Viola sempervirens Unknown 1994-4-3 76 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  CDA10943  Viola sempervirens G. F. Hrusa, G. L. Stebbins 1994-3-28 11701 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. N of Duncan's Mills on D.M. Cazadero Rd. Adjacent to East Austin Cr. Rd. on E side of Creek. Comment
  UC1742250  Viola septentrionalis Milo S. Baker 1944-5-2 Sonoma Brookside Garden Comment
  CDA2765  Viscum album S. Rose 1966-1-2 1090 Sonoma About 1 mile from Sebastopol on Gravenstein Highway North. 0 Comment
  SBBG40537  Viscum album L. S. Rose 1966-5-8 Sonoma ca. 1 mi from Sebastopol on Gravenstein Hwy N Comment
  SEINET12230244  Viscum album W. O. McCartney 1966-1 s.n. Sonoma NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  UCR159966  Viscum album subsp. album C. W. Nichols, William McCartney 1966-1-17 s.n. Sonoma Backyard of property at 1220 Gravenstein Hwy N at Mills Station Rd, 1 mi N of Sebastopol 55 Comment
  CAS-BOT-BC203126  Vitis californica Peter Rubtzoff 1960-5-29 4423 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  OBI2920  Vitis californica Lewis S. Rose 1968-6-25 68115 Sonoma Rincon Ridge, NE of Santa Rosas 122 Comment
  UC608469  Vitis californica Beryl O. Schreiber 1934-5-14 1113 Sonoma Fitch Mountain Road Healdsburg Comment
  CAS-BOT-BC203124  Vitis californica Walter Knight; Irja Knight 1963-9-1 134 Sonoma Along 1st stream up from County Dump on Pine Mt Rd NE of Cloverdale Comment
  CAS-BOT-BC203133  Vitis californica James McMurphy 1907-9-27 s.n. Sonoma Mark West Creek Comment
  SEINET10691494  Vitis californica A. Arthur Heller 1902-6-24 Heller 5760 Sonoma Near Burke's Sanitarium. Comment
  UCD58727  Vitis rupestris Eric Wada 2006-9-3 RR 6 Sonoma On SR116 ca. 5mi south of Guerneville 58 Comment
  CAS-BOT-BC199897  Vulpia bromoides Catherine Best 1980-4-29 s.n. Sonoma Westerbecks [Westerbeke] Ranch near El Verano Comment
  HSC9911  Vulpia microstachys Leo Koch 1940-4-22 838 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  UCD93675  Vulpia microstachys August L. Hormay 1932-5-25 s.n. Sonoma Hot Springs. Comment